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Home / News / Industy News / The working principle of CNC coiling machine

The working principle of CNC coiling machine

The working principle of the CNC spring coiling machine is to use one or several pairs of rollers to compress and rotate the steel wire, push the steel wire forward, and rely on the upper and lower ring diameter rods to limit and guide the steel wire to form the steel wire. The steel wire continuously moves forward in the respective chutes of the upper and lower ring diameter rods. By controlling the position of the upper and lower ring diameter rods, the size of the spring ring diameter can be controlled.
The pitch rod is the vertical motion of the paper, and its function is to make the coiled steel wire form a thread rising angle; by controlling and adjusting the position of the pitch rod, the size of the spring pitch can be controlled. After winding is complete, the wire is cut by the cutter; the mandrel acts as a support while the cutter cuts the wire.
The spring machine can wind cylindrical compression springs of various shapes such as variable diameter and variable pitch through the joint movement of wire feed rollers, upper and lower diameter rods, pitch rods, and cutters. For mechanical spring coiling machines, since there is only one power mechanism, each action lever is completely linked by gears, cams, and clutches. The structure is more complicated and the adjustment is time-consuming. Whenever a spring is replaced, the shape of the cam often needs to be trimmed, which requires a high level of skill for the operator, especially since the adjustment range of the wire feed length depends on the size of the sector gear, which limits the free extension of the spring.
The working principle of CNC coiling machine

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