Steel back two-way synchronous broaching device and use method thereof
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United States of America Patent
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Nov 29, 2016
Grant Date -
Oct 2, 2014
app pub date -
May 17, 2012
filing date -
Dec 21, 2011
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Abstract
The invention relates to a steel back two-way synchronous drawloom and a use method thereof. The drawloom comprises an upper die base, an upper die board, a lower die base and a lower die board, and further comprises a molded upper die and a working positioning lower die. With the adoption of a two-way synchronous broaching gear method, a gear of a product in the invention has the advantages of high density, high strength, as well as uniform and neat arrangement; furthermore, a brake pad of the product in the invention has the advantage of high shear strength. In addition, the drawloom has high production efficiency, stable whole production process, a firm gear root, and non easy falling, as well as is adaptable to be produced in mass.
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