{"id":760,"date":"2026-06-03T02:22:05","date_gmt":"2026-06-03T02:22:05","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=760"},"modified":"2026-06-03T02:22:05","modified_gmt":"2026-06-03T02:22:05","slug":"planetary-gearbox-backlash-explained-arcmin-linear-error","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/cs\/planetary-gearbox-backlash-explained-arcmin-linear-error\/","title":{"rendered":"Vysv\u011btlen\u00ed v\u016fle planetov\u00e9 p\u0159evodovky: Pr\u016fvodce line\u00e1rn\u00ed chybou z \u00fahlov\u00fdch minut na mm"},"content":{"rendered":"
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Korea Ever-Power<\/span>
\nTechnick\u00fd hloubkov\u00fd ponor<\/span><\/div>\n

Vysv\u011btlen\u00ed v\u016fle planetov\u00e9 p\u0159evodovky: Co \u00fahlov\u00e9 minuty skute\u010dn\u011b znamenaj\u00ed p\u0159i va\u0161em polom\u011bru zat\u00ed\u017een\u00ed<\/h1>\n

Specifikace v\u016fle pro p\u0159esn\u00e9 planetov\u00e9 p\u0159evodovky a servoredukce jsou uvedeny v \u00fahlov\u00fdch minut\u00e1ch. Strojn\u00ed in\u017een\u00fd\u0159i v\u0161ak nepo\u010d\u00edtaj\u00ed v \u00fahlov\u00fdch minut\u00e1ch \u2013 ud\u00e1vaj\u00ed v milimetrech. Hodnota v\u016fle 8 \u00fahlov\u00fdch minut nic neznamen\u00e1, dokud nezn\u00e1te polom\u011br zat\u00ed\u017een\u00ed. P\u0159i 500 mm to p\u0159edstavuje chybu polohov\u00e1n\u00ed 1,16 mm. P\u0159i 100 mm je to pouze 0,23 mm. Tato p\u0159\u00edru\u010dka p\u0159ev\u00e1d\u00ed \u010d\u00edsla, vysv\u011btluje, co je skute\u010dn\u011b zp\u016fsobuje, a ukazuje, jak specifikovat spr\u00e1vn\u00fd stupe\u0148 p\u0159esnosti, ani\u017e byste museli platit za p\u0159esnost, kterou nem\u016f\u017eete pou\u017e\u00edt.<\/p>\n

Vy\u017e\u00e1dejte si bezplatnou kontrolu specifikace v\u016fle \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Co je vlastn\u011b zp\u011btn\u00e1 reakce \u2013 a jak se m\u011b\u0159\u00ed<\/h2>\n

V p\u0159esn\u00e9 planetov\u00e9 p\u0159evodovce je v\u016fle \u00fahlov\u00e1 v\u016fle m\u011b\u0159iteln\u00e1 na v\u00fdstupn\u00edm h\u0159\u00eddeli, kdy\u017e je vstupn\u00ed h\u0159\u00eddel dr\u017eena v klidu a v\u00fdstup je st\u0159\u00eddav\u011b zat\u011b\u017eov\u00e1n v kladn\u00e9m a z\u00e1porn\u00e9m sm\u011bru mal\u00fdm zku\u0161ebn\u00edm momentem. Jedn\u00e1 se o celkovou \u00fahlovou mrtvou z\u00f3nu, kterou v\u00fdstupn\u00ed h\u0159\u00eddel proch\u00e1z\u00ed p\u0159i zm\u011bn\u011b sm\u011bru zat\u00ed\u017een\u00ed \u2013 mezera mezi zuby ozuben\u00e9ho kola v z\u00e1b\u011bru, vyj\u00e1d\u0159en\u00e1 jako \u00fahlov\u00fd ekvivalent na v\u00fdstupn\u00edm h\u0159\u00eddeli.<\/p>\n

Standardn\u00ed zku\u0161ebn\u00ed metoda (podle normy ISO 9283 a v souladu s normami DIN EN 61800 pro servopohony) aplikuje zat\u00ed\u017een\u00ed rovn\u00e9 \u00b13% p\u0159\u00edpustn\u00e9ho v\u00fdstupn\u00edho to\u010div\u00e9ho momentu p\u0159evodovky. Tato specifick\u00e1 \u00farove\u0148 zat\u00ed\u017een\u00ed je zvolena z\u00e1m\u011brn\u011b: je dostate\u010dn\u011b velk\u00e1, aby pln\u011b pokryla jakoukoli geometrickou v\u016fli v z\u00e1b\u011bru ozuben\u00fdch kol, ale z\u00e1rove\u0148 dostate\u010dn\u011b mal\u00e1, aby torzn\u00ed pru\u017en\u00e9 vych\u00fdlen\u00ed sou\u010d\u00e1st\u00ed p\u0159evodovky bylo zanedbateln\u00e9 \u2013 m\u011b\u0159\u00ed se tedy \u010dist\u00e1 geometrick\u00e1 v\u016fle, nikoli kombinace v\u016fle a tuhosti.<\/p>\n

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Pro\u010d \u00fahlov\u00e9 minuty \u2013 ne stupn\u011b nebo milimetry?<\/div>\n

P\u0159evodovky jsou rota\u010dn\u00ed za\u0159\u00edzen\u00ed. Jejich inherentn\u00ed specifikace p\u0159esnosti mus\u00ed b\u00fdt \u00fahlov\u00e1. Stupn\u011b jsou p\u0159\u00edli\u0161 hrub\u00e9 \u2013 p\u0159esn\u00e1 p\u0159evodovka s v\u016fl\u00ed 0,133\u00b0 se zd\u00e1 b\u00fdt velk\u00e1, ale to je pouze 8 \u00fahlov\u00fdch minut, co\u017e je velmi standardn\u00ed specifikace. \u00dahlov\u00e9 minuty poskytuj\u00ed spr\u00e1vn\u00e9 rozli\u0161en\u00ed: 1 \u00fahlov\u00e1 minuta = 1\/60 stupn\u011b = p\u0159ibli\u017en\u011b 0,0167\u00b0. Ekvivalentem metrick\u00e9ho syst\u00e9mu pro \u00fahlovou chybu jsou miliradi\u00e1ny (mrad), ale \u00fahlov\u00e9 minuty dominuj\u00ed v pr\u016fmyslu planetov\u00fdch p\u0159evodovek a v\u0161echny datov\u00e9 listy \u0159ady EP jsou uv\u00e1d\u011bny v \u00fahlov\u00fdch minut\u00e1ch.<\/p>\n<\/div>\n

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Postup m\u011b\u0159en\u00ed v praxi<\/div>\n

Pevn\u011b \u200b\u200bupevn\u011bte vstupn\u00ed h\u0159\u00eddel p\u0159evodovky. Na v\u00fdstupn\u00ed h\u0159\u00eddel p\u0159ipevn\u011bte p\u0159esnou momentovou p\u00e1ku ve zn\u00e1m\u00e9m polom\u011bru. Aplikujte kladn\u00fd zku\u0161ebn\u00ed moment rovn\u00fd jmenovit\u00e9mu momentu 3% a ode\u010dt\u011bte \u00fahlovou polohu (enkod\u00e9r nebo \u00fachylkom\u011br). Aplikujte z\u00e1porn\u00fd zku\u0161ebn\u00ed moment stejn\u00e9 velikosti a znovu ode\u010dt\u011bte hodnotu. Celkov\u00e9 \u00fahlov\u00e9 posunut\u00ed mezi ob\u011bma ode\u010dten\u00fdmi hodnotami je hodnota v\u016fle. Spole\u010dnost Korea Ever-Power m\u011b\u0159\u00ed a certifikuje v\u016fli u ka\u017ed\u00e9 jednotky \u0159ady EP p\u0159ed odesl\u00e1n\u00edm, p\u0159i\u010dem\u017e m\u011b\u0159en\u00ed se prov\u00e1d\u00ed p\u0159i standardn\u00edm zku\u0161ebn\u00edm zat\u00ed\u017een\u00ed \u00b13%.<\/p>\n<\/div>\n<\/div>\n

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P\u0159evod jednotek: \u00fahlov\u00fd minut \u2194 stupn\u011b \u2194 radi\u00e1ny<\/div>\n
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1 \u00fahlov\u00e1 minuta = 1\/60 stupn\u011b = 0,01667\u00b0 = 0,000291 radi\u00e1n\u016f<\/div>\n
8 \u00fahlov\u00fdch minut = 0,1333\u00b0 = 0,002327 radi\u00e1n\u016f<\/div>\n
Line\u00e1rn\u00ed chyba na polom\u011bru R: E_linear = R \u00d7 tan(\u03b8_rad)<\/div>\n
Pro mal\u00e9 \u00fahly: E_linear \u2248 R \u00d7 \u03b8_rad (chyba <0,01% pro v\u016fli <60 arcmin)<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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\"V\u00fdkres<\/p>\n
Pr\u016f\u0159ez p\u0159esnou planetovou p\u0159evodovkou \u0159ady EP zobrazuj\u00edc\u00ed t\u0159\u00edbodov\u00fd ozuben\u00fd z\u00e1b\u011br, kde se m\u011b\u0159\u00ed v\u016fle. Zobrazit specifikace \u0159ady EP \u2192<\/a><\/div>\n<\/div>\n

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Tabulka, kterou pot\u0159ebuje ka\u017ed\u00fd in\u017een\u00fdr servop\u0159evodovek \u2013 line\u00e1rn\u00ed chyba od \u00fahlov\u00fdch minut do milimetr\u016f p\u0159i p\u011bti polom\u011brech zat\u00ed\u017een\u00ed<\/h2>\n

N\u00e1sleduj\u00edc\u00ed tabulka p\u0159ev\u00e1d\u00ed v\u0161echny standardy servo p\u0159evodovka<\/strong> specifikace v\u016fle \u2013 od ultrap\u0159esn\u00e9 p\u0159i 1 \u00fahlov\u00e9 minut\u011b a\u017e po standardn\u00ed p\u0159i 30 \u00fahlov\u00fdch minut\u00e1ch \u2013 a\u017e po skute\u010dnou chybu line\u00e1rn\u00edho polohov\u00e1n\u00ed p\u0159i p\u011bti praktick\u00fdch polom\u011brech zat\u00ed\u017een\u00ed. V\u0161echny hodnoty jsou vypo\u010d\u00edt\u00e1ny pomoc\u00ed p\u0159esn\u00e9ho vzorce E = R \u00d7 tan(\u03b8), kde \u03b8 je \u00fahel v\u016fle v radi\u00e1nech. Pro typick\u00e9 hodnoty v\u016fle p\u0159esn\u00e9 planetov\u00e9 p\u0159evodovky pod 30 \u00fahlov\u00fdch minut zav\u00e1d\u00ed aproximace mal\u00e9ho \u00fahlu chybu men\u0161\u00ed ne\u017e 0,01%.<\/p>\n

Polom\u011br zat\u00ed\u017een\u00ed je vzd\u00e1lenost od st\u0159edov\u00e9 osy v\u00fdstupn\u00edho h\u0159\u00eddele p\u0159evodovky k bodu, kde se m\u011b\u0159\u00ed nebo vy\u017eaduje p\u0159esnost polohov\u00e1n\u00ed \u2013 nap\u0159\u00edklad \u0161pi\u010dka robotick\u00e9ho ramene, \u0159ezn\u00fd n\u00e1stroj CNC v\u0159etena nebo kontaktn\u00ed bod hnac\u00edho v\u00e1le\u010dku dopravn\u00edku.<\/p>\n

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V\u016fle<\/th>\n\u00dahel (\u00b0)<\/th>\nR = 50 mm<\/th>\nR = 100 mm<\/th>\nR = 200 mm<\/th>\nR = 500 mm<\/th>\nR = 1 000 mm<\/th>\nS\u00e9rie EP<\/th>\n<\/tr>\n<\/thead>\n
<1 \u00fahlov\u00e1 minuta<\/td>\n0,017\u00b0<\/td>\n0,015 mm<\/td>\n0,029 mm<\/td>\n0,058 mm<\/td>\n0,145 mm<\/td>\n0,291 mm<\/td>\nUltrap\u0159esn\u00e9 zak\u00e1zkov\u00e9 proveden\u00ed<\/td>\n<\/tr>\n
<3 \u00fahlov\u00fdch minut<\/td>\n0,050\u00b0<\/td>\n0,044 mm<\/td>\n0,087 mm<\/td>\n0,175 mm<\/td>\n0,436 mm<\/td>\n0,873 mm<\/td>\nVysoce p\u0159esn\u00e9 CNC \/ laserov\u00e9<\/td>\n<\/tr>\n
<5 \u00fahlov\u00fdch minut<\/td>\n0,083\u00b0<\/td>\n0,073 mm<\/td>\n0,145 mm<\/td>\n0,291 mm<\/td>\n0,727 mm<\/td>\n1,454 mm<\/td>\nObecn\u00e9 polohov\u00e1n\u00ed serv<\/td>\n<\/tr>\n
<8 \u00fahlov\u00fdch minut \u2605<\/td>\n0,133\u00b0<\/td>\n0,116 mm<\/td>\n0,233 mm<\/td>\n0,465 mm<\/td>\n1,164 mm<\/td>\n2,327 mm<\/td>\nEP-ZDE \/ EP-ZDF (r\u00e1me\u010dky 60\u2013160); EP-ZDS (v\u0161e)<\/td>\n<\/tr>\n
<12 \u00fahlov\u00fdch minut<\/td>\n0,200\u00b0<\/td>\n0,175 mm<\/td>\n0,349 mm<\/td>\n0,698 mm<\/td>\n1,745 mm<\/td>\n3,491 mm<\/td>\nEP-ZDE-40; EP-ZDE 2stup\u0148ov\u00fd<\/td>\n<\/tr>\n
<15 \u00fahlov\u00fdch minut<\/td>\n0,250\u00b0<\/td>\n0,218 mm<\/td>\n0,436 mm<\/td>\n0,873 mm<\/td>\n2,182 mm<\/td>\n4,363 mm<\/td>\nEP-ZDE t\u0159\u00edstup\u0148ov\u00e9; dopravn\u00edky<\/td>\n<\/tr>\n
<25 \u00fahlov\u00fdch minut \u25b2<\/td>\n0,417\u00b0<\/td>\n0,364 mm<\/td>\n0,727 mm<\/td>\n1,454 mm<\/td>\n3,636 mm<\/td>\n7,272 mm<\/td>\nEP-ZDWE \/ EP-ZDWF (80\u2013160, 1stup\u0148ov\u00fd)<\/td>\n<\/tr>\n
<30 \u00fahlov\u00fdch minut \u25b2<\/td>\n0,500\u00b0<\/td>\n0,436 mm<\/td>\n0,873 mm<\/td>\n1,745 mm<\/td>\n4,363 mm<\/td>\n8,727 mm<\/td>\nEP-ZDWE-60 (1stup\u0148ov\u00fd)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u2605 = Standardn\u00ed t\u0159\u00edda p\u0159esnosti pro \u0159adov\u00e9 p\u0159evodovky EP-ZDE\/ZDF\/ZDS. \u25b2 = \u0158ada s pravo\u00fahl\u00fdm vstupem (ZDWE\/ZDWF) \u2013 \u0161ir\u0161\u00ed d\u00edky p\u0159\u00edsp\u011bvku stupn\u011b ku\u017eelov\u00e9ho p\u0159evodu. Hodnoty vypo\u010dten\u00e9 z E = R \u00d7 tan(\u03b8), kde \u03b8 = v\u016fle v radi\u00e1nech.<\/p>\n

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\u010cten\u00ed t\u00e9to tabulky pro re\u00e1lnou aplikaci<\/div>\n

Kolaborativn\u00ed robotick\u00fd z\u00e1p\u011bstn\u00ed kloub s polom\u011brem ramene 400 mm, vyu\u017e\u00edvaj\u00edc\u00ed EP-ZDWE-80 p\u0159i <25 \u00fahlov\u00fdch minut\u00e1ch<\/a>, bude m\u00edt maxim\u00e1ln\u00ed chybu polohov\u00e1n\u00ed vyvolanou v\u016fl\u00ed na koncov\u00e9m efektoru p\u0159ibli\u017en\u011b 400 mm \u00d7 tan(25\/60 \u00d7 \u03c0\/180) = 2,91 mm<\/strong>U robota \u0159\u00edzen\u00e9ho servopohonem v re\u017eimu polohov\u00e1n\u00ed s uzav\u0159enou smy\u010dkou nen\u00ed tato chyba 2,91 mm trvalou \u2013 jedn\u00e1 se o p\u00e1smo necitlivosti p\u0159i obr\u00e1cen\u00ed sm\u011bru. Servoregul\u00e1tor to kompenzuje zp\u011btnou vazbou polohy z enkod\u00e9ru motoru. Jak\u00e9koli vn\u011bj\u0161\u00ed ru\u0161en\u00ed b\u011bhem zadr\u017eovac\u00ed polohy (pot\u00e9, co enkod\u00e9r potvrd\u00ed polohu) v\u0161ak m\u016f\u017ee zp\u016fsobit drift a\u017e 2,91 mm, pokud zat\u011b\u017eovac\u00ed moment zp\u016fsob\u00ed, \u017ee se v\u00fdstupn\u00ed h\u0159\u00eddel pohybuje v p\u00e1smu necitlivosti v\u016fle, ani\u017e by to enkod\u00e9r motoru detekoval.<\/p>\n<\/div>\n<\/section>\n

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\u010cty\u0159i t\u0159\u00eddy p\u0159esnosti v\u016fle \u2013 p\u0159izp\u016fsoben\u00ed t\u0159\u00eddy po\u017eadavk\u016fm aplikace<\/h2>\n

Standardn\u00ed struktura t\u0159\u00edd p\u0159esnosti v pr\u016fmyslu pro p\u0159esn\u00e9 planetov\u00e9 p\u0159evodovky mapuje rozsahy v\u016fl\u00ed podle kategori\u00ed aplikac\u00ed. V\u00fdb\u011br spr\u00e1vn\u00e9 t\u0159\u00eddy je stejn\u011b d\u016fle\u017eit\u00fd jako nep\u0159esn\u00e1 specifikace: ultrap\u0159esn\u00e1 jednotka s p\u0159esnost\u00ed <1 arcmin stoj\u00ed 3\u20135kr\u00e1t v\u00edce ne\u017e standardn\u00ed p\u0159esn\u00e1 jednotka s p\u0159esnost\u00ed <8 arcmin stejn\u00e9 velikosti. Pokud je po\u017eadavek na p\u0159esnost va\u0161\u00ed aplikace spln\u011bn s p\u0159esnost\u00ed <8 arcmin, investice do jednotky s p\u0159esnost\u00ed <1 arcmin nep\u0159inese \u017e\u00e1dn\u00fd m\u011b\u0159iteln\u00fd p\u0159\u00ednos pro v\u00fdkon.<\/p>\n

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<1<\/div>\n
\u00fahlov\u00e1 minuta<\/div>\n<\/div>\n
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Ultrap\u0159esn\u00e9 \u2014 polovodi\u010dov\u00e9, optick\u00e9 zarovn\u00e1n\u00ed, robotika s p\u0159\u00edm\u00fdm pohonem<\/div>\n

P\u0159i polom\u011bru 100 mm vytv\u00e1\u0159\u00ed <1 \u00fahlov\u00e1 minuta pouze 0,029 mm mrtv\u00e9ho p\u00e1sma vyvolan\u00e9ho zp\u011btn\u00fdm chodem. Vy\u017eadov\u00e1no pro roboty pro manipulaci s polovodi\u010dov\u00fdmi desti\u010dkami (polohov\u00e1n\u00ed k\u0159em\u00edkov\u00e9ho \u010dipu s p\u0159esnost\u00ed na \u00b10,01 mm), p\u0159esn\u00e9 optick\u00e9 mont\u00e1\u017ee a robotiku s p\u0159\u00edm\u00fdm pohonem pro v\u00fdzkumn\u00e9 \u00fa\u010dely, kde je jak\u00e9koli mrtv\u00e9 p\u00e1smo nep\u0159ijateln\u00e9. Obvykle nen\u00ed k dispozici jako standardn\u00ed produkt \u0159ady EP \u2013 pro zak\u00e1zkovou specifikaci je nutn\u00e9 kontaktovat aplika\u010dn\u00ed in\u017een\u00fdrskou spole\u010dnost Korea Ever-Power.<\/p>\n<\/div>\n<\/div>\n

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1\u20133<\/div>\n
\u00fahlov\u00e1 minuta<\/div>\n<\/div>\n
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Vysok\u00e1 p\u0159esnost \u2014 CNC obr\u00e1b\u011bc\u00ed osy, laserov\u00e9 \u0159ezac\u00ed hlavy, p\u0159esn\u00e9 polohovac\u00ed stoly<\/div>\n

P\u0159i polom\u011bru 200 mm vytv\u00e1\u0159\u00ed <3 \u00fahlov\u00fdch minut maxim\u00e1ln\u00ed p\u00e1smo necitlivosti 0,175 mm. Vhodn\u00e9 pro CNC posuvn\u00e9 osy, kde je rozm\u011brov\u00e1 tolerance d\u00edlu \u00b10,01\u20130,1 mm, polohov\u00e1n\u00ed laserov\u00e9 \u0159ezac\u00ed hlavy, kde je \u0161\u00ed\u0159ka \u0159ezn\u00e9 sp\u00e1ry 0,2\u20130,5 mm, a v\u00edceos\u00e9 servopohonov\u00e9 polohovac\u00ed stoly v korejsk\u00fdch mont\u00e1\u017en\u00edch za\u0159\u00edzen\u00edch elektroniky. Zp\u011btnovazebn\u00ed smy\u010dka polohy serva snadno kompenzuje v\u016fli na t\u00e9to \u00farovni za norm\u00e1ln\u00edho provozu.<\/p>\n<\/div>\n<\/div>\n

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3\u20138<\/div>\n
\u00fahlov\u00e1 minuta<\/div>\n<\/div>\n
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Standardn\u00ed p\u0159esnost \u2014 EP-ZDE\/ZDF\/ZDS: V\u0161eobecn\u00e1 pr\u016fmyslov\u00e1 automatizace, robotick\u00e9 klouby, pohony AGV \u2605 Nejb\u011b\u017en\u011bj\u0161\u00ed<\/div>\n

Toto je specifika\u010dn\u00ed rozsah \u0159ad EP-ZDE, EP-ZDF a EP-ZDS (r\u00e1my 60\u2013190 u jednoho stupn\u011b). P\u0159i polom\u011bru 100 mm znamen\u00e1 <8 \u00fahlov\u00fdch minut maxim\u00e1ln\u00ed p\u00e1smo necitlivosti 0,233 mm \u2013 co\u017e je zcela dosta\u010duj\u00edc\u00ed pro polohov\u00e1n\u00ed pr\u016fmyslov\u00fdch robot\u016f, obecn\u00e9 indexov\u00e1n\u00ed automatizace a servopohony dopravn\u00edk\u016f. Standardn\u00ed t\u0159\u00edda p\u0159edstavuje nejlep\u0161\u00ed hodnotu pro drtivou v\u011bt\u0161inu korejsk\u00fdch aplikac\u00ed servo automatizace. Pro aplikace, kde z\u00e1le\u017e\u00ed na n\u00e1kladech a po\u017eadavky na polohov\u00e1n\u00ed jsou m\u00edrn\u00e9, poskytuje tato t\u0159\u00edda konzistentn\u00ed v\u00fdkon bez nutnosti platit za alternativy s men\u0161\u00ed toleranc\u00ed.<\/p>\n<\/div>\n<\/div>\n

\n
\n
8\u201330<\/div>\n
\u00fahlov\u00e1 minuta<\/div>\n<\/div>\n
\n
\u00dasporn\u00fd \/ pravo\u00fahl\u00fd vstup \u2014 EP-ZDWE\/ZDWF, EP-ZDE-40, v\u00edcestup\u0148ov\u00e9 jednotky<\/div>\n

\u0158ady pravo\u00fahl\u00fdch vstup\u016f EP-ZDWE a EP-ZDWF spadaj\u00ed do t\u00e9to \u0159ady d\u00edky vstupn\u00edmu stupni s ku\u017eelov\u00fdm ozuben\u00fdm kolem, kter\u00fd p\u0159id\u00e1v\u00e1 \u00fahlovou v\u016fli. Specifikace <25\u201330 \u00fahlov\u00fdch minut nen\u00ed kvalitativn\u00ed nedostatkem \u2013 je to inherentn\u00ed charakteristika konstrukc\u00ed vstup\u016f s ku\u017eelov\u00fdm ozuben\u00fdm kolem u v\u0161ech v\u00fdrobc\u016f. Pro servo\u0159\u00edzen\u00e9 osy, kde polohovac\u00ed smy\u010dka kompenzuje v\u016fli p\u0159evodovky, je tato \u0159ada pln\u011b funk\u010dn\u00ed. Kde nen\u00ed vhodn\u00e1: syst\u00e9my krokov\u00fdch motor\u016f s otev\u0159enou smy\u010dkou, kde se v\u016fle p\u0159\u00edmo st\u00e1v\u00e1 chybou polohov\u00e1n\u00ed bez kompenzace zp\u011btn\u00e9 vazby.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\"P\u0159esn\u00e9<\/p>\n
\u0158ada EP pokr\u00fdv\u00e1 standardn\u00ed p\u0159esnost (<8 \u00fahlov\u00fdch minut, EP-ZDE\/ZDF), pravo\u00fahl\u00fd vstup (<25\u201330 \u00fahlov\u00fdch minut, EP-ZDWE\/ZDWF) a vysokou tuhost IP65 (<8 \u00fahlov\u00fdch minut p\u0159i 1 800 N\u00b7m, EP-ZDS).<\/div>\n<\/div>\n

<\/p>\n

\n

V\u016fle vs. torzn\u00ed tuhost \u2013 dv\u011b r\u016fzn\u00e9 p\u0159\u00ed\u010diny chyby polohov\u00e1n\u00ed, kter\u00e9 si in\u017een\u00fd\u0159i \u010dasto pletou<\/h2>\n

Jedn\u00edm z nejtrvalej\u0161\u00edch nedorozum\u011bn\u00ed ve specifikaci p\u0159esn\u00fdch planetov\u00fdch p\u0159evodovek je zach\u00e1zen\u00ed s v\u016fl\u00ed a torzn\u00ed tuhost\u00ed jako se stejn\u00fdm jevem. Nen\u00ed tomu tak. Ovliv\u0148uj\u00ed p\u0159esnost polohov\u00e1n\u00ed prost\u0159ednictv\u00edm zcela odli\u0161n\u00fdch fyzik\u00e1ln\u00edch mechanism\u016f, jsou specifikov\u00e1ny ve stejn\u00fdch jednotk\u00e1ch (\u00fahlov\u00e9 minuty na v\u00fdstupn\u00edm h\u0159\u00eddeli) a jejich z\u00e1m\u011bna vede k nespr\u00e1vn\u00e9mu v\u00fdb\u011bru p\u0159evodovky. Koup\u011b jednotky s men\u0161\u00ed v\u016fl\u00ed ne\u0159e\u0161\u00ed probl\u00e9m s torzn\u00ed tuhost\u00ed a naopak.<\/p>\n

\n
\n
V\u016fle<\/div>\n
\u00dahlov\u00e1 mrtv\u00e1 z\u00f3na p\u0159i nulov\u00e9 zat\u00ed\u017een\u00ed<\/strong>, m\u011b\u0159eno p\u0159i zm\u011bn\u011b sm\u011bru zat\u00ed\u017een\u00ed. \u010cist\u011b geometrick\u00e9 \u2013 zp\u016fsoben\u00e9 v\u016fl\u00ed mezi zuby ozuben\u00e9ho kola v z\u00e1b\u011bru. P\u0159\u00edtomn\u00e9 i v p\u0159\u00edpad\u011b, \u017ee nen\u00ed aplikov\u00e1n \u017e\u00e1dn\u00fd kroutic\u00ed moment.<\/div>\n
Kdy\u017e se objev\u00ed: P\u0159i zm\u011bn\u011b sm\u011bru, p\u0159ed op\u011btovn\u00fdm zat\u00ed\u017een\u00edm. V\u00fdstupn\u00ed h\u0159\u00eddel se \u201evoln\u011b pohybuje\u201c o \u00fahel v\u016fle.<\/div>\n<\/div>\n
\n
Torzn\u00ed tuhost<\/div>\n
Elastick\u00e9 proh\u00fdb\u00e1n\u00ed sou\u010d\u00e1st\u00ed p\u0159evodovky p\u0159i aplikovan\u00e9m zat\u00ed\u017een\u00ed<\/strong>Zp\u016fsobeno elasticitou materi\u00e1lu zub\u016f ozuben\u00fdch kol, h\u0159\u00eddel\u00ed a sk\u0159\u00edn\u00ed. Zvy\u0161uje se \u00fam\u011brn\u011b s aplikovan\u00fdm kroutic\u00edm momentem \u2013 \u010d\u00edm vy\u0161\u0161\u00ed je kroutic\u00ed moment, t\u00edm v\u011bt\u0161\u00ed je elastick\u00e1 \u00fahlov\u00e1 chyba.<\/div>\n
Kdy se objev\u00ed: P\u0159i jak\u00e9mkoli aplikovan\u00e9m zat\u00ed\u017een\u00ed, \u00fam\u011brn\u00e9 velikosti kroutic\u00edho momentu. Zmiz\u00ed po odstran\u011bn\u00ed zat\u00ed\u017een\u00ed (pru\u017en\u00e9, nikoli trval\u00e9).<\/div>\n<\/div>\n
\n
Celkov\u00e1 \u00fahlov\u00e1 chyba<\/div>\n
V re\u00e1ln\u00fdch servopohonn\u00fdch aplikac\u00edch je celkov\u00e1 chyba polohov\u00e1n\u00ed sou\u010dtem p\u0159\u00edsp\u011bvk\u016f obou os plus p\u0159\u00edsp\u011bvk\u016f enkod\u00e9ru a regul\u00e1toru. U dynamick\u00fdch os (rychl\u00e9 obraty, prom\u011bnn\u00e9 zat\u00ed\u017een\u00ed) m\u016f\u017ee p\u0159\u00edsp\u011bvek torzn\u00ed tuhosti p\u0159i vysok\u00fdch \u00farovn\u00edch kroutic\u00edho momentu p\u0159ekro\u010dit p\u0159\u00edsp\u011bvek v\u016fle.<\/div>\n
\u03b8_celkov\u00e1 \u2248 \u03b8_v\u016fle + \u03b8_elastick\u00e1 = \u03b8_v\u016fle + T\/Ct, kde Ct = torzn\u00ed tuhost [N\u00b7m\/\u00fahlov\u00fd minut]<\/div>\n<\/div>\n<\/div>\n

Kvantifikovan\u00e9 srovn\u00e1n\u00ed: EP-ZDE-160 vs. EP-ZDS-190 Elastick\u00e9 prohnut\u00ed p\u0159i prom\u011bnn\u00e9m zat\u00ed\u017een\u00ed<\/h3>\n

N\u00e1sleduj\u00edc\u00ed tabulka pou\u017e\u00edv\u00e1 vzorec \u03b8_elastic = T \/ Ct k zn\u00e1zorn\u011bn\u00ed, jak stejn\u00fd aplikovan\u00fd kroutic\u00ed moment vytv\u00e1\u0159\u00ed velmi odli\u0161n\u00e9 elastick\u00e9 \u00fahlov\u00e9 chyby ve standardn\u00ed p\u0159esn\u00e9 \u0159ad\u011b oproti \u0159ad\u011b s vysokou tuhost\u00ed. Toto jsou skute\u010dn\u00e1 data relevantn\u00ed pro specifikace oto\u010dn\u00fdch stol\u016f CNC a t\u011b\u017ek\u00fdch robotick\u00fdch spoj\u016f, kde \u0161pi\u010dkov\u00e9 \u0159ezn\u00e9 nebo manipula\u010dn\u00ed kroutic\u00ed momenty mohou dos\u00e1hnout 200\u2013800 N\u00b7m.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Pou\u017eit\u00fd kroutic\u00ed moment<\/th>\nEP-ZDE-160<\/a>
\nCt = 38 N\u00b7m\/\u00fahlovou minutu<\/span><\/th>\n		EP-ZDS-190<\/a>
\nCt = 130 N\u00b7m\/\u00fahlovou minutu<\/span><\/th>\n		Pom\u011br tuhosti<\/th>\nLine\u00e1rn\u00ed chyba ZDE-160
\np\u0159i R=200 mm<\/span><\/th>\n		Line\u00e1rn\u00ed chyba ZDS-190
\np\u0159i R=200 mm<\/span><\/th>\n<\/tr>\n<\/thead>\n
50 N\u00b7m<\/td>\n1,32 \u00fahlov\u00fdch minut<\/td>\n0,38 \u00fahlov\u00fdch minut<\/td>\n3,4\u00d7<\/td>\n0,077 mm<\/td>\n0,022 mm<\/td>\n<\/tr>\n
100 N\u00b7m<\/td>\n2,63 \u00fahlov\u00fdch minut<\/td>\n0,77 \u00fahlov\u00fdch minut<\/td>\n3,4\u00d7<\/td>\n0,153 mm<\/td>\n0,045 mm<\/td>\n<\/tr>\n
200 N\u00b7m<\/td>\n5,26 \u00fahlov\u00fdch minut<\/td>\n1,54 \u00fahlov\u00fdch minut<\/td>\n3,4\u00d7<\/td>\n0,306 mm<\/td>\n0,089 mm<\/td>\n<\/tr>\n
380 N\u00b7m
\n(t\u011b\u017ek\u00fd CNC \u0159ez)<\/span><\/td>\n		10,00 \u00fahlov\u00fdch minut<\/td>\n2,92 \u00fahlov\u00fdch minut<\/td>\n3,4\u00d7<\/td>\n0,582 mm<\/td>\n0,170 mm<\/td>\n<\/tr>\n
800 N\u00b7m<\/td>\n21,05 \u00fahlov\u00fdch minut<\/td>\n6,15 \u00fahlov\u00fdch minut<\/td>\n3,4\u00d7<\/td>\n1,225 mm<\/td>\n0,358 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n
D\u016fle\u017eit\u00fd poznatek: p\u0159i 380 N\u00b7m se samotn\u00e1 elastick\u00e1 deformace EP-ZDE-160 rovn\u00e1 10 \u00fahlov\u00fdm minut\u00e1m.<\/div>\n

In\u017een\u00fdr, kter\u00fd specifikuje jednotku EP-ZDE-160 s v\u016fl\u00ed <8 \u00fahlov\u00fdch minut pro aplikaci s t\u011b\u017ek\u00fdm CNC oto\u010dn\u00fdm stolem, m\u00e1 specifikaci v\u016fle spr\u00e1vnou \u2013 ale p\u0159i \u0161pi\u010dkov\u00e9m \u0159ezn\u00e9m momentu 380 N\u00b7m p\u0159id\u00e1v\u00e1 torzn\u00ed pru\u017en\u00e1 v\u00fdchylka dal\u0161\u00edch 10 \u00fahlov\u00fdch minut. Celkov\u00e1 \u00fahlov\u00e1 chyba na v\u00fdstupu p\u0159i zat\u00ed\u017een\u00ed je 18 \u00fahlov\u00fdch minut \u2013 v\u00edce ne\u017e dvojn\u00e1sobek specifikovan\u00e9 v\u016fle. Proto aplikace s vysokou p\u0159esnost\u00ed (velk\u00e9 CNC oto\u010dn\u00e9 stoly, t\u011b\u017ek\u00e9 robotick\u00e9 klouby, servopohony lis\u016f) vy\u017eaduj\u00ed \u0159adu EP-ZDS s Ct = 130 N\u00b7m\/\u00fahlovou minutu, nikoli pouze jednotku EP-ZDE s men\u0161\u00ed v\u016fl\u00ed. Jednotka EP-ZDS-190 p\u0159i stejn\u00e9m zat\u00ed\u017een\u00ed 380 N\u00b7m vytv\u00e1\u0159\u00ed pru\u017enou v\u016fli pouze 2,92 \u00fahlov\u00fdch minut \u2013 co\u017e p\u0159edstavuje 3,4\u00d7 zlep\u0161en\u00ed dynamick\u00e9 p\u0159esnosti.<\/p>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Jak se v\u016fle zvy\u0161uje v pr\u016fb\u011bhu \u017eivotnosti p\u0159evodovky \u2013 a co ji urychluje<\/h2>\n

P\u0159esn\u00e1 planetov\u00e1 p\u0159evodovka si neudr\u017euje svou po\u010d\u00e1te\u010dn\u00ed specifikaci v\u016fle donekone\u010dna. \u00dahlov\u00e9 p\u00e1smo necitlivosti se \u010dasem zv\u011bt\u0161uje, jak se opot\u0159ebov\u00e1vaj\u00ed boky zub\u016f ozuben\u00e9ho kola a lo\u017eiska una\u0161e\u010d\u016f planetov\u00fdch kol hromad\u00ed v\u016fli. Rychlost n\u00e1r\u016fstu siln\u011b z\u00e1vis\u00ed na provozn\u00edch podm\u00ednk\u00e1ch \u2013 spr\u00e1vn\u011b zat\u00ed\u017een\u00e1 a spr\u00e1vn\u011b mazan\u00e1 p\u0159evodovka pracuj\u00edc\u00ed v doporu\u010den\u00fdch pracovn\u00edch cyklech vykazuje za 20 000 hodin pouze m\u00edrn\u00e9 zv\u00fd\u0161en\u00ed v\u016fle. P\u0159et\u00ed\u017een\u00e1 nebo zne\u010di\u0161t\u011bn\u00e1 jednotka m\u016f\u017ee svou v\u016fli zdvojn\u00e1sobit za m\u00e9n\u011b ne\u017e 5 000 hodin.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Provozn\u00ed doba<\/th>\nP\u0159ibli\u017en\u00e1 v\u016fle
\nEP-ZDE-80, spr\u00e1vn\u011b nabit\u00fd<\/span><\/th>\n		Line\u00e1rn\u00ed chyba p\u0159i R = 300 mm<\/th>\nPozn\u00e1mky<\/th>\n<\/tr>\n<\/thead>\n
0 h (nov\u00e9)<\/td>\n7,5 \u00fahlov\u00fdch minut<\/td>\n0,654 mm<\/td>\nCertifikov\u00e1no v\u00fdrobcem p\u0159i jmenovit\u00e9m momentu \u00b131 TP3T<\/td>\n<\/tr>\n
2 000 hodin<\/td>\n8,0 \u00fahlov\u00fdch minut<\/td>\n0,698 mm<\/td>\nNorm\u00e1ln\u00ed z\u00e1b\u011bh dokon\u010den; po\u010d\u00e1te\u010dn\u00ed \u00faprava povrchu<\/td>\n<\/tr>\n
5 000 hodin<\/td>\n8,8 \u00fahlov\u00fdch minut<\/td>\n0,768 mm<\/td>\nUst\u00e1len\u00e1 m\u00edra opot\u0159eben\u00ed; rekordn\u00ed v\u00fdchoz\u00ed hodnota p\u0159i kontrole po 5 000 hodin\u00e1ch<\/td>\n<\/tr>\n
10 000 hodin<\/td>\n10,2 \u00fahlov\u00fdch minut<\/td>\n0,890 mm<\/td>\nSt\u00e1le v p\u0159ijateln\u00e9m rozsahu pro v\u011bt\u0161inu standardn\u00edch aplikac\u00ed<\/td>\n<\/tr>\n
15 000 hodin<\/td>\n12,5 \u00fahlov\u00fdch minut<\/td>\n1,091 mm<\/td>\nBl\u00ed\u017e\u00ed se pr\u00e1h nahrazov\u00e1n\u00ed pro vysoce p\u0159esn\u00e9 aplikace<\/td>\n<\/tr>\n
20 000 hodin (L10)<\/td>\n15,1 \u00fahlov\u00fdch minut<\/td>\n1,318 mm<\/td>\nJmenovit\u00e1 \u017eivotnost L10; napl\u00e1nujte si v\u00fdm\u011bnu p\u0159evodovky<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Ilustrativn\u00ed postup zalo\u017een\u00fd na longitudin\u00e1ln\u00edch datech z pr\u016fmyslu pro spr\u00e1vn\u011b specifikovan\u00e9 a zat\u00ed\u017een\u00e9 p\u0159esn\u00e9 planetov\u00e9 reduktory. Skute\u010dn\u00e9 hodnoty z\u00e1vis\u00ed na specifick\u00fdch podm\u00ednk\u00e1ch zat\u00ed\u017een\u00ed, pracovn\u00edm cyklu a okoln\u00edm prost\u0159ed\u00ed. Do\u017eivotn\u00ed maz\u00e1n\u00ed \u0159ady EP-ZDE\/ZDF v\u00fdrazn\u011b zpomaluje opot\u0159eben\u00ed h\u0159betu ozuben\u00e9ho kola oproti nespr\u00e1vn\u011b mazan\u00fdm jednotk\u00e1m.<\/p>\n

\u010cty\u0159i podm\u00ednky, kter\u00e9 urychluj\u00ed r\u016fst zp\u011btn\u00e9 reakce<\/h3>\n
\n
\n
\u2460 Provoz nad jmenovit\u00fdm momentem (bez servisn\u00edho faktoru)<\/div>\n

Boky zub\u016f planetov\u00fdch kol jsou vystaveny Hertzovu kontaktn\u00edmu nap\u011bt\u00ed nad jejich konstruk\u010dn\u00ed mez\u00ed \u00fanavy povrchu. Doch\u00e1z\u00ed k d\u016flkov\u00e9mu korozivn\u00edmu r\u00e1zu, kter\u00fd se zrychluje. V\u016fle se m\u016f\u017ee zdvojn\u00e1sobit b\u011bhem 3 000\u20135 000 hodin, nikoliv za 20 000. Toto je nej\u010dast\u011bj\u0161\u00ed urychlova\u010d r\u016fstu v\u016fle v korejsk\u00fdch servopohonn\u00fdch automatiza\u010dn\u00edch aplikac\u00edch.<\/p>\n<\/div>\n

\n
\u2461 Kontaminace nebo degradace maziva<\/div>\n

Vniknut\u00ed vody (zejm\u00e9na u jednotek s kryt\u00edm IP54 vystaven\u00fdch p\u0159\u00edm\u00e9mu myt\u00ed) emulguje mazivo po celou dobu \u017eivotnosti a sni\u017euje pevnost jeho filmu. Kovov\u00e9 opot\u0159eben\u00ed zp\u016fsoben\u00e9 p\u0159ed\u010dasn\u00fdm p\u0159et\u00ed\u017een\u00edm vytv\u00e1\u0159\u00ed abrazivn\u00ed podm\u00ednky. V\u00fdsledn\u00e9 trojslo\u017ekov\u00e9 abrazivn\u00ed opot\u0159eben\u00ed p\u016fsob\u00ed sou\u010dasn\u011b na v\u0161echny povrchy ozuben\u00e9ho kola a zvy\u0161uje rychlost r\u016fstu v\u016fle.<\/p>\n<\/div>\n

\n
\u2462 Nadm\u011brn\u00e1 vstupn\u00ed rychlost<\/div>\n

D\u016fsledn\u00fd provoz nad doporu\u010den\u00fdmi vstupn\u00edmi ot\u00e1\u010dkami (3 000 ot\/min pro v\u011bt\u0161inu \u0159ad EP) zvy\u0161uje odst\u0159ediv\u00e9 nam\u00e1h\u00e1n\u00ed planetov\u00e9ho p\u0159evodu a vytv\u00e1\u0159\u00ed teplo, kter\u00e9 urychluje oxidaci maziva. Vy\u0161\u0161\u00ed teplota sni\u017euje viskozitu plastick\u00e9ho maziva a tlou\u0161\u0165ku filmu, \u010d\u00edm\u017e se zvy\u0161uje kontakt kovu s kovem na boc\u00edch zub\u016f ozuben\u00e9ho kola.<\/p>\n<\/div>\n

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\u2463 Vysokofrekven\u010dn\u00ed r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed<\/div>\n

Hlavn\u00ed pohony servolis\u016f a osy robot\u016f s kolizn\u00edm zastaven\u00edm vystavuj\u00ed lo\u017eiska una\u0161e\u010de planetov\u00fdch kol opakovan\u00e9mu r\u00e1zov\u00e9mu zat\u00ed\u017een\u00ed, kter\u00e9 p\u0159ekra\u010duje konstruk\u010dn\u00ed limit pro ust\u00e1len\u00fd \u00fanavov\u00fd stav. V dr\u00e1\u017ek\u00e1ch lo\u017eisek una\u0161e\u010de planetov\u00fdch kol doch\u00e1z\u00ed k mikrod\u016flkov\u00e1n\u00ed, kter\u00e9 zvy\u0161uje radi\u00e1ln\u00ed v\u016fli v\u00fdstupn\u00edho h\u0159\u00eddele \u2013 a t\u00edm v kone\u010dn\u00e9m d\u016fsledku p\u0159isp\u00edv\u00e1 k m\u011b\u0159iteln\u00e9mu zv\u00fd\u0161en\u00ed v\u016fle i mimo r\u00e1mec opot\u0159eben\u00ed zub\u016f ozuben\u00e9ho kola.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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\"Vnit\u0159n\u00ed<\/p>\n
V\u0161echny sou\u010d\u00e1sti p\u0159evodovek \u0159ady EP jsou vyrobeny z kalen\u00e9 legovan\u00e9 oceli s brou\u0161en\u00fdmi profily zub\u016f \u2013 co\u017e je hlavn\u00ed faktor pro p\u0159esnost a dlouhodobou stabilitu v\u016fle. Korea Ever-Power \u2014 v\u00fdrobce p\u0159esn\u00fdch planetov\u00fdch p\u0159evodovek \u2192<\/a><\/div>\n<\/div>\n

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Kompletn\u00ed specifikace v\u016fle \u0159ady EP \u2013 v\u0161echny velikosti r\u00e1m\u016f a stupn\u011b<\/h2>\n

N\u00e1sleduj\u00edc\u00ed specifikace jsou tov\u00e1rn\u011b certifikovan\u00e9 hodnoty v\u016fle pro v\u0161echny p\u0159esn\u00e9 planetov\u00e9 p\u0159evodovky \u0159ady Korea Ever-Power EP, m\u011b\u0159en\u00e9 p\u0159i \u00b13% jmenovit\u00e9ho v\u00fdstupn\u00edho momentu dle standardn\u00edho zku\u0161ebn\u00edho protokolu. \u0160ir\u0161\u00ed v\u016fle u \u0159ady ZDWE\/ZDWF je p\u0159\u00edm\u00fdm d\u016fsledkem vstupn\u00edho stupn\u011b s ku\u017eelov\u00fdm soukol\u00ed \u2013 to je shodn\u00e9 se v\u0161emi pravo\u00fahl\u00fdmi vstupn\u00edmi planetov\u00fdmi reduktory bez ohledu na v\u00fdrobce.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
S\u00e9rie<\/th>\nVelikost r\u00e1mu<\/th>\n1stup\u0148ov\u00fd<\/th>\n2stup\u0148ov\u00fd<\/th>\n3stup\u0148ov\u00fd<\/th>\nKonfigurace<\/th>\n<\/tr>\n<\/thead>\n
EP-ZDE<\/strong><\/td>\n40 mm<\/td>\n<12 \u00fahlov\u00fdch minut<\/td>\n<15 \u00fahlov\u00fdch minut<\/td>\n<18 \u00fahlov\u00fdch minut<\/td>\nP\u0159\u00edm\u00e1, kulat\u00e1 p\u0159\u00edruba<\/td>\n<\/tr>\n
EP-ZDE<\/strong><\/td>\n60\u2013160 mm<\/td>\n<8 \u00fahlov\u00fdch minut<\/td>\n<12 \u00fahlov\u00fdch minut<\/td>\n<15 \u00fahlov\u00fdch minut<\/td>\nP\u0159\u00edm\u00e1, kulat\u00e1 p\u0159\u00edruba \u2013 standardn\u00ed p\u0159esnost<\/td>\n<\/tr>\n
EP-ZDF<\/a><\/td>\n40\u2013160 mm<\/td>\n<8\u201312 \u00fahlov\u00fdch minut<\/td>\n<12\u201315 \u00fahlov\u00fdch minut<\/td>\n<15\u201318 \u00fahlov\u00fdch minut<\/td>\nP\u0159\u00edm\u00e1, \u010dtvercov\u00e1 p\u0159\u00edruba \u2013 identick\u00e1 se ZDE r\u00e1mem<\/td>\n<\/tr>\n
EP-ZDS<\/strong><\/td>\n115\u2013190 mm<\/td>\n<8 \u00fahlov\u00fdch minut<\/td>\n<12 \u00fahlov\u00fdch minut<\/td>\nNen\u00ed k dispozici<\/td>\nP\u0159\u00edm\u00e1, \u010dtvercov\u00e1 p\u0159\u00edruba, IP65 \u2013 stejn\u00e1 v\u016fle jako ZDE, vy\u0161\u0161\u00ed Ct<\/td>\n<\/tr>\n
EP-ZDWE<\/strong><\/td>\n60 mm<\/td>\n<30 \u00fahlov\u00fdch minut<\/td>\n<35 \u00fahlov\u00fdch minut<\/td>\n<40 \u00fahlov\u00fdch minut<\/td>\nPravo\u00fahl\u00e1, kulat\u00e1 p\u0159\u00edruba \u2013 zkosen\u00fd stolek pro v\u011bt\u0161\u00ed v\u016fli<\/td>\n<\/tr>\n
EP-ZDWE<\/strong><\/td>\n80\u2013160 mm<\/td>\n<25 \u00fahlov\u00fdch minut<\/td>\n<30 \u00fahlov\u00fdch minut<\/td>\n<35 \u00fahlov\u00fdch minut<\/td>\nPravo\u00fahl\u00e1, kulat\u00e1 p\u0159\u00edruba \u2013 \u0161ir\u0161\u00ed, ale servokompenzovateln\u00e1<\/td>\n<\/tr>\n
EP-ZDWF<\/a><\/td>\n60\u2013160 mm<\/td>\n<25\u201330<\/td>\n<30\u201335<\/td>\n<35\u201340<\/td>\nPravo\u00fahl\u00e1, \u010dtvercov\u00e1 p\u0159\u00edruba \u2013 identick\u00e1 se ZDWE r\u00e1mem<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

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Kdy\u017e v\u016fle neovliv\u0148uje p\u0159esnost \u2013 v\u00fdjimka pro jednosm\u011brn\u00e9 m\u011b\u0159en\u00ed<\/h2>\n

\u00dahlov\u00e9 p\u00e1smo necitlivosti zp\u016fsobuje chybu polohov\u00e1n\u00ed pouze p\u0159i obr\u00e1cen\u00ed sm\u011bru. Pokud va\u0161e aplikace polohuje pouze v jednom sm\u011bru \u2013 z\u00e1t\u011b\u017e se v\u017edy p\u0159ibli\u017euje k c\u00edli ze stejn\u00e9ho \u00fahlov\u00e9ho sm\u011bru a pohon si b\u011bhem polohov\u00e1n\u00ed v\u017edy udr\u017euje kladn\u00fd to\u010div\u00fd moment v tomto sm\u011bru \u2013 v\u016fle p\u0159isp\u00edv\u00e1 k nulov\u00e9 chyb\u011b polohov\u00e1n\u00ed bez ohledu na jej\u00ed velikost.<\/p>\n

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Aplikace, kde v\u016fle = nulov\u00fd dopad na p\u0159esnost<\/div>\n