{"id":788,"date":"2026-06-12T07:31:00","date_gmt":"2026-06-12T07:31:00","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?post_type=product&p=788"},"modified":"2026-06-12T07:31:00","modified_gmt":"2026-06-12T07:31:00","slug":"ep-tnr-right-angle-flange-helical-planetary-gearbox","status":"publish","type":"product","link":"https:\/\/planetary-gearboxes.com\/ko\/product\/ep-tnr-right-angle-flange-helical-planetary-gearbox\/","title":{"rendered":"EP-TNR Right-Angle Round-Flange Helical Planetary Gearbox"},"content":{"rendered":"
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<\/p>\n

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EP-TNR Series \u2014 Right-Angle Round-Flange Planetary Gearbox | Frames 060\u2013220 mm, i=3\u2013200, up to 2,000 N\u00b7m<\/h2>\n
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\"EP-TNR<\/p>\n

\n
\n
90\u00b0 + Flange<\/div>\n
Right-angle output<\/div>\n<\/div>\n
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\u00d880\u2013292<\/div>\n
Flange diameter mm<\/div>\n<\/div>\n
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i=3\u2013200<\/div>\n
\ube44\uc728 \ubc94\uc704<\/div>\n<\/div>\n
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\u226595%<\/div>\n
L1 efficiency<\/div>\n<\/div>\n<\/div>\n
\u2190 \ubaa8\ub4e0 \uc720\uc131 \uae30\uc5b4\ubc15\uc2a4 \uc2dc\ub9ac\uc988 \ubcf4\uae30<\/a><\/div>\n<\/div>\n
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When a machine design requires the servo motor to exit perpendicular to the load axis \uadf8\ub9ac\uace0<\/em> the load must bolt directly to a large-diameter flange face \u2014 rather than clamp to a shaft \u2014 the EP-TNR is the correct configuration. A robot arm link that bolts to the gearbox output face, a CNC rotary table with a round-bore housing that the gearbox pilot register seats into, a direct-drive indexing head mounting flange: these applications need a bolt circle, not a shaft end, and they need the motor out of the axial envelope. The EP-TNR delivers both requirements in a single sealed unit across six frame sizes from 060 to 220 mm.<\/p>\n

\n
\n
\ud83d\udcd0 30\u201350% Axial Saving<\/div>\n
Motor exits sideways \u2014 total axial depth equals gearbox length alone, not gearbox + motor.<\/div>\n<\/div>\n
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\ud83d\udd29 Direct Flange Mount<\/div>\n
Output bolt circle interfaces directly with robot arm, indexer hub, or CNC table \u2014 no shaft coupling needed.<\/div>\n<\/div>\n
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\u2195 4 \ubaa8\ud130 \ubc29\ud5a5<\/div>\n
Motor input left, right, up, or down \u2014 specify at order. Cannot be changed in the field.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
\"EP-TNR<\/p>\n

EP-TNR Series \u2014 Complete Technical Specifications<\/h2>\n

\u2460 Rated Output Torque & Speed \u2014 All 6 Frames<\/h3>\n

\"EP-TNR<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\ub9e4\uac1c\ubcc0\uc218<\/th>\n\ub2e8\uc704<\/th>\n\ub2e8\uacc4<\/th>\nTNR060<\/th>\nTNR090<\/th>\nTNR115<\/th>\nTNR142<\/th>\nTNR180<\/th>\nTNR220<\/th>\n<\/tr>\n<\/thead>\n
Rated torque T\u2082\u2099<\/td>\n\ub274\uc5e0<\/td>\nL1 (i=3\u201320)<\/td>\n40~60\uc138<\/td>\n130~160<\/td>\n208\u2013330<\/td>\n342\u2013650<\/td>\n588\u20131,200<\/td>\n1,140~2,000<\/td>\n<\/tr>\n
L2 (i=12\u2013200)<\/td>\n40~60\uc138<\/td>\n130~160<\/td>\n208\u2013330<\/td>\n342\u2013650<\/td>\n588\u20131,200<\/td>\n1,140~2,000<\/td>\n<\/tr>\n
Max torque T\u2082max<\/td>\n\ub274\uc5e0<\/td>\nL1\/L2<\/td>\n3 \u00d7 T\u2082\u2099<\/td>\n<\/tr>\n
\uc815\uaca9 \uc785\ub825 \uc18d\ub3c4 n\u2099<\/td>\n\ud68c\uc804\uc218<\/td>\nL1\/L2<\/td>\n5,000<\/td>\n4,000<\/td>\n4,000<\/td>\n3,000<\/td>\n3,000<\/td>\n2,000<\/td>\n<\/tr>\n
\ucd5c\ub300 \uc785\ub825 \uc18d\ub3c4 n\u2081max<\/td>\n\ud68c\uc804\uc218<\/td>\nL1\/L2<\/td>\n10,000<\/td>\n8,000<\/td>\n8,000<\/td>\n6,000<\/td>\n6,000<\/td>\n4,000<\/td>\n<\/tr>\n
Backlash P1 (total at output)<\/td>\n\uc544\ud06c\ubbfc<\/td>\nL1 (i=3\u201320)<\/td>\n\u2264 10 arcmin<\/td>\n<\/tr>\n
\ubc31\ub798\uc2dc P2<\/td>\n\uc544\ud06c\ubbfc<\/td>\nL1 \/ L2<\/td>\n\u2264 12 arcmin (L1) \u00a0\/\u00a0 \u2264 12 arcmin (L2)<\/td>\n<\/tr>\n
\ube44\ud2c0\ub9bc \uac15\uc131<\/td>\nN\u00b7m\/arcmin<\/td>\nL1<\/td>\n7<\/td>\n14<\/td>\n25<\/td>\n50<\/td>\n145<\/td>\n225<\/td>\n<\/tr>\n
\ud5c8\uc6a9 \ubc18\uacbd \ubc29\ud5a5 \ud798 F\uc544\ub974 \uc790\ud615<\/sub> \u00b9<\/td>\nN<\/td>\nL1\/L2<\/td>\n1,530<\/td>\n3,250<\/td>\n6,700<\/td>\n9,400<\/td>\n14,500<\/td>\n50,000<\/td>\n<\/tr>\n
\ud5c8\uc6a9 \ucd95\ub825 F\uc5d0\uc774<\/sub><\/td>\nN<\/td>\nL1\/L2<\/td>\n765<\/td>\n1,625<\/td>\n3,350<\/td>\n4,700<\/td>\n7,250<\/td>\n25,000<\/td>\n<\/tr>\n
\ud6a8\uc728 \u03b7<\/td>\n%<\/td>\nL1 \/ L2<\/td>\n\u2265 95%(L1) \/ \u2265 92%(L2)<\/td>\n<\/tr>\n
\ubb34\uac8c<\/td>\nkg<\/td>\nL1 \/ L2<\/td>\n2.1 \/ 2.5<\/td>\n6.4 \/ 7.8<\/td>\n13 \/ \u2014<\/td>\n24.5 \/ \u2014<\/td>\n51 \/ 54<\/td>\n83 \/ 95<\/td>\n<\/tr>\n
Noise (3,000 rpm, no-load)<\/td>\ndB(A)<\/td>\nL1\/L2<\/td>\n\u226463<\/td>\n\u226465<\/td>\n\u226468<\/td>\n\u226470<\/td>\n\u226472<\/td>\n\u226474<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u00b9 Radial force at shaft centreline (x=L\/2xL). Decreases for off-centre loading \u2014 apply position factor Kb. Combined: Fa \u2264 0.2\u00d7Fr, Fa_max \u2264 0.1\u00d7Fr.<\/p>\n

<\/p>\n

\n
\uc628\ub3c4<\/strong>
\n-10\u00b0C ~ +90\u00b0C<\/div>\n
\ubcf4\ud638<\/strong>
\nIP65 \ud45c\uc900<\/div>\n
\ub9e4\ub044\ub7fd\uac8c \ud558\uae30<\/strong>
\n\ubc00\ubd09 \uadf8\ub9ac\uc2a4 - \ud3c9\uc0dd \ubcf4\uc99d<\/div>\n
\uc11c\ube44\uc2a4 \uc218\uba85<\/strong>
\n20,000\uc2dc\uac04 \uc774\uc0c1 S1<\/div>\n
Motor directions<\/strong>
\nLeft \/ right \/ up \/ down<\/div>\n
\ucd9c\ub825\ucd95 \ud0c0\uc785<\/strong>
\nS1 \ub77c\uc6b4\ub4dc \/ S2 \ud0a4\ub4dc<\/div>\n<\/div>\n

<\/p>\n

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Understanding EP-TNR backlash: why \u226410 arcmin P1 is the correct specification<\/strong><\/p>\n

The EP-TNR backlash of \u226410 arcmin (P1, single-stage) is the combined total at the output flange \u2014 it includes the planetary stage contribution and the spiral bevel stage contribution measured together at the same reference point. The EP-TNF P1 specifies \u22645 arcmin because it has no bevel stage. The difference is the bevel stage’s own angular play \u2014 approximately 4\u20136 arcmin for a precision-ground spiral bevel pair. This is not a quality deficiency; it is the inherent physics of adding a 90\u00b0 direction change. For servo axes where the position feedback encoder is on the motor shaft and the control loop closes at the motor, this 10 arcmin is largely compensated by the servo loop. For axes where the encoder is downstream of the gearbox (linear scale, rotary encoder on the load shaft), the actual uncompensated positioning error is the relevant parameter \u2014 and \u226410 arcmin at the EP-TNR output flange corresponds to \u22640.15 mm linear error at a 100 mm radius, well within the positioning tolerance of most Korean industrial conveyor, packaging, and materials handling applications.<\/p>\n<\/div>\n

<\/p>\n

\u2461 Available Gear Ratios<\/h3>\n
\n\n\n\n\n\n\n
\ub2e8\uacc4<\/th>\n\uc0ac\uc6a9 \uac00\ub2a5\ud55c \ube44\uc728 i<\/th>\n\u03b7<\/th>\n\ud53c1<\/th>\nSuited for<\/th>\n<\/tr>\n<\/thead>\n
L1 \uc2f1\uae00<\/td>\n3 \u00b7 4 \u00b7 5 \u00b7 6 \u00b7 7 \u00b7 8 \u00b7 10 \u00b7 14 \u00b7 20<\/td>\n\u226595%<\/td>\n\u226410\u2032<\/td>\nCNC tool turret, compact conveyor drive, robot joint compact wrap<\/td>\n<\/tr>\n
L2 \ub4c0\uc5bc<\/td>\n12 \u00b7 15 \u00b7 20 \u00b7 25 \u00b7 30 \u00b7 35 \u00b7 40 \u00b7 50 \u00b7 60 \u00b7 70 \u00b7 80 \u00b7 100 \u00b7 120 \u00b7 140 \u00b7 160 \u00b7 200<\/td>\n\u226592%<\/td>\n\u226412\u2032<\/td>\nDeep-ratio inertia matching, ultra-slow slew drives, screw conveyor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

<\/p>\n

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The Installation Geometry Problem \u2014 Why Round Flange and 90\u00b0 Must Coexist<\/h2>\n
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Three gearbox configurations are available in this product family. Each solves a different spatial constraint. Understanding why a machine designer reaches for EP-TNR rather than EP-TNF or EP-TMR requires understanding the exact geometric conflict each configuration resolves.<\/p>\n

<\/p>\n

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OUTPUT INTERFACE \u00d7 MOTOR DIRECTION \u2014 THREE CONFIGURATIONS<\/p>\n

\n
EP-TNF<\/span>
\n[ Motor ]\u2500\u2500\u25b6[ Planetary ]\u2500\u2500\u25b6( Round Flange )<\/span>
\nMotor inline \u00b7 shaft + flange same axis<\/span><\/div>\n
EP-TMR<\/span>
\n \u2193Motor
\n[ Planetary + Bevel ]\u2500\u2500\u25b6 Round shaft<\/span><\/div>\n
EP-TNR\u2605<\/span>
\n \u2193Motor
\n[ Planetary + Bevel ]\u2500\u2500\u25b6( Round Flange )<\/span>
\nMotor perpendicular \u00b7 flange output<\/span><\/div>\n<\/div>\n<\/div>\n
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When axial depth behind the output is limited AND the load bolts to a flange face<\/strong><\/p>\n

This is the EP-TNR use case. A CNC 5-axis machine column with limited depth behind the B-axis rotary table cannot accommodate an EP-TNF with the motor behind it \u2014 the motor extends the assembly beyond the column’s structural envelope. The EP-TMR saves axial depth but outputs through a shaft, requiring an additional coupling between the shaft and the rotary table hub. The EP-TNR seats its pilot register directly into the table housing bore, the bolt circle secures the table hub to the flange face, and the motor exits laterally within the column width. No coupling, no depth overrun.<\/p>\n<\/div>\n

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When a robot wrist joint requires both compact depth and structural flange interface<\/strong><\/p>\n

Collaborative robot J4\u2013J6 wrist joints operate in a constrained outer diameter set by the arm cross-section. An EP-TNF at the wrist extends the arm’s effective length rearward by the motor body length, reducing the robot’s reach-to-depth ratio. Mounting the motor on the EP-TNR perpendicular to the wrist axis keeps the arm length governed by the gearbox body, while the round flange output matches the ISO 9409-1 robot wrist flange interface standard directly \u2014 allowing the end-effector tool flange to bolt to the gearbox output flange without any intermediate adapter ring.<\/p>\n<\/div>\n

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When a conveyor or transfer machine side drive must clear the product path above<\/strong><\/p>\n

Korean food processing and pharmaceutical conveyor systems often require the gearbox to mount on the conveyor side frame with the output axis horizontal and the motor exiting downward or sideways \u2014 keeping the conveyor top surface clear for product flow. An inline motor + gearbox combination protrudes rearward along the travel direction, creating an obstacle at line intersections and transfer points. EP-TNR mounts flush to the side frame with the flange face coupling directly to the conveyor head drum shaft flange, and the motor drops clear of the product path.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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<\/p>\n

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AXIAL DEPTH SAVING \u2014 TNR vs TNF+MOTOR<\/p>\n

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TNF090 + 1kW motor:<\/div>\n
147 mm + ~140 mm = 287 mm<\/div>\n
TNR090 (motor exits sideways):<\/div>\n
209 mm total axial depth \u2713<\/div>\n
Saving: ~78 mm (27%)<\/div>\n<\/div>\n
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OUTPUT FLANGE \u00d8 BY FRAME<\/p>\n

TNR060 \u2192 \u00d880 mm
\nTNR090 \u2192 \u00d8116 mm
\nTNR115 \u2192 \u00d8152 mm
\nTNR142 \u2192 \u00d8186 mm
\nTNR180 \u2192 \u00d8240 mm
\nTNR220 \u2192 \u00d8292 mm<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

<\/section>\n

 <\/p>\n

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Installation Guide \u2014 EP-TNR Right-Angle Flange Series<\/h2>\n
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1<\/div>\n

Confirm Input Direction Before Ordering<\/strong><\/p>\n<\/div>\n

The motor input direction \u2014 left, right, up, or down relative to the output flange face \u2014 is set at manufacture by the bevel stage orientation. It cannot be changed after delivery. Before placing an order, confirm the required motor exit direction against the machine layout drawing, including cable routing space. The model code must specify the input direction explicitly.<\/p>\n<\/div>\n

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\n
2<\/div>\n

Flange Face Registration \u2014 Pilot Register Fit<\/strong><\/p>\n<\/div>\n

The EP-TNR pilot register (the stepped diameter that centres the gearbox in the machine housing bore) is machined to h6 tolerance. The mating machine bore should be H7. Clean both surfaces, align pilot register to bore without forcing, and lower the gearbox squarely. Forcing a misaligned pilot into the bore damages the register concentricity and introduces runout that cannot be corrected by tightening the mounting bolts.<\/p>\n<\/div>\n

\n
\n
3<\/div>\n

Flange Bolt Pattern \u2014 Torque in Cross Sequence<\/strong><\/p>\n<\/div>\n

Install all flange mounting bolts finger-tight first, then torque in a cross (star) pattern to the specified value in three increments \u2014 30%, 70%, 100%. This prevents drawing the flange down unevenly, which tilts the pilot register and creates a small angular error between the output flange face and the machine bore axis. Mounting surface flatness requirement: \u22640.02 mm across the bolt circle diameter.<\/p>\n<\/div>\n

\n
\n
4<\/div>\n

Motor Installation \u2014 No Axial Force on Bevel Stage<\/strong><\/p>\n<\/div>\n

Insert the motor shaft into the perpendicular input bore until the motor face seats flush on the input adapter plate face \u2014 no gap, no forcing. Tighten the two clamping bolts in alternating half-turns. Do not apply axial force to the motor shaft with a mallet during insertion \u2014 the bevel pinion bearing pre-load is set at the factory and cannot be restored if the pinion is displaced axially by impact loading during installation.<\/p>\n<\/div>\n

\n
\n
5<\/div>\n

Load Attachment \u2014 Bolt Circle to Arm \/ Table Flange<\/strong><\/p>\n<\/div>\n

When attaching a robot arm link or rotary table directly to the output flange bolt circle, ensure the mating flange face is flat within 0.02 mm and the mating pilot bore is H7. Use the full bolt circle for load attachment \u2014 partial bolt patterns create uneven clamping forces that deflect the output flange and introduce runout. Verify the tilting moment produced by the attached load arm does not exceed the EP-TNR output bearing capacity at the specific overhang distance.<\/p>\n<\/div>\n

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\n
6<\/div>\n

Run-In Procedure \u2014 Bevel Stage Audible Settling<\/strong><\/p>\n<\/div>\n

Run at no-load, \u226450% rated input speed, for 30 minutes. A light audible hum from the bevel stage during the first 10\u201315 minutes of initial operation is normal as the spiral bevel tooth flanks burnish to their running geometry \u2014 this sound diminishes as the contact pattern establishes. Monitor housing temperature at both the output flange area and the bevel stage housing. If temperature exceeds ambient + 90\u00b0C, stop and contact Korea Ever-Power \u2014 abnormal bevel stage heating indicates incorrect motor input seating.<\/p>\n<\/div>\n<\/div>\n

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\u26a0 Input direction is permanent:<\/strong> The motor input direction (left \/ right \/ up \/ down) is set at manufacture. Do not attempt to rotate the bevel housing to change the input direction after delivery \u2014 the bevel gear mesh geometry is calibrated for one specific orientation. Any attempt to change input direction in the field voids the warranty.<\/p>\n<\/div>\n

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\u2714 Single sealed housing \u2014 no separate bevel maintenance:<\/strong> The spiral bevel stage and helical planetary stage share one factory-sealed grease housing. There is no separate oil reservoir for the bevel gears, no oil level window, and no scheduled lubrication for the bevel stage. The sealed grease fill covers both stages for the full 20,000-hour rated life.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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EP-TNR Internal Components \u2014 Six Elements in One Housing<\/h2>\n

\"EP-TNR<\/p>\n

\n
\n

The EP-TNR integrates six precision subsystems in a single sealed unit. The first three are shared with the EP-TNF inline family. Components four through six are specific to the right-angle configuration and govern the bevel stage performance that distinguishes the EP-TNR from both the EP-TNF and the keyed-shaft EP-TMR.<\/p>\n

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\u2460 Ring Gear Housing \u2014 Forged One-Piece<\/strong><\/p>\n

Hot-forged alloy steel, ring gear and housing from one billet. All critical bores \u2014 ring gear ID, output bearing seats, bevel gear bore \u2014 machined in one setup, eliminating concentricity accumulation from separate components.<\/p>\n<\/div>\n

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\u2461 Helical Planet Gears<\/strong><\/p>\n

Same helical gear set as the EP-TNF and EP-TM. Contact ratio >2.0, DIN Class 5\u20136. Distributes output torque across three simultaneous mesh contacts, producing smoother input to the bevel stage than a spur planetary stage would.<\/p>\n<\/div>\n

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\u2462 Planet Carrier + Bevel Pinion Shaft<\/strong><\/p>\n

Carrier and bevel pinion shaft machined as a single component. The planetary output flows directly into the bevel pinion without an intermediate coupling \u2014 there is no accumulated runout between the planet carrier axis and the bevel pinion axis, which is the primary source of bevel stage noise in assembled designs.<\/p>\n<\/div>\n

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\u2463 Spiral Bevel Gear Pair \u2014 EP-TNR Exclusive<\/strong><\/p>\n

High-alloy steel, carburised and hardened to 58\u201362 HRC, then ground on a dedicated bevel gear grinder. Helix angle 25\u201335\u00b0. Gear ratio 1:1 \u2014 speed reduction comes entirely from the planetary stage; the bevel pair redirects direction only. Pre-loaded angular contact bearing pair on the bevel output shaft handles the combined separation force and applied radial load as a single design calculation.<\/p>\n<\/div>\n

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\u2464 Dual-Clamp Input Shaft<\/strong><\/p>\n

Two symmetrically opposed clamping bolts on the perpendicular input bore. Maximum 10,000 rpm input speed. Compatible with any motor shaft diameter within the adapter plate range. Symmetric clamping prevents the input shaft deflection that single-bolt designs produce during tightening.<\/p>\n<\/div>\n

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\u2465 Round Output Flange + Pilot Register<\/strong><\/p>\n

Output flange face and pilot register ground after assembly \u2014 concentricity to the actual rotation axis, not to a nominal design axis. Flange face runout \u22640.02 mm typical. Bolt circle and pilot register dimensions match the EP-TNF at the same frame size, so output-side machine interfaces designed for EP-TNF carry over to EP-TNR without modification.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Bevel stage backlash \u2014 what the number means in practice<\/div>\n

TNR P1 \u226410 arcmin is the total output flange backlash \u2014 planetary stage plus bevel stage combined, measured at the output flange at \u00b13% T\u2082\u2099 preload. Every EP-TNR ships with a factory measurement certificate showing the actual value. At 100 mm flange radius, 10 arcmin corresponds to \u22480.29 mm of arc motion \u2014 acceptable for all closed-loop servo axes where the encoder is on the motor shaft, and for open-loop applications where position tolerance \u22650.3 mm.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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How to Read an EP-TNR Model Code<\/h2>\n
\n
EP-TNR \u00a0090 \u00a0\u2013 \u00a0020 \u00a0\u2013 \u00a0S2 \u00a0\u2013 \u00a0P1 \u00a0\u2013 \u00a0L \u00a0( \u00a0\u00a0\u00a0 )<\/div>\n
\n
\n
EP-TNR<\/div>\n
\uc2dc\ub9ac\uc988 \u2014 \uc9c1\uac01
\nround-flange helical<\/div>\n<\/div>\n
\n
090<\/div>\n
\ud504\ub808\uc784 \ud06c\uae30(mm)
\n060\/090\/115\/142\/180\/220<\/div>\n<\/div>\n
\n
020<\/div>\n
\uae30\uc5b4\ube44
\nL1: 3~20\uba85 \u00b7 L2: 12~200\uba85<\/div>\n<\/div>\n
\n
S2<\/div>\n
\ucd9c\ub825\ucd95 \ud0c0\uc785
\nS1=\uc6d0\ud615 \u00b7 S2=\ud0a4\ud615<\/div>\n<\/div>\n
\n
\ud53c1<\/div>\n
\uc815\ubc00 \ub4f1\uae09
\nP1\u226410\u2032 \u00b7 P2\u226412\u2032<\/div>\n<\/div>\n
\n
\uc5d8<\/div>\n
Motor direction
\nL=left \u00b7 R=right \u00b7 U=up \u00b7 D=down<\/div>\n<\/div>\n
\n
( \u00a0 )<\/div>\n
\ubaa8\ud130 \uc778\ud130\ud398\uc774\uc2a4 \ucf54\ub4dc<\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

Motor Input Flange Dimensions \u2014 TNR Single-Stage L1 (Perpendicular Input Side)<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n
\uc561\uc790<\/th>\nOutput flange \u00d8<\/th>\n\uc785\ub825 \ud30c\uc77c\ub7ff \u00d8 (C1)<\/th>\nInput bolt circle \/ thread (C2)<\/th>\n\uc785\ub825\ucd95 \u00d8 (C3)<\/th>\nL1 axial length C9<\/th>\n<\/tr>\n<\/thead>\n
TNR060<\/td>\n\u00d880<\/td>\n\u00d866.7 \/ \u00d870 \/ \u00d890<\/td>\n4-M4\u00d710 \/ M5\u00d712 \/ M6\u00d714<\/td>\n\u00d88 \/ \u00d811 \/ \u00d819<\/td>\n153 mm<\/td>\n<\/tr>\n
TNR090<\/td>\n\u00d8116<\/td>\n\u00d890 \/ \u00d8100 \/ \u00d8115 \/ \u00d8145<\/td>\n4-M5\u00d712 \u2013 4-M8\u00d720<\/td>\n\u00d819 \/ \u00d816 \/ \u00d819,22<\/td>\n209 mm<\/td>\n<\/tr>\n
TNR115<\/td>\n\u00d8152<\/td>\n\u00d8145 \/ \u00d8200<\/td>\n4-M8\u00d720 \/ 4-M12\u00d728<\/td>\n\u00d819,22 \/ \u00d835<\/td>\n~266 mm<\/td>\n<\/tr>\n
TNR142<\/td>\n\u00d8186<\/td>\n\u00d8145 \/ \u00d8200<\/td>\n4-M8\u00d720 \/ 4-M12\u00d728<\/td>\n\u00d822 \/ \u00d835<\/td>\n\uc57d 338mm<\/td>\n<\/tr>\n
TNR180<\/td>\n\u00d8240<\/td>\n\u00d8200 (custom)<\/td>\n4-M12\u00d728<\/td>\n\u00d842 \/ \u00d855<\/td>\n405.5 mm<\/td>\n<\/tr>\n
TNR220<\/td>\n\u00d8292<\/td>\n\u00d8220 (custom)<\/td>\n4-M12\u00d730<\/td>\n\u00d842 \/ \u00d875<\/td>\n494.5 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

TNR180\/220 input dimensions configurable \u2014 specify motor at order. Confirm all dimensions against Korea Ever-Power dimensional drawing. The L12 perpendicular height (including input flange) is the critical dimension for installations where motor exits upward or downward.<\/p>\n<\/section>\n

<\/p>\n

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EP-TNR in Korean Industry \u2014 Where the Round Flange Matters<\/h2>\n
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\u2460 Korean 5-Axis CNC B-Axis \u2014 Depth-Constrained Column<\/h3>\n

Korean compact 5-axis machining centre builders facing a hard column depth limit behind the B-axis rotary table reach for TNR090\/115 at i=25\u201350. The motor exits laterally within the column width; the large-diameter output flange (\u00d8116 or \u00d8152 mm) seats directly in the table housing bore. The result is a B-axis assembly 60\u201390 mm shorter than the equivalent EP-TNF + motor inline, allowing a narrower column cross-section and measurable machine weight reduction across a production batch.<\/p>\n<\/div>\n

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\u2461 Korean Cobot Wrist Roll Joint \u2014 ISO 9409 Direct Mount<\/h3>\n

Korean collaborative robot developers designing 6-axis cobots for the general-industry market specify TNR060 at i=16\u201320 for the J4 wrist roll axis. The \u00d880 mm output flange matches the ISO 9409-1 size 50 robot flange interface, allowing standard end-effector tool flanges to bolt directly to the gearbox output face. The motor exits perpendicular to the forearm axis, keeping the forearm outer diameter at 72\u201378 mm \u2014 achievable with EP-TNR, not possible with an inline EP-TNF at the same torque level.<\/p>\n<\/div>\n

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\u2462 Korean Precision Indexing Head \u2014 Direct Coupling Without Adapter Ring<\/h3>\n

Korean machine tool accessory manufacturers building direct-drive indexing heads specify TNR090\/115 at i=20\u201340. The output flange pilot register centres the indexing head spindle directly \u2014 no intermediate adapter ring, no accumulated alignment error from ring machining tolerances. For multi-station assembly machines running 24\/7, the elimination of an intermediate coupling component also eliminates one failure-mode item from the maintenance schedule. Achievable positional accuracy at the indexing table face depends on the EP-TNR output flange runout (\u22640.02 mm) plus the indexing head spindle bearing preload \u2014 typically \u22640.05 mm total at the table rim.<\/p>\n<\/div>\n

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\u2463 Korean Pharmaceutical Conveyor Side Drive \u2014 Hygiene Zone<\/h3>\n

Korean pharmaceutical blister pack and liquid fill conveyor systems require drives that mount flush to the conveyor side frame \u2014 the product zone above must be clear of all mechanical projections. TNR060\/090 with motor-down or motor-up configuration mounts flush, the round flange seats in the conveyor frame side plate bore, and the motor drops below or rises above the conveyor top surface. IP65 sealing handles CIP wash-down cleaning. The sealed grease fill produces no particle generation \u2014 an explicit cleanroom conveyor requirement that rules out open oil-bath reducers.<\/p>\n<\/div>\n

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\u2464 Korean Semiconductor EFEM \u2014 Robot Theta Axis<\/h3>\n

Equipment Front End Modules in Korean fab tool sets use TNR060 for the wafer transport robot theta (rotational) axis. The compact housing \u2014 153 mm axial depth with the motor exiting sideways \u2014 fits within the EFEM equipment footprint constraint that governs the fab aisle tool pitch. The round output flange centres the robot turret directly with sub-0.02 mm runout, contributing to the wafer slot alignment repeatability required by SEMI E84 AMHS load-port standards.<\/p>\n<\/div>\n

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\u2465 Agricultural Equipment \u2014 Precision Seeding Carriage Rotation<\/h3>\n

Modern GPS-guided precision seeders use servo-controlled row unit carriages that rotate to follow field contours and headland turns. TNR090 at i=25\u201350 positions the motor along the carriage frame while delivering output flange torque directly to the carriage pivot bearing. Downstream agricultural multi-output gearboxes then distribute power to the individual row unit drives from the single TNR output, keeping the servo motor count minimal and the control system simple. IP65 sealing and \u221210\u00b0C to +90\u00b0C temperature range cover all seasonal field operating conditions.<\/p>\n<\/div>\n<\/div>\n

\"EP-TNR<\/p>\n<\/section>\n

<\/p>\n

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Why Engineers Specify Korea Ever-Power EP-TNR<\/h2>\n
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\ud83d\udcd0<\/span><\/p>\n

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Output-Side Interface Identical to EP-TNF<\/h3>\n

The EP-TNR output flange diameter, bolt circle, pilot register, and shaft tolerance are identical to the EP-TNF at the same frame size. A machine interface designed for EP-TNF carries over to EP-TNR without any output-side modification \u2014 only the motor mounting arrangement changes. This means engineers can redesign the motor side to save axial depth without redrawing the entire axis assembly.<\/p>\n<\/div>\n<\/div>\n

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\ud83d\udd12<\/span><\/p>\n

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Bevel Stage Covered by Lifetime Seal \u2014 No Separate Maintenance<\/h3>\n

Many right-angle gearboxes with a bevel stage use a separate oil reservoir for the bevel gears that requires periodic oil level checks and changes. The EP-TNR uses a single factory-sealed grease fill that covers both the helical planetary stage and the spiral bevel stage in the same housing \u2014 no access port, no oil level gauge, no bevel-specific lubrication schedule over the full 20,000-hour service life.<\/p>\n<\/div>\n<\/div>\n

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\ud83d\udccb<\/span><\/p>\n

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Total Backlash Certificate \u2014 Flange-Measured, Not Estimated<\/h3>\n

The backlash value on the EP-TNR delivery certificate is measured at the output flange \u2014 the combined total of the planetary stage and bevel stage contributions \u2014 using the same \u00b13% T\u2082\u2099 preload test method as EP-TM and EP-TNF. It is not an estimated sum of two separate stage measurements. Engineers receive the actual value for their specific unit, which they can compare against the grade specification and use as the installation baseline for annual maintenance checks.<\/p>\n<\/div>\n<\/div>\n

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\ud83c\udfaf<\/span><\/p>\n

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Axial Saving Calculation at No Charge \u2014 Before Order<\/h3>\n

Korea Ever-Power provides a free installation envelope comparison \u2014 EP-TNR axial depth versus EP-TNF + your specific motor \u2014 before order placement. Provide the motor model number and the available machine depth behind the output flange; the response includes the exact axial saving in millimetres, the L12 perpendicular height with the motor in the selected direction, and a dimensional drawing for the specific frame and ratio. Same-day response in English.<\/p>\n<\/div>\n<\/div>\n

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\u26a1<\/span><\/p>\n

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Ratio Range to i=200 \u2014 Ultra-Slow Output Speeds<\/h3>\n

EP-TNR dual-stage reaches i=200, wider than the EP-TNF dual-stage range. A TNR090 at i=200 from a 3,000 rpm motor produces 15 rpm output \u2014 appropriate for heavy conveyor head drives, screw conveyor auger drives, and slow slew ring drives where a compact axial depth is required and the inline EP-TNF would require a separate external reduction stage to reach equivalent speed.<\/p>\n<\/div>\n<\/div>\n

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\ud83c\udf21\ufe0f<\/span><\/p>\n

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\u221210\u00b0C to +90\u00b0C \u2014 Identical Range to EP-TNF<\/h3>\n

The bevel stage introduces no restriction to the operating temperature range. Applications running EP-TNF in cold-chain Korean logistics or hot Korean food processing environments can substitute EP-TNR without any lubrication or sealing modification. The sealed grease specification covers both stages across the full rated temperature range without change.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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\uace0\uac1d \ub9ac\ubdf0 \ubc0f \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud53c\ub4dc\ubc31<\/h2>\n
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4.8<\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n
Based on 75+ verified orders<\/div>\n<\/div>\n
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5 \u2605<\/span><\/p>\n

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<\/div>\n<\/div>\n

87%<\/span><\/p>\n<\/div>\n

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4 \u2605<\/span><\/p>\n

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<\/div>\n<\/div>\n

11%<\/span><\/p>\n<\/div>\n

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\u22643 \u2605<\/span><\/p>\n

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<\/div>\n<\/div>\n

2%<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n
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97%<\/div>\n
\uc7ac\uc8fc\ubb38\ud558\uaca0\uc2b5\ub2c8\ub2e4<\/div>\n<\/div>\n
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<1%<\/div>\n
\ud604\uc7a5 \uace0\uc7a5\ub960<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n
\n
\uae30\uc74c<\/div>\n
\n
Choi D. \u2014 5-Axis VMC Design Engineer<\/div>\n
\uad6c\ub9e4\uc790 \uc778\uc99d \u00b7 \ub300\ud55c\ubbfc\uad6d \ucc3d\uc6d0<\/div>\n<\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n<\/div>\n

TNR115 i=40 dual-stage for the B-axis of our new compact 5-axis VMC. Previous machine generation used an EP-TNF115 with the Yaskawa motor inline \u2014 total assembly was 337 mm, pushing us to a wider column than we wanted. With EP-TNR115 the axial depth is 266 mm and the motor exits to the left within the column. Column cross-section reduced by 65 mm, saving 9 kg per machine. Korea Ever-Power sent the full dimensional drawing and confirmed the input flange for our Yaskawa SGMGV-09A motor within 4 hours of my enquiry.<\/p>\n

EP-TNR115, i=40, P2 \u00b7 5-axis VMC B-axis \u00b7 65 mm column reduction, 9 kg saved per machine<\/div>\n<\/div>\n
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\uc5d0\uc2a4<\/div>\n
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Shin Y. \u2014 Collaborative Robot Development Lead<\/div>\n
\uad6c\ub9e4\uc790 \uc778\uc99d \u00b7 \ub300\ud55c\ubbfc\uad6d \uc218\uc6d0<\/div>\n<\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n<\/div>\n

EP-TNR060 i=16 two-stage for the J4 wrist roll joint. Target forearm outer diameter was 76 mm \u2014 with a standard inline gearbox at this torque the forearm would have been at least 95 mm diameter. EP-TNR060 (\u00d880 mm flange body) let us achieve 74 mm forearm OD. The ISO 9409-1 flange match meant our standard tool quick-change adapters fit without any modification. The \u226410 arcmin P2 backlash is fully within tolerance for our closed-loop wrist position control. 22 units deployed across two cobot models \u2014 no field issues in 11 months.<\/p>\n

EP-TNR060, i=16, P2 \u00b7 Cobot J4 wrist roll \u00b7 74 mm forearm OD, ISO 9409-1 compatible, 22 units<\/div>\n<\/div>\n
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\uc81c\uc774<\/div>\n
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Jung K. \u2014 Pharmaceutical Line Systems Engineer<\/div>\n
\uad6c\ub9e4\uc790 \uc778\uc99d \u00b7 \ub300\ud55c\ubbfc\uad6d \uc778\ucc9c<\/div>\n<\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n<\/div>\n

EP-TNR090 i=20 single-stage, motor-down configuration, for blister pack conveyor head drives in our KFDA-compliant production facility. Previous worm reducer at this position required quarterly oil changes \u2014 a 40-minute procedure per conveyor head that accumulated to significant maintenance hours across a 24-line facility. EP-TNR sealed grease eliminated the oil change schedule entirely. IP65 handles our daily CIP foam wash. After 14 months operation and three scheduled audits, all 28 units remain within the delivery certificate backlash value.<\/p>\n

EP-TNR090, i=20 \u00b7 Pharmaceutical conveyor heads \u00b7 Oil change eliminated, 28 units, 14 months no issues<\/div>\n<\/div>\n<\/div>\n
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Share your EP-TNR application experience.<\/strong> \ud55c\uad6d \uc5d0\ubc84\ud30c\uc6cc\uc5d0 \ubb38\uc758\ud558\uc138\uc694: sales@planetary-gearboxes.com<\/a><\/p>\n<\/div>\n<\/section>\n

<\/p>\n

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Drivetrain Integration \u2014 Complementary Products<\/h2>\n
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\"EP-TNR<\/div>\n
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Worm Gear Reducers \u2014 Self-Locking Second Stage<\/h3>\n

For vertical load-holding columns and counterbalance-free lifting axes where the drive must hold position under power loss, combining EP-TNR with a downstream \uc6dc \uae30\uc5b4 \uac10\uc18d\uae30<\/a> delivers both the axial depth saving and self-locking capability. A TNR090 at i=20 (\u03b7\u226595%) paired with a worm at i=50 (\u03b7\u224860%) produces combined i=1,000 with self-locking, overall \u03b7\u224857%. The right-angle output of the EP-TNR also simplifies the mechanical layout when the worm reducer axis must be perpendicular to the motor axis \u2014 the EP-TNR performs both the 90\u00b0 turn and the primary reduction in one housing.<\/p>\n<\/div>\n

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Agricultural Gearboxes \u2014 Precision Field Equipment<\/h3>\n

In precision agriculture equipment where the servo motor must sit along the machine frame and the working elements operate perpendicular to the travel direction, the EP-TNR’s right-angle flange output feeds directly into downstream \ub18d\uc5c5\uc6a9 \ub2e4\uc911 \ucd9c\ub825 \uae30\uc5b4\ubc15\uc2a4<\/a>. The round output flange allows a direct structural connection to the agricultural gearbox input flange \u2014 no shaft, no coupling, no alignment adjustment in the field. EP-TNR180\/220 at i=50\u2013100 covers the 600\u20131,200 N\u00b7m range typical of combine header and precision seeder main drive axes.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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Related Products \u2014 The Right-Angle & Flange Family<\/h2>\n
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EP-TNF \u2014 Round Flange, Inline<\/a><\/h3>\n

Same round flange output face as EP-TNR. Motor coaxial behind the output. Lower backlash (P1 \u22645 arcmin) because no bevel stage. Choose EP-TNF when axial depth allows the motor inline and minimum backlash is the priority.<\/p>\n<\/div>\n

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EP-TMR \u2014 Right-Angle, Keyed Shaft<\/a><\/h3>\n

90\u00b0 right-angle, same motor direction flexibility as EP-TNR, but outputs through a round\/keyed shaft rather than a bolt-circle flange. Choose EP-TMR for rack-and-pinion, coupling-connected ball screw, or conveyor pulley shaft applications.<\/p>\n<\/div>\n

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EP-TM \u2014 Inline, Keyed Shaft<\/a><\/h3>\n

Highest efficiency (\u226597% L1), lowest backlash (P0 \u22641 arcmin), no bevel stage. The baseline helical planetary for all applications where axial depth is not constrained and inline motor placement is possible.<\/p>\n<\/div>\n

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EP-TEG \u2014 Ultra-Precision P0<\/a><\/h3>\n

P0 \u22641 arcmin inline flange output. For semiconductor equipment, precision optics, and CNC ultra-precision rotary tables where EP-TNR backlash exceeds the system error budget.<\/p>\n<\/div>\n<\/div>\n

Frequently Asked Questions \u2014 EP-TNR Series<\/h2>\n
\n
\n

\ud050<\/span>My machine currently uses an EP-TNF. Can I swap to an EP-TNR to save axial depth without changing the output-side machine drawings?<\/h3>\n

Yes \u2014 the EP-TNR output flange diameter, bolt circle diameter, thread specification, pilot register diameter, and shaft tolerance are identical to the EP-TNF at the same frame size. You keep all output-side machine drawings unchanged. The only changes required are the motor adapter side (the perpendicular input flange dimensions differ) and the motor cable routing (motor now exits sideways rather than rearward). Confirm the available space in the motor-exit direction before specifying the input direction (left \/ right \/ up \/ down). Korea Ever-Power provides a dimensional drawing confirming the fit before order at no charge.<\/p>\n<\/div>\n

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\ud050<\/span>For a robot wrist joint requiring ISO 9409-1 compatibility, does the EP-TNR output flange match the standard directly?<\/h3>\n

The EP-TNR output flange dimensions are compatible with ISO 9409-1 robot wrist interface dimensions for several frame sizes, but the bolt circle diameter and pilot register must be confirmed against your specific ISO 9409-1 size designation before ordering. The TNR060 \u00d880 mm flange is geometrically compatible with ISO 9409-1 size 50; TNR090 \u00d8116 mm with size 80. Korea Ever-Power confirms the specific bolt circle, pilot register, and thread specification against your ISO 9409-1 size requirement \u2014 and manufactures custom output flanges for non-standard interfaces with 3\u20134 week lead time for Korean cobot OEM programmes.<\/p>\n<\/div>\n

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\ud050<\/span>Is EP-TNR backlash \u226410 arcmin adequate for a closed-loop servo axis with a motor-shaft encoder?<\/h3>\n

For the majority of Korean industrial servo axes \u2014 conveyor, packaging, material handling, robot joint drives \u2014 where the position encoder is on the motor shaft and the servo loop closes at the motor, the answer is yes. The servo drive compensates for gearbox backlash by actively tracking the encoder position; the 10 arcmin of dead zone in the gearbox appears as a small velocity lag at direction reversal, not as a positional error in steady-state operation. For axes where positional accuracy at the output flange matters independently of encoder compensation \u2014 open-loop stepper drives, direct metrology applications, or wafer positioning \u2014 the EP-TNF (\u22645 arcmin) or EP-TEG (\u22641 arcmin) is the more appropriate specification. Korea Ever-Power provides application-specific backlash impact analysis at no charge for any EP-TNR enquiry.<\/p>\n<\/div>\n

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\ud050<\/span>What is the delivery lead time for EP-TNR units, and are they held in stock?<\/h3>\n

Standard EP-TNR configurations \u2014 frames 060 through 142, ratios i=5\/10\/20\/25, P2 grade, motor-left and motor-right directions \u2014 are held in stock with same-week delivery. TNR180\/220 large frames, P1 precision grade on all frames, non-standard ratios, and motor-up \/ motor-down input directions carry a 2\u20134 week production lead time from the input direction specification. Confirm your required input direction, frame, and ratio with Korea Ever-Power before committing to a machine design timeline \u2014 stock status changes with production schedules and is confirmed at the time of enquiry.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Specify Your EP-TNR \u2014 Free Axial Saving Calculation Included<\/h2>\n

Provide your motor model, required ratio, available axial depth, and preferred motor exit direction \u2014 Korea Ever-Power returns the exact axial saving versus inline configuration, the L12 perpendicular height, a dimensional drawing, and a stock availability confirmation. Same-day response.<\/p>\n

Right-angle flange configuration \u00b7 Stock 060\u2013142 frames \u00b7 Same-week delivery on standard configs<\/p>\n

Request Quote \u2014 EP-TNR \u2192
\n<\/a>
\nCompare EP-TNF Inline \u2192
\n<\/a><\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"
\n
\u2605 Round Flange + 90\u00b0 Right Angle \u2014 What Neither EP-TNF nor EP-TMR Delivers Alone<\/div>\n

\uadf8\ub9cc\ud07c EP-TNF<\/a> gives you a large flange but places the motor inline behind it. The EP-TMR<\/a> folds the motor 90\u00b0 but outputs through a shaft. The EP-TNR combines both \u2014 90\u00b0 motor placement saves axial depth, round flange output provides the structural bolt interface.<\/p>\n<\/div>","protected":false},"featured_media":797,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[963],"product_tag":[],"class_list":["post-788","product","type-product","status-publish","has-post-thumbnail","product_cat-high-precision-planetary-gearbox","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/product\/788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/comments?post=788"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/media\/797"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/media?parent=788"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/product_brand?post=788"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/product_cat?post=788"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/ko\/wp-json\/wp\/v2\/product_tag?post=788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}