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Slant bed CNC lathe brake control method

by:SNK     2020-08-23
Slant bed CNC lathe brake control method of time: 2015 - 11 - 05 clicks: 2819 times in CNC milling machine and lathe bed CNC lathes, are connected to the servo motor to lock in vertical or inclined workbench, prevent the machine table decline, should be to control the brake servo motor. In general, the bed table decline, must to control the brake servo motor. In general, servo motor with belt brake servo electricity but in practice, under the machine electricity, electricity, servo alarm, occasional table decline phenomenon. But in practice, the machine electricity, electricity, servo alarm, occasional table decline phenomenon. Know about contact to the failure of the brake control, mainly include incorrect wiring, parameter setting is unreasonable, improper motor selection ( Small brake torque rating) Wait for a reason. Method is not correct improper selection, parameter setting is not reasonable, motor ( Small brake torque rating) Wait for a reason. Unreasonable parameter Settings, motor selection, improper causes of problems, such as better treatment. Article will begin with the analysis of the principle set unreasonable, improper motor selection causes of problems, such as better treatment. This article will begin with the analysis of the principle to introduce a more effective connection method. Slant bed CNC lathes of the brake control method can refer to it. Electric brake control overall requirements: machine after normal work, servo motor brake release; After power machine or servo alarm, general requirements: machine in normal working conditions after power on, servo motor brake release; After machine electricity or servo alarm, servo motor brake and maintain the workbench. And, on the machine electricity, electricity, servo alarm, braking and maintain the workbench. And, on the machine electricity, electricity, servo alarm, do not allow the workbench, the phenomenon of the instantaneous drop. Therefore, under the machine electricity, electricity, servo alarm, and so on and so forth, also must meet: sliding phenomenon. Therefore, under the machine electricity, electricity, servo alarm, and so on and so forth, also must meet: machine electricity: servo motor, first time delay before you release the brake. Machine electricity: servo motor, first time delay before you release the brake. Runtime alarm or sudden power: slow down under the high speed of motor, Runtime alarm or sudden power: slow down under the high speed of motor, Because under the high-speed braking will seriously affect the brake of motor slow down life, even will damage the motor, this point in below & other; Loss of electrical controller & throughout; Principle is introduced when giving instructions) And then hold the motor life, even damage the motor, this point in below & other; Loss of electrical controller & throughout; Principle is introduced when giving instructions) And then hold the motor delay and then close the motor excitation. Delay and then close the motor incentive. Under the machine electricity: hold the motor first, because the brake action takes time, therefore, under the machine electricity: hold the motor first, because the brake action takes time, therefore, must delay before and then close the motor excitation. Principle analysis of the electric brake brake series, SJT servo motor with brake using intorqbfk457 series brake, intorqbfk457 series brake is normally closed type design, namely, loss of electric braking, the current release. dc24v时,500 ms。 Closed type design, that is, loss of electric braking, the current release. The work for dc24v power supply, the brake action time is less than 500 ms. Series brake control principle for when the brake coil electricity system principle is: the intorqbfk457 series brake control principle is: when the electric brake coil, a magnetic field coil made keeper plate to the yoke, armature plate away from the brake disc; Disappear when the power coil, magnetic flux, the armature plate is released, the yoke, armature plate away from the brake disc; Disappear when the power coil, a magnetic flux, the armature plate is released, the spring pressure on the armature plate, the brake disc pressure, generated by the friction brake torque to achieve the purpose of braking. Iron plate, the brake disc pressure, braking torque generated by the friction brake. Due to the braking torque is produced by friction and, therefore, the loss of electric brake can only be used to keep the workbench, cannot be used to force to stop the machine movement, raw, therefore, the loss of electric brake can only be used to keep the workbench, cannot be used to force to stop the machine movement, moving machines must slow down or stop after the brake.
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