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ERD15014B

Oct 1, 2016

Precision Reduction Gear

series

Original

series

Operation Manual

RV-



△

E , RV-



△

C , RV-



above indicates the torque code.



above indicates the series code.

For the applicable models, refer to “Model” indicated on the shipping label of the product.

This manual must be thoroughly read and understood before using the product.

Be sure to deliver this operation manual to the system manager and the person in
charge of the operation.

Keep this manual in the specified location so that it can be immediately referred to
whenever necessary.

Содержание RV C Series

Страница 1: ... series code For the applicable models refer to Model indicated on the shipping label of the product This manual must be thoroughly read and understood before using the product Be sure to deliver this operation manual to the system manager and the person in charge of the operation Keep this manual in the specified location so that it can be immediately referred to whenever necessary ...

Страница 2: ...y 1 1 1 About warnings 1 1 2 Type and indication of warning 1 1 3 General precautions 2 Chapter 2 Product overview 3 2 1 Name of each section 3 2 2 Parts codes of catalog products 4 Chapter 3 Transportation and storage of product 5 3 1 Transportation 5 3 2 Storage 6 Chapter 4 Preparations for installation 7 4 1 Installation environment 7 4 2 Preparation of required components 8 4 3 Unpacking 19 4 ...

Страница 3: ...ricant filling procedure 61 Chapter 7 Operation 63 7 1 Checking before operation 63 7 2 Running in operation 63 7 3 Precautions for operation 63 Chapter 8 Maintenance and inspection 65 8 1 Precautions on maintenance 65 8 2 Daily inspection 65 8 3 Lubricant replacement 66 8 4 Troubleshooting checksheet 69 Appendix Design Scheme of Input Gear 68 CONTACT INFORMATION ...

Страница 4: ...erations that are prohibited in relation to the use of this product but it is also impossible to note all of them in this manual For this reason it is necessary to take appropriate safety measures when operating this product in addition to the points noted in this manual The particularly important information for safe handling of this product is noted below This information applies to all workers ...

Страница 5: ...es to ensure safety and well being as this can prevent accidents 3 Sharing of hazard information with users When selling or transferring this product embedded in a device etc hand this manual to the person who actually uses or manages the device the person group in charge Or add the necessary information concerning handling and maintenance procedures for preventing the accidents and failures descr...

Страница 6: ...stomer is responsible for conducting safety training and giving operation instructions to those workers 2 Copyrights The copy right for this manual belongs to Nabtesco Corporation Unauthorized reprinting reproduction copying or translation of this manual in whole or in part is strictly prohibited About This Manual ...

Страница 7: ...n 1 above shall not apply if a the defect was caused due to the use of the Product deviated from the Specifications or the working conditions provided by Nabtesco b the defect was caused due to exposure to foreign substances or contamination dirt sand etc c lubricant or spare part other than the ones recommended by Nabtesco was used in the Product d the Product was used in an unusual environment s...

Страница 8: ...omentary excessive torque does not exceed the momentary maximum allowable torque Allowable output speed The allowable value for the reduction gear s output speed during operation without a load is referred to as the allowable output speed Note Depending on the conditions of use duty ratio load ambient temperature the reduction gear surface temperature may exceed 60 C even when the speed is under t...

Страница 9: ...given according to the following four categories in this manual If you fail to observe these warning statements it could result in lethal injury or serious damage and malfunction of the product Indicates a hazardous situation that if not avoided is highly likely to result in death or serious injury Indicates a potentially hazardous situation that if not avoided could result in death or serious inj...

Страница 10: ...nection of the drive sections do not put your fingers or any object into the clearance of the protective cover etc as it could cause injury If any abnormalities or damage to the reduction gear are found stop the operation immediately Incorrect motion could cause injury The reduction gear could become extremely hot during operation After stopping the operation never touch the reduction gear until i...

Страница 11: ...low refer to the separately provided Outer dimensions drawings and specification sheet 1 E series 2 C series Fig 2 1 Tapped hole for shaft installation Shaft Case O ring groove on the case Tapped hole for hanging bolt Case fixing hole Spur gear Standard input gear Optional Fig 2 2 Shaft Case O ring groove on the case Tapped hole for hanging bolt Case fixing hole Spur gear Optional Tapped hole for ...

Страница 12: ...t included in the catalog For the parts code check Parts code indicated on the shipping label of the product Fig 4 8 Parts codes of catalog products for C series P10L010 00 P10L014 00 P10L017 00 P10L018 00 P21L014 00 P21L015 00 P21L018 00 P21L019 00 P31L012 00 P31L013 00 P31L014 00 P31L015 00 P41L013 00 P41L014 00 P41L017 00 P41L018 00 P51L004 00 P51L005 00 P51L009 00 P51L010 00 P65L002 00 P65L013...

Страница 13: ...g Model Weight kg RV 6E 2 5 RV 10C 4 6 RV 15 3 6 RV 20E 4 7 RV 27C 8 5 RV 30 6 2 RV 40E 9 3 RV 50C 14 6 RV 60 9 7 RV 80E 13 1 RV 100C 19 5 RV 160 19 5 RV 110E 17 4 RV 200C 55 6 RV 320 34 RV 160E 26 4 RV 320C 79 5 RV 450 47 RV 320E 44 3 RV 500C 154 RV 550 72 RV 450E 66 4 If the packing boxes containing the reduction gear are stacked too high during transportation they may collapse and fall down cau...

Страница 14: ... or damage to the reduction gear Store the reduction gear under the same conditions as those before unpacking If it is left upside down it could cause damage to the reduction gear Although the reduction gear is coated with rust prevention oil before shipping it is not designed for long term storage If it is stored for a long period check the condition of the reduction gear periodically and perform...

Страница 15: ...ry in case the equipment goes out of control or falls off When the reduction gear is used for elevating equipment install an effective safety unit for preventing falls caused by idle running as a fail safe mechanism in case of an unexpected failure in the reduction gear If you fail to install it it could cause injury in case the elevating unit falls off 4 1 Installation environment Use this produc...

Страница 16: ...ape of the actual section differs from the illustration below refer to the separately provided Outer dimensions drawings and specification sheet Prepare the input gear motor mounting flange case installation component and shaft installation component that have been designed and manufactured based on the catalog and separately provided Outer dimensions drawings and specification sheet Fig 4 1 E ser...

Страница 17: ...rface take extra care so that no scratch will be made on the oil sealing surface when handling the input gear Any scratches could cause leakage of the lubricant Take extra care so that no scratch will be made on the gear tooth section when handling the input gear Any scratches could cause abnormal noise The customer is requested to prepare the oil seals used for sealing the circumference of the in...

Страница 18: ...es Table 4 2 Installation accuracy Original series The reduction gear of the original series will be embedded in the equipment as a component When designing a system be sure that the external thrust load and radial load are not applied to the reduction gear Table 4 3 Fig 4 4 110E or above Model Concentricity tolerance a mm Model Concentricity tolerance a mm Parallelism tolerance b mm Fig 4 5 Model...

Страница 19: ...so be embedded in the motor mounting flange Confirm that the design of the prepared case installation component conforms to the size and quantity of the case mounting bolts indicated in the separately provided Outer dimensions drawings and specification sheet For the catalog products described in 2 2 Parts codes of catalog products refer to the size and quantity of the bolts listed in Table 4 4 in...

Страница 20: ...e lubricant after installing the reduction gear Confirm that the design of the prepared shaft installation component conforms to the size and quantity of the shaft mounting bolts indicated in the separately provided Outer dimensions drawings and specification sheet For the catalog products described in 2 2 Parts codes of catalog products refer to the size and quantity of the bolts listed in Table ...

Страница 21: ...minal size pitch Required Qty Nominal size pitch Required Qty Nominal size pitch Required Qty Nominal size pitch Required Qty RV 6E M5 0 8 8 RV 6E M8 1 25 6 RV 20E M6 1 0 16 M6 1 0 8 RV 20E M10 1 5 6 M10 1 5 4 RV 40E M8 1 25 16 M8 1 25 8 RV 40E M14 2 0 6 M12 1 75 4 RV 80E M8 1 25 16 M8 1 25 8 RV 80E M8 1 25 M10 1 5 12 6 M12 1 75 3 RV 110E M10 1 5 12 RV 110E M12 1 75 12 RV 160E M12 1 75 12 M12 1 75...

Страница 22: ...tion symbol CDW H CDW L Only for M5 Material S50C to S70C Hardness HR40 to 48 Table 4 6 When using any equivalent washer select it with special care given to its outside diameter ø D Nominal size ID and OD of Belleville spring washer t H ød øD 5 5 25 8 5 0 6 0 85 6 6 4 10 1 0 1 25 8 8 4 13 1 2 1 55 10 10 6 16 1 5 1 9 12 12 6 18 1 8 2 2 14 14 6 21 2 0 2 5 16 16 9 24 2 3 2 8 18 18 9 27 2 6 3 15 20 2...

Страница 23: ...ngs and specification sheet If there is no indication select the size of the O ring appropriate for the surface to be sealed For the catalog products described in 2 2 Parts codes of catalog products prepare the O rings with the numbers listed in Table 4 8 4 9 and Table 4 10 If it is difficult to purchase any of the O rings in the table below select an O ring based on the design standard of each ma...

Страница 24: ... 3 S120 2 ø119 5 ø2 0 RV 160E AS568 265 ø196 44 ø3 53 RV 50C 3 S100 2 ø99 5 ø2 0 RV 320E AS568 271 ø234 54 ø3 53 RV 50C 3 S150 2 ø149 5 ø2 0 RV 450E AS568 275 ø266 29 ø3 53 RV 100C 3 G115 ø114 4 ø3 1 RV 15 G105 ø104 4 ø3 1 RV 100C 3 AS568 165 ø164 77 ø2 62 RV 30 G135 ø134 4 ø3 1 RV 200C 3 S150 2 ø149 5 ø2 0 RV 60 AS568 163 ø152 07 ø2 62 RV 200C 3 AS568 271 ø234 54 ø3 53 RV 160 AS568 265 ø196 44 ø3...

Страница 25: ...568 263 ø183 74 ø3 53 RV 320C AS568 281 ø380 59 ø3 53 RV 110E G190 ø189 3 ø5 7 RV 500C G460 ø459 3 ø5 7 RV 160E G220 ø219 3 ø5 7 RV 60 AS568 165 ø164 77 ø2 62 RV 320E G270 ø269 3 ø5 7 RV 320 AS568 178 ø247 32 ø2 62 RV 450E G300 ø299 3 ø5 7 RV 450 AS568 276 ø278 99 ø3 53 RV 10C AS568 048 ø120 37 ø1 78 RV 550 No 3 5 312 2 ø312 0 ø3 5 RV 27C AS568 163 ø152 07 ø2 62 1 Numbers S100 and S120 are the man...

Страница 26: ...f Nabtesco Corporation In order to take advantage of the performance of this product use the Nabtesco specified lubricant Using other types of lubricant could cause deterioration of performance and premature damage Mixing with other lubricants could cause deterioration of performance generation of abnormal noise and premature damage 4 2 8 Plug for tapped hole for injecting draining grease Prepare ...

Страница 27: ...it could cause damage to the reduction gear When unpacking the internal parts of the reduction gear remain exposed Take extra care so that no foreign matter adheres to the reduction gear when it is installed in the customer s equipment and filled with lubricant If foreign matter adheres it may lead to deterioration of reduction gear performance and also to deterioration of durability or premature ...

Страница 28: ...d 4 3 2 Checking the contents Confirm that the contents of the packing box match the items in the illustration below when unpacking Fig 4 9 The contents of the packing box and shape of the reduction gear may differ from the illustration above depending on the ordered specifications The input gear is optional Cautions to the reduction gear when it is installed Input gear Optional Reduction gear mai...

Страница 29: ...ng tape to make the label visible Note When the customer uses a substance other than urethane or epoxy contact us Even when coating is not performed on the circumference of the reduction gear the sealing tape may peel off and enter the customer s equipment For this reason be sure to peel off the sealing tape Note When degreasing the reduction gear do not use the degreasing agents shown below Keton...

Страница 30: ...ater and enter the reduction gear This may cause deterioration of performance such as abnormal noise vibration or torque irregularity Also this tape may adhere to the lip of the oil seal causing leakage of the lubricant If a coating or degreasing agent other than those specified is used the label tape may peel off and enter the reduction gear This may cause deterioration of performance such as abn...

Страница 31: ... products use the following hanging bolts Table 4 12 Do not enter the area under the reduction gear when lifting the reduction gear If the reduction gear falls down it could cause injury When lifting the reduction gear be sure to use a lifter that can withstand the weight of the reduction gear Otherwise the lifter will be damaged and the reduction gear could fall down and topple over which may res...

Страница 32: ...ent the bolt from loosening and protect the bolt seat surface from flaws Reference 4 2 3 Reduction gear mounting bolts and 4 2 4 Serrated lock washer for hexagon socket head cap screw The following are the bolt tightening torques specified by Nabtesco Be sure to check the following when tightening the bolts Table 5 1 Nominal size pitch mm Tightening torque Nm Tightening force N M5 0 8 9 01 0 49 9 ...

Страница 33: ...nting holes of the reduction gear with the Step 1 positions of the tapped holes for the case installation component and then attach the reduction gear to the case installation component Confirm that the centering shaft of the reduction gear case section is correctly fitted into the centering hole of the case installation component Check that there is no foreign matter adhering to the mounting surf...

Страница 34: ... given by the manufacturer of the sealant to be used Align the mounting holes of the motor mounting flange with the mounting holes of the reduction Step 3 gear case section and positions of the tapped holes for the case installation component and then attach the motor mounting flange to the reduction gear Take extra care so that the O ring is not caught by the mating section Confirm that the cente...

Страница 35: ...lants Step 5 If a liquid sealant cannot be used prepare an O ring groove on the shaft installation component and attach an O ring I Take extra care so that the O ring is not caught by the mounting surface Confirm that the centering shaft of the reduction gear shaft section is correctly fitted into the centering hole of the shaft installation component When designing the shape of the shaft installa...

Страница 36: ...duction gear or mounting bolt section For the pin bolt clamping output shaft type 20E 40E apply the liquid sealant around the mounting hole For the detailed coating procedure follow the instructions given by the manufacturer of the sealant to be used Reference 4 2 5 Liquid sealant If a coating is not applied at some points within the coating range it could cause leakage of the lubricant If the lea...

Страница 37: ... damage to the customer s device and the reduction gear For the pin bolt clamping output shaft type drill both a pin pilot hole for the reduction gear and a Step 7 hole on the shaft installation component simultaneously using a reamer Then seal the reduction gear and the shaft installation component using a liquid sealant or O ring I and tap the taper pin according to step 5 When drilling holes us...

Страница 38: ...the liquid sealant adheres to the lip of the oil seal it could cause leakage of the lubricant For model RV 80E with the pin bolt clamping Step 8 output shaft type temporarily fix the shaft side of the reduction gear to the shaft installation component with the specified tightening torque using the hexagon socket head cap screw Reference 4 2 3 Reduction gear mounting bolts and 5 1 Bolt tightening t...

Страница 39: ...r If the cutting chips are trapped in the reduction gear while drilling holes using a reamer they could adhere to the gear and eventually cause deterioration of performance such as abnormal noise vibration and torque irregularity and durability Also if the liquid sealant adheres to the lip of the oil seal it could cause leakage of the lubricant After attaching the reduction gear Step 10 shaft inst...

Страница 40: ...t of the center tube is correctly fitted into the centering hole of the reduction gear shaft section Check that there is no foreign matter adhering to the mounting surface If the O ring is caught by the mating section it could cause leakage of the lubricant If there is foreign matter adhering to the mounting surface the mounting surface of the reduction gear may be deformed which could cause deter...

Страница 41: ...ng cannot be used due to the structure seal the section using a liquid sealant etc Reference 4 2 5 Liquid sealant When a liquid sealant is used take extra care so that it will not leak into the reduction gear When a liquid sealant is used take extra care so that it will not leak into the case installation bolt section When a liquid sealant is used follow the instructions of the detailed coating me...

Страница 42: ...ent may differ from the illustration above depending on the customer s equipment or shape of the reduction gear The installation orientation and necessity for installing the deep groove ball bearing oil seal and plugs for tapped holes for injecting draining grease should be determined depending on the customer s equipment Using the hexagon socket head cap Step 5 screw and serrated lock washer for ...

Страница 43: ...n is correctly fitted into the centering hole of the shaft installation component Check that there is no foreign matter adhering to the mounting surface Using the hexagon socket head cap screw and serrated lock washer for the hexagon socket head cap screw fix the shaft installation component to the reduction gear Be sure to tighten the hexagon socket head cap screw with the specified tightening to...

Страница 44: ...that the centering shaft of the center tube is correctly fitted into the centering hole of the reduction gear shaft section Check that there is no foreign matter adhering to the mounting surface If the O ring is caught by the mating section it could cause leakage of the lubricant If there is foreign matter adhering to the mounting surface the mounting surface of the reduction gear may be deformed ...

Страница 45: ...ection For the detailed coating procedure follow the instructions given by the manufacturer of the sealant to be used Reference 4 2 5 Liquid sealant If a coating is not applied at some points within the coating range it could cause leakage of the lubricant If the leaking liquid sealant enters the reduction gear it could cause deterioration of performance such as abnormal noise vibration and torque...

Страница 46: ...ounting bolts 4 2 4 Serrated lock washer for hexagon socket head cap screw and 5 1 Bolt tightening torque If an O ring is caught by the mounting surface it could cause leakage of the lubricant If there is foreign matter adhering to the mounting surface the mounting surface of the reduction gear may be deformed which could cause deterioration of performance such as abnormal noise and torque irregul...

Страница 47: ...ng cannot be used due to the structure seal the section using a liquid sealant etc Reference 4 2 5 Liquid sealant When a liquid sealant is used take extra care so that it will not leak into the reduction gear When a liquid sealant is used take extra care so that it will not leak into the case installation bolt section When a liquid sealant is used follow the instructions of the detailed coating me...

Страница 48: ...n the customer s equipment or shape of the reduction gear The installation orientation and necessity for installing the deep groove ball bearing oil seal and plugs for tapped holes for injecting draining grease should be determined depending on the customer s equipment Using the hexagon socket head cap screw and serrated lock washer for the hexagon socket head Step 7 cap screw tighten each compone...

Страница 49: ...unting surface of the reduction gear may be deformed which could cause deterioration of performance such as abnormal noise and torque irregularity and durability Fig 5 26 Serrated lock washer Hexagon socket head cap screw Deep groove ball bearing Case installation component Note Reduction gear ...

Страница 50: ...er centering shaft of the reduction gear shaft section should be used Check that there is no foreign matter adhering to the mounting surface If an O ring cannot be used due to the structure seal the section using a liquid sealant etc Reference 4 2 3 Reduction gear mounting bolts 4 2 4 Serrated lock washer for hexagon socket head cap screw 4 2 5 Liquid sealant and 4 2 6 O rings If an O ring is caug...

Страница 51: ...0 µm Tighten the temporarily fixed hexagon socket head cap screw with the specified tightening torque Check again on the dial gauge that the deviation is within 20 µm Reference 5 1 Bolt tightening torque If the hexagon socket head cap screw is not tightened with the specified torque the reduction gear does not deliver the designed performance In addition it could cause injury and damage to the cus...

Страница 52: ...rill holes simultaneously using a reamer If the cutting chips are trapped in the reduction gear while drilling holes using a reamer they could adhere to the gear and eventually cause deterioration of performance such as abnormal noise vibration and torque irregularity and durability Also if the liquid sealant adheres to the lip of the oil seal it could cause leakage of the lubricant Insert an O ri...

Страница 53: ...t caught by the mating section Confirm that the centering shaft of the reduction gear case section is correctly fitted into the centering hole of the motor mounting flange Check that there is no foreign matter adhering to the mounting surface If the O ring is caught by the mating section it could cause leakage of the lubricant If there is foreign matter adhering to the mounting surface the mountin...

Страница 54: ...e designed performance In addition it could cause injury and damage to the customer s device and the reduction gear If the installation accuracy of the reduction gear is poor deviation in the gauge reading is excessive it could cause deterioration of performance such as vibration or torque irregularity and durability For the two crank shaft type when only one spur gear of the reduction gear is tur...

Страница 55: ...e with the spur gear and therefore the gear cannot be installed or could be damaged Attach a key to the motor shaft Step 1 Attach the input gear to the motor shaft Step 2 Check that there is no foreign matter adhering to the mounting surface If any particle adheres to the mounting surface appropriate installation accuracy cannot be obtained It could cause deterioration of performance such as abnor...

Страница 56: ...tor Attach a key to the motor shaft Step 1 Attach the input gear to the motor shaft Step 2 Check that there is no foreign matter adhering to the mounting surface If any particle adheres to the mounting surface appropriate installation accuracy cannot be obtained It could cause deterioration of performance such as abnormal noise and vibration and also lead to damage of the motor Tighten the input g...

Страница 57: ... diameters of the hexagon nut and seal washer should be smaller than the root circle diameter of the input gear Avoid impact to the motor shaft when attaching the input gear as it could damage the motor If the outer diameters of the hexagon nut and seal washer are larger than the diameter of the teeth bottom of the input gear the hexagon nut and seal washer will interfere with the spur gear and th...

Страница 58: ...as abnormal noise and vibration and also lead to damage of the motor Tighten the hexagon nut into the draw bolt Step 4 Using a double nut and thread locking sealant etc lock the hexagon nut If necessary seal the area with a seal washer etc Otherwise it could cause the leakage of lubricant Fig 5 36 Input gear Seal washer Hexagon nuts Woodruff key Motor Draw bolt Note Important ...

Страница 59: ...on as illustrated in Fig 5 37 Correct built in position Then confirm that the motor and motor mounting flange are closely attached with each other without any tilt If there is a clearance between the motor and motor mounting flange surface the motor could be in an incorrect position as illustrated in Fig 5 37 Incorrect built in position Do not tighten the bolt to eliminate the clearance If the mot...

Страница 60: ...nd also lead to damage of the motor There are various ways to install the motor depending on the shape of the reduction gear or customer s equipment For the installation methods other than the above examples check the External dimensions drawings and specification sheet If anything is unclear contact our service representative Fig 5 38 Motor mounting flange Oil seal Motor Motor mounting bolt Input...

Страница 61: ...l pressure also increases As a result an oil seal could fall off or lubricant could leak If the filling amount of the lubricant is insufficient it could cause premature damage to the reduction gear 6 1 Precautions when handling the lubricant This section describes the precautions when handling lubricants Before handling the lubricant read the precautions described on the container of the lubricant...

Страница 62: ...lt a physician If the lubricant is swallowed do not force yourself to vomit and consult a physician Disposal of waste grease and container It is required by law to dispose of the grease and container in the specified manner Dispose of the grease and container appropriately according to the law If anything is unclear check the disposal precautions described in the Safety Data Sheet or contact our s...

Страница 63: ...t range the areas in the diagram when the reduction gear is installed in the horizontal shaft are indicated in Fig 6 1 Each amount does not include the space the areas in the diagram on the motor mounting side Therefore if there is a blank space also fill the space Leave a space about 10 of the total volume of the internal capacity of the reduction gear the areas in the diagram and the space on th...

Страница 64: ...aft are indicated in Fig 6 2 If there is a blank space inside e g when a center tube is used exclude the volume of the blank space Each amount does not include the space the areas in the diagram on the motor mounting side Therefore if there is a blank space also fill the space Leave a space about 10 of the total volume of the internal capacity of the reduction gear the areas in the diagram and the...

Страница 65: ...emperature increases during operation and the internal pressure also increases As a result an oil seal could fall off or lubricant could leak If the filling amount of the lubricant is insufficient it could cause premature damage to the reduction gear The shape of the reduction gear may differ from the illustration in Fig 6 1 and Fig 6 2 above depending on the ordered specifications For details on ...

Страница 66: ...e products not included in the catalog contact our service representative individually Fig 6 3 Vertical shaft installation with shaft facing downward Vertical shaft installation with shaft facing upward E series Original series Shaft installation component Original series E series Shaft installation component Shaft installation component Shaft installation component Tapped hole for injecting drain...

Страница 67: ...l shaft are indicated in Fig 6 4 If there is a blank space inside e g when a center tube is used exclude the volume of the blank space Each amount does not include the space the areas in the diagram on the motor mounting side Therefore if there is a blank space also fill the space Leave a space about 10 of the total volume of the internal capacity of the reduction gear the areas in the diagram and...

Страница 68: ... lubricant is insufficient it could cause premature damage to the reduction gear The shape of the reduction gear may differ from the illustration in Fig 6 3 and Fig 6 4 above depending on the ordered specifications For details on the shape refer to the catalog and the separately provided Outer dimensions drawings and specification sheet C series Fig 6 4 Vertical shaft installation with shaft facin...

Страница 69: ...e When pneumatic pressure is used for filling the lubricant set the pressure below 0 03 MPa If you fail to remove the plug for tapped hole for injecting draining grease on the drain side the internal pressure increases As a result the oil seal could fall off or the oil seal lip could be reversed If the internal pressure of the reduction gear increases an oil seal could fall off or lubricant could ...

Страница 70: ...ing draining grease and cap them with plugs sealed with a seal tape etc Vertical shaft installation with shaft facing downward Vertical shaft installation with shaft facing upward Fig 6 5 Shaft installation component Tapped hole for injecting draining grease drain side Injector Tapped hole for injecting draining grease supply side Motor mounting flange Horizontal shaft installation Motor mounting ...

Страница 71: ...problem with the quality when the symptom disappears after the running in operation is performed for 30 minutes or more until the surface temperature of the reduction gear body reaches around 50 C During the running in operation check the items in Table 8 1 on page 64 7 3 Precautions for operation Once the pre operation checks and running in operation are completed operate the device safely by obs...

Страница 72: ...tion gear under a condition that exceeds the allowable acceleration deceleration torque allowable moment and allowable output speed It could cause injury to the workers or damage to the reduction gear Operate the reduction gear while the surface temperature is below 60 C Failure to do so could cause premature damage When the reduction gear is used with the surface temperature within 40 to 60 C ref...

Страница 73: ...rotective goggles gloves and safety shoes Organize the surrounding area and ensure safety to prevent secondary accidents To maintain the condition in which the device is completely stopped turn OFF the power to the customer s device and take extra care so that the power will not be turned ON by accident 8 2 Daily inspection Check the following items every day before starting the operation Table 8 ...

Страница 74: ...F the power source e g power supply and execute lock out tag out so that the power will not be turned ON by accident Otherwise you could be caught by the rotation section which will result in injury If the lubricant gets in your eyes or touches your skin it could cause inflammation When the safety cover near the reduction gear has been removed for replacement maintenance of lubricant be sure to re...

Страница 75: ...ed hole for injecting draining grease and then attach the Step 4 injector Refer to Fig 8 2 Using the injector or the like fill the lubricant through the tapped hole for injecting draining grease Step 5 on the supply side When filling the lubricant be sure to remove the plug for tapped hole for injecting draining grease on the drain side When pneumatic pressure is used for filling the lubricant set...

Страница 76: ...used by necessity run the motor at a low speed and never touch the rotation section Otherwise you could be caught by the rotation section which will result in serious injury Repeat steps 3 to 8 until the reduction gear is filled with the same amount of lubricant as that was Step 9 drained It is recommended that the inside of the reduction gear is flushed so that the lubricant can be Step 10 replac...

Страница 77: ... s parameter settings Make sure there are no components resonating in unity Make sure the input gear is appropriately installed on the motor Make sure there is no damage to the surface of the input gear teeth Make sure the input gear specifications precision number of teeth module shift coefficient dimensions of each part are correct Make sure the flange and other components are designed and manuf...

Страница 78: ... For small motors Standard input gear B For large motors Note The above drawing shows the shape before the additional machining is performed Check the dimensions of each section in the Dimensions table on pages 69 and 70 Reference for additional machining Standard input gears come equipped with center holes and ground boss outer diameter D1 When modifying them use the center hole or boss outer dia...

Страница 79: ... Design example 1 For straight shafts attached to motor shaft tip Note 1 When a tapped hole is used for the motor shaft fix the input gear to the motor shaft with a bolt 2 For the bolt through hole diameter d3 radial runout and the shaft hole position LC refer to Dimensions after modification in the Dimensions table on pages 69 and 70 3 If the bolt through hole diameter d3 is larger than the cente...

Страница 80: ...oove d2 so that it is larger than the corner of the keyway Although the following calculation formula is used in this example design the diameter using appropriate values based on the keyway tolerance processing tolerance etc The following is an example of when the diameter of the recessed groove is selected based on the above calculation formula Use it as a reference when designing Selection exam...

Страница 81: ... lip surface is required for the oil seal manufacture a new input gear and quench the D2 section and then perform plunge grinding Note 1 The design specifications vary depending on the oil seal manufacturer When designing be sure to confirm with the manufacturer of the oil seal to be used 2 The standard input gear is not compatible with the oil seal surface If the lip surface is required for the o...

Страница 82: ...100 128 144 170 66 1 65 1 RV 320E RV 320 47 52 34 28 3 81 101 118 5 129 141 171 185 80 100 117 5 128 140 170 184 66 1 65 1 RV 450E RV 450 57 62 40 28 5 81 101 118 5 129 154 8 171 192 42 80 100 117 5 128 153 8 170 191 42 66 1 65 1 RV 550 66 72 123 141 163 5 192 42 122 140 162 5 191 42 1 It is not included in the input gear tooth specifications For any requests contact us As the speed ratio becomes ...

Страница 83: ... RV 15 90 11 7 17 14 9 6003 RV 40E RV 30 103 13 9 19 16 11 5 6004 RV 80E RV 60 2 109 13 9 15 5 12 16 6005 RV 80E RV 60 3 105 13 9 19 5 16 12 6005 RV 160E 128 15 1 21 17 16 6006 RV 320E 148 16 1 22 18 20 6007 RV 450E 195 17 6 26 22 5 21 6008 2 For the bolt clamping output shaft type 3 For the pin bolt clamping output shaft type 0 1 0 ...

Страница 84: ...t Gear 76 Dimensions of standard input gear The ratio code marked with indicates the dimensions of the standard input spline For the gear tooth specifications refer to Gear tooth specifications for each input spline model on page 77 ...

Страница 85: ...Appendix Design Scheme of Input Gear 77 ...

Страница 86: ... depth Pressure angle 20 Precision JIS B 1702 1976 Grade 5 Spur gear tooth surface hardness and material Heat treatment Carburizing quenching and tempering Surface hardness HRC 58 to 62 Effective case depth HV513 mm 0 3 to 0 7 1 Material SCM415 Normalizing Alternate material SCM420 Normalizing 1 The value will differ depending on the module Module 1 or lower More than 1 Effective case depth HV513 ...

Страница 87: ...Appendix Design Scheme of Input Gear 79 ...

Страница 88: ...Appendix Design Scheme of Input Gear 80 ...

Страница 89: ...e specifications shown in the following tables when designing with a processed or non standard input spline The specifications of the hardness and material are the same as those of the input gear Detailed drawing of spline section Detailed drawing of spline section Detailed drawing of spline section ...

Страница 90: ...Fl Dojima Avanza 1 6 20 Dojima Kita ku Osaka 530 0003 Japan TEL 81 6 6341 7180 FAX 81 6 6341 7182 Tsu Plant 594 Icchoda Katada cho Tsu Mie 514 8533 Japan TEL 81 59 237 4600 FAX 81 59 237 4610 Service Center 594 Icchoda Katada cho Tsu Mie 514 8533 Japan TEL 81 59 237 4672 FAX 81 59 237 4697 Nabtesco VIGOGREASE RV are registered trademarks or trademarks of Nabtesco Corporation The contents of this m...

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