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- This problen can be due to:
1.- Misadjusments on the tools of the spring making machine
2.- Variations on lubricant content on the wire causeing different slips on the guiding tool of the spring making machine .
3.- Variation on types of lubricant used wich causes to adjust the machine different for each type of lubricant.
4.- Variationos on tensile of feeding wire
1.-Consistency on type and content of lubricant used on the wire
2.-Consistency on wires tensile
3.-Proper and continus adjustment on tools of the spring making machine
- The undersize might be due to deposits on finishing dies , deposits can be due to lubricant geting harder inside the dies instead of flowing or if wire is galvanized , it can be zinc been deposited inside the dies.
Check on type of lubricant being used, die profile(very important) and if it is galvanized wire, on zinc adherence.