INTORQ BFK466−80
Electromagnetically released spring−applied brake
j
setting the standard
www.intorq.com
Operating Instructions
Page 1: ...INTORQ BFK466 80 Electromagnetically released spring applied brake j setting the standard www intorq com Operating Instructions...
Page 2: ...to BFK466 80 BFK46680 003 iso dms Product key Product key INTORQ B FK 466 LL 0 1 2 3 Legend for the INTORQ BFK466 product key 0 Product group Brakes 1 Product family Spring applied brake 2 Type 466 3...
Page 3: ...ification Desired customer no Additional information CE designation BFK46680_001 iso dms Nameplate Example Manufacturer CE designation Type see product key Model identification Rated voltage Rated pow...
Page 4: ...escription 12 3 2 Rated data 15 3 3 Operating times 15 3 4 Operating frequency friction work 16 3 5 Emission 17 4 Mechanical installation 18 4 1 Important notes 18 4 2 Necessary tools 18 4 3 Mounting...
Page 5: ...Contents i i j BA 14 0204 02 2012 5 8 Troubleshooting and fault elimination 35...
Page 6: ...uctions must always be in a complete and perfectly readable condition 1 2 Terminology used Term In the following text used for Spring applied brake Multi pole spring applied brake Drive system Drive s...
Page 7: ...e torque drop to reaching 0 1 MK t11 ms Delay during engagement time from switching off the supply voltage to the beginning of the torque rise t12 ms Torque rise time U V Voltage 1 5 Scope of supply T...
Page 8: ...rring to drive systems which have already been supplied cannot be derived from the information illustrations and descriptions We do not accept any liability for damage and operating interference cause...
Page 9: ...fied skilled personnel are permitted to work on and with INTORQ components In accordance with IEC 60364 or CENELEC HD 384 qualified skilled personnel are persons who are familiar with the installation...
Page 10: ...ent conditions prescribed in these Operating Instructions must not be operated beyond their corresponding power limits Any other use shall be deemed inappropriate Possible applications of the INTORQ s...
Page 11: ...Danger Danger of personal injury through dangerous electrical voltage Reference to an imminent danger that may result in death or serious personal injury if the corresponding measures are not taken Da...
Page 12: ...o or more spring applied brakes on one brake disk the demand for redundancy can be fulfilled for special applications such as lift and stage technology The braking torque is generated by the pressure...
Page 13: ...evice supplies the coils of the stator 1 with the overexcitation voltage The resulting magnetic force draws the armature plate 4 against the spring force towards the pole faces of the stator 1 Now the...
Page 14: ...process Especially with humidity and alternating temperatures an increased breakaway torque may occur after a long downtime Check the braking torque if the brake is inserted on the customer s friction...
Page 15: ...ching energy Transition operating frequency Weight without brake disk sL mm sL max mm Ma Nm QE J Sfo h 1 m kg BFK466 80 0 4 0 1 0 7 2 x M16 195 250000 24 45 1 Voltage for releasing holding 2 Coil powe...
Page 16: ...inverter so that the brake is deenergised only when the motor is at standstill switching on the AC side is also possible not valid for emergency braking In this case engagement times will be 5 times l...
Page 17: ...and possible heat dissipation Under unfavourable conditions the surface temperature can reach 130_C Danger Risk of burns on brake and brake disc Noise The switching noise during engagement and disenga...
Page 18: ...Do not lubricate the screws with oil or grease 4 2 Necessary tools Type Torque key Insert for hexagon socket screws Transport screw Crosstip screwdriver Measuring range Nm Wrench size mm Wrench size m...
Page 19: ...brake around the guide sleeve 19 and position the brake radially over the brake disc 20 4 Push the second guide sleeve 19 into the second through hole of the brake and tighten it with the fixing scre...
Page 20: ...he required suppressor circuit the control unit may be destroyed Observe the correct polarity of the suppressor circuit 5 2 Electrical connection Earthing Use the PE screw in the terminal box Fig 6 an...
Page 21: ...ection only when no voltage is applied If an emergency stop is carried out without the protective circuit provided the control device may be destroyed Observe the correct polarity of the protective ci...
Page 22: ...applied brake released When the maximum working air gap is exceeded the release monitoring circuit is opened by the wear monitoring microswitch connected in series In this case the signal Spring appl...
Page 23: ...tion diagram circuit proposal for parallel connection Pin assignment for microswitch BFK466XX 020 iso Fig 8 BFK466 erminal box optional with integrated varistor Microswitch Input connection BK NO cont...
Page 24: ...Electrical installation 5 j BA 14 0204 02 2012 24 Microswitch NO contact parallel connection Brake released Brake worn out Circuit no no open yes no closed no yes closed yes yes closed...
Page 25: ...hese must be considered by corresponding safety measures in the dimensioning process Especially with humidity and alternating temperatures an increased breakaway torque may occur after a long downtime...
Page 26: ...voltage 5 Check the air gap sL between the brake disk and the friction lining Altogether it must be 0 4 0 1 mm The brake disk must rotate freely 6 Switch off the current 7 Bolt bridges to the motor te...
Page 27: ...itoring BFK466XX 002 iso 1 Brake disk 2 Support of friction lining 3 Microswitch tappet 1 Measure the air gap sL between brake disk 1 and friction linings 2 using a feeler gauge brake energised 26 2 S...
Page 28: ...ed above the maximally permissible working air gap sL max 15 the braking torque is considerably reduced by the manual release The function of the brake is not guaranteed anymore Manual release with le...
Page 29: ...able BFK46680 004 iso Motor and brake deenergised 1 Suspend bowden cable not included in the scope of supply and pull with approx 800 N The drive must rotate freely A small residual torque is permissi...
Page 30: ...ose fixing elements the condition of the electrical cables The armature plate must be attracted and the drive must move without residual torque Measure the DC voltage at the brake Compare the DC volta...
Page 31: ...at the same time the influencing factors must be added for calculating the wear The INTORQ Select dimensioning program can be used to calculate the maintenance intervals Component Cause Effect Influe...
Page 32: ...e The readiness for operation of the brake has to be ensured with a braking energy that is equivalent to one emergency stop per week Unplanned emergency stops occurring at a sufficient frequency have...
Page 33: ...d in the table 15 3 Switch off the current 4 Reconnect the motor 7 2 4 Braking torque delay check In case of drives with several brakes one brake at a time can be released with the cheese head screws...
Page 34: ...8x70 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 the second guide sleeve...
Page 35: ...e rectifier DC voltage using a multimeter If DC voltage is zero Check AC rectifier voltage If AC voltage is zero Apply voltage check fuse check wiring Check microswitch If AC voltage is ok Check recti...
Page 36: ...e half wave rectifier Replace the bridge rectifier by a bridge half wave rectifier Voltage too low Supply voltage too low Adapt the coil voltage to the supply voltage AC voltage is not mains voltage F...
Page 37: ...Notes i j BA 14 0204 02 2012 37...
Page 38: ...Notes j BA 14 0204 02 2012 38...
Page 39: ...Notes i j BA 14 0204 02 2012 39...
Page 40: ...en Germany 49 0 51 54 70 53 4 0 49 0 51 54 70 53 4 100 info intorq com www intorq com Service 00 80 00 24 4 68 77 24 h helpline 49 0 51 54 82 13 96 setting the standard www intorq com j 33001612 BA 14...
