cemp DB 20 Installation, Use And Maintenance Instructions Download | Manualshive

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Electric Motors with brake

Additional use and maintenance instructions

Industrieweg 16
NL-3881 LB Putten
T +31 (0) 341- 36 96 96
F +31 (0) 341- 36 96 90
E [email protected]

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Summary of Contents for DB 20

Page 1: ...Electric Motors with brake Additional use and maintenance instructions Industrieweg 16 NL 3881 LB Putten T 31 0 341 36 96 96 F 31 0 341 36 96 90 E info kolmer nl ...

Page 2: ...meplate information on the brake 26 3 2 Electrical connections 27 3 3 Connection for auxiliary devices 27 3 4 Manual release optional on request 27 4 Maintenance 28 4 1 Introduction 28 4 2 Dismantling and re assembling the brake cover enclosure motors 63 160 28 4 3 Adjusting the braking torque motors 63 160 28 4 4 Adjusting the air gap motors 63 160 29 4 5 Changing the brake disc motors 63 160 30 ...

Page 3: ...e damage to the equipment The motors are supplied ready for use according to the specifications indicated in the order If any braking torques work cycles or inertias differ from those indicated in the order are required please contact us Noise level Motors with brake produce noise when the brake opens and when starting up The noise level depends on the installation conditions and the air gap value...

Page 4: ...When the brake is powered the electro magnet dp attracts the mobile armature dl As this moves the springs are compressed releasing the brake disc dm so that the motor shaft to which the brake disc is coupled is able to turn freely When the voltage to the brake is disconnected the electro magnet is deactivated and the springs push the mobile armature against the brake disc The brake disc causes fri...

Page 5: ...22 ENGLISH br ctdq dm dl dp dt br ctdq dm dl dp dt cr bq Fig 2A Series D 63 160 Series H 71 160 ...

Page 6: ...23 br ct dq dt dm dl dp dm ds dqdl dp br ctdt ds bq cr ENGLISH Fig 2B Series D 180 315 Non ventilated Servo ventilated ...

Page 7: ... the brake is not powered A pinion toothed hub dq is coupled to the motor shaft br The brake disc dm is fitted on the toothed hub The brake disc and the toothed hub connected to the shaft make up the rotating part of the brake The brake disc can move along the axis of the shaft on the toothed hub towards the brake holder shield which forms the braking surface along with the mobile armature dl A pr...

Page 8: ...the rotation of the motor shaft The three adjustment screws et make it possible to adjust the braking torque The eight nuts fkA permit adjustment of the air gap between the brake disc and the brake holder shield If the motor is set up for installation in verti cal position the brake can present some con struction variations Size 71 160 motors can be fitted with a manual brake release lever that al...

Page 9: ...ed 2 Brake voltage power supply voltage V for the brake 3 Operation Maximum number of operating cycles per hour and type of work cycle 4 Power electrical power absorbed by the brake VA for motors 63 160 W for motors 180 315 5 Braking torque Static braking torque Nm 6 Moment of inertia Maximum moment of inertia for the machine controlled referred to the motor shaft kgm2 3 1 Nameplate information on...

Page 10: ...box while motors with Ex de type pro tection have the rectifier located inside the brake enclosure When making a connection use the diagram supplied with the motor and bear in mind that the brake may be provided for various types of power supply Directly via a direct current line by a single phase alternating current line via a rec tifier in the terminal box or in the brake cover enclosure Upon re...

Page 11: ...ection or maintenance before closing the brake cover enclosure Make sure that the air gap is set correctly see paragraph 4 4 Reinstate the original layer of grease e g Molyduval Bariplex grease on the flameproof joints Check that the friction surfaces brake disc brake holder shield and mobile armature are clean and free from oil or grease The motor is supplied with a ready to use calibrated brake ...

Page 12: ... 4B affecting the brake s performance The maximum acceptable air gap under maximum torque conditions is 0 7 mm Table 4B Recommended air gap For size 71 160 motors fig 2C the air gap is adjusted by turning the nuts fkA and fkB to move the electro magnet to the original gap from the mobile armature For size 63 motors fig 2D the air gap is adjusted by turning the fixing screws es after having slacken...

Page 13: ...he springs Remove the mobile arma ture and pull the brake disc off the toothed hub Replace the brake disc and reassemble the parts removed previously being careful to set the brak ing torque see 4 3 and the air gap see 4 4 For size 63 motors fig 4B proceed as follows Unscrew the fixing screws es and remove the sin gle unit being careful not to damage the power supply cable for the brake Pull the b...

Page 14: ...ectro magnet dp Follow the directions in reverse order to mount the new electro magnet When the braking unit is fastened to the brake holder shield adjust the air gap with the eight screws fkA E Replacement of the brake disc dm the mobile armature dl the springs fl Follow the directions given above to disassemble the brake enclosure shield the brake cover enclo sure the electro magnet and the DC A...

Page 15: ...losure dt and the micro switch I that is set on the external cir cumference of the electro magnet Follow the directions in reverse order to connect the micro switch the brake and the encoder if present G Final reassembly Remount the brake cover enclosure and the brake cover with the relative fixing screws taking care to grease the coupling joints lightly beforehand Proper functioning of the brake ...

Page 16: ...isc The brake has a delayed action Power supply voltage high Check power supply voltage The brake releases after a delay Air gap too big wear Check air gap Replace the brake disc if necessary Low power supply voltage for the brake Check power supply voltage The brake does not stop the motor Residual activation voltage too high when a rectifier is fitted Check residual voltage Brake disc stuck mech...

Page 17: ...ement et d amélioration continue des produits la Société Cemp se réserve le droit et la faculté d apporter toute modification sur la documentation et sur les pro duits à tout moment et sans préavis Les descriptifs et les caracté ristiques techniques conte nus dans ce catalogue n engagent pas la Société Par conséquent ces données ne constituent en aucun cas un engagement contractuel Die Ausführunge...

Page 18: ...Industrieweg 16 NL 3881 LB Putten T 31 0 341 36 96 96 F 31 0 341 36 96 90 E info kolmer nl ...

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