{"id":739,"date":"2026-06-03T01:23:03","date_gmt":"2026-06-03T01:23:03","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=739"},"modified":"2026-06-03T01:23:03","modified_gmt":"2026-06-03T01:23:03","slug":"planetary-gearbox-food-processing-haccp-washdown-ip65-hygienic","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/fr\/planetary-gearbox-food-processing-haccp-washdown-ip65-hygienic\/","title":{"rendered":"Precision Planetary Gearbox for Food Processing"},"content":{"rendered":"
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La Cor\u00e9e toujours puissante<\/span>
\nFood Processing Application Guide<\/span><\/div>\n

Precision Planetary Gearbox for Food Processing \u2014 HACCP Washdown, IP Rating, and Hygienic Drive Selection Guide<\/h1>\n

Food processing machinery runs in environments that destroy standard industrial precision r\u00e9ducteurs plan\u00e9taires<\/a> within 2,000 hours: daily high-pressure washdown with caustic soda and peracetic acid, temperature swings from \u221225\u00b0C in freeze tunnels to 85\u00b0C during CIP cycles, and hygiene regulations that prohibit the horizontal recesses where IP54 seal joints collect water and bacteria. Specifying IP65 with FKM seals is not a premium \u2014 it is the minimum viable specification for any food processing drive in a HACCP-certified facility.<\/p>\n

Get Food Processing Specification Support \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

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Five Requirements That Make Food Processing the Most Demanding Gearbox Environment in Industrial Automation<\/h2>\n

The Korean food and beverage manufacturing sector \u2014 the world’s sixth largest by output \u2014 operates under HACCP (Hazard Analysis and Critical Control Points) protocols mandated by the Korea Ministry of Food and Drug Safety and aligned with EU Regulation 852\/2004 and US FDA 21 CFR Part 110. These protocols create mechanical design requirements that no other industrial application imposes simultaneously on a precision servo gearbox.<\/p>\n

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\u2460 Daily Pressure Washdown with Aggressive Chemicals<\/div>\n

HACCP-certified food lines wash down 1\u20136 times per day with sodium hydroxide (NaOH, 1\u20133%), peracetic acid (PAA, 0.1\u20130.3%), chlorine solutions (200\u20131,000 ppm), and quaternary ammonium compounds \u2014 all at water temperatures of 60\u201385\u00b0C and pressures of 2\u20138 bar. IP54 (splash protection) fails under direct jet exposure within 2,000 hours. The only viable specification is IP65 (EP-ZDS), which withstands the IPX5 standard test: 6.3mm nozzle, 12.5 L\/min, sustained from any direction.<\/p>\n<\/div>\n

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\u2461 Seal Material Must Resist Food Disinfectants<\/div>\n

Standard NBR (nitrile) seals \u2014 the default in most industrial gearboxes \u2014 swell and harden in contact with peracetic acid, losing sealing force within 500\u20131,000 wash cycles. FKM (Viton) seals, standard in EP-ZDS, resist the full range of food industry disinfectants including peracetic acid, chlorine, and caustic soda, at operating temperatures up to 200\u00b0C. This single material choice is the difference between a seal that lasts 20,000 hours and one that fails in 12 months.<\/p>\n<\/div>\n

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\u2462 Lubricant Food-Grade Classification<\/div>\n

NSF International classifies food-grade lubricants under three categories: H1 (incidental food contact acceptable), H2 (no food contact), and H3 (direct food contact). EP series uses H2-equivalent PAO synthetic grease \u2014 suitable for food processing when the gearbox is positioned outside the direct product contact zone. For gearboxes in the product contact zone, NSF H1 grease is available on special order (reduces rated life by approximately 30% due to lower EP additive loading in H1-approved formulations).<\/p>\n<\/div>\n

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\u2463 Hygienic Design \u2014 No Horizontal Surfaces or Recesses<\/div>\n

EHEDG (European Hygienic Engineering & Design Group) guidelines prohibit horizontal surfaces where water pools, dead-zone recesses where product and bacteria accumulate, and external threaded fastener heads that trap food particles. EP-ZDS aluminium housings provide smooth external surfaces without protruding features \u2014 adequate for splash-zone installation. For direct zone-1 food contact installation, consult Korea Ever-Power application engineering for stainless housing options or shroud designs.<\/p>\n<\/div>\n

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\u2464 Temperature Range: Freeze Tunnel to CIP\/SIP<\/div>\n

A single food processing facility can require gearboxes that operate at \u221225\u00b0C in a freeze tunnel and survive 85\u00b0C washdown water within the same shift. EP series rated operating range \u221225\u00b0C to +90\u00b0C housing temperature covers this full range \u2014 provided the brief washdown thermal shock (typically 5\u201315 minutes) does not exceed the seal temperature limit. FKM seals (rated to 200\u00b0C) have no issue with CIP\/SIP temperature. The PAO grease remains functional through the full \u221225\u00b0C to +90\u00b0C operating range without modification.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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\"R\u00e9ducteurs<\/div>\n
EP series planet gear tooth flanks are case-hardened alloy steel, ground to ISO gear quality grade 5 \u2014 the same specification in food processing applications as in precision CNC machine tools. Internal gear quality does not change with IP rating; the IP65 sealing of EP-ZDS protects this internal precision from the external food processing environment. Afficher les sp\u00e9cifications du r\u00e9ducteur plan\u00e9taire \u2192<\/a><\/div>\n<\/div>\n

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The IP Rating Hierarchy for Food Environments \u2014 IP54, IP65, IP67, and IP69K Explained<\/h2>\n

Four IP ratings appear in food processing equipment specifications, each corresponding to a different level of liquid protection. The choice is determined by the actual water exposure profile of the gearbox \u2014 not the general environment of the production area. A gearbox mounted above the product line in an enclosed housing may require only IP54 in a facility that otherwise demands IP65 everywhere.<\/p>\n

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IP54<\/div>\n
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Splash from any direction \u2014 NOT adequate for HACCP washdown<\/div>\n

Test: 10-litre bucket spray at 0.07 L\/s. Protects against random directional splash but cannot withstand the sustained pressure-hose contact of HACCP washdown. In daily washdown environments, IP54 seal joints allow progressive water ingress that emulsifies the sealed lubricant within 2,000 hours. Not suitable for any food processing zone with scheduled washdown.<\/strong> EP-ZDE\/ZDF\/ZDWE\/ZDWF rating.<\/p>\n<\/div>\n<\/div>\n

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IP65 \u2605<\/div>\n
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Sustained water jet from any direction \u2014 adequate for standard HACCP washdown<\/div>\n

Test: 6.3mm nozzle, 12.5 L\/min at 3m distance, from any direction for 1 min per face. This matches the profile of standard HACCP hose-down at 2\u20136 bar from normal operating distance. The minimum specification for any food processing gearbox in a HACCP-certified washdown zone.<\/strong> EP-ZDS series rating \u2014 the only EP series product rated IP65.<\/p>\n<\/div>\n<\/div>\n

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IP67<\/div>\n
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Temporary immersion to 1m \u2014 for dip-tank or submerged applications<\/div>\n

Test: 30 minutes immersion at 1m depth. Required for gearboxes on conveyor drives that pass through water tanks or cleaning baths, or for drives at floor level in facilities with standing water accumulation. EP series standard does not include IP67 \u2014 consult Korea Ever-Power for alternative sealed solutions where IP67 is required.<\/p>\n<\/div>\n<\/div>\n

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IP69K<\/div>\n
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High-pressure high-temperature jet \u2014 European food industry gold standard<\/div>\n

ISO 11158 test: 80\u00b0C water at 80\u2013100 bar, 14\u201316 L\/min, at 10\u201315cm distance. This represents the most aggressive industrial pressure-washing condition \u2014 used in meat processing, dairy production, and EU-certified export facilities. IP69K requires specialised sealing design beyond standard industrial gearboxes. EP-ZDS (IP65) is not IP69K rated; for IP69K requirements, supplementary mechanical sealing or shroud enclosure is needed around the EP-ZDS unit.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Korean regulatory context:<\/strong> Korea’s MFDS (Ministry of Food and Drug Safety) regulations under the Food Sanitation Act (\uc2dd\ud488\uc704\uc0dd\ubc95) and the Korean HACCP standard (HACCP \uc778\uc99d) require all food production equipment, including drives and gearboxes, to be designed for cleanability with no surfaces that promote microbial growth. IP65 sealing and smooth exterior housing surfaces are the practical minimum to comply. Korean food processing OEMs exporting to EU markets must additionally comply with EC 1935\/2004 (materials in contact with food) \u2014 which may require NSF H1 lubricant and stainless steel housing in some configurations.<\/p>\n<\/div>\n<\/section>\n

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Seal Material Compatibility \u2014 FKM, NBR, and EPDM Against the Four Food Disinfectant Chemistries<\/h2>\n

The output shaft lip seal is the single most critical component in a food processing gearbox \u2014 it is the boundary between the external washdown environment and the sealed grease cavity. Getting the seal material wrong means lubricant contamination within months. The four primary disinfectant chemistries used in Korean food processing facilities impose different compatibility requirements on seal elastomers.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Disinfectant<\/th>\nTypical Conc.<\/th>\nTemp<\/th>\nNBR (Nitrile)
\nStandard industrial<\/span><\/th>\n		FKM (Viton)
\nEP-ZDS standard<\/span><\/th>\n		EPDM
\nAlternative<\/span><\/th>\n		Food Industry Use<\/th>\n<\/tr>\n<\/thead>\n
Sodium Hydroxide (NaOH)<\/td>\n1\u20133%<\/td>\n60\u201380\u00b0C<\/td>\n\u26a0 Moderate<\/td>\n\u2705 Good<\/td>\n\u2705 Excellent<\/td>\nCIP step 1; protein\/fat removal; dairy, meat<\/td>\n<\/tr>\n
Peracetic Acid (PAA)<\/td>\n0.1\u20130.3%<\/td>\n15\u201340\u00b0C<\/td>\n\u274c Poor<\/td>\n\u2705 Good<\/td>\n\u2705 Good<\/td>\nCIP disinfection; widely used in beverage, dairy, meat<\/td>\n<\/tr>\n
Sodium Hypochlorite (Chlorine)<\/td>\n200\u20131,000 ppm<\/td>\n20\u201350\u00b0C<\/td>\n\u26a0 Moderate<\/td>\n\u2705 Excellent<\/td>\n\u2705 Good<\/td>\nProduce washing, general disinfection; seafood, bakery<\/td>\n<\/tr>\n
Quaternary Ammonium (QAC)<\/td>\n200\u2013400 ppm<\/td>\n20\u201350\u00b0C<\/td>\n\u2705 Good<\/td>\n\u2705 Good<\/td>\n\u2705 Good<\/td>\nSurface disinfection; pharmacy, food dry areas<\/td>\n<\/tr>\n
Hot water (CIP\/SIP)<\/td>\n\u2014<\/td>\n60\u201385\u00b0C<\/td>\n\u26a0 to 100\u00b0C<\/td>\n\u2705 to 200\u00b0C<\/td>\n\u2705 to 150\u00b0C<\/td>\nAll food processing; thermal disinfection step<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Ordering instruction: always specify “FKM seals” explicitly<\/div>\n

EP-ZDS units are available with either NBR or FKM output shaft lip seals. The standard production seal is NBR unless FKM is specified. For all food processing applications, specify FKM seals in the order \u2014 state “FKM lip seal \/ Viton seal” in the specification. FKM seals add a modest cost premium (typically 5\u20138% of unit price) and represent the single most important specification decision for long-term food processing reliability. An EP-ZDS unit with NBR seals in a peracetic acid environment will fail the same as an IP54 unit<\/strong> \u2014 the housing IP65 rating is meaningless if the seal material is incompatible with the washdown chemistry.<\/p>\n<\/div>\n<\/section>\n

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Total Cost of Ownership \u2014 Why IP65 Costs Less Than IP54 in Food Processing<\/h2>\n

The cost premium of an EP-ZDS (IP65) unit over an EP-ZDE (IP54) unit of equivalent torque class is typically 35\u201350%. In a clean indoor servo automation application, this premium has no return \u2014 IP54 will last 20,000 hours with no performance difference. In a HACCP washdown food processing environment, the same IP54 unit will require replacement approximately every 2,000 hours. The TCO calculation is not close.<\/p>\n

\"Planerary<\/p>\n

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20,000h TCO: IP54 Unit vs EP-ZDS IP65 Unit in Daily HACCP Washdown<\/div>\n
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IP54 Unit (EP-ZDE) in HACCP Environment<\/div>\n
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Actual service life: ~2,000 h<\/div>\n
Replacements in 20,000h: 10\u00d7<\/div>\n
Each replacement:<\/div>\n
Unit cost: 1.0\u00d7 reference<\/div>\n
Installation labour: 0.3\u00d7<\/div>\n
Line downtime: 2h \u00d7 $8,000\/h<\/div>\n
Per event total: ~$16,300 + unit<\/div>\n
20,000h total: \u2248$163,000 + 10\u00d7 units<\/div>\n<\/div>\n<\/div>\n
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EP-ZDS IP65 + FKM Seals (Correct Specification)<\/div>\n
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Actual service life: 20,000 h (L10)<\/div>\n
Replacements in 20,000h: 1\u00d7 (scheduled)<\/div>\n
Scheduled replacement:<\/div>\n
Unit cost: 1.4\u00d7 reference (IP65 premium)<\/div>\n
Planned installation: 0.3\u00d7<\/div>\n
Planned downtime: 0 unplanned cost<\/div>\n
1\u00d7 planned event total: 1.7\u00d7 unit cost<\/div>\n
20,000h total: 1.7\u00d7 unit cost only<\/div>\n<\/div>\n<\/div>\n<\/div>\n
Total cost saving with EP-ZDS IP65 over 20,000h: $163,000+ in downtime alone, plus 9 fewer unit purchases and 9 fewer installation events. The IP65 premium pays for itself within the first IP54 replacement event.<\/div>\n
Assumptions: 3 washdown cycles\/day, 6 days\/week; IP54 seal failure in ~2,000h; line downtime $8,000\/h (Korean food processing line, FDA\/MFDS compliance stop cost); planned replacement at L10=20,000h. Unplanned failure cost significantly higher in practice due to regulatory investigation, product hold, and cleaning revalidation.<\/div>\n<\/div>\n
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The hidden cost of IP54 failure in food environments:<\/strong> When an IP54 gearbox seal fails in a food processing line, the consequence is not just the replacement cost. A seal failure in a food contact zone triggers a HACCP critical control point deviation \u2014 which in Korean food manufacturing requires documented investigation, potential product hold and sampling, regulatory notification in some cases, and cleaning\/sanitation revalidation before the line can restart. The total cost of a single unplanned gearbox-related food safety event is $30,000\u2013$150,000 in a Korean facility with KFDA HACCP certification. The IP65 premium is 40% of unit cost.<\/p>\n<\/div>\n<\/section>\n

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Application-by-Application Guide \u2014 Eight Food Processing Drive Types<\/h2>\n

Food processing machinery uses servo-driven planetary gearboxes in eight distinct application categories, each with different torque, speed, and accuracy priorities. The following covers the most common configurations in Korean food and beverage manufacturing lines.<\/p>\n

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\"Planetary<\/p>\n

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CONVEYOR
\nBELT\/CHAIN<\/div>\n
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Continuous duty \u00b7 IP65 required in wet zones \u00b7 moderate torque<\/div>\n

Food conveyors run continuously in high-humidity or wet environments with periodic washdown. The drive is typically at one end of the conveyor, often in direct washdown exposure. Torque: 30\u2013200 N\u00b7m depending on belt width and load. Speed: 5\u201330 rpm output for most food conveyor applications.<\/p>\n

\u2192 EP-ZDS-115, 16:1 or 20:1, IP65, FKM seals<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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MIXER \/
\nAGITATOR<\/div>\n
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High torque, very low speed \u00b7 viscosity range defines torque \u00b7 IP65 critical<\/div>\n

Dough mixers, paste agitators, and slurry mixers require the highest output torques in food processing \u2014 often 200\u2013800 N\u00b7m at 5\u201330 rpm output. At 3,000 rpm motor speed and 20 rpm output, the ratio is 150:1 (3-stage territory). The gearbox is in direct splash exposure from the product and from tank washdown. For mixing torques above 500 N\u00b7m, EP-ZDS-142 or EP-ZDS-190 at 3-stage (via two-unit cascade or direct 3-stage) is required.<\/p>\n

\u2192 EP-ZDS-115\/142, 80\u2013200:1 (3-stage), IP65, FKM seals<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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FILLING
\nMACHINE<\/div>\n
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High cycle rate \u00b7 precise dose volume \u00b7 position accuracy critical<\/div>\n

Piston-type and rotary filling machines index 30\u2013120 cycles per minute. The servo axis controls piston stroke \u2014 the gearbox backlash directly affects dose volume repeatability. Each 1 arcmin of backlash at the piston drive creates approximately 0.2% dose variation at a 10:1 gear ratio. For \u00b10.5% dose accuracy, backlash must be <8 arcmin. CIP cycles between production runs require IP65 if the drive is inside the fill cabinet.<\/p>\n

\u2192 EP-ZDE-80\/120 (IP54, outside zone) or EP-ZDS-115 (IP65, inside cabinet)<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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PACKAGING
\nINDEXER<\/div>\n
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Precise angular index \u00b7 high cycle rate \u00b7 dry zone \u2014 IP54 often adequate<\/div>\n

Rotary packaging indexers (star wheels, rotary tables) index to \u00b10.5\u00b0 repeatability at 20\u201360 stations per minute. The drive is typically in the dry packaging zone \u2014 away from the wet food zone \u2014 where IP54 is adequate if the packaging zone is not washed down with the food line. Indexing accuracy is defined by backlash: <8 arcmin gives 0.13\u00b0 of dead band, well within \u00b10.5\u00b0 tolerance.<\/p>\n

\u2192 EP-ZDE-120, 16:1, IP54 (dry zone) or EP-ZDS-115 (shared washdown zone)<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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AUGER \/
\nSCREW FEEDER<\/div>\n
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High torque at very low speed \u00b7 dose weight accuracy \u00b7 CIP washdown<\/div>\n

Auger screw feeders for powder, granule, and viscous product dosing operate at 5\u201330 rpm with torques of 100\u2013400 N\u00b7m. The servo system controls rotational angle to achieve dose weight accuracy (typically \u00b10.5\u20132%). The auger is inside the product zone \u2014 the drive is just outside, subject to CIP washdown. High ratio (25\u201364:1) is typical; verify EP series rated torque at the selected ratio covers the maximum product resistance torque with SF=2.0.<\/p>\n

\u2192 EP-ZDS-115, 25:1 or 32:1, IP65, FKM seals<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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CAPPING \/
\nSEALING<\/div>\n
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Moderate torque \u00b7 high speed \u00b7 torque-controlled mode critical for cap integrity<\/div>\n

Capping turrets apply closures at 60\u2013300 caps per minute. The servo must deliver accurate torque (to prevent under-torque leaks and over-torque cracks) rather than position. Backlash is less critical than torque accuracy. Speed priority (60\u2013120 rpm output) means lower ratios (5:1 to 10:1). The drive is typically in a partially enclosed area away from direct washdown \u2014 IP54 may be adequate, but IP65 is always safer for 24\/7 food lines.<\/p>\n

\u2192 EP-ZDE-80, 5:1 or 8:1, IP54\/65 per zone assessment<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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LABEL
\nAPPLICATOR<\/div>\n
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High speed, very light load \u00b7 speed precision for label pitch \u00b7 dry zone<\/div>\n

Label dispenser roll drives operate at 200\u2013600 rpm output with torques of 10\u201330 N\u00b7m. Speed accuracy controls label pitch and placement. Typically installed in the dry packaging zone with no direct washdown exposure. EP-ZDE-60 or EP-ZDE-80 at 3:1 to 8:1 is the standard specification \u2014 small, light, efficient, with sufficient speed range. IP54 is typically adequate in the dry label application zone.<\/p>\n

\u2192 EP-ZDE-60, 3:1 or 5:1, IP54 (dry packaging zone)<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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FREEZE
\nTUNNEL<\/div>\n
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Low temperature operation \u00b7 condensation risk \u00b7 IP65 for thermal cycling<\/div>\n

Conveyor drives inside IQF freeze tunnels operate at \u221235\u00b0C to \u221225\u00b0C ambient. EP series rated to \u221225\u00b0C minimum with PAO grease \u2014 which remains fluid at low temperatures without modification. Start-up from cold: use reduced-speed warm-up for 2\u20133 minutes before applying full load. Condensation forms on the gearbox as it exits the freeze tunnel \u2014 IP65 prevents moisture ingress during thermal cycling. FKM seals maintain their sealing force at low temperatures (superior to NBR which stiffens at \u221215\u00b0C).<\/p>\n

\u2192 EP-ZDS-115, 16:1, IP65, FKM seals \u2014 mandatory for freeze tunnel<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\"Korea<\/p>\n
Korea Ever-Power manufactures EP-ZDS series IP65 precision planetary gearboxes with FKM seals for food processing applications. Every unit undergoes IP65 seal integrity testing before shipment. Matched pairs for differential-drive AGVs, food-grade lubricant (NSF H1) options, and stainless steel shroud components are available on request. View EP-ZDS specifications \u2192<\/strong><\/div>\n<\/div>\n

<\/p>\n

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Complete Food Processing EP Series Selection Matrix<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Application<\/th>\nT_req
\n(N\u00b7m)<\/th>\n		n_out
\n(rpm)<\/th>\n		Ratio i<\/th>\nIP<\/th>\nSeal<\/th>\nRecommended EP<\/th>\nKey Driver<\/th>\n<\/tr>\n<\/thead>\n
Wet zone conveyor<\/td>\n50\u2013200<\/td>\n10\u201330<\/td>\n16\u201320:1<\/td>\nIP65<\/td>\nFKM<\/td>\nEP-ZDS-115<\/a><\/td>\nDaily washdown<\/td>\n<\/tr>\n
Dough mixer (50L)<\/td>\n300\u2013500<\/td>\n20\u201330<\/td>\n100:1<\/td>\nIP65<\/td>\nFKM<\/td>\nEP-ZDS-115, 3-stage<\/td>\nHigh torque + washdown<\/td>\n<\/tr>\n
Filling machine, dry zone<\/td>\n20\u201360<\/td>\n15\u201330<\/td>\n10\u201316:1<\/td>\nIP54<\/td>\nNBR<\/td>\nEP-ZDE-80\/120<\/a><\/td>\nDose accuracy; BL<8<\/td>\n<\/tr>\n
Filling machine, wet zone<\/td>\n30\u201380<\/td>\n15\u201330<\/td>\n10\u201316:1<\/td>\nIP65<\/td>\nFKM<\/td>\nEP-ZDS-115<\/td>\nIP65 + dose accuracy<\/td>\n<\/tr>\n
Packaging indexer<\/td>\n50\u2013120<\/td>\n20\u201360<\/td>\n16:1<\/td>\nIP54<\/td>\nNBR<\/td>\nEP-ZDE-120<\/td>\nIndex accuracy \u00b10.5\u00b0<\/td>\n<\/tr>\n
Auger screw feeder<\/td>\n100\u2013300<\/td>\n5\u201320<\/td>\n25\u201364:1<\/td>\nIP65<\/td>\nFKM<\/td>\nEP-ZDS-115, 2-stage<\/td>\nHigh torque + dose weight<\/td>\n<\/tr>\n
Capping \/ sealing<\/td>\n20\u201360<\/td>\n60\u2013120<\/td>\n5\u201310:1<\/td>\nIP54\/65<\/td>\nNBR\/FKM<\/td>\nEP-ZDE-80<\/td>\nSpeed + torque control<\/td>\n<\/tr>\n
Label applicator<\/td>\n10\u201325<\/td>\n200\u2013400<\/td>\n3\u20138:1<\/td>\nIP54<\/td>\nNBR<\/td>\nEP-ZDE-60<\/a><\/td>\nHigh speed, light load<\/td>\n<\/tr>\n
Freeze tunnel conveyor<\/td>\n50\u2013150<\/td>\n5\u201320<\/td>\n16:1<\/td>\nIP65<\/td>\nFKM<\/td>\nEP-ZDS-115<\/td>\n\u221225\u00b0C + condensation IP65<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

<\/p>\n

\"Planetary<\/p>\n
EP series precision planetary gearboxes serve the full range of Korean food and agricultural processing machinery \u2014 from light packaging servo axes to heavy mixer drives and freeze tunnel conveyors. The selection principle is consistent: wherever HACCP washdown occurs, specify IP65 (EP-ZDS) with FKM seals.<\/div>\n<\/div>\n

<\/p>\n

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Food Processing Gearbox Specification Checklist \u2014 Six Parameters to Verify<\/h2>\n
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01<\/div>\n
Washdown Protocol \u2014 IP Rating Requirement<\/div>\n

Identify the washdown pressure, frequency, and chemicals used in the gearbox installation zone. Any direct-jet washdown (HACCP hose-down): specify IP65 (EP-ZDS). Mist-only or no washdown in the gearbox zone: IP54 (EP-ZDE) acceptable.<\/p>\n<\/div>\n

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02<\/div>\n
Disinfectant Chemistry \u2014 Seal Material<\/div>\n

Identify primary disinfectant: PAA, NaOH, chlorine, or QAC. If PAA or high-concentration chlorine: FKM seals mandatory \u2014 specify explicitly in order. If NaOH or QAC only: NBR acceptable. When uncertain: always specify FKM.<\/p>\n<\/div>\n

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03<\/div>\n
Food Contact Zone \u2014 Lubricant Classification<\/div>\n

If gearbox is positioned where lubricant leakage could contact food (Zone 1): specify NSF H1 food-grade grease (reduces rated life ~30%). If gearbox is in splash zone or completely separated from product (Zone 2\/3): standard EP series grease acceptable. Document the zone classification in the HACCP plan.<\/p>\n<\/div>\n

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04<\/div>\n
Operating Temperature Range<\/div>\n

Verify the gearbox operating temperature range covers the application: \u221225\u00b0C (freeze tunnel minimum) to +90\u00b0C (housing temperature at rated load). For CIP\/SIP: confirm that washdown temperature \u2264 FKM seal limit (200\u00b0C) \u2014 always satisfied. For \u221225\u00b0C start: reduce start-up load for 2\u20133 min warm-up.<\/p>\n<\/div>\n

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05<\/div>\n
Torque and Drive Ratio<\/div>\n

Calculate peak drive torque at maximum product resistance (high-viscosity batch filling, dough mixer start-up). Apply SF=2.0 for standard food processing. High-viscosity mixers may need SF=2.5. Verify EP series rated torque at the selected ratio. For ratios above 64:1: three-stage EP or two-unit cascade required.<\/p>\n<\/div>\n

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06<\/div>\n
Maintenance Schedule in Washdown Environment<\/div>\n

Inspect output shaft seal monthly in washdown zones (rather than standard 500h interval). Any grease visible outside the housing = immediate investigation. Record housing temperature at each inspection \u2014 temperature rise in IP65 unit is an early indicator of bearing wear despite sealed housing integrity.<\/p>\n<\/div>\n<\/div>\n<\/section>\n


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Specifying EP Series for a HACCP-Certified Food Processing Line?<\/div>\n

Korea Ever-Power application engineering provides food processing gearbox specifications including IP rating assessment, FKM seal confirmation, food-grade lubricant availability, and NSF H1 grease options. Provide your application type, washdown protocol, disinfectant chemistry, and operating temperature range for a complete EP series recommendation in Korean and English.<\/p>\n<\/div>\n

Request Food Processing Specification \u2192<\/a><\/p>\n
sales@planetary-gearboxes.com<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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EP Series for Food Processing Applications<\/div>\n
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S\u00e9rie EP-ZDS<\/div>\n
Wet\/washdown zones<\/strong> \u00b7 IP65<\/strong> \u00b7 FKM seals available \u00b7 1,800 N\u00b7m \u00b7 \u221225\u00b0C to +90\u00b0C \u00b7 the only EP series for HACCP zones<\/div>\n

Afficher les sp\u00e9cifications \u2192<\/a><\/p>\n<\/div>\n

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S\u00e9rie EP-ZDE<\/div>\n
Dry packaging \/ enclosed zones<\/strong> \u00b7 IP54 \u00b7 <8 arcmin BL for dose accuracy \u00b7 96% efficiency \u00b7 ratio 3:1 to 516:1<\/div>\n

Afficher les sp\u00e9cifications \u2192<\/strong><\/p>\n<\/div>\n

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EP-ZDF Series<\/div>\n
Square flange inline \u00b7 same specs as EP-ZDE \u00b7 bolt-on plate mount<\/strong> for fabricated food machine frames without bore machining<\/div>\n

Afficher les sp\u00e9cifications \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

Browse all 5 EP series \u2192<\/a><\/div>\n<\/div>\n<\/section>\n

\u00c9diteur : Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Korea Ever-Power Food Processing Application Guide Precision Planetary Gearbox for Food Processing \u2014 HACCP Washdown, IP Rating, and Hygienic Drive Selection Guide Food processing machinery runs in environments that destroy standard industrial precision planetary gearboxes within 2,000 hours: daily high-pressure washdown with caustic soda and peracetic acid, temperature swings from \u221225\u00b0C in freeze tunnels to […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[965],"tags":[],"class_list":["post-739","post","type-post","status-publish","format-standard","hentry","category-application-and-technical-guid"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/posts\/739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/comments?post=739"}],"version-history":[{"count":1,"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/posts\/739\/revisions"}],"predecessor-version":[{"id":740,"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/posts\/739\/revisions\/740"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/media?parent=739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/categories?post=739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/fr\/wp-json\/wp\/v2\/tags?post=739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}