Double-Wedge Pull-Down, Smooth Clamp In addition to holding the workpiece in place, pull-down clamps also generate pull-down action, pressing workpieces down onto the fixture plate. Single-wedge clamps can be transformed into pull-down clamps by using pull-down sets. When the set is installed, the clamp is simply turned upside down and a plate and bushing are attached. Normally serrated single-wedge clamps are recommended for use with the pulldown sets. Pull-down sets are available for B, D and F-series clamps Normally, SHCS are used for installation of the OKVISE low-profile clamps. However, in some cases using a stud for fastening proves to be more practical. For example, when the clamp has to be fastened to a plate with a relatively short thread, the thread may easily get damaged by a standard bolt. When a stud with a special OK-VISE bushing and a hex nut are used, it can prevent damage to tapped holes in expensive fixture plates and tooling columns Part Number A B C C1 D E Socket Head Screw DIN 912 Clamping Force of Jaws kN (lbs) Tightening Torque Nm (ft/lbs) Weight in g (lbs) approx. Hardness of Jaws HRC Min Optimum Max DK2-WT-S 41 45 48 41363030 5 M12x40 90 (20,232) 145 (107) 275 (0.61) 48-52 DK2-WTI-S* 1.61 1.77 1.88 1.61 1.41 1.18 1.18 0.19 1/2-13 X 1 3/4" 90 (20,232) 145 (107) 0.61 48-52 FK2-WT-S 58 61 66 5650 –42 5 M16x60 150 (33,721) 360 (265) 730 (1.61) 48-52 *DK2-WTI-S measures given in inches and pounds. FK2-WT-S DK2-WT-S/ DK2-WTI-S Part Number Clamp Size PD-SET B B PD-SET D D PD-SET F F Part Number Clamp Size BB2 B DB2 D FB2 F Pull Down Sets Stud Bushings LOW PROFILE CLAMPING Phone: 877-426-2504 | Fax: +1 216-481-6193 | E-mail: info@jergensinc.com | www.jergensinc.com 315 LOW PROFILE CLAMPING workholding solutions
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