SMW Autoblok (Wheeling, IL) introduced the BIG BORE® BB-EXL-SC2G front-end spring clamp power chuck featuring a jaw stroke of 1.5 inches, as well as increased safety monitoring. It utilizes spring clamping and pneumatic unclamping with lower air consumption. It has a step mode for partial opening and clamping when shimming. As a self-centering chuck, it has an open and clamp time of less than three seconds.

Available with the optional control unit, the stroke control monitors both the pressure and stroke to ensure that pipes stay in place, and won’t allow the jaw to move if the pressure is too low. The chuck is Proofline® sealed, and permanent grease lubrication helps the chuck retain constant grip force for more efficient turning.

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