Gear Extrusion
As the material passes through these dies, it is actually squeezed into the shape of the die. As the material is displaced by pressure, the outside surface is work hardened and quite smooth.
From Gear Data
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Gear Extrusion
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for the mass production of spur gears. The material is pushed
(as opposed to pulled in cold drawing) through a series of block
dies, the final die being a cross section of the desired tooth element.
As the material passes through these dies, it is actually squeezed into the shape of the die. As the material is displaced by pressure, the outside surface is work hardened and quite smooth. |
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| Whereas: From Gear Data |
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