SC Swing Clamps

Page 1 1) Vertical (rod up or rod down) applications only. 2) Swing portion of stroke is only to be used to align a clamp arm to the workpiece. Do not attempt to use the swing stroke to apply forces to the work piece. 3) Make certain the cylinder applies loads only in the straight portion of stroke, the loaded surface of the workpiece is perpendicular to the clamp cylinder axis and that the workpiece will not move to create a rotational force when clamped. 4) Clamp Arm Attachments: When removing or attaching the clamp arm, brace the arm with a wrench or hold it steady in a vise. Not doing so may damage the internal parts of the clamp cylinder. 5) Operating Pressure: Max. operating pressure should be determined based on Dim. “X of either standard or custom length clamp arm. 6) Piston / Clamp Speed: Use flow control valves to limit piston speed to not greater than limits shown. Bulletin #SC-DB04 NEW PRODUCT BULLETIN Swing Clamp Cylinders featuring. . . “SC” Series 7-23-07 Precautions Operating Pressure (psi) 29 116 87 58 Clamping Arm Length (mm) Dim. X 145 20 40 60 80 100 200 SC12 SC16 Allowable Operating Range SC20, 25 SC50, 63 SC32, 40 14 How to Order Specifications 1) Specify “SC” 2) Specify the bore 3) Specify the straight stroke 4) Specify direction of swing The clamp arm rotates 90° as it extends away from the workpiece providing clearance and ac- cess for unload/load operations. Double acting operation and standard magnetic piston offer positive cycles, durability and workpiece detection features. Extruded aluminum body mounts directly and rigidly to equipment surfaces in a minimum of space. Operation cycle : 1) Clamp arm extends (straight line) as it releases clamp load from workpiece. 2) Arm rotates 90° to full extend position. 3) When retracting, clamp arm swings 90°: Model Code R = clockwise direction, Model Code L = counterclockwise rotation. 4) With clamp arm in position over the workpiece, it follows a straight line path to apply clamping force. • Magnetic Piston • Clamp arm with adjusting bolt • Four rod end flats for clamp arm positioning all included as standard at no extra charge! Specifications and pricing subject to change without notice or incurring obligation Piston Speeds (mm/sec) 20 80 60 40 100 200 Clamping Arm Length (mm) Dim “X” 20 40 60 80 100 200 SC50, 63 SC12, 16 SC20, 25 SC32, 40 Weights (lbs) Straight Stroke SC12 SC16 SC20 SC25 SC32 SC40 SC50 SC63 10 0.15 0.22 0.55 0.62 1.10 1.31 – – 20 0.19 0.27 0.64 0.71 1.16 1.41 2.42 3.35 50 – – – – – – 2.98 3.98 Model Note: a) Please order sensors separately from page 4. b) Please order Flange Kits separately from page 3. c) Swing Clamp Arm, four Wrench Flats and Magnetic Piston are included as standard at no extra charge. Competition charges extra for these essential features! Action Double Acting, Magnetic Piston Bore Size (mm) 12 16 20 25 32 40 50 63 Max. Moment (ft-lbs*) 0.73 2.8 5.1 9.5 19.9 34.6 78.9 134.2 Swing Stroke (mm) 7.5 7.5 10 10 13 13 18 18 Straight Stroke (mm) 10, 20 20, 50 Direction of Swing R-Clockwise; L-Counter Clockwise Angle of Swing 90° ± 10° Theoretical Clamping Force (lbs) See chart on page 2 Operating Media Compressed Air or Petroleum Based Hydraulic Fluid Max. Operating Pressure 145 psi (10 bar) - See “Precautions” Piston Speed 50 to 100 mm/sec Temperature Range -10° to + 70°C (+14° to 158°F) Lubrication Air line lubrication recommended * Max. bending moment allowed when retracting Dim. X See Page 3 Series SC 25 x 20 R Bore (mm) ø12, ø16, ø20 ø25, ø32, ø40 ø50, ø63 Direction of Swing when retracting R - Clockwise L - Counter Clockwise Straight Stroke (mm) 10: ø12 - ø40 20: ø12 - ø63 50: ø50, ø63 Ports Blank = NPT P = BSP Taper

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