ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS B 2704-1:2018
Coil springs - Part 1 : Basic calculation methods
2018
30
JISm 2022 Std.
This Standard specifies the requirements for basic calculation methods for helical compression springs, helical extension springs and helical torsion springs, which are for general use and made from metallic materials with circular cross-section.