Shielded spring wire is a device connection wire that works by utilizing stretchability. It is usually made by winding TPU cables. The electrical connection used to control the movement of mobile devices, which can quickly rebound in a short period of time, is widely used in mobile devices such as cars, machines, and instruments. Divided by direction, there are mainly left direction coil springs and right direction coil springs. Divided by material: mainly PVC shielded spring wire, PUR shielded spring wire, and rubber shielded spring wire; PUR shielded spring wire is becoming increasingly widely used as the preferred material for shielded spring wire due to its flame retardant, oil resistant, acid and alkali resistant, low temperature resistant, UV resistant, wear-resistant, and hydrolysis resistant properties.
Its main applications include:
1.PUR/PVC sheathed shielded spring wire for control systems: applied to CNC machine tools, production lines, logistics systems, robots, etc;
2.PUR/PVC sheathed shielded spring wire for power systems: used in processing equipment, cranes, production lines, etc;
3.PUR/PVC sheathed shielded spring wire for data/bus transmission: applied to CNC machine tools, production lines, logistics systems, robots, etc.
Name and size relationship of each part of the shielded spring wire:
1.Spring wire diameter d: the diameter of the cable used to manufacture shielded spring wire;
2.Outer diameter of shielded spring wire D: maximum outer diameter of shielded spring wire;
3.Inner diameter D1 of shielded spring wire: the minimum outer diameter of shielded spring wire;
4.Shielding spring wire length L: the static length of the shielding spring wire under no external force;
5.Working length L0 of shielded spring wire: dynamic length of shielded spring wire under external force sitting down;
6.Shielding spring wire deployment length A: the total length of the straight line required to wrap the shielding spring wire;
7.The tail length of the shielded spring wire is represented by L1 and L2 at both ends respectively;
8.Spiral direction: There are left and right rotations, and right-handed rotation is commonly used. If not indicated on the drawing, right-handed rotation is generally used.
Comparison between matte shielded spring wire and smooth shielded spring wire:
Mist shielded spring wire, smooth shielded spring wire, under normal circumstances, fog shielded spring wire is easier to form than smooth shielded spring wire. And during the heat treatment process, the matte shielded spring wire will not turn yellow, so the matte shielded spring wire is more expensive than the glossy shielded spring wire!
