Electric swing clamps introduced by Roemheld

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A new range of electrically actuated swing clamps capable of generating high forces for securing workpieces during machining has been introduced by Roemheld UK. Manufactured by its German parent company alongside established pneumatically actuated variants, the latest clamps are controlled individually or in multiples. The maintenance-free units may be mounted vertically or horizontally and are ideal for automated workholding applications.

Driven by a wear-resistant, brushless, 24V DC (direct current) motor via a gear and threaded spindle, the device requires only 3mm of axial lift before the clamping arm swivels. According to the model in use, it rotates by either by 90 or 180 degrees, clockwise or counter-clockwise. Other swing angles may be supplied on request. The electronic control for the motor is built into the swing clamp housing and has its own 24V DC / 100mA power supply.

Two variants of swing clamp are available, 1833 and 1835, the latter having a higher clamping force. For both models, which are IP67 rated, the force is adjustable and monitored, its maximum value depending on the length of arm used. It takes approximately three seconds to secure or release a component. Should the power supply fail, there is no loss of clamping pressure.

During unclamping, the arm swings back to its starting position. Should it meet an obstruction while in motion in either direction, the mechanism is protected from overload by the motor instantaneously and automatically switching off.

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