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Technical specifications

INTORQ | BA 14.0201 | 04/2016

Technical specifications

3.1

Product description

3.1.1

Structure and function

Fig. 1

Construction of an INTORQ BFK466-61 spring-applied brake

3.1.2

General information
The spring-applied brake is designed as a floating caliper brake for mounting on direct drive motors. The

brake disc (2) is not included in the scope of supply. By using two or more spring-applied brakes on one brake

disc, the demand for redundancy can be fulfilled for special applications such as lift and stage technology.
The braking torque is generated by the pressure of several compression springs (5) via friction locking be-

tween the two friction linings (11) of the friction lining support (12) and the flange (3) and the brake disc (2).

The brake is released electromagnetically. For this, an overexcitation voltage is applied to the brake for ap-

prox. 1 to 2 seconds. The voltage is then decreased by 50 %. This results in a reduction of the average elec-

trical power of the brake.

Stator

Cylinder head bolt

11 Friction lining

Brake disc

Guide sleeve

13 Manual release lever

Flange

Cylinder head bolt

14 Microswitch (wear monitoring)

Armature plate

Microswitch (release check)

Pressure spring

10 Terminal box (optional)

Содержание WSG-25

Страница 1: ...ruck bersetzung und Vervielf ltigung in jeglicher Form auch auszugsweise bed rfen der schriftlichen Genehmigung von WITTUR nderungen vorbehalten info wed wittur com www wittur com Copyright WITTUR 201...

Страница 2: ...es the right to correct or change the contents of this manual and these product details without prior notice We expressly reserve the right to make technical changes which improve the lift machines or...

Страница 3: ...installation 16 6 2 Electrical installations 17 6 3 Overview 17 7 Commissioning and operating 18 7 1 Important notes 18 7 2 Emergency evacuation 19 7 3 Testing the brake system to EN 81 20 7 4 Troubl...

Страница 4: ...due regard to their performance limits WSG 25 lift machines are not ready to use products they may only be operated after they have been installed in lift systems and their safe operation has been en...

Страница 5: ...nts out useful information 2 2 Safety precautions Check the proper functioning of the motor and the brake after installing the machine Repairs may only be carried out by the manufacturer or an authori...

Страница 6: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG 25 Operating Instructions EN Code GM 8 002673 EN Date 07 May 2019 Version 0 13a Page 6 3 EU Declaration of Conformity...

Страница 7: ...not be applied Danger of breakage 4 2 Storage Climate class 2K3 nach EN 60721 Storage tempera ture 20 C to 60 C max 20 K hour fluctuated Storage air humidity max relative humidity 85 at 20 C no moist...

Страница 8: ...e comprises a frame the synchronous motor the traction sheave and the type tested safety brakes which can be used to prevent uncontrolled upward movement of the car The nameplate of the lift machine i...

Страница 9: ...grams must be used 30 40 50 60 0 6 0 7 0 8 0 9 1 0 tA C k 0 1000 2000 3000 4000 0 6 0 7 0 8 0 9 1 0 h m k a Mpermiss MdN k ka bzw Ppermiss PdN k ka 5 3 Motor design 5 3 1 Insulation system All insulat...

Страница 10: ...rs and thermostatic switches must be evaluated in the control system or frequency inverter to protect the motor from overtemperature The separately driven fan must be properly connected and operated I...

Страница 11: ...s on request Use a shielded cable to connect the measuring system to the inverter system We recommend the use of our cable sets which can be supplied as an accessory NOTICE f f The measuring system of...

Страница 12: ...for normal operation since the lift machine is then decelerated in a controlled manner to zero speed and the switching noise of the brake is negligible f f When braking in the event of a breakdown em...

Страница 13: ...1s 1e 1 3s 3 3e 2s 2 2e 1s 1 1e Terminal strip for brake monitoring contacts WAGO 260 cable cross section 1 5 mm2 stripping length required 8 9 mm black grey blue black grey blue black grey blue blac...

Страница 14: ...y suggestion for brake control 1 st Partial brake release wear to control cabinet DC side switching and separate control of the partial brakes to the 2 nd partial brake K1 and K2 must switch simultane...

Страница 15: ...UN 400 V UZK 500 620 V DC X3 X4 Rated speed nN z B 11 118 rpm with DT 650 mm v 2 0 m s suspension 2 1 21 216 rpm with DT 530 mm v 3 0 m s suspension 2 1 23 235 rpm with DT 650 mm v 4 0 m s suspension...

Страница 16: ...bearings and magnets If there are more grooves on the traction sheave than the number of ropes used position the ropes either in the centre of the traction sheave or towards the motor end ok ok ok ok...

Страница 17: ...g notes should help you to carry out the assembly and wiring in an appropriate sequence without overlooking anything Site Please note the intended use and the permissible ambient conditions of the mac...

Страница 18: ...e fastening bolts have all the bolts been tightened to the specified torque and secured Has the motor been properly connected including the motor protection Has the PE terminal been properly connected...

Страница 19: ...irection of the higher weight The motor winding should be short circuited using the motor contactors This prevents the lift from accelerating in an uncontrolled manner since the short circuiting produ...

Страница 20: ...effect can be tested independently Overload The brake system should be tested by interrupting the power supply to the motor and brake system with the car moving downward at rated speed and 1 25 times...

Страница 21: ...inverter parametrisation Braking system does not release Braking system is not supplied with voltage Check electrical connection Brake shoes mechanically blocked Remove mechanical blocking Brake contr...

Страница 22: ...chine or replacing parts make sure that the specified bolt screw strength class and the tightening torques are observed see table Secure the bolts screws with omnifit 100 or a similar product against...

Страница 23: ...ease such as W lalit LZ 2 or Kl berlub BE 41 542 approx 185 g on DE and approx 40 g on NDE Use a conventional grease gun and press the grease into the hydraulic type grease nipples to DIN 71 412 AM 10...

Страница 24: ...therefore sufficient for the lifetime of the machine If necessary the collector duct can be opened with a grub screw on D end and ND end Grub screw DIN 916 M 20 x 25 Grub screw DIN 916 M 10 x 12 DE e...

Страница 25: ...to 200N II Applied the brake 1 Remove the spring force measuring device 4 and the lever extension 3 2 The manual release lever 5 must return to the initial position Observe the marking in point I 1 I...

Страница 26: ...asuring system is only accessible from the rear side of the motor f f See the mounting instructions for the Heidenhain encoder f f Disassemble the measuring system only if this is necessary because of...

Страница 27: ...x H x T Separately driven fan Brake monitoring contacts Type D2E 146 AZ03 Contact rating 12 30 V DC 0 01 0 1 A Operating voltage 230 V AC 50 Hz 1 44 A Min contact current 10 mA Capacitor 7 F 400 V DB...

Страница 28: ...95 195 610 970 4 5 4 8 WSG 25 1 25 2 Treibscheibe traction sheave D T dia D T 530 Masse weight m G kg 1 786 1 846 Tr gheitsmoment inertia J G kgm 2 24 7 25 3 zul Achskraft perm shaft load F S kN 200 2...

Страница 29: ...195 610 970 50 660 4 5 4 8 WSG 25 1 25 2 Treibscheibe traction sheave D T dia D T 650 Masse weight m G kg 1 875 1 935 Tr gheitsmoment inertia J G kgm 2 36 0 36 6 zul Achskraft perm shaft load F S kN 2...

Страница 30: ...D 302 ECN 1313 EnDat 514 273 022 xx E Pack Arkel ARCODE ECN 1313 EnDat SSI 503 325 021 xx D Pack Arkel ADrive CT unidrive SP ECN 1313 EnDat SSI 502 452 021 xx Fuji Frenic ECN 1313 EnDat SSI 502 679 02...

Страница 31: ...A rope clamp is used for example to pull the car from the safety devices if the ropes are slipping Fasten the clamp to the traction sheave by inserting two M 24 bolts in the appropriate threaded hole...

Страница 32: ...of the necessary safety precautions are observed for the lift system The lift may move in an uncontrolled manner f f Ideally the manual releasing device should be installed without the ropes in place...

Страница 33: ...r position and restrict the movement of the lever 9 by means of the disc 14 to prevent it from being pulled further To this end lock the disc 14 on the threaded rod 12 in the appropriate position by t...

Страница 34: ...he machine frame 2 Insert the Bowden cables 2 the ends with the spring 5 into the manual release lever 4 and the counter holder 6 of the brake 3 ca 130 Nm 0 5 m ca 260 N 1 2 3 4 6 5 4 3 5 6 2 Rear sid...

Страница 35: ...r 9 back to its rest position once the test is completed check the air gap with the traction sheave locked Ensure that the manual release levers 4 on the individual partial brakes are back to their in...

Страница 36: ...mm jaw spanner 55mm jaw spanner Installation 600 100 BT D 275 436 5 320 406 5 BT D 59 Recommended installation of the return motion device left or right hand side 1 Slacken the nut 7 and remove the be...

Страница 37: ...shown above Anti clockwise rotation of the traction sheave Alternative position of the return motion device forclockwise rotation of the traction sheave Use of the return motion device 1 2 4 5 7 8 1...

Страница 38: ...Operating Instructions EN Code GM 8 002673 EN Date 07 May 2019 Version 0 13a Page 38 13 Spare parts Item Part Description Motor 01 traction sheave acc machine nameplate type code X5 X6 X7 02 measurin...

Страница 39: ...anges without notice nderungen vorbehalten Gearless Lift Machine WSG 25 Operating Instructions EN Code GM 8 002673 EN Date 07 May 2019 Version 0 13a Page 39 14 Annex Calculation of the traction sheave...

Страница 40: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG 25 Operating Instructions EN Code GM 8 002673 EN Date 07 May 2019 Version 0 13a Page 40...

Страница 41: ...t to changes without notice nderungen vorbehalten Gearless Lift Machine WSG 25 Operating Instructions EN Code GM 8 002673 EN Date 07 May 2019 Version 0 13a Page 41 EU type examination Certificate EU B...

Страница 42: ...DBS Diameter of the brake disk effectively m vBS Gliding speed on the brake disk diameter effectively m s i Ratio of the car suspension Maximum tripping speed on the brake disk diameter effectively 19...

Страница 43: ...cally supported in two points The calculation evidence must be enclosed with the technical documentation of the lift 2 6 The setting of the brake force has to be secured against unauthorized adjustmen...

Страница 44: ...cation form from Co INTORQ GmbH Co KG of 2015 12 02 Page 1 of 1 Authorised Manufacturer of Serial Production Production Sites valid from 2016 03 18 Company INTORQ GmbH Co KG Address W lmser Weg 5 3185...

Страница 45: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG 25 Operating Instructions EN Code GM 8 002673 EN Date 07 May 2019 Version 0 13a Page 45...

Страница 46: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG 25 Operating Instructions EN Code GM 8 002673 EN Date 07 May 2019 Version 0 13a Page 46...

Страница 47: ...www intorq com setting the standard www intorq com INTORQ BFK466 61 Multi pole spring loaded brake Translation of the Original Operating Instructions Brake operating instructions...

Страница 48: ...pring applied brake Type 466 Size 61 Packaging label Example Manufacturer Type No Type Bar code Designation Qty per box Rated holding voltage Rated frictional force Rated holding power Packaging date...

Страница 49: ...TORQ BA 14 0201 04 2016 3 Document history Product traceability sticker Example Type QR code Type No Serial number Manufacturer Material number Version Description 33002314 1 0 04 2016 SC First editio...

Страница 50: ...cifications 12 3 1 Product description 12 3 2 Rated data 14 3 3 Switching times 15 3 4 Switching energy switching frequency 16 3 5 Emissions 17 4 Mechanical installation 18 4 1 Necessary tools 18 4 2...

Страница 51: ...Drive system Drive systems with spring applied brakes and other drive compo nents Letter symbol Unit Designation FR N Rated frictional force I A Current IH A Holding current at 20 C and holding voltag...

Страница 52: ...ir gap sLmin mm Minimum air gap sLmax mm Maximum air gap sHL mm Air gap for manual release t1 ms Engagement time sum of the delay time and braking torque rise time t1 t11 t12 t2 ms Disengagement time...

Страница 53: ...t The decimal point is always used For example 1234 56 Symbols Page reference Reference to another page with additional information For example 16 refer to page 16 Wildcard Wildcard for options select...

Страница 54: ...ess immediately to INTORQ GmbH Co KG 1 7 Disposal The spring applied brake consists of different types of material Recycle metals and plastics Ensure professional disposal of assembled PCBs according...

Страница 55: ...ring to drive systems which have already been supplied cannot be derived from this information illustrations and descriptions We do not accept any liability for damage and operating interference cause...

Страница 56: ...teristics Only qualified skilled personnel are permitted to work on and with INTORQ components According to IEC 60364 or CENELEC HD 384 qualified skilled personnel are persons who are familiar with th...

Страница 57: ...cribed in these Operating Instructions must not be operated beyond their corresponding power limits Any other use or excessive usage shall be deemed improper Possible applications of the INTORQ spring...

Страница 58: ...and stage technology The braking torque is generated by the pressure of several compression springs 5 via friction locking be tween the two friction linings 11 of the friction lining support 12 and t...

Страница 59: ...te 4 and the pole faces of the stator 1 To release the brake the coils of the stator 1 are supplied with overexcitation voltage from the associated switching device The resulting magnetic force pulls...

Страница 60: ...torque when the brake is being used on the customer s friction surfaces If the brake is used as a pure holding brake without dynamic load the friction lining must be reactivated regularly 3 2 Rated d...

Страница 61: ...with a suitable spark suppressor must therefore be provided If the drive system is operated with a frequency inverter so that the brake will not be de energized before the motor is at standstill AC s...

Страница 62: ...y The permissible switching frequency Shzul depends on the amount of heat Q refer to Figure 3 At a pre set switching frequency Sh the permissible amount of switching energy is Qzul Shue and QE are spe...

Страница 63: ...e operating conditions and possible heat dissipation Un der unfavourable conditions the surface temperature can reach 130 C Noise The loudness of the switching noise during engaging and disengaging de...

Страница 64: ...ake 2 Check for completeness 3 Verify the nameplate data especially the rated voltage NOTICE Do not lubricate the screws with oil or grease Type Torque wrench Insert for hexagon socket screws Transpor...

Страница 65: ...e brake disc 20 4 Push the second guide sleeve 19 into the second through hole of the brake and tighten it with the fixing screw 21 5 Tighten the two fixing screws 21 to the specified torque 14 6 Remo...

Страница 66: ...e mon itoring reference temperature 130 C The signal is evaluated via a PTC thermistor tripping device provided by the customer Connection AWG 26 blue blue DANGER There is a risk of injury by electric...

Страница 67: ...n NOTICE Application range recommended for the microswitch DC current 10 mA to 100 mA at 12 V AC current 10 mA to 5 A at 12 V max 250 V DANGER There is a risk of injury by electrical shock If an emerg...

Страница 68: ...pplied brake released When the maximum working air gap is exceeded the release monitoring circuit is opened by the wear mon itoring microswitch connected in series In this case the signal Spring appli...

Страница 69: ...66 connection diagram circuit proposal for parallel connection DANGER There is a risk of injury by electrical shock If an emergency stop is carried out without the required suppressor circuit the cont...

Страница 70: ...d gives the signal Spring applied brake released When the maximum working air gap is exceeded the wear monitoring circuit is closed In this case the signal Spring applied brake released will also be g...

Страница 71: ...rminals It must be the same as the mains voltage 5 Check the air gap sL between the brake disc and friction lining It must be a total of 0 4 0 1 mm The brake disc must be able to be turned freely 6 Sw...

Страница 72: ...Fig 9 Release monitoring Check the setting of the microswitch for release monitoring using a feeler gauge with thickness Ymax and Ymin between hexagon head cap screw 1 and microswitch tappet 2 NOTICE...

Страница 73: ...The feeler gauge must lie flat The switch must be actuated 5 Use a feeler gauge with a thickness lower by 0 05 mm and check if the switch remains in the original switch position The feeler gauge must...

Страница 74: ...s The lever is detachable 1 Pull the lever with approx 270 N until the resistance significantly increases 2 Release the lever Fig 11 Checking the manual release NOTICE When the maximum permissible wor...

Страница 75: ...ble not included in the delivery package and pull with approx 800 N The drive must be able to be turned freely A low residual torque is permitted 4 Release the lever Torque must be available The prepa...

Страница 76: ...hment elements the condition of the electrical cables The armature plate must be attracted and the rotor must move without residual torque Measure the DC voltage at the brake Compare the DC voltage wi...

Страница 77: ...se Effect Influencing factors Friction lining Braking during operation Wear of the friction lining Friction work Emergency stops Overlapping wear during start and stop of drive Active braking via the...

Страница 78: ...d brake loads must be de fined for every application For the spring applied brakes the maintenance intervals and maintenance oper ations listed in the table below must be followed The maintenance oper...

Страница 79: ...port screws 17 DIN912 M8x70 19 2 Switch off the power supply and disconnect the connecting cables 3 Loosen a fixing screw 4 and remove the guide sleeve 2 from the through hole 4 Turn the brake around...

Страница 80: ...too low replace the complete brake Check the coil for short to ground using a multimeter Replace the brake in case of short circuit to ground Check the brake voltage refer to section on defective rect...

Страница 81: ...and correct the wiring of the micro switch Micro switch defective or incorrectly set Replace the brake and send the defective brake to the manufacturer Voltage too high Supply voltage too high Adjust...

Страница 82: ...Notes INTORQ BA 14 0201 04 2016 36 Notes...

Страница 83: ...i Co Ltd No 600 Xin Yuan Nan Road Building No 6 Zone B Nicheng town Pudong 201306 Shanghai China 86 21 20363 810 86 21 20363 805 info cn intorq com INTORQ US Inc USA 300 Lake Ridge Drive SE Smyrna GA...

Страница 84: ...YOUR GLOBAL PARTNER FOR COMPONENTS MODULES AND SYSTEMS IN THE ELEVATOR INDUSTRY More information about Wittur Group available on line a WITTUR brand a WITTUR brand a WITTUR brand...

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