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Chapter 8 Maintenance and inspection

68

Fig. 8-2

Vertical shaft installation

(with shaft facing downward)

Vertical shaft installation

(with shaft facing upward)

Horizontal shaft

installation

Shaft installation

component

Shaft installation

component

Shaft installation

component

Tapped hole for

injecting/draining

grease (drain side)

Tapped hole for

injecting/draining

grease (drain side)

Tapped hole for

injecting/draining

grease (drain

side)

Hose or the like

Hose or the like

Hose or the like

(Drains lubricant)

(Drains

lubricant)

(Drains lubricant)

Tapped hole for

injecting/draining

grease (supply side)

Tapped hole for injecting/

draining grease (supply

Tapped hole for

injecting/

draining grease

(supply side)

Injector

Injector

Injector

Motor

mounting flange

Motor

mounting flange

Motor mounting flange



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.

• 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

replaced more efficiently.

• Remove the injector from the tapped hole on the supply side, and attach a hexagon socket head cap

plug to the tapped hole on the drain side. Calculate output shaft conversion and set the motor
rotation speed so that the output shaft rotation speed is 5 to 10 rpm. Then, rotate the motor for
about one minute.



Set the rotation speed based on the output shaft conversion by taking the customer’s operation

conditions into account.

• Perform steps 1 and 9 again.

Step 11

• Attach the hexagon socket head cap plugs to the tapped holes for injecting/draining grease.

Step 12

Replace the seal tape with a new one.

• Wipe off the lubricant adhering to the surrounding completely.

Step 13

Important

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Содержание RV E 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...

Страница 2: ...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 Transport...

Страница 3: ...icant 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...

Страница 4: ...rations 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...

Страница 5: ...s 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 pe...

Страница 6: ...tomer 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 reprinti...

Страница 7: ...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 exposur...

Страница 8: ...mentary 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 refe...

Страница 9: ...iven 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 Indicat...

Страница 10: ...ection 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 foun...

Страница 11: ...ow 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...

Страница 12: ...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 P10L01...

Страница 13: ...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 R...

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 reductio...

Страница 15: ...y 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...

Страница 16: ...pe 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 instal...

Страница 17: ...face 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...

Страница 18: ...s 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 lo...

Страница 19: ...o 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...

Страница 20: ...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 separ...

Страница 21: ...inal 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 M...

Страница 22: ...ation 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 D Nominal size ID an...

Страница 23: ...gs 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 pr...

Страница 24: ...RV 27C 3 S120 2 119 5 2 0 RV 160E AS568 265 196 44 3 53 RV 50C 3 S100 2 99 5 2 0 RV 320E AS568 271 234 54 3 53 RV 50C 3 S150 2 149 5 2 0 RV 450E AS568 275 266 29 3 53 RV 100C 3 G115 114 4 3 1 RV 15 G...

Страница 25: ...80E AS568 263 183 74 3 53 RV 320C AS568 281 380 59 3 53 RV 110E G190 189 3 5 7 RV 500C G460 459 3 5 7 RV 160E G220 219 3 5 7 RV 60 AS568 165 164 77 2 62 RV 320E G270 269 3 5 7 RV 320 AS568 178 247 32...

Страница 26: ...co 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...

Страница 27: ...ear If it is left upside down 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 th...

Страница 28: ...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 ge...

Страница 29: ...g 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 seali...

Страница 30: ...ter 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 leakag...

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 t...

Страница 32: ...nt 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...

Страница 33: ...ting 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 th...

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...

Страница 35: ...ants 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 surf...

Страница 36: ...uction 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 gi...

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 compon...

Страница 38: ...he 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...

Страница 39: ...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 vibra...

Страница 40: ...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 th...

Страница 41: ...g 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 reducti...

Страница 42: ...nt 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 oi...

Страница 43: ...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 serr...

Страница 44: ...hat 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...

Страница 45: ...ction 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 th...

Страница 46: ...unting 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...

Страница 47: ...g 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 reducti...

Страница 48: ...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 draini...

Страница 49: ...nting 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 s...

Страница 50: ...r 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 se...

Страница 51: ...m 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 m Reference 5 1 Bolt tightening torque...

Страница 52: ...ill 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 p...

Страница 53: ...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 foreig...

Страница 54: ...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 rea...

Страница 55: ...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...

Страница 56: ...or 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...

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 moto...

Страница 58: ...s 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 necessar...

Страница 59: ...n 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 m...

Страница 60: ...d 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 ex...

Страница 61: ...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...

Страница 62: ...t 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 i...

Страница 63: ...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 mount...

Страница 64: ...ft 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...

Страница 65: ...mperature 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 c...

Страница 66: ...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 upwar...

Страница 67: ...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...

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 s...

Страница 69: ...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 p...

Страница 70: ...ng 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 install...

Страница 71: ...roblem 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 Duri...

Страница 72: ...ion 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...

Страница 73: ...otective 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...

Страница 74: ...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...

Страница 75: ...d 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...

Страница 76: ...sed 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 t...

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 gea...

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...

Страница 79: ...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 d...

Страница 80: ...roove 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 toleranc...

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 manufac...

Страница 82: ...00 128 144 170 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 12...

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 2...

Страница 84: ...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 eac...

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...

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

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

Страница 89: ...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 Detai...

Страница 90: ...l 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 C...

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