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Fast and secure clamping for linear guides – LinClamp

LinClamp clamping and braking systems are designed to brake and retain masses moving axially over linear guide rails and elements. Their design, surface quality, and dimensional, shape, and positional tolerances are equivalent to the commercially available linear guide rails.

Operating principles

LinClamp S/SK released

Compressed air is applied to the chamber between the two spring steel diaphragms. This deforms the spring steel sheets elastically and shortens them in the horizontal direction. The clamp body is deformed in such a way that it comes into contact at the top with the spring steel sheets and expands at the bottom around the brake shoes. This lifts the brake shoes from the rail, making it freely moveable.

LinClamp S/SK clamped

The chamber between the two spring steel diaphragms is vented. The spring steel sheets spring back to their normal position and expand the upper part of the clamping body. However, this expansion at the top simultaneously leads to a narrowing at the bottom. This narrowing causes the brake shoes to press against the rail and to clamp it.

LinClamp SA released

Venting causes the sheet to spring back and splays out the clamping body below the slide way. The base plate, which has previously been reformed elastically, now springs back to its starting position. It is thereby narrower above the cross web and wider beneath it. The brake shoes lift off from the rail. The operating pressure is 4 to 6 Bar.

LinClamp SA clamped

To activate the clamping mechanism, the chamber below the spring steel sheet is filled with compressed air. The prestressed spring steel sheet is thereby pressed upwards and simultaneously stretched. Simultaneously, the lower part of the clamping body is narrower over the cross web as pivot point. This presses the brake shoes against the rail. For particularly critical applications, we also offer a LinClamp version with quick exhaust valve: with this model, the already short reaction time is reduced by another 30 percent.

Your advantages with the LinClamp


Optimum safety clamping, failure of pneumatics results in clamping (types S, SK)


Low system costs in comparison to hydraulics and electronic solutions


Suitable for almost all sizes and manufacturers of linear guides and compatible with almost all commercially available rail clamping solutions


Due to its compact design, the LinClamp is suitable for high and low carriages (Series S, SK and SA)

The right clamping system for every application

Our LinClamp clamping systems are available in two versions: as a classic design that opens when compressed air is applied and eliminates the need for compressed air or compressed air failure (fail-safe) or as an active version that clamps when pressurized. 

LinClamp clamping systems are available in many sizes and for both low and high carriages.

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