SEW-Eurodrive DRN71M4 Assembly Instructions Manual
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SEW-Eurodrive DRN71M4 Assembly Instructions Manual

SEW-Eurodrive DRN71M4 Assembly Instructions Manual

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*26868377_0322*
Drive Technology \ Drive Automation \ System Integration \ Services
Assembly Instructions
Didactics – Drive Technology
DRN71M4 AC Motor
Edition 03/2022
26868377/EN

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Summary of Contents for SEW-Eurodrive DRN71M4

  • Page 1 *26868377_0322* Drive Technology \ Drive Automation \ System Integration \ Services Assembly Instructions Didactics – Drive Technology DRN71M4 AC Motor Edition 03/2022 26868377/EN...
  • Page 2 SEW-EURODRIVE—Driving the world...

  • Page 3: Table Of Contents

    Copyright notice ...................... 6 Motor design ..........................  7 Basic structure of the DRN71M4 AC motor .............. 7 Basic structure of the DRN71M4 AC motor with BE05 brake ......... 8 Basic structure of the BE05 brake .................. 9 Training kit ..........................  10 Content of the parts case.................... 10 3.1.1...

  • Page 4: General Information

    This is the formal structure of a safety note for a specific section: SIGNAL WORD Type and source of hazard. Possible consequence(s) if disregarded. • Measure(s) to prevent the hazard. Assembly Instructions – DRN71M4 AC Motor...

  • Page 5: Structure Of Embedded Safety Notes

    If required, you can also order print- ed and bound copies of the documentation from SEW‑EURODRIVE. You can order the additional material "Didactics – Drive Technology Documentation Package" from your contact person; see chapter "Contact persons" (→ 2 62). Assembly Instructions – DRN71M4 AC Motor...

  • Page 6: Product Names And Trademarks

    The brands and product names in this documentation are trademarks or registered trademarks of their respective titleholders. Copyright notice © 2022 SEW‑EURODRIVE. All rights reserved. Unauthorized reproduction, modifica- tion, distribution or any other use of the whole or any part of this documentation is strictly prohibited. Assembly Instructions – DRN71M4 AC Motor...

  • Page 7: Motor Design

    Motor design Basic structure of the DRN71M4 AC motor Motor design Basic structure of the DRN71M4 AC motor [23] [21] [20] [19] [15] [24] [22] [28] [12] [18] [17] [16] [14] [11] [10] [26] [13] [25] 35153355275 Short rotor stack...

  • Page 8: Basic Structure Of The Drn71M4 Ac Motor With Be05 Brake

    Motor design Basic structure of the DRN71M4 AC motor with BE05 brake Basic structure of the DRN71M4 AC motor with BE05 brake [33] [21] [23] [20] [24] [22] [28] [12] [18] [17] [30] [99] [16] [32] [14] [31] [26] [11]...

  • Page 9: Basic Structure Of The Be05 Brake

    [37] Hex nut M5 [49] M6 × 66.5 stud [40] BE05 sealing ring [50] Pressure ring [42] Magnet body, complete [51] Counter spring [43] Brake spring (normal) [52] Hex nut M6 [44] Damping plate [54] Brake spring (blue) Assembly Instructions – DRN71M4 AC Motor...

  • Page 10: Training Kit

    Training kit Content of the parts case Training kit Content of the parts case 3.1.1 Assembly base [W13] 34966040843 [W13] Assembly base Assembly Instructions – DRN71M4 AC Motor...

  • Page 11: Pinion, Bearing, Terminal Box Cover, Foot

    [26] 4 × cap screw M6 × 20 [12] Deep groove ball bearing 6204 [27] 4 × M6 hex nut [13] Retaining ring Ø 47 x 1.75 [28] Terminal board [14] Oil seal replacement [29] Key A5 × 5 × 16 [16] Deep groove ball bearing 6203 Assembly Instructions – DRN71M4 AC Motor...

  • Page 12: Tools

    8 mm inner rings [W4] Attachment for hexagon head [W10] Retaining ring pliers for 10 mm outer rings [W5] Attachment for recessed-head [W11] Removal tool for oil seals screws [W6] Attachment for hexagon socket head 4 mm Assembly Instructions – DRN71M4 AC Motor...

  • Page 13: Brake Parts

    [37] 2 × M5 hex nut [49] 3 × stud M6 × 66.5 [40] BE05 sealing ring [50] 3 × pressure ring [42] Magnet body, complete [51] 3 × counter spring [43] 3 × brake spring (normal) [52] 3 × M6 hex nut [44] Damping plate [54] 6 × brake spring (blue) Assembly Instructions – DRN71M4 AC Motor...

  • Page 14: Rotors, Fan Wheel, Handwheel

    Training kit Content of the parts case 3.1.5 Rotors, fan wheel, handwheel [31] [17] [53] 34938888715 Short rotor stack [17] Fan wheel [31] Long rotor stack [53] Handwheel Assembly Instructions – DRN71M4 AC Motor...

  • Page 15: Endshields, Terminal Box Lower Part, Motor Flange

    Training kit Content of the parts case 3.1.6 Endshields, terminal box lower part, motor flange [15] [32] 34938855179 Terminal box lower part Motor flange Ø 120 mm [15] Rear endshield [32] Brake endshield Assembly Instructions – DRN71M4 AC Motor...

  • Page 16: Fan Guards, Stator, Motor Flange

    Training kit Content of the parts case 3.1.7 Fan guards, stator, motor flange [33] [19] [W12] [51] 34938862091 Stator housing Motor flange Ø 160 mm [19] Short fan guard [33] Long fan guard [W12] Assembly tool Assembly Instructions – DRN71M4 AC Motor...

  • Page 17: Assembly

    Always insert the pliers into the thinner side of the bore in the retaining ring first. (The bore in the retaining ring is conical.) NOTICE Parts of the motor may be heavy and sharp-edged. Damage to the working surface. • Use the included assembly base during assembly and disassembly. Assembly Instructions – DRN71M4 AC Motor...

  • Page 18: Assembling The Motor Without Brake

    1. Lay out the assembly base [W13] at the work- place and put the assembly base together. Required parts: • Assembly tool [W12] 1. Place the assembly tool [W12] on the assembly base [W13] with the recess facing up. Assembly Instructions – DRN71M4 AC Motor...
  • Page 19 Retaining ring Ø 47 x 1.75 [13] • Retaining ring pliers for inner rings [W9] 1. Insert the retaining ring Ø 47 x 1.75 [13] by us- ing the retaining pliers for inner rings [W9]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 20 Depending on the mounting position/ter- minal box position, the alignment of the breather plug varies. Assembly Instructions – DRN71M4 AC Motor...
  • Page 21 To ensure a defined fit, the bearing is first heated and then pressed onto the shaft during fac- tory assembly. Required parts: • Equalizing ring [24] 1. Place the equalizing ring [24] onto the deep groove ball bearing 6203 [16]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 22 Required parts: • 4 cap screws M5 × 145 [20] • Allen wrench 4 mm [W6] 1. Install the 4 cap screws M5 × 145 [20] and tighten the cap screws with the 4 mm Allen wrench [W6] in diametrically opposite sequence. Assembly Instructions – DRN71M4 AC Motor...
  • Page 23 (low or high temperatures, explosion protection) of the mo- tor. Special ambient conditions, however, require even more measures, such as using special bear- ings or installing a heating unit. Assembly Instructions – DRN71M4 AC Motor...
  • Page 24 2. Rotate the short fan guard [19] so that the cap screws sit in the corresponding tabs in the fan guard. 3. Now tighten the 4 cap screws M5 × 8 [21] with the 4 mm Allen wrench [W6]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 25 The sealing ring must not be damaged during assembly, other- wise dirt or dust could enter. Information: To easily remove the oil seal replacement [14], you can use the removal tool [W11]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 26 2. Mount the terminal board [28] onto the stator housing with the cap screw M5 × 16 [5]. Use the 4 mm Allen wrench [W6] for this purpose. 3. During assembly, ensure that the terminal board [28] is aligned correctly. Assembly Instructions – DRN71M4 AC Motor...
  • Page 27 The permissible operating voltage in each connec- (T1) (T2) (T3) tion type can be read from the nameplate. Star connection type (T4) (T5) (T6) (T1) (T2) (T3) Assembly Instructions – DRN71M4 AC Motor...
  • Page 28 1. Insert the key A4 × 4 × 18 [9] into the pinion shaft end. Required parts: • Pinion [8] 1. Slide the pinion [8] onto the pinion shaft end with the radius side forward. Information: The pinion bore is chamfered on the opposite side. Assembly Instructions – DRN71M4 AC Motor...
  • Page 29 The motor is now completely assembled in the design without a brake. After assembly, the motor goes through a final functional test at the factory. The motor is then painted and the nameplate is mounted. Assembly Instructions – DRN71M4 AC Motor...

  • Page 30: Assembling The Motor With Brake

    1. Lay out the assembly base [W13] at the work- place and put the assembly base together. Required parts: • Assembly tool [W12] 1. Place the assembly tool [W12] on the assembly base [W13] with the recess facing up. Assembly Instructions – DRN71M4 AC Motor...
  • Page 31 Retaining ring Ø 47 x 1.75 [13] • Retaining ring pliers for inner rings [W9] 1. Insert the retaining ring Ø 47 x 1.75 [13] by us- ing the retaining pliers for inner rings [W9]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 32 1. Insert the long rotor stack [31] into the previously installed bearing with the pinion shaft end facing down. To ensure a defined fit, the bearing is first heated and then pressed onto the shaft during fac- tory assembly. Assembly Instructions – DRN71M4 AC Motor...
  • Page 33 Information: You can freely choose the installation side of the bearing. The bearing is sealed on both sides. To ensure a defined fit, the bearing is first heated and then pressed onto the shaft during fac- tory assembly. Assembly Instructions – DRN71M4 AC Motor...
  • Page 34 The bore for the cable bushing must be aligned correctly (see arrow). Since this is the non-locating bearing side, the endshield is only placed on. The centering seat is designed with an interference fit and must be pressed on. Assembly Instructions – DRN71M4 AC Motor...
  • Page 35 Required parts: • 4 cap screws M5 × 145 [20] • Allen wrench 4 mm [W6] 1. Install the 4 cap screws M5 × 145 [20] and tighten the cap screws with the 4 mm Allen wrench [W6] in diametrically opposite sequence. Assembly Instructions – DRN71M4 AC Motor...
  • Page 36 Information: To simplify assembly, you can place the hex nuts into the recesses on the stator housing. Required parts: • Key A5 × 5 × 16 [29] 1. Insert the key A5 × 5 × 16 [29] into the rotor shaft (B-side). Assembly Instructions – DRN71M4 AC Motor...
  • Page 37 • Retaining ring Ø 16 × 1 [10] • Retaining ring pliers for outer rings [W10] 1. Secure the driver to the shaft with the retaining ring Ø 16 × 1 [10]. Use the retaining pliers for outer rings [W10]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 38 Assembly Assembling the motor with brake Step Figure Procedure • 3 studs M6 × 66.5 [49] 1. Screw the 3 studs M6 × 66.5 [49] by hand into the brake endshield with the short threaded ends facing down. Assembly Instructions – DRN71M4 AC Motor...
  • Page 39 Stainless steel shim plate [47] 1. Place the stainless steel shim plate [47] onto the studs. Information: Pay attention to the alignment of the shim plate: The bore for the cable bushing must be aligned correctly (see arrow). Assembly Instructions – DRN71M4 AC Motor...
  • Page 40 1. Place the brake lining carrier [46] onto the driver. Information: Make sure that the spring plate end of the brake lin- ing carrier is facing up (see arrow). This prevents the spring plate end from being bent. Assembly Instructions – DRN71M4 AC Motor...
  • Page 41 Assembly Assembling the motor with brake Step Figure Procedure Required parts: • 3 counter springs [51] 1. Slide the 3 counter springs [51] onto the studs. Assembly Instructions – DRN71M4 AC Motor...
  • Page 42 Assembly Assembling the motor with brake Step Figure Procedure Required parts: • 3 pressure rings [50] 1. Slide the 3 pressure rings [50] onto the studs. Assembly Instructions – DRN71M4 AC Motor...
  • Page 43 1. Slide the damping plate [44] onto the studs with the stamped tips facing down. Information: Pay attention to the alignment of the damping plate: The bore for the cable bushing must be aligned cor- rectly. Assembly Instructions – DRN71M4 AC Motor...
  • Page 44 Assembly tool [W12] 1. Remove the motor from the assembly tool [W12]. 2. Turn over the assembly tool [W12]. 3. Now set down the motor on the bed plate in the assembly tool [W12]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 45 The gap is set to the minimum value, since the working air gap in- creases over the operating period due to wear on the brake lining carrier. Assembly Instructions – DRN71M4 AC Motor...
  • Page 46 Information: Pay attention to the alignment of the bores on the rubber seal. During factory assembly, the parallel pin is not pressed in until assembly in order to position the manual brake release in the required position. Assembly Instructions – DRN71M4 AC Motor...
  • Page 47 This ensures that no foreign objects can enter or escape. Required parts: • 2 conical springs [36] 1. Place the 2 conical springs [36] onto the studs with the large diameter facing up. Assembly Instructions – DRN71M4 AC Motor...
  • Page 48 Use the 4 mm Allen wrench [W6] to set the set screw. To ensure that the releasing lever moves easily for all the assembled motors, a defined tight- ening torque is specified for the hex nuts during fac- tory assembly. Assembly Instructions – DRN71M4 AC Motor...
  • Page 49 Retaining ring (red) Ø 15 × 1 [18] • Retaining ring pliers for outer rings [W10] 1. Secure the fan wheel to the shaft with the red re- taining ring Ø 15 × 1 [18]. Use the retaining pli- ers for outer rings [W10]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 50 1. Remove the motor from the assembly tool [W12]. 2. Turn over the assembly tool [W12]. 3. Place the motor (rotated by 180°) onto the as- sembly tool [W12] with the fan guard facing down. Assembly Instructions – DRN71M4 AC Motor...
  • Page 51 The sealing ring must not be damaged during assembly, other- wise dirt or dust could enter. Information: To easily remove the oil seal replacement [14], you can use the removal tool [W11]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 52 2. Tighten the 4 cap screws M5 × 16 [5] with the 4 mm Allen wrench [W6]. 3. During assembly, ensure that the gasket for the terminal box lower part [3] does not fall out. Assembly Instructions – DRN71M4 AC Motor...
  • Page 53 2. Mount the terminal board [28] onto the stator housing with the cap screw M5 × 16 [5]. Use the 4 mm Allen wrench [W6] for this purpose. 3. During assembly, ensure that the terminal board [28] is aligned correctly. Assembly Instructions – DRN71M4 AC Motor...
  • Page 54 The permissible operating voltage in each connec- (T1) (T2) (T3) tion type can be read from the nameplate. Star connection type (T4) (T5) (T6) (T1) (T2) (T3) Assembly Instructions – DRN71M4 AC Motor...
  • Page 55 1. Mount the terminal box cover [4] onto the termi- nal box lower part with the 4 cap screws M5 × 16 [5]. Use the 4 mm Allen wrench [W6] for this purpose. 2. During assembly, ensure that the gasket is seated correctly. Assembly Instructions – DRN71M4 AC Motor...
  • Page 56 Retaining ring pliers for outer rings [W10] 1. Secure the pinion to the shaft with the retaining ring Ø 16 × 1 [10]. To install the retaining ring, use the retaining ring pliers for outer rings [W10]. Assembly Instructions – DRN71M4 AC Motor...
  • Page 57 The motor is now completely assembled in the design with a brake. After assembly, the motor goes through a final functional test at the factory. The motor is then painted and the nameplate is mounted. Assembly Instructions – DRN71M4 AC Motor...

  • Page 58: Mounting The Motor Onto The Demo Gear Unit (Optional)

    This ensures that the pinion gearing of the motor ro- tates into the wheel gearing of the gear unit stage. Assembly Instructions – DRN71M4 AC Motor...

  • Page 59: Removing The Motor

    1. Tighten the hex head screws M8 × 20 with the open-end wrench size 13. The brakemotor is now mounted on the demo gear unit. Removing the motor The motor is disassembled in the reverse order of assembly. Assembly Instructions – DRN71M4 AC Motor...

  • Page 60: Spare Parts List

    Long rotor stack – motor with brake [31] 22227695 Brake endshield [32] 22180354 Long fan guard – motor with brake [33] 22196277 Releasing lever BE05/1 [34] 13741063 Stud W4058 M5×49-8.8-ADB3-MV8 [35] 13241494 Conical spring BE05-5/BMG05-4/BR1/2 [36] 01350137 Assembly Instructions – DRN71M4 AC Motor...
  • Page 61 Sealing strip BMG05/1BE05/1 [48] 01818147 Stud W4058 M6×66.5-A2-70 [49] 13236350 Pressure ring BE05-2/BMG05/1 [50] 01820656 Counter spring BE05-2/BMG05/1 [51] 01350196 Hex nut W4109 M6-8-ADB3 [52] 00117773 Handwheel [53] 18979882 Brake spring BE05/BMG05/1/BY1C blue [54] 13741373 Assembly Instructions – DRN71M4 AC Motor...

  • Page 62: Contact Persons

    Contact persons Contact persons For more information about the didactics modules, contact: Sales SEW-EURODRIVE GmbH & Co KG Phone: +49 7251 75-3213 Didactics Ernst-Blickle-Str. 42 didaktik@sew-eurodrive.de 76646 Bruchsal, Germany http://www.sew-eurodrive.com GERMANY Assembly Instructions – DRN71M4 AC Motor...
  • Page 68 SEW-EURODRIVE—Driving the world SEW-EURODRIVE GmbH & Co KG Ernst-Blickle-Str. 42 76646 BRUCHSAL GERMANY Tel. +49 7251 75-0 Fax +49 7251 75-1970 sew@sew-eurodrive.com www.sew-eurodrive.com...

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