Description:Stainless steel metal stamping parts refer to stamping products made of stainless steel materials. The specifications and models of stainless steel are different, and the manufacturers are also different. Generally, stainless steel stamping parts are proc
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Stainless steel hardware stamping parts
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Stainless steel metal stamping parts refer to stamping products made of stainless steel materials. The specifications and models of stainless steel are different, and the manufacturers are also different. Generally, stainless steel stamping parts are proc
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Stainless steel metal stamping parts refer to stamping products made of stainless steel materials. The specifications and models of stainless steel are different, and the manufacturers are also different. Generally, stainless steel stamping parts are processed and produced
characteristics of stainless steel hardware stamping parts
(1) high yield point, good hardness, significant cold work hardening effect, easy to crack and other defects
(2) the thermal conductivity is worse than that of ordinary carbon steel, resulting in large deformation force, blanking force and drawing force
(3) during deep drawing, the plastic deformation hardens violently, and the sheet is easy to wrinkle or fall off
(4) the deep drawing die is prone to adhesive tumor, resulting in serious scratch on the outer diameter of the part
(5) when drawing, it is difficult to reach the expected shape
the scratch on the surface of stainless steel metal stamping parts is mainly due to the relative movement between the workpiece and the die surface. Under the action of determined pressure, the blank and the local surface of the die directly produce friction. In addition, the deformation heat of the blank causes the blank and metal chips to be deposited on the die surface, resulting in scratch on the surface of the workpiece
common problems and solutions in the stamping process of stainless steel metal stamping parts:
1. Scratches are formed on the surface of stainless steel stamping parts
scratches on the surface of stainless steel stamping parts are mainly due to the relative movement between the workpiece and the die surface. Under the action of determined pressure, the blank and the local surface of the die are directly rubbed. In addition, the deformation heat of the blank makes the blank and metal chips deposited on the die surface, Scratch the surface of the workpiece
When the austenitic and martensitic transformation index of stainless steel is high, martensitic transformation will occur. Martensite is brittle, so it is easy to crack. In addition, during plastic deformation, with the increase of deformation, the induced martensite content will also increase with the increase of deformation, which is mainly clinical effect. The greater the residual stress, the easier it is to crack in the processing process3. The die of stainless steel stamping parts wears out too fast
the die clearance of stainless steel stamping parts is too small, the alignment of convex and concave dies is not good, and the accuracy of die base, die guide assembly and turret insert is insufficient. The first mock exam of the same die for continuous stamping for a long time causes the punch to overheat, and the local punching is repeated. When the punching angle, the punching angle or the shearing force is applied, the lateral force will cause the punch to be biased to the side, causing serious wear. p>
4. The stainless steel stamping die is loaded
the sharpness of the edge of the stainless steel stamping die, the entry modulus of the die and whether the gap of the die is reasonable will lead to the problem of loading of the die. In addition, if non one-to-one stamping oil is used, problems such as glue rising and viscosity increase due to oil oxidation will also occur
5. The quality of stamping oil used for stainless steel stamping parts
the selection of stainless steel stamping oil is very important. The stamping drawing oil with good performance contains sulfur and chlorine compound additives, which can protect the extreme pressure machining performance and avoid hardening, deformation, burr, fracture and other problems of the workpiece. At the same time, low viscosity stamping and drawing oil should be selected as far as possible for the easy cleaning of the finished workpiece
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