Performance requirements and manufacturing process of metal stamping parts
Release time:
2021-06-19
1) The accuracy requirements of metal stamping parts In order to meet the accuracy requirements of stamping parts, the number of processes can only be determined by the stamping process calculation, because it is not only related to the material performance, drawing height, drawing steps and other factors, but also involves the drawing conditions such as deep diameter and material thickness. 2) detailed requirements for metal stamping parts. The number of processes mainly depends on the complexity of its structure and shape, so it can be determined after considering the number of bending angles, relative positions and bending directions. 3) The exquisite requirements of metal stamping parts When the stamping parts meet the requirements of precision and fineness, the delicacy of the workpiece becomes the new process standard. When the hardware is rushed
1. precisionhardware stamping partsPerformance requirements:
1)hardware stamping partsIn order to meet the accuracy requirements of stamping parts, the number of processes can only be determined by stamping process calculation, because it is not only related to material properties, drawing height, drawing steps and other factors, but also related to drawing diameter, material thickness and other conditions.
2)Right.hardware stamping partsRefinement requirements. The number of processes mainly depends on the complexity of its structure and shape, so it can be determined after considering the number of bending angles, relative positions and bending directions.
3) The exquisite requirements of metal stamping parts When the stamping parts meet the requirements of precision and fineness, the delicacy of the workpiece becomes the new process standard. When the cross-sectional quality and dimensional accuracy of metal stamping parts are required to be high, the trimming process can be added after the blanking process, or the precision blanking process can be directly used to obtain exquisite stamping parts and increase their value.
Manufacturing Process of 2. Precision Hardware Stamping Parts
1) Draw the parts drawing, analyze the shape characteristics, size, precision requirements, raw material size and mechanical properties of the stamping parts according to the metal stamping parts drawing, and analyze the metal stamping process of the parts in combination with the stamping equipment specifications, mold manufacturing conditions, production batches and other factors.
2) to determine the calculation of the main process parameters of the process plan on the basis of metal stamping process analysis, from the equipment occupation, mold manufacturing difficulty and life, operation convenience and safety and other aspects of comprehensive analysis. Find out the characteristics and difficulties of process and mold design, including process nature, process quantity, process sequence and combination method. And determine the scheme suitable for the existing production conditions.
3) Set process parameters Process parameters refer to the data on which the process plan is based, such as various forming factors.(Drawing factor, bulging factor)And other parts of the expansion size, blanking force and forming force. There are two cases in the calculation. One is to accurately calculate the process parameters, such as material utilization, blanking pressure center, workpiece area, etc. Second, the process parameters can only be approximated, such as general bending or drawing force, complex parts of the blank size and so on.
4) Select the metal stamping equipment according to the nature of the stamping process to be completed and the force and energy characteristics of various stamping equipment, and consider the main factors such as deformation force, deformation work, mold clamping height and contour size. Reasonable selection of equipment type and tonnage in combination with the existing equipment of the enterprise.
The choice of stamping oil for 3. precision metal stamping plays a key role in the stamping process. Good cooling performance and extreme pressure wear resistance can make a qualitative leap in the improvement of mold life and workpiece accuracy.
1) The choice of low-carbon steel sheet stamping oil When choosing carbon steel sheet stamping oil, first pay attention to the viscosity of the drawing oil. The viscosity is determined according to the process difficulty and degreasing conditions.
2) The choice of galvanized steel stamping oil will chemically react with chlorine additives, so when choosing galvanized steel stamping oil, pay attention to the possible white rust of chlorine stamping oil. Using Yida Baorun sulfur stamping oil can avoid rust The problem, but degrease as soon as possible after stamping.
3) Stainless steel is used as stamping oil for stainless steel plates and is easy to harden. Wire drawing oil with high oil film strength and good sintering resistance is required. Complex additives containing sulfur and chlorine in stamping oil are common
The above is the applicable field and technical advantages of metal stamping. Reasonable arrangement of the process, the use of special stamping oil, and the selection of reliable raw materials can effectively improve product quality.
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