| 摘要 |
Disclosed is a hole machining method with variable escape. The method comprises a central processing unit(1), ROM(2), RAM(3), program logic controller(4), and input device(7). The process comprises an establishing process of the norm number of time of escape, an escaping process with a certain quantity of escape after cutting, a returning process to the start position if the number of escape exceeds the norm, and a process for repeating the escape process and the returning process. After confirming the application of the variable escape cycle, it drills the hole to the desired depth; compares the actual depth with the desired depth; returns to the 2nd cycle after escaping the predetermined quantity if the number of escape does not exceed the norm; or returns to the starting position to accomplish the 2nd cycle if the number of escape exceeds the norm.
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