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Precision Reduction Gear
Turn Table Gearhead
RS
Series
Operation Manual
<Applicable Model>
RS-260A, RS-320A, RS-900A
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.
®
RV
TM
ERD15042A
2016/10/01
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Table of Contents
Related Manuals for Nabtesco RV RS Series
Summary of Contents for Nabtesco RV RS Series
- Page 1 ® Precision Reduction Gear Turn Table Gearhead Series Operation Manual <Applicable Model> RS-260A, RS-320A, RS-900A 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.
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Page 2: Table Of Contents
Contents Contents Important Information ......................i 1. Intended use of this product ........................i 2. Rules to ensure safe use of this product ....................i 3. Sharing of hazard information with users....................ii 4. Product disposal ............................ii 5. Other important notes ..........................ii About This Manual ...................... - Page 3 Contents Chapter 6 Operation ....................25 6.1. Checking before operation ........................25 6.2. Running-in operation ..........................25 6.3. Precautions for operation ......................... 25 6.4. Servomotor ............................... 26 Chapter 7 Maintenance and Inspection ..............27 7.1. Precautions on maintenance ........................27 7.2.
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Page 4: Important Information
Failure to do so could cause injury or damage to the reduction gear. 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
English, the customer is responsible for conducting safety training and giving operation instructions to those workers. Copyrights The copyright 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 of one (1) year thereafter, or the end of two thousand... -
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. -
Page 10: General Precautions
Chapter 1 About Safety 1.3. General precautions This section describes general precautions for safe use of this product. For precautions concerning transportation, installation, operation, maintenance, and inspection, be sure to confirm the contents of the relevant chapter. Do not modify or disassemble the reduction gear in a manner not described in this manual. Failure to do so could cause injury or damage to the reduction gear. -
Page 11: Chapter 2 Product Overview
Chapter 2 Product Overview Chapter 2 Product Overview This chapter describes 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: Lubricant
Lubricant • The specified lubricant is filled before shipping. • When replacing the lubricant, be sure to use the Nabtesco-specified lubricant. For purchase of the lubricant, contact our service representative. • Do not mix it with other lubricants. Table 2-1... -
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 • Refer to the weights of the reduction gears listed in Table 3-1 and transport the product in an appropriate way. -
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℃. •... -
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 or rotary 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 Be sure that no load is applied to the center pipe when attaching the protective cover. The oil seals for the output shaft may be deformed, which could eventually cause leakage of the lubricant. ... - Page 17 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: Hexagon socket head cap screw JIS B 1176 : 2006 Strength class JIS B 1051 : 2000 12.9...
- Page 18 When using a liquid sealant to seal the sections between the reduction gear and the motor flange and between the motor flange and the motor installation surface, prepare one of the following liquid sealants recommended by Nabtesco. Table 4-4 Name...
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Page 19: Unpacking
Chapter 4 Preparations for Installation Note Do not use the above liquid sealants if the component of the customer’s device is made of copper or copper alloy. 4.3. Unpacking Check the following points when unpacking. • Before using this product, check the contents of the packing box and confirm that all the ordered items are included. - Page 20 Confirm that the contents of the packing box match the items in the illustration below when unpacking. • The packing material may differ depending on the product. The following illustration should only be referred to as an example. Example Nabtesco Corporation 型式 ＲＳ−３２０Ａ−１７０ 品目 Ｐ６７ＷＡ００１Ｂ００ Ｓ/Ｎ Ｒ３２０-０８１０００１ ｲﾝﾌﾟｯﾄｷﾞﾔ Bottom Shipping label Made in Japan...
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Page 21: 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 or for installing component shown in Fig. 2-1 to 2-3. • When using tapped holes for component attachment to lift the product, check the load capacity of the lifter and determine the number of tapped holes required. -
Page 22: Chapter 5 Installation
Chapter 5 Installation Chapter 5 Installation This chapter describes the installation of this product. Before installation, take care regarding the following precautions. • Do not stand on top of the reduction gear or put anything on it. • Be sure to install the reduction gear with the correct orientation. Note ... -
Page 23: Bolt Tightening Torque
(Reference: “4.2.3 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 24 Chapter 5 Installation Step 1 • Align the installation reference surface of the component on the fixed side with that of the reduction gear. Then use a reamer to drill a positioning pin hole for the reduction gear and the component on the fixed side.
- Page 25 Chapter 5 Installation Step 2 • Align the tapped holes of the reduction gear with the positions of the mounting holes for the component on the rotation side. Then attach the reduction gear to the specified position. • Confirm that the centering shaft of the reduction gear is correctly fitted into the centering hole of the component on the rotation side.
- Page 26 Chapter 5 Installation Step 3 • Align the mating part of the motor flange with that of the reduction gear. Then, while checking the bolt holes for securing the mating parts, attach the motor flange to the reduction gear. • Confirm that the centering shaft of the motor flange is correctly fitted into the centering hole of the reduction gear.
- Page 27 Chapter 5 Installation 5.3.2. Installing the input spline For straight shaft (with a key and tap) The following is an example when fixing the input spline to the motor shaft using a hexagon socket head cap screw. Perform steps 1 to 3 by taking care regarding the following precautions. •...
- Page 28 Chapter 5 Installation For straight shaft (with a key and set screw) The following is an example when fixing the input spline to the motor shaft using a set screw. Perform steps 1 to 3 by taking care regarding the following precautions. •...
- Page 29 Chapter 5 Installation For tapered shafts The following is an example of fixing the input spline to the motor shaft using a washer and a hexagon nut. Perform steps 1 to 3 by taking care regarding the following precautions. •...
- Page 30 Chapter 5 Installation When no straight shaft key is provided The following is an example when fixing the input spline to the motor shaft using a wedge-type frictional coupling. Perform steps 1 to 6 by taking care regarding the following precautions. •...
- Page 31 Chapter 5 Installation Step 5 • Check for deviation during rotation at Hexagon socket cap screw (4) Plate (2) position A of the input spline (1). If the Wedge-type frictional coupling (3) deviation is within 50 µm, the procedure Enlarged drawing is completed.
- Page 32 Chapter 5 Installation Step 3 • Using the hexagon socket head cap screw, fix the motor to the motor flange. • Confirm that the centering part of the motor flange and that of the motor are correctly fitted. • Check that there is no foreign matter adhering to the mounting surface.
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Page 33: Chapter 6 Operation
Chapter 6 Operation Chapter 6 Operation This chapter describes the operation of the product. 6.1. Checking before operation After installing this product in the customer’s device, check the following points before starting operation. • Components are fixed with each other correctly. •... -
Page 34: Servomotor
Chapter 6 Operation Note 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, refer to “7.4.1 Replacement period of lubricant”. -
Page 35: Chapter 7 Maintenance And Inspection
Chapter 7 Maintenance and Inspection Chapter 7 Maintenance and Inspection This chapter describes how to perform maintenance and inspection. 7.1. Precautions on maintenance Keep away from the rotation section during maintenance/inspection of the device currently in operation. Otherwise, you could be caught by the rotation section, which will result in serious injury. ... -
Page 36: Precautions When Handling The Lubricant
Chapter 7 Maintenance and Inspection 7.3. 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 and use it correctly. Improper use could impair your health. ... -
Page 37: Lubricant Replacement
40°C (the area in the right diagram), the state of the lubricant should be checked in advance and the grease replaced earlier as necessary. For the lubricants specified by Nabtesco, refer to “2.2 Lubricant”. Ambient temperature (°C) 7.4.2. Preparation Fig. - Page 38 Chapter 7 Maintenance and Inspection 7.4.3. Lubricant replacement procedure This section describes how to replace lubricants. Perform steps 1 to 11 by taking care regarding the following precautions. • When handling the lubricant, be sure to wear protective goggles and rubber gloves. ...
- Page 39 Chapter 7 Maintenance and Inspection Step 4 • Attach a grease nipple, etc. to the tapped hole for injecting/draining grease and then attach the injector. (Refer to Fig. 7-2) Step 5 • Using the injector or the like, fill the lubricant through the tapped hole for injecting/draining grease on the supply side.
- Page 40 Chapter 7 Maintenance and Inspection Step 9 • Repeat steps 4 to 8 until the reduction gear is filled with the same amount of lubricant as that was drained. Step 10 • It is recommended that the inside of the reduction gear is flushed so that the lubricant can be replaced more efficiently.
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Page 41: 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 42: 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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