Wirewear®
PHYSICAL PROPERTIES:
Texture as Sprayed: Med.(200-350 microinches aa)
Microhardness: As Sprayed 60RC
After Abrasive Load <70RC
Finish – Ground Excellent
Coefficient of Friction: Low
FEATURES:
1. Hard and abrasive resistant
2. Low coefficient of friction
3. Hardness increases in service
4. Virtually crack-free surface
5. Increased capstan and block life
6. Improved drawability without center coil marking
GENERAL INFORMATION
Pressure on wire drawing dies coupled with the high speed that the wire moves through wire drawing machines produces large amount of heat due to friction. Until recently there was only two practical solutions for lowering wire drawing friction . One was the use of special lubricants between the moving wire, the dies and the wire drawing block. This technique has certain physical limitations. The second was slowing down the drawing machines thus reducing production output.
The A&A Company has been experimenting, since 1995, on a new friction lowering technique by coating the wire drawing capstans with low friction, non-sticking, abrasion resistant mixtures. Finally A&A has perfected a mixture, trademarked Wirewear® Coating, This new capstan material shows a substantial improvement in the manufacture of both ferrous and non-ferrous wire for size ranging from .031 to .375. The coating is hard and abrasive resistant and the surface of the coating exhibits a low coefficient of friction with the added advantage of increasing hardness in service. Wirewear Coating also demonstrates impressive elasticity for a coating material this hard. This property allows for a virtually crack-free surface on both new and reconditioned capstans.
A&A Company, Inc. can also provide wear resistant coatings to improve the performance of other components in the wire processing industry. These include sheaves, pulleys, rollers, rings, guides and annealer pulleys as well as capstans and blocks.
A&A Company has more than 50 years of experience supplying coatings to the printing, packaging, semi-conductor, power generation and many other industries.
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