3M™ Friction Shims
- 3M ID B49000165
Details
Highlights
- Offers up to 5X increase in the coefficient of static friction even with dissimilar counterparts
- Allows same bolted connection to transmit significantly higher torque loads
- Increases design freedom by enabling higher loads and shear forces without the need to change parts or component sizes
- Simple drop-in solution typically requires no modifications to component design
- Enables downsized components by using smaller and lighter bolts and fasteners
3M™ Friction Shims consist of a nickel-coated steel substrate with partially embedded diamond particles. When placed between two mating surfaces in a bolted connection and applied with pressure, the diamonds “bite” into each surface to create a microform fit. This allows for a coefficient of static friction up to 5× greater than in a conventional bolted connection.
Higher Torque. Same Bolt Connection In automotive, wind energy and many other industries, there is a general trend towards compact, lightweight designs with maximum power density — and high reliability. However, in order to transfer high loads in friction joints such as shaft-collar or bolt connections, the size or number of components typically needs to be increased. 3M™ Friction Shims offer a proven and cost-effective alternative: by increasing the coefficient of friction between components, they allow transmission of up to 4x higher torques — without requiring modification to the joint design.
Specifications
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