KHK Stock Gears 3013
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216SpurGearsHelicalGearsInternalGearsRacksCP Racks& PinionsMiterGearsBevelGearsScrewGearsWormGear PairBevelGearboxesOtherProductsBrass RacksPlastic RacksModule 1~3PR・PRFSpecificationsPrecision gradeKHK R 001 grade 5*Gear teethStandard full depthPressure angle20°MaterialMC901Heat treatment ―Tooth hardness(115~120HRR)Module 0.5、0.8、1Brass RacksBSRSWSWABCDR1BAπmπmCDRFSpecificationsPrecision gradeKHK R 001 grade 4Gear teethStandard full depthPressure angle20°MaterialFree cutting brass(C3604)Heat treatment ―Tooth hardness(more than 80HV)CDABSWSWR1Catalog No.ModuleEffectiveno. of teethShapeTotal lengthFace widthHeightHeight to pitch lineAllowable force (N)Allowable force (kgf)Weight(kg)ABCDBending strengthSurface durabilityBending strengthSurface durabilityBSR0.5-300BSR0.8-300BSR1-300m0.5m0.8m119011894R1R1R1303303303346910108.59.2928.7 61.3 115 ―――2.93 6.25 11.7 ―――0.0660.0950.14Catalog No.ModuleNo. of teethShapeTotal lengthFace widthHeightHeight to pitch lineAllowable force (N)Allowable force (kgf)Weight(kg)ABCDBending strengthBending strengthPRF1.5-1000PRF2-1000PRF2.5-1000PRF3-1000m1.5m2m2.5m3212160128106RFRFRFRF999.031005.311005.31999.03152025302025303518.52327.532209 371 580 835 21.3 37.9 59.2 85.2 0.320.540.801.11Catalog No.ModuleEffectiveno. of teethShapeTotal lengthFace widthHeightHeight to pitch lineAllowable force (N)Allowable force (kgf)Weight(kg)ABCDBending strengthBending strengthPR1-500m1159R150510121192.8 9.46 0.064PR1.5-500PR1.5-1000m1.5105212R15051010152018.520921.30.1600.330PR2-500PR2-1000m279159R1505101020252337137.90.2700.540PR2.5-500PR2.5-1000m2.563127R15051010253027.558059.20.4000.810PR3-500PR3-1000m352105R1505101030353283585.20.5601.120*SW Saw Blade Finished*SW Saw Blade Finished[Caution on Product Characteristics]① The allowable forces shown in the table are the calculated values according to the assumed usage conditions. Please see Page 189 for more details.② The backlash of racks differ depending on the size of the mating pinion. Please calculate the backlash from the backlash value of the mating pinion. Also, please refer to the data in the section called 'Backlash of Rack Tooth (Amount of Tooth Thinning)' on Page 191.③ Dimensions of Plastic Racks vary due to temperature and humidity. A 10°C rise in the ambient temperature will cause 0.45 mm increase in the length per 1000 mm. A 2% moisture absorption will cause approx. 5 mm increase in the length per 1000 mm. Please see the section “Design of Plastic Gears” in separate technical reference book. (Page 101).④ The straightness deviation of Plastic Racks is less than 5mm per meter. However, for Plastic Racks with the total length of 1000 mm, the value may exceed 5 mm due to age deterioration. You may correct this error by using the bottom surface as the reference when attaching the racks.[Caution on Secondary Operations]① Please read “Caution on Performing Secondary Operations” (Page 192) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.② Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. It is recommended to modify mounting holes and the attaching portions at the same time when stringing together racks for use.[Caution on Product Characteristics]① The allowable forces shown in the table are the calculated values according to the assumed usage conditions. Please see Page 189 for more details.② The backlash of racks differ depending on the size of the mating pinion. Please calculate the backlash from the backlash value of the mating pinion. Also, please refer to the data in the section called 'Backlash of Rack Tooth (Amount of Tooth Thinning)' on Page 191.Plastic Racks* The precision grade of this product is equivalent to the value shown in the table.[Caution on Secondary Operations]① Please read “Caution on Performing Secondary Operations” (Page 192) when performing modifications and/or secondary operations for safety con-cerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.216

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