The correct posture to open the tension spring
1. what is the correct posture to open the tension spring?
the service life of the extension spring depends not only on the manufacturing accuracy, reasonable spring structure, good heat treatment effect, the correct selection of the spring machine and the installation accuracy of the extension spring, but also on the accurate use and maintenance of the spring. in view of this, it is recommended to pay attention to the following points:
1. before using the tension spring, it must be strictly checked to confirm that there is no dirt and dust, etc., and the punch turntable and die mounting seat should be checked regularly to ensure the coaxial accuracy of the upper and lower turntables.
2. when the tension spring punch and the cutting edge of the die are worn, it should be stopped in time and sharpened in time, otherwise the wear degree of the die cutting edge will expａnd rapidly, the service life of the die will be shortened, and the quality of the spring will be reduced.
3. install the male and female molds on the turntable according to the mold installation procedure to ensure that the male and female extension springs are in the same direction, especially the extension springs with direction requirements should be more careful to avoid mistakes.
4. when installing the mold, the spring processing personnel should use soft metal to make operating tools to prevent the tension spring from being damaged by knocking and smashing during installation.
5. in order to prolong the service life of the extension spring, the die spring should be replaced regularly to prevent the strain from affecting the service life of the extension spring.
2. the tension spring may undergo qualitative changes due to external conditions
1. wear of the extension spring spring:
wear can be divided into abrasive wear, fatigue wear and corrosion wear and fracture.
2. brittle fracture:
most spring fractures are brittle fractures. plastic fracture occurs only when the working temperature is high. in engineering, fatigue fracture, stress corrosion fracture and hydrogen embrittlement fracture are called brittle fractures.
3. tension spring fatigue fracture:
fracture of springs under cyclic loading.
4. hydrogen embrittlement, cadmium embrittlement and black embrittlement;
brittle fracture caused by excessive impurity content in the spring material.
5. corrosion fatigue fracture:
tension spring fracture under combined action of cyclic loading and corrosive media.
6. stress corrosion cracking:
under the combined action of tensile stress and corrosive medium, the tensile spring is fractured.
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The correct posture to open the tension spring
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the service life of the extension spring depends not only on the manufacturing accuracy, reasonable spring structure, good heat treatment effect, the correct selection of the spring machine and the installation accuracy of the extension spring, but also on the accurate use and maintenance of the spring. in view of this, it is recommended to pay attention to the following points:
1. before using the tension spring, it must be strictly checked to confirm that there is no dirt and dust, etc., and the punch turntable and die mounting seat should be checked regularly to ensure the coaxial accuracy of the upper and lower turntables.
2. when the tension spring punch and the cutting edge of the die are worn, it should be stopped in time and sharpened in time, otherwise the wear degree of the die cutting edge will expａnd rapidly, the service life of the die will be shortened, and the quality of the spring will be reduced.
3. install the male and female molds on the turntable according to the mold installation procedure to ensure that the male and female extension springs are in the same direction, especially the extension springs with direction requirements should be more careful to avoid mistakes.
4. when installing the mold, the spring processing personnel should use soft metal to make operating tools to prevent the tension spring from being damaged by knocking and smashing during installation.
5. in order to prolong the service life of the extension spring, the die spring should be replaced regularly to prevent the strain from affecting the service life of the extension spring.
2. the tension spring may undergo qualitative changes due to external conditions
1. wear of the extension spring spring:
wear can be divided into abrasive wear, fatigue wear and corrosion wear and fracture.
2. brittle fracture:
most spring fractures are brittle fractures. plastic fracture occurs only when the working temperature is high. in engineering, fatigue fracture, stress corrosion fracture and hydrogen embrittlement fracture are called brittle fractures.
3. tension spring fatigue fracture:
fracture of springs under cyclic loading.
4. hydrogen embrittlement, cadmium embrittlement and black embrittlement;
brittle fracture caused by excessive impurity content in the spring material.
5. corrosion fatigue fracture:
tension spring fracture under combined action of cyclic loading and corrosive media.
6. stress corrosion cracking:
under the combined action of tensile stress and corrosive medium, the tensile spring is fractured.
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The correct posture to open the tension spring
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