Standard Swing Clamp – Top Flange
B1.880

Standard Swing Clamp – Top Flange

3000 to 7250 psi max

Specs & Information

Features

  • available in four clamp sizes
  • single or double acting
  • choice of clockwise, counterclockwise, or zero° swing
  • available with 45° and 60° swing angles by special order
  • double-acting clamps are also available with longer clamping strokes (25mm or 50mm) by special order
  • clamping force at 7250 psi for single-acting clamps with a pivoting clamping arm

 

 

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b1.880_standard_swing_clamp
Swing Clamps utilize a sturdy helical-cam mechanism to swing the clamping arm clear for unrestricted loading. The Standard Swing Clamps shown here accept a wide variety of clamping arms, with maximum allowable operating pressure depending on the type of arm selected (3000 to 7250 psi max). These Swing Clamps incorporate our unique safety-clutch mechanism. If the clamping arm strikes an unexpected object during its swing, the clutch disengages to avoid damaging the object or the clamp’s helical-cam mechanism. Clamping arm can be mounted to start its 90° swing from any position within 360°. The top-flange version shown here allows low-profile installation. Dual mounting capability provides every clamp with the option of using either standard fittings or manifold mounting.
Available in four clamp sizes, single or double acting, with a choice of clockwise, counterclockwise, or zero° swing. Available with 45° and 60° swing angles by special order. Double-acting clamps are also available with longer clamping strokes (25mm or 50mm) by special order. Clamping force at 7250 psi for single-acting clamps with a pivoting clamping arm:
          1060 Lbs     (3 series)
          2700 Lbs     (5 series)
          4200 Lbs     (6 series)
          7300 Lbs     (7 series)

 

Design Considerations 

These Swing Clamps incorporate our unique safety-clutch mechanism. If the clamping arm strikes an unexpected object during its swing, the clutch disengages to avoid damaging the object or the clamp’s helical-cam mechanism.  Do not exceed maximum fluid flow rate in table. For extended clamp life and proper operation of the safety clutch, 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.

Clamping Action 

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 swings arm 90° over workpiece then clamps down. Single-acting version has a fast, totally dependable spring return that lifts arm then swings it back 90° for loading/unloading. Optional fluid return (double acting). Available with clockwise, counterclockwise, or zero° swing.

Mounting & Fluid Supply 

Standard fittings                 Manifold Mounting 

Fasten clamp with three socket-head cap screws. Dual mounting capability provides every clamp with the option of using either standard fittings or manifold mounting. 1/4″ BSPP port (two for double-acting clamps).  Do not use NPT fittings.
For optional manifold mounting, use the O-ring port underneath, instead of the standard port (two for double-acting clamps). For manifold mounting, the mounting surface must be ground flat to ensure proper O-ring sealing. Unscrew the sealing plug in each O-ring port and install a CLR-3000-347-SW O-ring (also install a CLR-810-F Port Plug in each 1/4″ BSPP port).
Clamping Arm 
Order clamping arm separately  – see clamping arm accessories. Maximum allowable operating pressure depends on the type of arm selected. Choose a Standard Clamping Arm for 3000 psi max, a Gooseneck Clamping Arm for 5000 psi max, or Pivoting Clamping Arm for 7250 psi max (requires a rear support). Longer, custom clamping arms will further reduce allowable operating pressure, inversely proportional to arm length.
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Clamping force with Pivoting Arm

Top-flange swing clamp used together with a flange-base swing clamp to clamp at different heights. Both clamps are manifold mounted, with fluid passages in the base plate.