What is the compression spring line? What are the characteristics?

What is the compression spring line? What are the characteristics? Spring manufacturer to introduce compression spring is a spiral spring to work under pressure, it commonly used raw materials rare annular cross-section, also effective rectangular box and multi-fiber steel production, a travelling spring is commonly pitch, such as the appearance of the compression spring are: in the cylindrical, conical, convex and concave type and small amount of the ring, with compression spring circle a circle in the middle, when subjected to external load when spring curl deformation, deformation can store. ( 1) Spring cable diameter d: manufacture of spring steel wire diameter. ( 2) The larger diameter of spring diameter D: spring. ( 3) Spring nominal diameter D1: minimum diameter of the spring. ( 4) The mean diameter of spring diameter D2: in the spring. Their calculation method is: the D2 = ( D + D1) ÷2 = D1 + d = d - d( 5) T: in addition to supporting outsider, spring adjacent laps the corresponding point on the diameter of the radial spacing becomes first pitch, expressed in t. ( 6) A reasonable number of turns n: spring to maintain the same number of the pitch circle. ( 7) Support laps n2: so that the spring in work supporting symmetry, ensure that the center line of the vertical inner hole, manufacturing, often will on both sides of the spring and tight. And tight turns only support effect, called the support ring. Generally speaking, there are 1. 5 t、2 t 2。 5 t, common is 2 t. ( 8) The total number of ring n1: reasonable laps and with the support ring. The n1 = n + n2. ( 9) Optional high H0: spring ratio under by external forces. The type is calculated by: H0 = nt + ( n2- 0. 5) d = nt + 1。 5d( (n = 2) ( 10) Coil spring for length L: coil spring to the length of the wire. L≈n1( ЛD2) 2+n2( Compression spring) L = Л D2n plus hook length ( Stretched spring) ( 11) Spiral bearing: has the branch of spin up and down, common right, engineering drawings didn't indicate the general with the right hand. ( 12) In the spring to rotate than: diameter D and wire diameter D ratio
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