Brake Torque

Brake Torque:

When a rotary table is in position and the brake is engaged the amount of brake torque (normally stated in Nm) will determine how much force can be exerted on the rotary table before the faceplate will move overcoming the brake. The higher the brake torque the better the braking system. The brake system can be pneumatic or hydraulic. The brake is actuated via a solenoid valve in the table (24VDC or 100VAC) setup for on = clamp or on = unclamp. The brake is actuated by pneumatic or hydraulic pressure exerted on a brake system in the rotary table. If the brake system is hydraulic the pressure is supplied by the machine hydraulics or a air over hydraulic booster. The brake torque is a very important feature to look at when selecting a rotary table. If the table is able to move it will move the backlash amount, then it will exert pressure on the drive system possibly causing damage over time. Some models use the holding torque of the drive system and motor without a brake system

Example of Tsudakoma Rotary Table Braking Systems

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