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Thread cutting method using lathe and numerical controller

  • US 6,155,148 A
  • Filed: 07/20/1998
  • Issued: 12/05/2000
  • Est. Priority Date: 12/10/1996
  • Status: Expired due to Fees
First Claim
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1. A thread cutting method using a lathe which performs thread cutting by revolving a work mounted on a spindle of the lathe, then cutting the work by putting a tool into contact with the work from a direction orthogonal to the spindle, and moving the tool relatively to the work in a work axial direction in synchronization with the revolution of the spindle, comprising:

  • specifying various data used to perform thread cutting;

    storing a machining program having a threading cycle which regulates a basic spiral operation of the tool, according to the specified various data; and

    controlling the tool to perform a thread cutting operation by executing said machining program to control the basic spiral operation of the tool operation while controlling a depth of cut for said thread cutting operation by moving the tool manually.

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