Spring is one of the important basis of the mechanical products.
It's a lot of more phyletic, according to the shape classification are: spiral spring, plate (
)
Spring, disc springs, ring springs, plane (
Truncated cone)
Volute spring, etc.
According to the bearing characteristics of the division are: compression, tension,
torsion spring, etc.
The abnormal fracture of spring why?
Tell you what spring manufacturer.
Spring under the stress mainly include: the bending stress, torsion stress, compressive stress and combined stress, etc.
The failure mode mainly include: fracture of the spring, deformation, relaxation, wear and tear.
One of the main analysis is fracture and deformation (
Relaxation)
。
Brittle fracture: spring break in most belongs to brittle fracture.
Only when working temperature is higher, have plastic fracture may occur.
The fatigue fracture in engineering, such as stress corrosion cracking and hydrogen embrittlement fracture is called the fatigue fracture of brittle fracture: spring fracture under cyclic loading.
Stress corrosion fracture: the tensile stress and corrosion medium under the action of spring fracture phenomenon.
Corrosion fatigue fracture: the spring under cyclic load and corrosion medium common occurrence of fracture.
Hydrogen embrittlement, cadmium brittle, black crisp: due to the spring material with high content of impurities in brittle fracture.
Wear: wear can be divided into: abrasive wear and corrosion, fatigue fracture.
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