GB/T 2088-2009Cylindrical coiled tension spring dimensions and parameters (English PDF)

1 Scope

This standard specifies the general helical tension spring structure type most commonly used in LI (Half ring type), LIII (round shackle twisted Center

Type) and LVI (pressure center circle hook and loop type) dimensions and parameters.

This standard applies to static load and number of cycles by the dynamic load N<=105, there are initial tension of circular cross-section helical tension spring (in

Hereinafter referred to as spring), spring material having a diameter of 0.5mm ~ 8.0mm.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent

Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research

Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB/T 1239.1 Cold coiled helical springs - Technical specifications - Part 1. Tension springs

GB/T 1805 spring term

GB/T 4357-1989 carbon spring steel wire

GB/T 23935 cylindrical coil spring design calculation

3 Terms and Code

Terminology and symbols used in this standard shall comply with GB/T 1805 and Table 1.

Table 1

Parameter Name Code Unit

Spring diameter D mm

D1 mm inner diameter of the spring

Spring diameter D2 mm

Effective number of turns like loop

Free length H0 mm

Effective loop length HLb mm

Spring rate F 'N/mm

Convolution than C

Test load Fs N

Test shear stress taus MPa […]