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Brake Torque

Is the brake torque of a rotary table important?

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 may be pneumatic or hydraulic. The brake is actuated via a solenoid valve in the table 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 an air over hydraulic booster. The brake torque is a very important feature to look at when selecting a rotary table. If the table moves during machining, it will move the backlash amount, then 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
Technitron Custom Rotary Integrations RT-BRAKE-1 Technitron Custom Rotary Integrations RT-BRAKE-1

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