Chain Clamps from Wixroyd
What is...
Wixroyd's comprehensive range of machine elements, standard parts, access components and workholding equipment contains a broad selection of sizes in materials including; stainless steel, steel, die-cast zinc as well as plastic. CAD models of Wixroyd components are available for free visit CAD download. For a free copy of the latest Wixroyd catalogue, the designers indispensable guide to A Range of Endless Possibilities, visit free literature.
Wixroyd are trusted by some of the best known design and manufacturing companies - helping them design, manufacture and assemble their products. Let our technical engineers help solve your unique application challenge.
Used for large diameter clamping. Made from aluminium. Provides strong and even clamping.
Used for large diameter clamping. Provides strong and even clamping up to 50kN.
The even distribution of the clamping force reduces workpiece deformation. Made from heat treated steel.
These Tension Hooks are made for chain clamping set 12700. Hardened and tempered alloy steel.
For use with chain clamp set 12700. Takeup Hook is for the initial pre-tightening of chain, prior to final clamping.
Angle Block for chain clamp set 12700. Ideal for use when clamping components. Sold as individual pieces.
Associated Product
Wixroyd offers two types of T-slot Bolts one in strength class 8.8/10 and the extra strength version in 12,9 class.
Strength class 10, Heat-treated Steel T-nuts made to din 508. Free CAD models are available for our T-nut products.
Strength class 10, Heat-treated Fixture Nuts made to din 508. Free CAD models are available for our fixture nut products.
Strength class 10, Heat-treated Fixture Nuts made to din 508. Free CAD models are available for our T-nut products.
Features
Our comprehensive range of clamping elements includes a compact and powerful workpiece clamping element; the Chain Clamping set no. CL2502. This set was specifically designed for clamping large workpieces with round or arched surfaces.
Due to an increase in the bearing surface of the chain, the clamping force is distributed more evenly across the workpiece thereby reducing deformation. The Chain Set can also be used for clamping of 'filigree' workpieces of component parts.
Installation
Setting up
1. Attach the hook unit and the take-up unit as close to the workpiece as possible.
2. Turn the knurled nut on the take-up unit until the pull rod is fully extended. Select the number of chain segments required for the workpiece and attach to the pull rod.
3. Fine adjustment of the chain lengths is made by tightening the knurled nut until the chain slightly touches the workpiece.
4. To clamp the workpiece, connect the free end of the chain onto the hook unit. Using a hex key, tighten the eccentric shaft and ensure the lever is rotated to its fully locked position (180°). The workpiece is now clamped.
Technical Specs
Important factors in selection of Chain Clamp
Chain length and stretch
The clamping force achievable through the Hillcliff Chain Clamp set is dependent upon three factors:
- Workpiece diameter (see graph).
- Chain length and stretch (see graph).
- Contact angle of chain and workpiece (see table below right).
Torque value of 50Nm is used for M12 set. Torque value of 90Nm is used for M16 set.
Table of clamping force to contact angle α
| Torque | α = 105o | α = 120o | α = 135o | α = 150o | α = 180o | |
| M12 | 50Nm | 80% | 87% | 92% | 97% | 100% |
| M16 | 90Nm | 80% | 87% | 92% | 97% | 100% |
Important note: Achievable clamping force is reduced as the contact angle of chain and workpiece (α) reduces. Please use the table above as a guide.
