Changzhou Liyu spring Co., Ltd

sheath spring·CUSTOMIZATION

To customize the sheath spring, you need to provide the following necessary parameter information:
Wire diameter d: mm (Note: the diameter of the spring wire)
Outer diameter D2: mm (Note: the diameter of the outer circle of the spring)
Pitch t: mm (Spacing between two adjacent circles)
Number of circles Na: circle (Note: the total number of turns of the spring)
To customize the sheath spring, you also need to provide the following technical requirements:
turn around: (Description: left-handed\right-handed)
Material requirements: (Such as: stainless steel wire SUS, carbon steel wire SWC, piano wire SWP, copper wire... etc.)
Surface treatment: (Description: blackening\galvanizing\nickel plating\chrome plating\baking paint\powder spraying\electrophoresis\shot peening\dacromet\electrolytic polishing...etc.)
End form: (Explanation: Tighten\Grind\Tightly polish)
Strength requirements: (Note: Elastic performance, other technical requirements, etc.)

Surface treatment

  • Blackening
  • Zinc plating
  • Nickel plating
  • Shot Peening
  • Polishing
  • Dacromet
  • Apply anti-rust oil
  • Electrolytic polishing
  • Teflon spray
  • Materials

  • Carbon spring steel wire SWC
  • Nickel-plated wire, galvanized wire
  • Piano wire SWPB
  • Copper wire, phosphor copper wire, beryllium copper wire
  • Stainless steel wire SUS301, SUS302, SUS304, SUS316, SUS631
  • Square wire, flat wire, semicircular wire
  • 65Mn
  • Alloy material wire
  • 82B
  • Other special specifications steel wire
  • 55CrSi (SWOSC-V)
  • sheath spring

  • Phone :86-519-82329557 / 82338435 Telephone :?13235185183(QQ\Wechat) 13901490575(Wechat) Email :? Skype:? Address :?No.6 Houguan Road, Jincheng Town Industrial Park, Jintan District, Changzhou City