Electromagnetic clutches and brakes from INTORQ & magneta

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SelectionClutchesTorqueFeaturesPageNm14.100.■■3 Miniature bearing mounted 0.3 – 3.6 Easy mount, 1500 r/min max. 314.100.■■1 Miniature flange mounted 0.6 – 3.6 For higher speeds, compact length 514.105.■■3 Standard bearing mounted 7.5 – 480 Easy mount, general duty 714.105.■■1 Standard flange mounted 7.5 – 480 Compact flange mounted 9BrakesTorqueFeaturesPageNm14.110 Miniature 0.6 – 3.6 Energise to engage 1114.115 Standard 7.5 – 480 Energise on, all purpose 13Size selection1. Torque method – If fitting near a motor drive, it isoften sufficient to size the clutch or brake on the motortorque, using a suitable factor, typically 1.5 to 2.0.Otherwise we recommend a factor of 2.0 minimum.Drive torque T (Nm) =9550r/minx kW x factorT (Nm) =7124r/min x hp x factor2. Torque and inertia – If load inertia is significant, youmust allow for additional torque to accelerate the load.Acceleration torque T (Nm) =J x r/min9.55 x t3. Work done – With significant inertia you must alsocheck that the work done in starting or stopping does notexceed the thermal capacity of the clutch or brake selected.J x (r/min)Work per operation Q =2182.5Where Q = Work per operation (joules)J = Inertia (kgm 2 )14.105.06.3.5 clutch driving V belt pulleyFrom the work per operation, the maximum frequency ofoperation can be calculated. Data and worked examples aregiven in the relevant product brochures, available on requestfrom Bedford.4. Stopping distances and times – If the total inertia tobe stopped or started is known, it is often useful to calculatethe time taken to achieve this mechanically by the clutch orbrake.J x r/mint =9.55 x TWhere t = stopping time in seconds.From the stopping time, the distance or number orrevolutions can be calculated remembering that the averagespeed during the stop is one half of the initial speed.14.115.20.1.3 brake stops shaft & pulleyA1-2Tel: 01234 753201 Techdrives Email: sales@techdrives.co.uk
Magneta miniature clutches – bearing mountedType 14.100.■■.30■0.3 to 3.6 NmHigh torque capacityNo running-in requiredMaximum speed 1500 r/minBearing mounted coil for easy mountingNo residual torque when disengagedVery long lifeBores 5 to 15mmSelect the assembly with type 1 armature for in-line shaftto shaft drives noting the required shaft alignment limit tw.Select armature type 3 for direct connection of pulleys,gears or sprockets which must be bearing supported fromthe shaft.Armature 1 assembliesArmature 3 assembliesTypeno.Boresd, d11,H7,H9Typeno.BoresH914.100.01.303 5,614.100.02.301 5,6 14.100.02.303 5,614.100.03.301 5,6 14.100.03.303 5,614.100.04.301 6,8,10 14.100.04.303 6,8,1014.100.05.301 10,12,15 14.100.05.303 10,12,15OperationBearing mounted clutches can be readilyassembled on shafts without the need ofmounting surfaces. The stator should beprevented from rotating by a loose fitting pin.The magnetic field generated by the coil pullsthe armature plate across the air gap.Axial movement is achieved by means of apre-stressed spring which also transmits thetorque generated at the friction surface.Ordering example(6) off clutches type 14.100.03.30324V, 6mm boreTel: 01234 753201 Techdrives Email: sales@techdrives.co.ukA1-3
Page 1: Electromagnetic clutches and brakes
Page 5 and 6: Magneta miniature clutches - flange
Page 7 and 8: INTORQ standard clutches - bearing
Page 9 and 10: INTORQ standard clutches - flange m
Page 11 and 12: Magneta miniature brakesType 14.110
Page 13 and 14: INTORQ brakes - standard seriesType

Electromagnetic clutches and brakes from INTORQ & magneta

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