wear of cemented carbide drawing die nibs in steel wire drawing
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What are the characteristics of the liner wire drawing dies ? Straight wire drawing dies: it divided into 4 parts, The entrance area, work area, sizing area, exit area/un-lubrication area/lengthened work area, entrance area and work area are extended,, so that the wire enters the work area In the middle section, the wedge angle of the upper half of the working area and the upper half of the working area is used to establish a "wedge effect", and a denser and firm lubricating film is formed on the surface of the wire to improve the lubricating effect. However, there is no transition arc between the work area and the sizing area. During the drawing process, the wire and the wire forming surface are worn, and the test proves that the straight type is three to four times longer than the circular type.the sizing area. During the drawing process, the wire and the wire forming surface are worn, and the test proves that the straight type is three to four times longer than the circular type.
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