Spring is to use the ductility of raw materials and structural features, according to the deformation and the stored kinetic energy of a kind of mechanical device * (
Department)
Parts, can be used to avoid vibration and clamping, load, etc.
Spring main use common among various components, * industry standard requirements in the spring of the specifications of the standard parts models.
In industry design work, should as far as possible choose from standard parts, unique conditions can design non-standard spring.
The following spring manufacturer detailed introduction of classification, main parameters and drawings of spring and identification.
1
spring of classified spring floor plan can be divided into the spiral spring, plate spring, vortex coil spring and saucer spring, etc.
Among them, the cylinder spiral spring structure simple, manufacture is convenient, the main use * wide, divided into
compression spring, spring and distorted spring three rashin.
In this paper, the key to the cylinder spiral spring as an example in detail.
Two main parameters of cylindrical spiral compression spring (
1)
Cable diameter d: stainless steel wire diameter coiled spring.
(
2)
Spring D1, D2 diameter and nominal diameter vertical diameter D: spring inner ring diameter is called nominal diameter, outside diameter of spring called diameter, spring nominal diameter and the diameter of the average call pitch diameter,
D = (
D1+ D2)
/ 2.
(
3)
Spring Festival size
t: besides the bearing ring on both sides of the adjacent laps axis of cross section of the radial spacing.
(
4)
Bearing ring number nZ, reasonable circle number n and the total number of ring n1: to make spring support well-balanced, on both sides and tight and grinding.
Circle only and close to the supporting effect and precise positioning, called bearing ring.
Spring support circle one.
5, 2 times and 2.
5 circle three, generally is 2.
Five laps.
In addition to supporting ring, other each circle all sign up for the bearing deformation, and maintain the same pitch diameter, called a reasonable number of turns, a reasonable number of turns n
= total number of ring n1 -
Bearing ring for nz;
(
5)
Optional highly H0: the height of the spring without load effect when;
(
6)
The spring wire length L: to coiled spring stainless steel wire length.
Three cylindrical spiral compression spring marks cylindrical spiral compression spring form requires the following: the name of the cylindrical spiral compression spring Numbers for Y, spring on the end circle way into B (
Both sides circle and tight grinding to)
And type A (
Both sides circle flat and tight forging)
Two.
Cylindrical spiral compression spring identification instance: YA spring, cable diameter Φ 30 mm, spring Φ 150 mm in diameter, height 300 mm at random, manufacturing precision for level 3, for 60 si2mna raw materials, surface paint to solve the spring (
is left-handed or right-handed, when regulation rotate to, need to note the LH or RH)
。
Are identified as: YB 30 x 150 x 300 GB/T
- 2089
2003 yb type spring, cable diameter Φ 1.
2 mm, spring Φ 8 mm in diameter, height at random 40 mm, manufacturing precision for level 2, raw materials for class B carbon spring steel wire, spring surface hot galvanizing solution.
Are identified as: YA
1.
2×8×40-
2 GB / T 2089 -
2003 B 4 cylinder spiral compression spring for the spring in the assembly drawing (5
1)
* thing is blocked by the spring of the contour is generally not a picture, is not part of the blocking on the spring outside the center line of the place or spring in diameter.
(
2)
When the cable diameter ф 2 mm or less on the diagram, stainless steel wire can be black model area.
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