Roemheld CLR-3301-107 | 40mm Jaw Width Fastening Screw

Roemheld Fixed Jaw

Fixture Clamps are extremely compact, high-precision power vises designed to be incorporated into workholding fixtures. Unlike standard vises, Fixture Clamps do not have a leadscrew for adjustment – instead using exchangeable, machineable clamping jaws that must be custom sized for the workpiece. Slim, solid vise body with high-rigidity and complete protection against dirt and chips. Manifold mounting is standard for maximum compactness and mounting flexibility, but fluid can alternatively be supplied using standard fittings by adding an optional Adaptor Plate.

Clamping Action

Applying fluid pressure to the A (clamping) port advances two hydraulic pistons integrated into the vise body. The piston forces are transfered via a guided connecting link to the two clamping slides so that concentric synchronization is obtained. Switching pressure to the B (unclamping) port moves the slides positively outward, via the same connecting link. Self-centering Fixture Vises can only be used to clamp inward, on the exterior of a workpiece.

Design Considerations

Self-Centering Fixture Clamps can only be used for exterior clamping. Every 500 clamping cycles, the clamping slide should be lubricated using port S provided for central lubrication. Never use up the entire clamping stroke, to ensure safe clamping of the workpiece with full force. Clamping jaws should always rest against the end supports, because the fastening screws alone cannot resist the maximum clamping forces.

Mounting & Fluid Supply

Self-Centering Fixture Vises have two locating holes underneath for dowel pins, to provide precise alignment on a fixture plate. Fasten from below with eight socket-head cap screws (Mounting Option 1). If fastening from below is not possible, or to use standard fittings instead of manifold mounting, order the optional Adaptor Plate (Mounting Option 2 or 3). Self-Centering Fixture Vises can be mounted in any position, horizontal or vertical. Fluid is supplied to manifold ports A and B underneath the vise through drilled passages in the fixture. O-ring port S is provided for central lubrication of the clamping slide.

Clamping Jaws

Because Fixture Vises do not have a leadscrew for adjustment, clamping jaws must be custom sized for the workpiece. Exchangeable, machineable blank clamping jaws (4130 steel) are sold separately – see Dimensions page for part numbers, as well as for dimensions of user-manufactured jaws.

Material

Parts Specification

Warning:

This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.

For more information, visit www.P65Warnings.ca.gov