Technology

Abstract: The efficiency of batch processing of small knife boards is relatively low. Design a fixture to improve the processing efficiency and accura

Abstract: The reasons affecting fatigue damage of metal parts were analyzed. Through experiments, it was found that the damage to metal parts subjecte

Taking GB5786-M8 hexagonal head bolt as an example to illustrate Cold heading forging process is a metal pressure machining process with little or no

The following two aspects must be paid attention to when punching: (1) The problem of square expansion after nut punching Punching is actually punchin

2.2.2 Cold heading (pressing) process for nuts (1) Classification of Common Nut Cold Heading Processes Hexagonal nuts are also a widely used fastener

2.2 Analysis of deformation shapes of processes and workstations in cold heading technology The cold heading (pressing) of fastener products is comple

2.1.4 Determination of forging times In cold forging, products usually need to go through two or more forging processes before forming. Reasonable det

1.2 Basic laws of metal plastic deformation 1.2.1 Law of minimum resistance During metal deformation, the particles of the deformable body have the po

In the forming process of fasteners, cold heading (extrusion) technology is a main processing technology. Cold heading (extrusion) belongs to the cate

Abstract: Analyze the factors that affect the service life of roller cold heading molds, improve their service life, and save mold costs. Keywords: Ro

Abstract: The heavy punching cold-forging die for the conical-roller of bearing made of Cr12MoV steel has shorter service life. The failure of this di