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Small Bore, 2 Point Contact

Centering Clamps

Double Acting

  • Often used when trying to locate using 2 bores on the same part. Use the 3 point Centering Clamp for the first bore, the 2 point unit for the second bore. This allows for minimal part variance of the second bore in a third clocking axis, while centralizing both. Functioning similar to using round and diamond locators.
  • Bore clamp with 2 point used for concentric positioning of a bore.
  • Capable of moving a part approximately 2.54 mm after the part is placed over the center mandrel.
  • The clamping points retract for easy loading, then expand hydraulically to center the bore.
  • Positional repeatability of ± 0.02.
  • Compact design keeps the cylinder out of the way and below the part.
  • May be manifold mounted as shown or purchase the optional Mounting Plate for bolt-down access to porting when mounting.
  • Fits bore sizes from 25 mm to 55 mm.
  • Can be used to center a slot, keyway or other non-round feature. Requires the use of fixed stops and or additional clamps to resist movement.
Model No.Clamp Capacity (kN)Clamping PointsClamping Range Ø (mm)RepeatabilityWeight
41-5821-0014225 - 290.02440 g
41-5821-1014228 - 320.02447 g
41-5821-2014232 - 360.02456 g
41-5821-3014236 - 400.02574 g
41-5821-4014239 - 430.02590 g
41-5821-5014242 - 460.02604 g
41-5821-6014245 - 490.02620 g
41-5821-7014248 - 520.02635 g
41-5821-8014251 - 550.02652 g
Model No.ABCDEFGHJKLMNPQRST
41-5821-002411.324.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128666.545452762.52.6416.8312
41-5821-102411.327.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128666.545452762.52.6416.8312
41-5821-202411.331.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128666.545452762.52.6416.8312
41-5821-303511.335.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128665454527572.6416.8312
41-5821-403511.338.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128665454527572.6416.8312
41-5821-503511.341.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128665454527572.6416.8312
41-5821-603511.344.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128665454527572.6416.8312
41-5821-703511.347.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128665454527572.6416.8312
41-5821-803511.350.515.994 MAX / 15.983 MIN40M6 - 1.0 X 128665454527572.6416.8312
Model No.ABCDEFGHJK
41-5821-0020.5160.01881.3637.71.116.8
41-5821-1020.5160.01881.3637.71.116.8
41-5821-2020.5160.01881.3637.71.116.8
41-5821-3020.5160.01881.3637.71.116.8
41-5821-4020.5160.01881.3637.71.116.8
41-5821-5020.5160.01881.3637.71.116.8
41-5821-6020.5160.01881.3637.71.116.8
41-5821-7020.5160.01881.3637.71.116.8
41-5821-8020.5160.01881.3637.71.116.8

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