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Nabtesco RV E Series Operation Manual

Precision reduction gear
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Precision Reduction Gear
E
series
C
series
Original
Operation Manual
<Applicable model>
RV- △
E , 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.
®
series
C , RV-
TM
RV
ERD15014B
Oct 1, 2016

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Summary of Contents for Nabtesco RV E Series

  • Page 1 ® Precision Reduction Gear series series Original series Operation Manual <Applicable model> 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.

  • Page 2: Table Of Contents

    Contents Contents Important Information ...................... i Intended use of this product ............................. Rules to ensure safe use of this product ........................Sharing of hazard information with users ....................... Product disposal..............................Other important notes ............................. About This Manual ......................iii Users of this manual .............................. Copyrights ................................
  • Page 3 Contents Chapter 6 Filling the Lubricant ..................53 6.1. Precautions when handling the lubricant ......................53 6.2. Reduction gear mounting direction and amount of lubricant ................55 6.3. Lubricant filling procedure ..........................61 Chapter 7 Operation ....................... 63 7.1. Checking before operation ..........................63 7.2.

  • Page 4: Important Information

    This could cause injury or damage to the reduction gear. 2. Rules to ensure safe use of this product It is impossible for Nabtesco Corporation (referred to as “Nabtesco” hereafter) to foresee any potential hazards related to this product and hazards caused by human errors or peripheral devices.

  • Page 5: Sharing Of Hazard Information With Users

    Important Information Observe the relevant laws, regulations, ordinances, and bylaws. Observe the relevant laws, regulations, ordinances, and bylaws enacted by the related countries and local governments. Prevention of accidents  To prevent accidents, do not perform any procedures not noted in this manual. Also, do not use this product for any purposes other than those noted at the beginning of this manual.

  • Page 6: About This Manual

    If this product is operated by non-native speakers of English, the customer 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.

  • Page 7: Warranty

    Warranty Warranty 1. In the case where Nabtesco confirms that a defect of the Product was caused due to Nabtesco’s design or manufacture within the Warranty Period of the Product, Nabtesco shall repair or replace such defective Product at its cost. The Warranty Period shall be from the delivery of the Product by Nabtesco or its distributor to you (“Customer”) until the end...

  • Page 8: Glossary

    Glossary Glossary Rated service life The lifetime resulting from the operation with the rated torque and the rated output speed is referred to as the “rated service life”. Allowable acceleration/deceleration torque When the machine starts or stops, the load torque to be applied to the reduction gear is larger than the constant-speed load torque due to the effect of the inertia torque of the rotating part.

  • Page 9: Chapter 1 About Safety

    Chapter 1 About safety Chapter 1 About safety The safety precautions noted in this chapter should be used as guidelines to prevent injury of workers who perform transportation, installation, operation, and maintenance of this product, as well as damage to the product. 1.1.

  • Page 10: General Precautions

    Note  This reduction gear is not filled with lubricant. Fill the reduction gear with an appropriate amount of Nabtesco-recommended lubricant before use. Failure to do so could cause damage to the reduction gear.  Return the tools and other necessary items to the specified location after use. If a tool, bolt, nut, or other foreign object is trapped in the system, it could cause damage to the reduction gear.

  • Page 11: Chapter 2 Product Overview

    Chapter 2 Product overview Chapter 2 Product overview This chapter provides an overview of this product. 2.1. Name of each section This section provides an explanation of the name of each section. If the shape of the actual section differs from the illustration below, refer to the separately provided “Outer dimensions”...

  • Page 12: Parts Codes Of Catalog Products

    Chapter 2 Product overview (3) Original series Tapped hole for Tapped hole for shaft installation Case fixing hole Case hanging bolt O-ring groove Shaft on the case Removal Standard input gear (Optional) Spur gear Fig. 2-3 Important  The shape of the reduction gear may differ from the illustration depending on the ordered specifications.

  • Page 13: Chapter 3 Transportation And Storage Of Product

    Chapter 3 Transportation and storage of product Chapter 3 Transportation and storage of product This chapter describes the transportation and storage of this product. 3.1. Transportation  Transport the product in an appropriate manner according to the weights indicated in the separately provided “Outer dimensions”...

  • Page 14: Storage

    Chapter 3 Transportation and storage of product 3.2. Storage To avoid rust, corrosion, or deterioration of the sealing material, etc., and collapse of stored packing boxes, store the product in the following location.  Location where the ambient temperature is between -10°C to 40°C. ...

  • Page 15: Chapter 4 Preparations For Installation

    Chapter 4 Preparations for installation Chapter 4 Preparations for installation This chapter describes the preparation for installing this product. Before designing the equipment, take care regarding the following precautions.  When the reduction gear is used for human transportation equipment, install an effective safety unit as a fail-safe mechanism, in case of an unexpected failure in the reduction gear.

  • Page 16: Preparation Of Required Components

    Chapter 4 Preparations for installation 4.2. Preparation of required components  The following components and materials are required for installing this product. Check the components/materials and prepare them at each customer’s site.  If the shape of the actual section differs from the illustration below, refer to the separately provided “Outer dimensions”...
  • Page 17 Chapter 4 Preparations for installation Important  The actual components may differ from the required components shown in the above illustration, depending on the customer’s equipment.  The above is an illustration of the bolt-clamping output shaft type from the catalog. Note that a pin is required for the pin/bolt clamping output shaft type.
  • Page 18 Chapter 4 Preparations for installation  Design the motor mounting flange to the following accuracy. If the installation accuracy is poor, it will result in vibration, noise, and increase in backlash. If a model other than those listed below is used, contact our service representative.
  • Page 19 Chapter 4 Preparations for installation After attaching the reduction gear, bring the dial gauge in contact with the location Output shaft mating face shown in the illustration and rotate the output shaft of the reduction gear by a turn. At this point, be sure that the Case mating face deviation in the gauge reading is 0.02 mm or less.
  • Page 20 Chapter 4 Preparations for installation  Shaft installation component  Prepare the installation component for the output shaft of the reduction gear.  Confirm that the component is structured so that the lubricant can be sealed with an O-ring or liquid sealant.
  • Page 21  Select the appropriate bolt length based on the mounting dimensions of the components prepared by the customer and the reduction gear.  Prepare the following bolts recommended by Nabtesco. However, be sure to use a taper pin for the pin/bolt clamping output shaft type*.
  • Page 22 Chapter 4 Preparations for installation 4.2.4. Serrated lock washer for hexagon socket head cap screw  Prepare the following serrated lock washer for hexagon socket head cap screw recommended by Nabtesco: Name: Belleville lock washer (made by Heiwa Hatsujyo Industry Co., Ltd.)
  • Page 23 Chapter 4 Preparations for installation 4.2.5. Liquid sealant Seal the shaft mounting surface of the reduction gear and shaft installation component using liquid sealants. Prepare the following liquid sealants recommended by Nabtesco. Table 4-7 Name Manufacturer Characteristics and applications • Silicone-based, solventless type...
  • Page 24 Chapter 4 Preparations for installation Table 4-8 (Unit: mm) (Unit: mm) O-ring dimensions O-ring dimensions O-ring O-ring Model Model Inside Width Inside Width number number diameter diameter RV-20E (A) AS568-045 ø101.32 ø1.78 RV-450 AS568-275 ø266.29 ø3.53 RV-20E (B) S100 ø99.5 ø2.0 RV-10C AS568-032...
  • Page 25 Chapter 4 Preparations for installation  O-ring (II) Prepare an O-ring (II) for sealing the installation section of the reduction gear and motor mounting flange. The O-rings applicable to the O-ring (II) for the catalog products described in “2.2 Parts codes of catalog products”...
  • Page 26 * VIGOGREASE is registered trademark of Nabtesco Corporation. Note  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.

  • Page 27: Unpacking

    Wipe it off as necessary before use. 4.3.1. Checking the shipping label Check the shipping label to confirm that it matches the product you have ordered. Example Nabtesco Corporation  型式          ＲＶ−４０Ｅ−１０５ 品目     Ｐ３５Ｅ００３Ｄ００  Ｓ/Ｎ    Ｒ０４０-２Ｅ３０００１ ｲﾝﾌﾟｯﾄｷﾞﾔ ｷｬｸｻｷ...
  • Page 28 Chapter 4 Preparations for installation Important  When inquiring about this product, the model, parts code, and S/N (serial number) indicated on the shipping label are needed. Write them down when unpacking and keep them for cases in which they are needed.
  • Page 29 Fig. 4-10 Important  This label proves that this product is a Nabtesco precision reduction gear. Be careful not to peel off the label. 4.3.4. About sealing tape Sealing tape that has a clear left half and yellow right half is affixed to the label as shown in the photo below.
  • Page 30 Chapter 4 Preparations for installation (2) Peel off about two-thirds of the first tape toward the left. Fig. 4-12 (3) After that, pull it toward the right in order to peel off the yellow portion of the second tape. Check that the yellow portion is removed from the surface after the tape has been peeled off. Fig.

  • Page 31: Lifting Of This Product

    Chapter 4 Preparations for installation 4.4. Lifting of this product  When lifting the product, use the tap holes for the hanging bolts described in the separately provided “Outer dimensions” drawings and specifications.  Do not enter the area under the reduction gear when lifting the reduction gear. ...

  • Page 32: Chapter 5 Installation

    (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 ×...

  • Page 33: Installation Work

    Chapter 5 Installation 5.2. Installation work Important  The installation procedure may differ from the contents of this manual, depending on the shape of the components designed by the customer. 5.2.1. Installing the reduction gear The following describes the installation of the reduction gear. ...
  • Page 34 Chapter 5 Installation Step 2 • Insert an O-ring (II) into the groove on the case for the Reduction gear reduction gear. • If the product does not feature an O-ring groove, prepare a groove on the customer's component, or seal the area with a liquid sealant.
  • Page 35 Chapter 5 Installation Step 4 • Using the hexagon socket head cap screw and serrated lock washer for the hexagon socket head cap screw, tighten each component. • Be sure to tighten the hexagon socket head cap screw with the specified tightening torque. (Reference: “4.2.3.
  • Page 36 Chapter 5 Installation Note Reduction gear Shaft installation component  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 irregularity, and...
  • Page 37 Chapter 5 Installation Step 6 • If an O-ring (I) was used for sealing in step 5 above, fix the shaft installation component to the reduction gear using the hexagon socket head cap screw and high-torque seal washer. • If a liquid sealant was used for sealing in step 5 above, fix the shaft installation component to the reduction gear using the hexagon socket head cap screw and serrated lock washers for the hexagon socket head cap screw.
  • Page 38 Chapter 5 Installation Shaft installation component Reduction gear Serrated lock washer Hexagon socket head cap screw O-ring (I) Taper pin with screw Fig. 5-8  If the hexagon socket head cap screw is not tightened with the specified torque, the reduction gear does not deliver the designed performance.
  • Page 39 Chapter 5 Installation Step 9 • Remove the taper pin (with M8 screw) embedded in the reduction gear. • Through the hole from which the taper pin has been removed, drill both a hole on the shaft Taper pin with installation component and a taper pin hole screw (ø10) simultaneously using a reamer.
  • Page 40 Chapter 5 Installation Step 11 • Do not fail to tap the taper pin (with M8 screw) Taper pin with screw embedded in the reduction gear. • Perform steps 1 and 4. Taper pin with screw (with M8 screw) Fig. 5-12 ...
  • Page 41 Chapter 5 Installation Step 2 • Attach the deep groove ball bearing to the center gear, and Reduction then mate the center gear with the deep groove ball bearing gear Deep groove and spur gear on the reduction gear side. ball bearing •...
  • Page 42 Chapter 5 Installation Step 4 • Attach an oil seal and plugs for the tapped Plug for tapped hole for injecting/draining grease holes for injecting/draining grease to the case Case installation component installation component. Reduction gear • Align the mounting holes of the reduction gear (case section) with the positions of the mounting holes for the case installation component, and then attach the case...
  • Page 43 Chapter 5 Installation  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 customer’s device and the reduction gear. Note ...
  • Page 44 Chapter 5 Installation Note  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 irregularity, and durability. ...
  • Page 45 Chapter 5 Installation  When sealing with an O-ring O-ring (I)  Fit an O-ring (I) into the groove on the shaft mounting surface. (Reference: “4.2.6 O-rings”) O-ring groove on the shaft Fig. 5-20  When sealing with a liquid sealant ...
  • Page 46 Chapter 5 Installation Step 3 • Align the tapped holes of the shaft installation component with the positions of the mounting holes of the reduction gear (shaft section), and then attach the shaft installation component to the reduction gear. • Take extra care so that the O-ring is not caught by the mounting surface. •...
  • Page 47 Chapter 5 Installation Step 4 • Attach the deep groove ball bearing to the Deep groove Reduction gear ball bearing center gear, and then mate the center gear with the deep groove ball bearing and spur gear on the reduction gear side. •...
  • Page 48 Chapter 5 Installation Step 6 • Attach an oil seal and plugs for the tapped holes for injecting/draining grease to the case installation component. • Align the mounting holes of the reduction gear (case section) with the positions of the tapped holes of the case installation component, and then attach the case installation component to the reduction gear.
  • Page 49 Chapter 5 Installation Note  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 irregularity and durability. Serrated lock washer Hexagon socket head cap screw...
  • Page 50 Chapter 5 Installation For the original series Perform steps 1 to 6 by taking care regarding the following precautions. Step 1 • Prepare an O-ring groove on the shaft installation component and attach an O-ring (I). • Align the tapped holes of the shaft installation component with the positions of the mounting holes of the reduction gear (shaft section), and then attach the shaft installation component to the reduction gear.
  • Page 51 Chapter 5 Installation Shaft installation component O-ring (I) or liquid sealant Serrated lock washer Hexagon socket head cap screw Reduction gear Case installation component External load support bearing Plug for tapped hole for injecting/draining grease Fig. 5-27 Step 2 • Check the installation accuracy of the reduction gear using a dial gauge.
  • Page 52 Chapter 5 Installation Step 3 • For the pin-bolt clamping output shaft type, drill both a pin pilot hole for the reduction gear and a hole on the shaft installation component simultaneously using a reamer, and then tap the taper pin. •...
  • Page 53 Chapter 5 Installation Note  When a liquid sealant is used, if the leaking liquid sealant enters the reduction gear, it could cause deterioration of performance, such as abnormal noise, vibration, and torque irregularity. Also, if the liquid sealant adheres to the lip of the oil seal, it could cause leakage of the lubricant. ...
  • Page 54 Chapter 5 Installation • If the hexagon socket head cap screw is tightened with the specified torque before performing adjustment completely, it could cause deterioration of performance, such as vibration or torque irregularity. • For the pin/bolt clamping output shaft type, drill both a pin pilot hole for the reduction gear (case section) and a hole on the case installation component simultaneously using a reamer, and then tap the taper pin.
  • Page 55 Chapter 5 Installation 5.2.2. Installing the input gear  For straight shafts (attached to motor shaft tip) The following is an example when fixing the input gear to the motor shaft using a bolt. Perform steps 1 to 3 by taking care regarding the following precautions. ...
  • Page 56 Chapter 5 Installation Motor Seal washer Input gear Hexagon socket head cap screw Fig. 5-34  For straight shafts (attached to motor shaft base) The following is an example when fixing the input gear to the motor shaft using a set screw. Perform steps 1 to 3 by taking care regarding the following precautions.
  • Page 57 Chapter 5 Installation Motor Input gear Set screw Fig. 5-35 Note  If a thread-locking sealant is not used for the set screw, a clearance will be generated in the keyway, which could cause deterioration of performance, such as abnormal noise and vibration, and also lead to damage of the motor.
  • Page 58 Chapter 5 Installation Note  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. Step 4 •...
  • Page 59 Chapter 5 Installation 5.2.3. Installing the motor Install the motor with an attached input gear in the reduction gear already mounted with the motor mounting flange. The following is an installation example when sealing the input gear with an oil seal. Perform steps 1 to 3 by taking care regarding the following precautions.
  • Page 60 Chapter 5 Installation Note  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. Motor mounting flange Motor Oil seal Motor...

  • Page 61: Chapter 6 Filling The Lubricant

    Before filling the lubricant, take care regarding the following precautions.  This product is not filled with lubricant when shipped from Nabtesco. Before operating the product, be sure to fill it with an appropriate amount of lubricant specified by Nabtesco.
  • Page 62 Chapter 6 Filling the Lubricant Emergency remedy  If the lubricant gets into your eyes, rinse your eyes with clean water for 15 minutes and consult a physician.  If the lubricant contacts the skin, wipe it off completely and thoroughly rinse the affected area with water and soap.

  • Page 63: Reduction Gear Mounting Direction And Amount Of Lubricant

    Chapter 6 Filling the Lubricant 6.2. Reduction gear mounting direction and amount of lubricant The amount of grease the reduction gear requires will differ according to the orientation in which the gear is installed. The amount of lubricant required and the target range (the areas in the diagram) for each mounting direction of the catalog products described in “2.2 Parts codes of catalog products”...
  • Page 64 Chapter 6 Filling the Lubricant Table 6-1 Required amount Dimensions a Required amount Dimensions a Model Model (cc) (mm) (cc) (mm) RV-6E (38) RV-15 (79) RV-20E (78) RV-30 (146) 15.5 RV-40E (176) RV-60 (232) 10.5 RV-80E1 (345) RV-160 (403) RV-80E2 (311) RV-320 (796)
  • Page 65 Chapter 6 Filling the Lubricant Target range Tapped hole for Shaft installation injecting/ component draining grease Center gear external capacity Reduction gear external capacity Tapped Motor hole for injecting/ draining grease C series Fig. 6-2 Table 6-2 Required Reduction amount gear Center gear Dimensions a...
  • Page 66 Chapter 6 Filling the Lubricant 6.2.2. Vertical shaft installation  For the E series and original series The amount of lubricant the reduction gear requires and the target range (the areas in the diagram) when the reduction gear is installed in the vertical shaft are indicated in Fig. 6-3. Each amount does not include the space (the areas in the diagram) on the motor mounting side.
  • Page 67 Chapter 6 Filling the Lubricant Table 6-3 Required Dimensions Required Dimensions amount amount Model Model (cc) (mm) (cc) (mm) RV-6E (43) RV-15 (91) RV-20E (90) RV-30 (167) 15.5 RV-40E (202) RV-60 (266) 10.5 RV-80E1 (395) RV-160 (463) RV-80E2 (356) RV-320 1,014 (913) 21.6...
  • Page 68 Chapter 6 Filling the Lubricant Tapped hole for injecting/draining grease Shaft installation component Motor Reduction Tapped Center gear gear external hole for external capacity injecting/ capacity draining Lubricant grease surface Lubricant Tapped hole for surface injecting/draining grease Center gear external Reduction gear external capacity...

  • Page 69: Lubricant Filling Procedure

    Chapter 6 Filling the Lubricant 6.3. Lubricant filling procedure This section describes how to fill the lubricant. Perform steps 1 to 7 by taking care regarding the following precautions.  When handling the lubricant, be sure to wear protective goggles and rubber gloves. ...
  • Page 70 Chapter 6 Filling the Lubricant  Do not use the motor to rotate the output shaft of the reduction gear for safety, if possible. If the motor is 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.

  • Page 71: Chapter 7 Operation

     Components are fixed with each other correctly.  The mounting bolts are tightened securely.  The rotation section rotates in the desired direction. 7.2. Running-in operation It is recommended that the running-in operation is performed after the Nabtesco-specified lubricant is added. Important ...
  • Page 72 Chapter 7 Operation  The reduction gear could become extremely hot during operation. After stopping the operation, never touch the reduction gear until it is completely cooled. Touching the reduction gear could cause burns.  Do not operate the reduction gear under a condition that exceeds the allowable acceleration/deceleration torque, allowable moment, and allowable output speed.

  • Page 73: Chapter 8 Maintenance And Inspection

    Chapter 8 Maintenance and inspection Chapter 8 Maintenance and inspection This chapter describes how to perform maintenance and inspection. 8.1. Precautions on maintenance  Keep away from the rotation section during maintenance/inspection of the device currently in operation. You could be caught by the rotation section, which will result in serious injury. ...

  • Page 74: Lubricant Replacement

    For the lubricants specified by Nabtesco, refer to “4.2.7 Lubricants” 8.3.2. Lubricant replacement procedure This section describes how to replace lubricants.
  • Page 75 Chapter 8 Maintenance and inspection Step 1 • Rotate the output shaft of the reduction gear so that the tapped holes for injecting/draining grease are positioned diagonally. (When rotating the output shaft using electric power, do not approach the equipment and reduction gear.
  • Page 76 Chapter 8 Maintenance and inspection  Do not use the motor to rotate the output shaft of the reduction gear for safety, if possible. If the motor is 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.

  • Page 77: Troubleshooting Checksheet

    Make sure the required number of bolts are tightened uniformly with the specified tightening torque. Make sure the reduction gear, motor, or your company’s components are not installed at a slant. Make sure the specified amount of Nabtesco-specified lubricant has been added. Make sure there are no problems with the motor’s parameter settings.

  • Page 78: Appendix: Design Scheme Of Input Gear

    Appendix: Design Scheme of Input Gear Appendix Design Scheme of Input Gear For models RV-□E and RV-□, we have a variety of standard input gears for each speed ratio that can be additionally machined by the customers. Please machine and install the standard input gear based on the customer’s intended use, by referring to the following examples.
  • Page 79 Appendix: Design Scheme of Input Gear  Selection of the input gear type There are the following two types of standard input gear: Standard input gear A: For small motors Standard input gear B: For large motors Select the type of input gear to be used by referring to the tables below. Applicable motor shaft diameters for standard input gear (Unit: mm) (Unit: mm)
  • Page 80 Appendix: Design Scheme of Input Gear <Design example 2: For straight shafts (attached to motor shaft base)> Plunge grinding range Tapped hole for set screw Drill both at the same time Image of assembly Clearance Installation reference surface Note 1. When a tapped hole is not used for the motor shaft, fix the input gear to the motor shaft with a set screw. 2.
  • Page 81 Appendix: Design Scheme of Input Gear <Design example 3: For tapered shafts> d5 drill Tapered to 1/10 Note 1. 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. 2.
  • Page 82 Appendix: Design Scheme of Input Gear  Pass-through capacity of input gear The following table shows which ratios can and cannot allow the input gear to pass through. 1 = E type 2 = Original type (Unit: mm) Hole Speed ratio inadequate for Depth Speed ratio adequate for shaft passage diameter...
  • Page 83 Appendix: Design Scheme of Input Gear (Unit: mm) Deep groove ball +0.1 Model ±0.1 bearing RV-6E 10.3 6002 RV-20E, RV-15 11.7 6003 RV-40E, RV-30 13.9 11.5 6004 RV-80E, RV-60 *2 13.9 15.5 6005 RV-80E, RV-60 *3 13.9 19.5 6005 RV-160E 15.1 6006 RV-320E...
  • Page 84 Appendix: Design Scheme of Input Gear 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.
  • Page 85 Appendix: Design Scheme of Input Gear...
  • Page 86 Appendix: Design Scheme of Input Gear Gear tooth specifications Refer to the specifications shown in the following tables when designing with a processed or non-standard input gear. For a model or speed ratio other than those listed below, contact us. Common specifications Tooth profile Full depth...
  • Page 87 Appendix: Design Scheme of Input Gear...
  • Page 88 Appendix: Design Scheme of Input Gear...
  • Page 89 Appendix: Design Scheme of Input Gear Input gear tooth specifications for each model Refer to the 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...

  • Page 90: Contact Information

    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 manual are subject to change without prior notice. The PDF data of this manual can be downloaded from the following website.

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