Common problems and solutions in spring rolling operation of camless spring machines.

During the spring winding operation of a camless spring machine, various uncertain factors such as machine reasons, improper operation, material issues, mold reasons, and human factors may lead to unstable spring winding. The unstable output of the spring during the spring rolling operation of the spring machine will greatly reduce the qualification rate of the product, not only causing serious waste of resources, but also affecting production progress and efficiency, and also bringing certain economic losses to ourselves. So, what common problems will be encountered during the coil spring production of a camless spring machine? How should we solve it?

1. The tension of the wire feeding is unstable. The unstable tension of the wire feeding can affect the stability of the wire feeding during spring machine operation. For example: ① The wire feeding rack is not synchronized with the wire feeding speed or the braking device is malfunctioning; ② The straightening roller (Peilin) is not properly adjusted or worn; ③ Poor roundness or wear of the wire feeding roller. Solution: Check the tension mechanism or brake mechanism of the wire feeding frame and restore it to normal; Adjust or replace the straightening roller; Replace the wire feeding roller.

2. There are scratches on the surface of the spring. During the operation of the spring machine, there was a phenomenon of wire scraping, which resulted in scratches on the surface of the winding spring. For example: ① quality (defect) issues of the material itself; ② The surface of the straightening roller, wire feeding roller, or wire board is peeled off or stained with hard objects; ③ The auxiliary spindle has broken edges; ④ There are scars on the surface of the top rod. Solution: Replace materials or remove defective materials; Maintain the cleanliness or grinding treatment of the surface of the straightening roller, wire feeding roller, or wire board; Replace or repair the core rod; Replace or repair the top rod.

3. The diameter of the spring is unstable. For example: ① there is internal stress and uneven strength in the material; ② The material is not straightened out, and the material is under pressure during the wire delivery process; ③ The tension of the wire delivery is unstable, etc. Solution: Check and replace the spring material; Reorganize and straighten the wire, or adjust the wire back and try again, or add a wire reel to adjust the wire direction; Check and adjust the tension of the wire feed frame. If you want to understand the impact of the quality of spring material on the operation of the spring machine, please click on [Article]. The quality of spring wire determines the stability of the spring machine operation.

4. The pitch is unstable and the free length varies greatly. For example: ① there is internal stress and uneven strength in the material; ② Setting of pitch push rod motion (inadequate setting of pitch cam shape, origin, and parameters); ③ The pitch rod is not fixed properly, etc. Solution: Check and replace the wire; Reset the origin and check the position of the pitch push rod; Check if the pitch push rod movement setting is loose and locked.

5. The total number of coils of the spring is unstable. For example, ① the material itself has poor quality, such as uneven surfaces; ② The wire feeding accuracy error of the spring machine is large; ③ The instability of the outer diameter of the spring caused by large clearance between tool holders or poor mold technology (such as "curve gauges"). Solution: Check the materials and replace them with high-quality wires; Check the technical parameters and performance of the spring machine itself, test the accuracy error of wire feeding, and check if there is any slipping of the roller; Check for any gaps in the tool holder, repair or replace the mold.