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Spring steel performance requirements on the importance of spring machine
Published：2014.08.28 News Sources：kaichuang spring machinery Views：
With a wide application of spring steel processing, forming in the spring, has good comprehensive properties, such as mechanical properties (especially the elastic limit, ultimate tensile strength and yield ratio etc.), hardenability, fatigue resistance, elasticity attenuation resistance performance (i.e., anti sagging performance, also known as anti relaxation properties), physical and chemical properties (heat resistance, low temperature resistance, resistance to oxidation and corrosion resistance etc.). In order to meet the performance requirements, spring steel not only has excellent metallurgical quality (i.e. high degree of purity and uniformity), but also has good surface smoothness (i.e., strict control of surface defects and decarburization) and the exact shape and size etc..
Intensity limit: the maximum stress occurs object failure occurs when an external force is applied, the failure strength / is also called the failure stress. Generally with the nominal stress to represent. According to the stress of different, can be divided into tensile strength (σ T), compressive strength (σ C) and shear strength (σ s) et.
The mechanical properties of the material refers to the material under different environmental conditions (temperature, humidity, medium), subjected to various loading (tensile, compression, bending, torsion, shock, alternating stress) mechanical characteristics exhibited by the.
Hardenability refers to (spring machine) penetration depth and hardness distribution to characterize the material characteristics under specified conditions the sample quenched, it mainly depends on the critical size of the quenching cooling rate. Under specified conditions, determining the characteristics of steel hardening depth and hardness distribution. The steel quenching is the ability to get the depth of hardened layer size, it indicates the ability to accept the quenching of steel. Steel hardenability of good and bad, commonly used to represent the depth of hardened layer. The depth of hardened layer is large, then the hardenability of the steel.
Tensile spring steel (compression spring machine) is usually carried out in the above glass transition temperature. Uniaxial orientation and biaxial orientation can make the polymer to produce anisotropic (mechanical, optical, thermal, electrical and so on), the plane biaxial orientation of molecular chain orientation is random. Crystalline polymer stretching the spherulite can be deformed to failure, partially folded chain lamellae is pulled into a straight chain, under certain conditions can be arranged along the stretching direction and fully extended chain crystals. The information content from Kaichuang spring machine: http://www.kcmcnc.com/en/.
Intensity limit: the maximum stress occurs object failure occurs when an external force is applied, the failure strength / is also called the failure stress. Generally with the nominal stress to represent. According to the stress of different, can be divided into tensile strength (σ T), compressive strength (σ C) and shear strength (σ s) et.
The mechanical properties of the material refers to the material under different environmental conditions (temperature, humidity, medium), subjected to various loading (tensile, compression, bending, torsion, shock, alternating stress) mechanical characteristics exhibited by the.
Hardenability refers to (spring machine) penetration depth and hardness distribution to characterize the material characteristics under specified conditions the sample quenched, it mainly depends on the critical size of the quenching cooling rate. Under specified conditions, determining the characteristics of steel hardening depth and hardness distribution. The steel quenching is the ability to get the depth of hardened layer size, it indicates the ability to accept the quenching of steel. Steel hardenability of good and bad, commonly used to represent the depth of hardened layer. The depth of hardened layer is large, then the hardenability of the steel.
Tensile spring steel (compression spring machine) is usually carried out in the above glass transition temperature. Uniaxial orientation and biaxial orientation can make the polymer to produce anisotropic (mechanical, optical, thermal, electrical and so on), the plane biaxial orientation of molecular chain orientation is random. Crystalline polymer stretching the spherulite can be deformed to failure, partially folded chain lamellae is pulled into a straight chain, under certain conditions can be arranged along the stretching direction and fully extended chain crystals. The information content from Kaichuang spring machine: http://www.kcmcnc.com/en/.