Service Instructions

Service Instructions BZFM Stromag DessauIP 54safety in motionElectromagnetic Double - Face Spring-Applied Brake 12.12.2006Table 3 Table 4Size BZFM Distance for „A“ Pre-set dimensionin mmin mm0,25 up to 1,6 1,5 - 0,3 2,02,5 up to 6,3 1,8 - 0,3 2,510 up to 25 2 ± 0,5 -0,250,631,62,546,3Size BZFMwrench torquein Nm203050801201504.1.2. Monitoring of the airgapAfter the installation of the brake the control of the airgap “off” must be taken minimal on two placesbe opposited between the coilbody (01) and the armature disc (02) when the coil is currentless.The airgap must be in accordance with the airgap “min” according table 1 chap. 2.1.In the case of any deviation the airgap has to re-adjusted described in chap. 4.3.4.2. Setting the brake torqueThe torques given in the technical data (chap. 2.1.) were obtained only by fully tighteningthe adjusting ring (12).0701b120801 coil body07 pressure spring08 spring bolt12 adjusting ringFigure 4A reduction can be made according figure 4 and table 5 up to a value of 0,55 x M N.table 5Luftspalt ausAirgap offsize BZFM...V7 0,25 0,63 1,6 2,5 4 6,3 10 16 25Reduction Dimension b in mm (figure 4)M N Nm 3 3 3 3 3 3 5 5 50,90 x M N Nm 3,65 3,65 3,95 4,15 4,15 4,50 6,60 6,90 6,700,80 x M N Nm 4,30 4,30 4,90 5,30 5,30 6,00 8,10 8,80 8,300,70 x M N Nm 4,95 4,95 5,85 6,45 6,45 7,50 9,70 10,70 10,000,60 x M N Nm 5,60 5,60 6,80 7,60 7,60 9,00 11,20 12,60 11,600,55 x M N Nm 5,95 5,95 7,30 8,20 8,20 9,70 12,00 13,55 12,4511