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Taboo taboos, be sure to remember

Source: Browse:87 The release date:2023.03.16 [ Large medium small ]

1. The tailoring process should not be used for crispy and hard materials

Pole, landing, and cutting processes should not be used to use materials with high brittleness and high hardness. The crispy materials, the more tears are produced in the tailor; the materials are strong, such as high -carbon steel. The surface of the tailor surface is very large, and it is particularly serious to the thick materials.


Good elasticity, high -moving limits, can get good sections. Especially soft materials such as low -zinc and brass can be cut out of sections with smooth and small tilt.


2. The curved process should not be used to use high elastic materials

The curved process should not be used for high elastic materials. The greater the elasticity of the material, the larger the formation of the formation part of the original state after bending, resulting in the fact that the workpiece cannot reach the scheduled shape, and multiple tests and modifications are required.


The materials of the curved process should have sufficient plasticity, lower yield points and high elastic modulus. The former guarantees that it will not crack, and the latter makes the workpiece easy to achieve accurate shapes. The most suitable materials for curved are low -carbon steel, pure copper and pure aluminum.


3. The depth process should not be used to use materials with poor plasticity

The deep process should not be used to use materials with poor toughness. Due to the small degree of deformation allowed by low plastic materials, it is necessary to increase the pull -up process and the number of intermediate annealing times. Danity uses the material to require strong toughness, low yield point, and good stability.


The smaller the ratio of the yield point of the deep material to the tensile strength, the better the depth performance, and the greater the limit of one deformation. Materials commonly used for depths are low -carbon steel, low -zinc brass, pure aluminum and aluminum alloy, and Austenite stainless steel.


4. The cold extrusion process should not be used for high -strength, low -plastic materials

The cold extrusion process should not be used to use materials with high mechanical strength and low plasticity to avoid increasing deformation resistance and cracking. Cold crowded materials have high plastic, low yield points and low processing hardening sensitivity.


The most suitable materials are pure aluminum and aluminum alloy, brass, tin phosphorus bronze, nickel, zinc and zinc cadmium alloy, low -carbon steel, etc.