Metric Screw Gears
KHK USA Inc., distributor of the market leading KHK® brand of metric gears, announces its extensive line of metric screw gears, manufactured to the highest quality standards by Kohara Gear Industry Co., of Japan. KHK’s large selection of screw gears are suitable for a very wide range of applications, including conveyors with light loads and are offered in many materials, modules and numbers of teeth. KHK stock screw gears are available in economical S45C carbon steel, as well as rust-resistant SUS303 stainless steel suitable for food machinery. Corrosion-resistant and wear-resistant CAC702 (formerly AlBC2) aluminum bronze are also available. The KHK catalogue of stock screw gears also includes light-weight MC Nylon screw gears that can be used without lubrication. Other plastic materials are available, including Ultra High Molecular Weight Polyethylene (UHMW-PE), which has excellent abrasion resistance. A single piece order is acceptable and will be produced as a custom-made gear. Screw gears are crossed helical gears with helix angles of 45 degrees. As such, they are the only helical gear pairing that can be used in either a left hand – left hand combination or a left hand – right hand combination. When used in a left hand – left hand combination, the gears operate with non-parallel and non-intersecting axes. In this fashion they operate in a similar manner to miter or bevel gears.
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