ROEMHELD Compact Swing Clamps – Top Flange, Double Acting, B1.8491 (1 Series)

ROEMHELD Power Workholding

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Product Information

5000 psi max

Double Acting

Swing Clamps utilize a sturdy helical-cam mechanism to swing the clamping arm clear for unrestricted loading. The Compact Swing Clamps shown here are extremely small, economical clamps suitable for many applications. Clamping arm can be mounted to start its 90° swing from any position within 360°. The top-flange version allows low-profile mounting, using either standard fittings or manifold mounting.

Available in one clamp size, double acting (shown here) or single acting (see Related Products below), standard fittings or manifold mounted, with a choice of clockwise, counterclockwise, or zero° swing. Available with 45° and 60° swing angles by special order. Clamping force at 5000 psi for double-acting clamps with a standard arm:

490 lbs (1 Series)

Documents

B1.8491

Data Sheet

Clamping Action

Diagram showcasing the application of Roemheld Compact Swing Clamps Top Flange Double Acting B18491 1 Series

Available with clockwise, counterclockwise, or zero° swing

Swing Clamps are pull-type cylinders where part of the total stroke is used to swing the piston, and the remaining stroke is available as the clamping range. Applying fluid pressure to the A (clamping) port swings arm 90° over workpiece then clamps down. Switching pressure to the B (unclamping) port positively lifts arm then swings it back 90° for loading/unloading.

Design Considerations

Due to their small size, these Swing Clamps do not have overload protection; therefore the swing motion must not be restricted in any way. Be sure to adjust the contact bolt so that the clamp completes its full swing stroke and starts its clamping stroke before contacting the workpiece. To be safe, use low operating pressure during initial setup.

Do not exceed maximum fluid flow rate in table. For extended clamp life a simple flow-control valve may be required if the fixture is powered by a high-flow-rate power source and only contains a few clamps. Clamping time should be at least one second.

Mounting & Fluid Supply

Version 1

Standard Fittings

Version 2

Manifold Mounting

Clamping Arm

Standard Clamping Arm

5000 psi max

Order clamping arm, screw, and washer separately. Clamping arm includes a contact bolt.

Material

Click here for detailed material and finish specifications.

California residents click here for Prop 65 information.

ITEM	MATERIAL	HEAT TREAT	FINISH
Piston	Alloy steel	-	nitrated for wear and corrosion resistance
House	Mild Steel	-	Nitrated for wear and corrosion resistance
Piston Rod Wiper	Viton	-	-