Gear Head. Contents Gear head Overview Model list High torque gear head Right-angle gear head Decimal gear head B-432 B-440 B-444 B-446 B-448 B-430

Transcription

1 Gear Head Contents Gear head Overview Model list High torque gear head Right-angle gear head Decimal gear head B-43 B-44 B-444 B-446 B-43

2 Outline of gear head Features Various s of gear heads are available. The X is available in a metal bearing model and or a ball bearing. The P (9 mm only) is high torque : its maximum permissible shaft torque is N m (3 reduction s from /3 to /8 are available for the X ; 3 reduction s from /3 to / are available for the Y and Z s. When the decimal gear head (reduction : /) is used, a reduction of up to /8 (/ for the Y and Z s) can be attained. The X and Z of 9 mm are available in right-angle. Gear A: 3 W or smaller / Hinge not (4 mm ) X: 4 W or smaller / Hinge not Z: 6 W or larger / Hinge not Y: 6 W or larger / Hinge R: 6 W or larger, High torque / Hinge not P: 6 W or larger, High torque / Hinge Right -angle C&B Right -angle For allowable gear head permissible torque, see C&B (p. B-348). Gear and reduction list Gear A X Y Z P R Gear Motor capacity Hinge Gear and reduction list (decimal gear head used) X Y, P Z, R X Z X Y X Z 3 W or smaller 4 W or smaller 6 W, 9 W 4 W or smaller 6 W, 9 W 4 W or smaller 6 W or larger Motor capacity 4 W or smaller 6 W, 9 W 4 W or smaller 6 W, 9 W Hinge not Hinge Hinge /3 /3.6 /5 /6 /7.5 /9 / /.5 /5 /8 / /5 /3 /36 /5 /6 /75 /9 / / /5 /8 / Hinge / /5 /3 /36 /5 /6 /75 /9 / / /5 /8 / N G = Coding system M X 7 G 5 B A Output Gear head 6 : 6 mm (.36 inch ) 7 : 7 mm 8 : 8 mm (3.5 inch ) 9 : 9 mm (3.54 inch ) X: 4 W or smaller / Hinge not Z: 6 W or larger / Hinge not Y: 6 W or larger / Hinge R: 6 W or larger, High torque / Hinge not P: 6 W or larger, High torque / Hinge Bearing M 4 G A 3 F Gear head 4 : 4 mm (.65 inch ) Type Calculation of torque at output shaft of gear head Standard gear head only NM i TG = TM x i x NG : Speed of gear head NM : Motor speed i : of gear head TG : Output torque of gear head TM : Motor torque : Gear head efficiency (r/min) (r/min) (N m) (N m) Thin gear head A : Applicable to 6 mm and 7 mm gear heads with a reduction of /5 or smaller, Blank for others U : Gear head -inch (U.S.A.) B : Ball bearing M: Metal bearing XB : Decimal gear head R : Right-angle gear head (9 mm : Applicable to MX and MZ only) H : Gear head for C&B Ball bearing) (Example) 5: of /5 Bearing For 4 mm (.65 inch ) F : Ball bearing + Metal bearing (Example) 3 : of /3 With decimal gear head N G = NM i x i D TG = T M x i x i D x x D * The and gear are sold separately. * The and gear are sold separately. NG : Speed of gear head (r/min) NM : Motor speed (r/min) i : of gear head TG : Output torque of gear head (N m) TM : Motor torque (N m) : Gear head efficiency i D : of decimal gear head D : Decimal gear head efficiency * In the case of the variable speed, regard the serviceability limit torque as the torque. B-43 B-433

3 Outline of gear head Maximum permissible torque There is a limit to the strength of a gear due to its material and construction. The usable load torque determined based on this limit is called permissible torque. As can be seen from the above-mentioned formula, the load becomes larger when the reduction is increased. If the gear head is used with the load exceeding the permissible torque, its life expectancy will be shortened significantly. Refer to the following graph and the permissible torque for each model and use the gear head at an appropriate load. Nominal reduction and actual reduction e that there is a difference between the nominal reduction and actual reduction of each gear head. Refer to the table below. When using the gear head, calculate the speed based on the actual reduction. * Gear heads dedicated to C&B s have the same nominal reduction and actual reduction. Example: nominal reduction /3; actual reduction /3 For practical use, calculate the speed based on the actual reduction. Maximum permissible torque 94 (3) 45 (5) 96 () 47 (5) 98 () 49 (5) M 9G 9 W M 9G 6 W M 9G 9 W MX8G 5 W MX7G W M 9G 6 W MX9G 4 W MX8G 5 W MX7G 5 W MX6G 6 W MX6G 3 W Maximum permissible torque (Gear head for C&B ) 568 (6) 37 (4) 76 () 98 () 784 (8) 588 (6) 39 (4) 96 () MY9G H(9 W) MY9G H(6 W) MX9G H MX8G H MX7G H MX6G H : : Y, Z : P, R Gear head Nominal reduction /3 /3.6 /5 /6 /7.5 /9 / /.5 /5 /8 / /5 /3 /36 /5 /6 /75 /9 / / /5 /8 / M4GA /3 /3.6 /5 /6 /7.5 /9 /.5 /5 /8 /5 /3 /36 /5 /6 /75 /9 / / /5 /8 Decimal gear head Nominal reduction / Actual reduction MZ9G MX6G MX7G MX8G MX9G MY9G /.96 /3.59 /5.4 /6. /7.49 /9.7 /9.9 /.7 /5. /8. /9.8 /5. /9.7 /36.4 /5.4 /59.6 /75.8 /9. /98.9 /9.3 /48.9 /79.3 /.99 /3.64 /4.95 /6.8 /7.48 /8.98 /. /.6 /4.9 /8. /9.8 /5.3 /3. /36.4 /49.8 /59.9 /75.4 /9.8 /.7 /9. /47.6 /8. /3. /3.6 /4.98 /5.96 /7.48 /9. /9.99 /.5 /4.9 /8. /. /5. /3.3 /36.4 /49.8 /6. /76. /9.5 /98. /.5 /48.9 /83.5 /.98 /3.59 /5. /6. /7.54 /9.7 /9.9 /.5 /4.9 /8. /. /5.3 /3.4 /36.5 /5. /6.3 /74.6 /88.3 /97.8 /. /46.5 /77. /3. /3.6 /5.3 /6. /7.58 /9.6 /. /.3 /4.8 /8. /9.9 /5.5 /3. /36. /5.9 /6.5 /76. /89.8 /98.6 /. /5.4 /8. /. MR9G MP9G /5.9 /6.5 /76. /89.8 /98.6 /. /5.4 /8. /. Right-angle MX9G R /3.5 /3.65 /5.6 /5.93 /7.5 /9.9 /.5 /5. /7.8 /5. /3. /36.3 /49.4 /6.5 /74. /9.7 /. /. /54.6 /8. Right-angle MZ9G R /3. /3.6 /4.97 /6. /7.57 /9.4 /.6 /5. /7.8 /5.3 /3.4 /36. /49.6 /59.8 /75.6 /9. /. /.9 /5. /8. /.4 Actual reduction MX6GXB MX7GXB MX8GXB MX9GXB MZ9GXB /.4 /9.93 /9.94 /. /9.97 for C&B /3 /3.6 /5 /6 /7.5 /9 / /.5 /5 /8 / /5 /3 /36 /5 /6 /75 /9 / / /5 /8 / B-434 B-435

4 Outline of gear head Gear head efficiency for C&B M4GA F MX6G B MX7G B MX8G B MX9G B MZ9G B MY9G B MX6G M MX7G M MX8G M MX9G M MX9G R MZ9G R MX6G H MX7G H MX8G H MX9G H MY9G H % 8 % 75 % 8 % 8 % 75 % 7 % 6 % 6 % 7 % 6 % 6 % 6 % 5 % 6 % 6 % 4 % 7 % 45 % 6 % 54 % 45 % Decimal gear head * When the decimal gear head is used, the total efficiency is the product of gear head efficiency and decimal gear head efficiency. Gear head efficiency and ambient temperature Calculate the actual gear head efficiency by multiplying the above-shown gear head efficiency at room temperature by the torque reduction shown below. Torque reduction [%] % 8 % 75 % 4 [ C] Ambient temperature 75 % 7 % 7 % 65 % 8 % 8 % 8 % 8 % 8 % Overhung load and thrust load The overhung load is defined as a load applied to the output shaft in the right-angle direction. This load is generated when the gear head is coupled to the machine using a chain, belt, etc., but not when the gear head is directly connected to the coupling. As shown in the figure below, the permissible value is determined based on the load applied to the L/ position of the output shaft. The thrust load is defined as a load applied to the output shaft in the axial direction. Because the overhung load and thrust load significantly affect the life of the bearing, take care not to allow the load during open to exceed the permissible overhung load and thrust load shown in the table below. Overhung load and thrust load Permissible load list Service factor Life expectancy of varies depending on load fluctuation. To determine the life expectancy, a factor called service factor, as shown in the table below is used.first choose the appropriate service factor according to the of load and multiply the result by the required power to determine the design power. Service factor Type of load L Constant Light-impact Medium-impact Heavy-impact W (Overhung load) L L d F (Thrust load) Typical load Belt conveyor, One-directional rotation Start/Stop, Cam-drive Instant FWD/REV, Instant stop Frequent medium-impact 4 mm (.65 inch ) 6 mm (.36 inch ) 7 mm 8 mm (3.5 inch ) 9 mm (3.54 inch ) 9 mm (3.54 inch ) High torque 9 mm (3.54 inch ) Right-angle The required allowable shaft torque TA of the gear head can be determined based on the service factor and actual load torque T: TA = T x Sf TA : Allowable torque of gear head (N m) T : Actual load torque (N m) Sf : Service factor Model M4GA F MX6G B(A) MX6G M(A) MX7G B(A) MX7G M(A) MX8G B MX8G M MX9G B MX9G M MZ9G B MY9G B MX9G R MZ9G R Permissible overhung load 5 hours/day.8..5 Service factor 8 hours/day hours/day Use the so that the allowable torque TA calculated from the formula above falls within the allowable torque range. * Though it seems that the can be operated even in overload when the service factor is.8, note that the service factor is defined for the allowable torque of the gear head. If the is operated in overload, the life of insulator may be shortened or the may be burned out due to an abnormal temperature rise. N lb Permissible thrust load N lb B-436 B-437

5 Outline of gear head Standard life expectancy Standard life expectancy: Standard life expectancy when operated for 8 hours/day at the standard load (Service factor=.) * The oil seal is excluded because it is a consumable. Calculation of life expectancy Calculate the life expectancy while referring to the service factor table shown last pege. When the service factor is., for example, the life expectancy is calculated as follows: Life expectancy = (h) /. = 5 (h) Prepan () Prepare a gear head that matches a described in this manual. Use of incompatible gear head will cause malfunction. () Check O-ring being correctly placed in a right place. If it is not, this may result in grease in the gear head coming out. (3) Wipe off any grease on the gear head flange surface. Standard life expectancy Life (hours) Ball bearing Decimal gear head hours* Metal bearing hours Right-angle 5 hours 4 mm hours for C&B 5 hours * 5 hours when used on reversible Motor flange O ring Gear head flange (5) Tighten the screws correctly. DON'T Correct Wrong Don't touch screws on the output shaft of gear head. Considens for installation of gear head <e> Do not forcedly assemble the and gear head. Do not damage the tooth of the pinion and gear head. Incorrect assembly results in abnormal noise genen or shortened unit life. Will cause malfunction. Screws You may experience a sliping gear contact due to broken pinion tooth, locked gear or leaked grease as the gear head life comes closer. Place a safety device to keep safe open at any time even if such problems take place. Assembling () Place the unit so that the shaft faces up. Direction of the lead and output shaft of gear head must match an application. () Do not contact a tooth tip of pinion shaft to a tooth tip of gear head. Set each toothes of and gear head correctly and gently press and turn the gear head in counter and counterclockwise. (3) To attach the gear head to an application, use the "attaching screws" supplied with the gear head and tighten the screws with appropriate torque and with care not to pinch the O ring, so that the there is no gap between flange and gear flange. (4) The recommended torque is shown below. Screw size Tightening torque N m lb-in 4 mm (.65 inch ) M3.6 to 5.3 to mm (.36 inch ) M4 to to. 7 mm M5.5 to 3. to mm (3.5 inch ) M5.5 to 3. to mm (3.54 inch ) M6 3.5 to to 39.8 Motor pinion O ring Leadwires Output shaft Faucet portion end face Faucet face Flange face Assemble the shaft facing up. Place a drop-proof device in an verticlly motioned application like a lifter. Place a device to open the door in a door application just in case the gear head is locked. Place an oil pan to prevent oil from coming out in an application like food/textile etc. Do not place an encoder, sensor, contact, etc near a gear head where the grease may leaking out. If not, please have a protection from grease. Have a routain check of the gear head to avoid unexpected accident. <Precautions> Keep the gear head to the. Otherwise, the O ring may become distorted or damaged, causing grease leakage. When reassembling, first replace the O ring with a new one. When installing a associated with the gear head to the application device, temporarily secure the and gear head with a tape until assembly completes. Considens for storage of gear head When storing the gear head as a single unit, place it with the output shaft facing down. (To prevent grease leakage) Gear head Tape Motor B-438 B-439

6 Model list of gear head Gear head Ball bearing 6 mm (.36 inch ) 7 mm 8 mm (3.5 inch ) 9 mm 3.54 inch ( ) 4 W Common to 6 W, 9 W 6 mm (.36 inch ) 7 mm 8 mm (3.5 inch ) 9 mm 3.54 inch ( ) /3, /3.6, /5, /6, /7.5, /9 /, /.5, /5, /8, /5, /6 /75, /9, /, /, /5, /8, / /3, /3.6, /5, /6, /7.5, /9 /, /.5, /5, /8, /5, /6 /75, /9, /, /, /5, /8, / Hinge * For the specifications for each item, refer to the page of the to which it can be applied. Metal bearing 4 W MX6G3BA MX6G8BA MX6GBA MX6G36B MX6G5B MX6G8B MX7G3BA MX7G8BA MX7GBA MX7G36B MX7G5B MX7G8B MX8G3B MX8G8B MX8GB MX8G36B MX8G5B MX8G8B MX9G3B MX9G8B MX9GB MX9G36B MX9G5B MX9G8B MZ9G3B MZ9G9B MZ9GB MZ9G8B MZ9GB MZ9G6B MZ9G75B MZ9GB MY9G3B MY9G9B MY9GB MY9G8B MY9GB MY9G6B MY9G75B MY9GB Hinge * For the specifications for each item, refer to the page of the to which it can be applied. MX6G3MA MX6G8MA MX6GMA MX6G36M MX6G5M MX6G8M MX7G3MA MX7G8MA MX7GMA MX7G36M MX7G5M MX7G8M MX8G3M MX8G8M MX8GM MX8G36M MX8G5M MX8G8M MX9G3M MX9G8M MX9GM MX9G36M MX9G5M MX9G8M Ball bearing and metal bearing Hinge 4 mm (.65 inch ) * For the specifications for each item, refer to the page of the to which it can be applied. High torque gear head 9 mm (3.54 inch ) /5, /6 /75, /9, /, /, /5, /8, / /5, /6 Right-angle gear head 9 mm 3.54 inch ( ) /3, /3.6, /5, /6, /7.5, /9, /.5, /5, /8 /5, /3, /36, /5, /6 /75, /9, /, /, /5, /8 /75, /9, /, /, /5, /8, / /3, /3.6, /5, /6, /7.5, /9, /.5, /5, /8 /5, /3, /36, /3, /3.6, /5, /6, /7.5, /9, /.5, /5, /8, /5 /3, /36, /5, /6, /75, /9, /, /, /5, /8, / M4GA3F M4GA8F M4GA5F M4GA6F M4GA75F M4GA8F Hinge MR9G5B MR9G6B MR9G75B MR9GB MP9G5B MP9G6B MP9G75B MP9GB Hinge 4 W Common to 6 W, 9 W Gear head for C&B (Ball bearing) MX9G3R MX9G8R MX9G5R MX9G36R MX9G5R MX9G8R MZ9G3R MZ9G5R MZ9G3R MZ9G6R MZ9G75R MZ9GR Hinge 6 mm (.36 inch ) 7 mm 8 mm (3.5 inch ), MX6G3H MX6GH MX6G5H MX7G3H MX7GH MX7G5H MX8G3H MX8GH MX8G5H MX6G8H MX6G36H MX6G8H MX7G8H MX7G36H MX7G8H MX8G8H MX8G36H MX8G8H 9 mm 4 W MX9G3H MX9G8H MX9GH MX9G36H 3.54 inch ( ) MX9G5H MX9G8H Common to 6 W, 9 W /3, /3.6, /5, /6, /7.5, /9 /, /.5, /5, /8,, /5, /6 /75, /9, /, /, /5, /8, / MY9G3H MY9GH MY9G7H MY9G9H MY9G6H MY9GH * For the specifications for each item, refer to the page of the to which it can be applied. * The details refer to B-34. B-44 B-44

7 Model list of gear head Gear head accessory Decimal gear head (Cannot be used for C&B ) Ball bearing / Metal bearing / Ball bearing and metal bearing 4 mm (.65 inch ) 6 mm (.36 inch ) 7 mm 8 mm (3.5 inch ) 9 mm 4 W 3.54 inch Common to ( ) 6 W, 9 W /3 to /8 /3 to /5 /3 to /8 /3 to /5 /3 to /8 /3 to /8 /3 to /8 /3 to / /3 to / M4GA3F M4GA8F MX6G3BA MX6G3B MX7G3BA MX7G3B MX6G5BA MX6G8B MX7G5BA MX7G8B MX8G3B MX8G8B MX9G3B MX9G8B MZ9G3B MZ9GB MY9G3B MY9GB Accessory Unit: mm (inch) Screw Flat washer Hexagon nut Key M3P.5 x 38 () pan head screw: M4P.7 x 4 (7) M4P.7 x 5 (.97) For M3P.5: For M4P.7: 4 For M4P.7: 4 M3P.5: M4P.7: 4 M4P.7: 4 M5P.8 x 5 (.97) For M5P.8: 4 M5P.8: 4 M5P.8 x 55 (.7) For M5P.8: 4 M5P.8: 4 M5P.8 x 55 (.7) For M5P.8: 4 M5P.8: 4 M6P. x 65 (.56) For M6P.: 4 M6P.: 4 M6P. x 85 (3.35) 5 x 5 x 5 (. x. x.98) For M6P.: 4 M6P.: 4 M6P. x 5 (.98) 5 x 5 x 5 (. x. x.98) For M6P.: 4 M6P.: 4 6 mm (.36 inch ) 7 mm 8 mm (3.5 inch ) 9 mm 3.54 inch ( ) 4 W Common to 6 W, 9 W / / / / / MX6GXB MX7GXB MX8GXB MX9GXB MZ9GXB MX6G BA MX6G B MX7G BA MX7G B MX8G B MX9G B MZ9G B MY9G B Page High torque gear head 9 mm (3.54 inch ) /5 to / /5 to / Right-angle gear head 9 mm 4 W 3.54 inch Common to 6 W, 9 W ( ) /3 to /8 /3 to / Gear head for C&B MR9G5B MR9GB MP9G5B MP9GB MX9G3R MX9G8R MZ9G3R MZ9GR Accessory Unit: mm (inch) Screw Flat washer Hexagon nut Key M6P. x (.79) 6 x 6 x 3 (.4 x.4 x.8) For M6P.: 4 M6P. x 5 (.98) 6 x 6 x 3 (.4 x.4 x.8) For M6P.: 4 M6P.: 4 Accessory Unit: mm (inch) Screw Flat washer Hexagon nut Key M6P. x (.79) For M6P.: 4 M6P. x (.79) 5 x 5 x 5 (. x. x.98) For M6P.: 4 Accessory Unit: mm (inch) Screw Flat washer Key 6 mm M4P.7 x 4 (7) /3 to /8 MX6G3H MX6G8H (.36 inch ) For M4P.7: 4 /5 to /8 MX6GH MX6G8H M4P.7 x 5 (.97) For M4P.7: 4 7 mm M5P.8 x 55 (.7) /3 to /8 MX7G3H MX7G8H For M5P.8: 4 /5 to /8 MX7GH MX7G8H M5P.8 x 65 (.56) For M5P.8: 4 8 mm M5P.8 x 55 (.7) /3 to /8 MX8G3H MX8G8H (3.5 inch ) For M5P.8: 4 /5 to /8 MX8GH MX8G8H M5P.8 x 65 (.56) For M5P.8: 4 9 mm M6P. x 7 (.76) /3 to /8 MX9G3H MX9G8H (3.54 inch ) For M6P.: 4 /5 to /8 MX9GH MX9G8H M6P. x 85 (3.35) For M6P.: 4 /3 to / MY9G3H MY9GH M6P. x 5 (.98) 5 x 5 x 5 (. x. x.98) For M6P.: 4 * Though a hexagon nut is supplied with the accessories, it is not necessary in mounting the gear head. Decimal gear head fixing screw (option: page D-) 6 mm (.36 inch ) 7 mm 8 mm (3.5 inch ) 9 mm 3.54 inch ( ) 4 W Common to 6 W, 9 W MX6GXB MX7GXB MX8GXB MX9GXB MZ9GXB MX6G BA MX6G B MX6G MA MX6G M MX7G BA MX7G B MX7G MA MX7G M MX8G B MX8G M MX9G B MX9G M MZ9G B MY9G B Gear fixing screw MPM4 MPM5 MPM5 MPM63 MPM64 MPM6 Specification [Unit: mm(inch)] Cross recessed pan head screw M4 pitch.7, length 85(3.35) Cross recessed pan head screw M5 pitch.8, length 95(3.74) Cross recessed pan head screw M5 pitch.8, length 85(3.35) Cross recessed pan head screw M6 pitch., length (3.94) Cross-recessed hex head bolt M6 pitch., length 5(4.9) Cross recessed pan head screw M6 pitch., length 65(.56) B-44 B-443

8 B-444 High torque gear head Type of high torque gear head Dimensions Scale: /4, Unit: mm (inch) Gear fixing screw Ball bearing Hinge (not ) ( Ball bearing Hinge 75(.95) 45(.77) (.39) (53(.9)) (.47) 7(.8) 35 (.38) 3 (.8) 8(.3) 4M6P. (ø(.79)) (ø(ø.79)) 75(.96) 45(.77) (55(.7)) 7(.8) (.47) 35 (.38) 3 (.8) ø8.8 (ø.7.7 ø8.8 (ø.7.7 ø4 (ø7) ø4 (ø7) + 4ø (ø.33 4ø8.5(ø.33) 6(.36) 36(.4) 4ø6.5(ø.6) * Please read your User's manual carefully so that you will understand the open and safety precautions before attempting to operate the system. 6(.4) 6(.4) ø4(ø4.9) 9 mm (3.54 inch ) 8 (.7) 4.5 (.57) 8 (.7) 4.5 (.57) ø4(ø4.9) 6(.36) 9 mm (3.54 inch ) (4.33) 3(5.) Allowable shaft torque with high torque gear head directly connected * The number of revolutions is calculated based on the synchronous rotating speed (5 r/min, 8 r/min). Usually, actual speed is slow by % to % the value shown in the table, depending on load condition. Hinge not 9 mm (3.54 inch ) / 6 W Hz Speed (r/min) 6 Hz MR9G5B MR9GB 5 Hz 5. (35).7 () 8. (6) 5. (35). (96) 8.6 (65) 6.5 (35). (96) 4.6 (8) lb lb Unit of permissible torque: upper (N m) / lower (lb-in) Hinge not 9 mm (3.54 inch ) / 9 W Unit of permissible torque: upper (N m) / lower (lb-in) Hz Speed (r/min) 6 Hz ) ball bearing ( hinge not ) 6 Hz MR9G5B MR9GB ball bearing ( hinge not ) 5 Hz 6 Hz. (88) 8.3 (6) 5.5 (6). (88) MZ9GXB 6.7 (36) Permissible torque at output shaft of gear head using decimal gear head Decimal Speed 5 Hz Bearing gear head (r/min) 6 Hz ball bearing ( hinge not ) Permissible torque N m (lb-in) M6P. x (.79) M6P. x 5(.98) * Cannot be to the C&B Allowable shaft torque with high torque gear head directly connected * The number of revolutions is calculated based on the synchronous rotating speed (5 r/min, 8 r/min). Usually, actual speed is slow by % to % the value shown in the table, depending on load condition. With hinge Sq.9 mm (3.54 inch ) / 6 W Unit of permissible torque: upper (N m) / lower (lb-in) Speed reduction Hz Rotating speed (r/min) 6 Hz MP9G5B MP9GB 5 Hz 6 Hz 5. (35).7 () 8. (6) 5. (35). (96) 8.6 (65) 6.5 (35). (96) 4.6 (8) Rotation direction Same as on the With hinge Sq.9 mm (3.54 inch ) / 9 W Unit of permissible torque: upper (N m) / lower (lb-in) Speed reduction Hz Rotating speed (r/min) 6 Hz (Ball bearing, with hinge) MP9G5B MP9GB (Ball bearing, with hinge) 5 Hz 6 Hz. (8) 8.3 (6) 5.5 (6). (88) MZ9GXB 6.7 (36) Rotation direction Same as on the When intermediate gear head is used Speed reduction 5 6 Intermediate Rotating 5 Hz 3.5 Bearing speed gear head (r/min) 6 Hz (Ball bearing, with hinge) Allowable shaft torque N m (lb-in) Rotation direction Type of gear head not listed on each page 75.4 Same as on the (e) Because the dimensions may be subject to change, also check the determinate dimensions if the gear head is to be used for design B-445 Induction Reversible 3-phase Electromagnetic brake induction electromagnetic brake reversible single-phase unit C&B -pole round shaft Gear head Gear head -inch (U.S.A.)

9 Right-angle gear head Type of right-angle gear head Dimensions Gear fixing screw Scale: /4, Unit: mm (inch) MX9G R (Ball bearing) MZ9G R (Ball bearing) 5(4.9) 93(3.66) 3(.6) 76(.99) (.47) 5 (.) 5 (.98) 3(5.6) 93(3.66) 38() 76(.99) (.47) 5(.) 5 (.98) ø34 (ø.34) ø34 (ø.34) 96(3.78) 9(3.54) 9.5(.37) 8(.7) 96(3.78) 9(3.54) (.47) 8(.7) 3(5.) 9(3.54) 4(.65) 4(.6) ø4 (ø4.9) 4ø8.5(ø.33) 3(5.) 9 mm (3.54 inch ) 4(.65) 5(.) ø4 (ø4.9) 4ø8.5(ø.33) * Cannot be to the C&B. Allowable shaft torque with right-angle gear head directly connected * The number of revolutions is calculated based on the synchronous rotating speed (5 r/min, 8 r/min). Usually, actual speed is slow by % to % the value shown in the table, depending on load condition. 9 mm (3.54 inch ) / 4 W Unit of permissible torque: upper (N m) / lower (lb-in) Hz Speed (r/min) 6 Hz MX9G3R MX9G8R (ball bearing) 5 Hz 6 Hz.6 (5.3).5 (4.43).7 (6.37).6 (5.3).98 (8.67).8 (7.6) MX9GXB.8 (.4).98 (8.67).47 (3.).3 (.9) Permissible torque.76 (5.6).47 (3.).45 (.7).4 (8.).94 (6.).45 (.7) 3.53 (3.).94 (6.) 5. (44.3) 4.7 (36.9) 6. (53.) 5. (44.3) 7.8 (63.6) 5.98 (5.9) 8.7 (7.3) Permissible torque at output shaft of gear head using decimal gear head Decimal Speed 5 Hz Bearing gear head (r/min) 6 Hz MX9G5R MX9G8R ø.8 (ø.47.7 ø5.8 (ø.59.7 N m (lb-in) lb.5 k 5.5 lb M6P. x (.79) M6P. x (.79) Type of gear head not listed on each page Allowable shaft torque with right-angle gear head directly connected * The number of revolutions is calculated based on the synchronous rotating speed (5 r/min, 8 r/min). Usually, actual speed is slow by % to % the value shown in the table, depending on load condition. 9 mm (3.54 inch ) / 6 W Unit of permissible torque: upper (N m) / lower (lb-in) Hz Speed (r/min) 6 Hz MZ9G3R MZ9GR (ball bearing) 5 Hz 6 Hz.9 (7.97).7 (6.).5 (.).9 (7.97) MZ9GXB (3.3).7 (.4).9 (7.) (3.3) Permissible torque. (9.5).7 (5.).8 (4.9). (9.5) 3.7 (3.7).9 (5.7) 4.4 (3.8) 3.44 (3.4) 5.6 (49.7) 4.4 (38.9) 7.4 (65.5) 5.79 (5.) 8.8 (77.9) 7.4 (65.5). (99.) 8.8 (77.9) 4.8 (3).6 (3) Permissible torque at output shaft of gear head using decimal gear head Speed 5 Hz Bearing MX9GXB (r/min) 6 Hz mm (3.54 inch ) / 9 W Hz Speed (r/min) 6 Hz MZ9G5R MZ9GR MZ9G3R MZ9GR (ball bearing) 5 Hz 6 Hz.3 ().6 (9.38) 9 (4.).3 () MZ9GXB.3 (.4).88 (6.6) N m (lb-in) (5.).3 (.4) Permissible torque (9.).69 (3.8) (35.8) 3.3 (9.) 5.6 (49.6) 4.56 (4.4) (6.) 5.54 (49.) (73.8) 6.8 (6.) (93.8) 8.5 (7.) ().6 (93.8) 8.9 (67) 4.8 (3) 5.3 (35) (38).7 () 6. (4) Permissible torque at output shaft of gear head using decimal gear head Speed 5 Hz Bearing MX9GXB (r/min) 6 Hz MZ9G5R MZ9GR N m (lb-in) Unit of permissible torque: upper (N m) / lower (lb-in) Induction Reversible 3-phase Electromagnetic brake induction electromagnetic brake reversible single-phase unit C&B -pole round shaft Gear head Gear head -inch (U.S.A.) B-446 * Please read your User's manual carefully so that you will understand the open and safety precautions before attempting to operate the system. (e) Because the dimensions may be subject to change, also check the determinate dimensions if the gear head is to be used for design. B-447

10 Decimal gear head Type of decimal gear head Type of decimal gear head * The decimal gear head fixing screw is sold separately. * Shown in is a gear. Dimensions Scale: /4, Unit: mm (inch) Gear fixing screw (option) MX6GXB 4.5(.96) 3(.5) 6 mm.5(.) (.4 inch ) ø54h7 (ø.3h7) 4ø4.5(ø.8) ø7(ø.76).3.5 lb MX6G BA MX6G B MX6G MA MX6G M MPM4 M4P.7 x 85(3.35) Cross recessed pan head screw Gear Head -Inch (U.S.A.) MX7GXB 8(.) 3.6(.54).5(.) ø64h7 (ø.5h7) 7 mm ø8(ø3.3) lb MX7G BA MX7G B MX7G MA MX7G M MPM5 M5P.8 x 95(3.74) Cross recessed pan head screw 4ø5.5(.) MX8GXB 3(.8).3(.44) (.8) ø75h7 (ø.95h7) 8 mm (3.5 inch ) ø94(ø3.7) lb MX8G B MX8G M MPM5 M5P.8 x 85(3.35) Cross recessed pan head screw 4ø5.5(ø.) MX9GXB 35(.38).8(.5) (.8) ø85h7 (ø3.35h7) ø4(ø4.9) 9 mm (3.54 inch ) 4ø7(ø.8).53.7 lb MX9G B MX9G M MPM63 M6P. x (3.94) Cross recessed pan head screw MZ9GXB 43(.69).5(.8) (.8) ø85h7 (ø3.35h7) ø4(ø4.9) 9 mm (3.54 inch ) 4ø7.5(ø.3) lb MZ9G B MY9G B * Fit tolerance symbol is used in the outside dimension diagram of and gear head. For further information, see Fit tolerance on page A-33. MPM64 M6P. x 5(4.9) Hexagon socket head bolt MPM6 M6P. x 65(.56) Hexagon socket head bolt Contents Gear head Overview Gear head dimensions Gear head combination dimensions B-45 B-45 B-45 * Please read your User's manual carefully so that you will understand the open and safety precautions before attempting to operate the system.

11 Outline of Gear head -inch (U.S.A.) Features These gear heads are designed according to inch system. All bearings are ball bearing. reduction s from /3 to /8 are available for the X ; 3 reduction s from /3 to / are available for the Z s. When the decimal gear head (reduction : /) is used, a reduction of up to /8 (/ for the Y and Z s) can be attained. Gear X: 4 W or smaller / Hinge not Z: 6 W or larger / Hinge not Hinge not Type of gear head -inch (U.S.A.) MX6G BU MX7G BU.[.3] (6[33]).4(6).5 (.7) Dimensions e: The value in [ ] is for gear of /3 or larger..8[.4] (33[36]).5 (.7).(5).35 DIA..39 DIA. (ø DIA DIA. [3/8"] (ø DIA.(ø5).98 DIA.(ø5).39().9(7.437).59(5).35(8.85).76 DIA..75 DIA. (ø7±.) 3.4 DIA. 3. DIA. (ø8±.) Scale: /4, Unit: inch (mm).36 (6 ).77 DIA.(ø4.5)-4HOLES.76 (7 ).7 DIA.(ø5.5)-4HOLES e: The value in [ ] is for gear of /3 or larger..4 (.53 lb) [.3 (.66 lb)].38 (.84 lb) [.45 (.99 lb)] Gear head -inch (U.S.A.) Gear fixing screw * Shown in is a gear. Unit: inch (mm) Screw: M4 x 5 Cross reccessed head screw...4 Flat washer for M4...4 Hexagon nut: M4...4 Screw: M5 x 55 Cross reccessed head screw...4 Flat washer for M5...4 Hexagon nut: M5...4 Induction Reversible 3-phase Electromagnetic brake induction Gear and reduction list Gear X Z Motor capacity 4 W or smaller 6 W, 9 W Coding system Hinge /3 /3.6 /5 /6 /7.5 /9 / /.5 /5 /8 / /5 /3 /36 /5 /6 /75 /9 / / /5 /8 / MX8G BU.8(3).4(6).5 (.7).375 DIA DIA. [3/8"] (ø DIA.(ø3).59(5).35(8.85) 3.7 DIA DIA. (ø94±.) 3.5 (8).7 DIA.(ø5.5)-4HOLES.6 (.3 lb) Screw: M5 x 55 Cross reccessed head screw...4 Flat washer for M5...4 Hexagon nut: M5...4 reversible electromagnetic brake single-phase M X 9 G 3 B U Output X: 4 W or smaller / Hinge not Z: 6 W or larger / Hinge not Gear head 6 : 6 mm (.36 inch ) 7 : 7 mm 8 : 8 mm (3.5 inch ) 9 : 9 mm (3.54 inch ) * For details of gear head, refer to B-43~. Bearing Inch sized gear head U : Inch sized gear head B : Ball bearing (Example) 3: of /3 * The and gear are sold separately. MX9G BU MZ9G BU.46(37).(5).75 (9).36(6).78(7) (38).5.5 DIA DIA. [/"] (ø DIA..643 DIA. [5/8"] (ø DIA.(ø36).34 DIA.(ø34).7(8).7(8).45(.4) 4. DIA. 4.9 DIA. (ø4±.) 4. DIA. 4.9 DIA. (ø4±.) 3.54 (9 ).76 DIA.(ø7)-4HOLES 3.54 (9 ).88.6 ( DIA.(ø7)-4HOLES ( (.76 lb).4 (3.9 lb) Screw: M6 x 65 Cross reccessed head screw...4 Flat washer for M6...4 Hexagon nut: M6...4 Screw: M6 x 85 hexagon socket head bolt...4 Flat washer for M6...4 Hexagon nut: M6...4 Key: one-end round....5± ( ( unit -pole round shaft Gear head Gear head -inch (U.S.A.) (e) Because the dimensions may be subject to change, also check the determinate dimensions if the gear head is to be used for design. B-45 B-45

12 Gear head combination dimensions * Please read your User's manual carefully so that you will understand the open and safety precautions before attempting to operate the system. B (9 ) MAXø3.39(86) 4.33[4.57]([6]) 3.5(8).8[.4] (3[36]) MAXø.56(65) MAXø.9(74).98 DIA.(ø5) 3.98[4.5]([8]).6(3).95(75).[.3].4.5 (6[33]) (6) (.7).(5).5 (.7) 4.53(5) 3.35(85).8(3).4(6).8 DIA.(ø3) MAXø3.74(95).5 (.7).375 DIA DIA. [3/8"] (ø (4) 4.3(5).46(37).(5).75 (9).4 DIA.(ø36).5 DIA DIA. [/"] (ø DIA.(ø5).35 DIA..39 DIA. [5/6"] (ø DIA DIA. [3/8"] (ø Induction/ Reversible/ 3-phase (leadwire) 7(4) 7.9(8) 4.7().36(6) (38).5.34 DIA.(ø34) 3.6 (9 ).34 DIA.(ø34).65 DIA..643 DIA. [5/8"] (ø DIA..643 DIA. [5/8"] (ø mm (.36 inch ) 6 W 7 mm 5 W e: The value in [ ] is for gear of /3 or larger. e: The value in [ ] is for gear of /3 or larger. 8 mm (3.5 inch ) 5 W 9 mm (3.54 inch ) 4 W 9 mm (3.54 inch ) 6 W 9 mm (3.54 inch ) 9 W 7(4) 7.68(95) 5.3(35).36(6) (38).5 * Three-phase of 6 mm or 7 mm is not available. Induction Reversible 3-phase Electromagnetic brake induction reversible electromagnetic brake single-phase unit C&B -pole round shaft Gear head Gear head -inch (U.S.A.).8(3)max..95(75).39() 3.35(85) 3.79(96.3).4(6).8(3).5(.7) Scale: /4, Unit: inch (mm) 4.3(5) 5.59(4) (e) Because the dimensions may be subject to change, also check the determinate dimensions if the gear head is to be used for design. B-453 MAXø3.39(86) (.79()).8 DIA.(ø3) (.77(45)).375 DIA DIA. [3/8"] (ø MAXø3.74(95) (.79()) (.77(45)).8(3)max..95(75).39().75.(5) (9).46(37).4 DIA.(ø36).5 DIA DIA. [/"] (ø.7-.8 Induction/ Reversible/ 3-phase (sealed connector).8(3)max..95(75).39() 7(4) 4.7() 7.9(8).36(6).5 (38) 3.6 (9 ).34 DIA.(ø34) (.79()) (.77(45)).65 DIA..643 DIA. [5/8"] (ø (3)max..95(75).39() 7(4) 5.3(35) 7.68(95).36(6).5 (38) 3.6 (9 ).34 DIA.(ø34) (.79()) (.77(45)).65 DIA..643 DIA. [5/8"] (ø mm (3.5 inch ) 5 W 9 mm (3.54 inch ) 4 W 9 mm (3.54 inch ) 6 W 9 mm (3.54 inch ) 9 W

13 Gear head combination dimensions Electromagnetic brake (leadwire) 6 mm (.36 inch ) 6 W 7 mm 5 W.(3) MAXø.56(65) 5.65[5.93](43.5[5.5]).6(3) 4.5(4.5).[.3].67(4.5).83(7) (6[33]) (8.5) (6) (.7) Brake leadwires AWG.35 DIA..39 DIA. [5/6"] (ø DIA.(ø5).(3) MAXø.9(74).67(4.5) 5.98[6.](5[58]) 4.69(9).33(8.5) 3.(76.5).8[.4] (3[36]).(5).5 (.7) Brake leadwires AWG.375 DIA DIA. [3/8"] (ø DIA.(ø5) induction/ reversible (leadwire) 6 mm (.36 inch ) 6 W 7 mm 5 W.39() MAXø.56(65) ø7(4) 4.37[4.65]([8]).6(3).95(75).[.3].4.5 (6[33]) (6) (.7) Tacho-generator leadwires.35 DIA..39 DIA. [5/6"] (ø DIA.(ø5).39() MAXø.9(74) ø7(4) Scale: /4, Unit: inch (mm) 4.7[4.96]([6]) 3.5(8).8[.4] (3[36]).(5).5 (.7) Tacho-generator leadwires.375 DIA DIA. [3/8"] (ø DIA.(ø5) Induction Reversible 3-phase Electromagnetic brake e: The value in [ ] is for gear of /3 or larger. e: The value in [ ] is for gear of /3 or larger. e: The value in [ ] is for gear of /3 or larger. e: The value in [ ] is for gear of /3 or larger. 8 mm (3.5 inch ) 5 W MAXø3.39(86).87(47.5) 6.7(59.) 5.4(8) 3.7(8.5).33(8.5).8(3).4(6).5 (.7) Brake leadwires AWG.375 DIA DIA. [3/8"] (ø DIA.(ø3) 9 mm (3.54 inch ) 4 W MAXø3.74(95).99(5.5) 7.4(88) 5.94(5) 3.96(.5).33(8.5) Brake leadwires AWG.46(37).(5).75 (9).5 DIA DIA. [/"] (ø DIA.(ø36) 8 mm (3.5 inch ) 5 W.39() MAXø3.39(86) ø7(4) 4.9(5) 3.35(85).8(3).5 (.7).4(6) Tacho-generator leadwires.375 DIA DIA. [3/8"] (ø DIA.(ø3) 9 mm (3.54 inch ) 4 W.39() MAXø3.74(95) ø7(4) Tacho-generator leadwires.5(5) 4.3(5).46(37).(5).75 (9).5 DIA DIA. [/"] (ø DIA.(ø36) induction electromagnetic brake reversible single-phase unit 9 mm (3.54 inch ) 6 W 3.6 (9 ) 7(4).33(8.5) 9.(8.5) 6.63(68.5) 3.96(.5) Brake leadwires AWG.36(6) (38).5.65 DIA..643 DIA. [5/8"] (ø DIA.(ø34) 9 mm (3.54 inch ) 9 W 3.6 (9 ) 7(4).33(8.5) 9.59(43.5) 7.(83.5) 4.55(5.5) Brake leadwires AWG.36(6) (38).5.65 DIA..643 DIA. [5/8"] (ø DIA.(ø34) 9 mm (3.54 inch ) 6 W 3.6 (9 ) 7(4) 8.7() 5.9(5) Tacho-generator leadwires.4±.8 in (6±3 mm) (38).36(6).5.65 DIA..643 DIA. [5/8"] (ø DIA.(ø34) 9 mm (3.54 inch ) 9 W.(.6) 3.6 (9 ) 3.39(86) Cooling fan leadwires 9.6±.8 in (3±3 mm) AWG Tacho-generator leadwires 8.66±.8 in (±3 mm) 9.4(34.6) 6.77(7).36(6) (38).5.65 DIA..643 DIA. [5/8"] (ø DIA.(ø34) C&B -pole round shaft Gear head Gear head -inch (U.S.A.) B-454 * Please read your User's manual carefully so that you will understand the open and safety precautions before attempting to operate the system. (e) Because the dimensions may be subject to change, also check the determinate dimensions if the gear head is to be used for design. B-455