A Variable Feed Cutting Method for Annular Groove Machining

A cutting method and a technology of annular grooves, which are applied in the field of mechanical processing, can solve the problems of poor chip breaking effect, etc., and achieve the effects of improving chip breaking effect, easy removal, and increasing margin control

Active Publication Date: 2021-04-23
浙江海德曼智能装备股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the above-mentioned problems in the existing technology, and propose a variable feed cutting method for annular groove processing. The present invention solves the problem of poor chip breaking effect in the existing groove processing

Method used

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  • A Variable Feed Cutting Method for Annular Groove Machining

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Experimental program
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Embodiment 1

[0023] Specifically, in this embodiment, this method is applied to a CNC lathe. The CNC lathe performs grooving on the workpiece by executing multiple variable feed cycles in the same cutting circle. Each variable feed cycle includes normal feed Quantity F1 and variable feed F2, before processing, set the diameter of the cutting circle D, set the expansion rate of the material β, set the depth of cut ap per revolution of the spindle, and set the required length of chips cut out by a variable feed cycle L, set the normal feed amount F1, and then calculate the F2=(L*ap-β*F1*лD) / (лD*β) through the formula to set, where as figure 1 As shown, F2, F1, and ap need to satisfy the following relationship: F2

[0024] Step 1, the workpiece is cut with the feed rate of F1, and the number of rotations of the spindle at this time is F1 / ap;

[0025] Step 2: After step 1 is completed, the workpiece is cut with the feed rate of F2. At thi...

Embodiment 2

[0030] The technical solution of this embodiment is basically the same as the technical solution of the first embodiment, the difference is that in this embodiment, the variable feed rate is not calculated by a formula, but an empirical value obtained by an experimental test.

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Abstract

The invention provides a variable-feed cutting method for machining annular grooves, which belongs to the field of machining. It solves the problem of poor chip breaking effect in existing grooving processing. This method is to make the automatic machine tool carry out grooving processing on the workpiece by executing multiple variable feed cycles in the same cutting circle. Each variable feed cycle includes normal feed F1 and variable feed F2. Before processing, set Set depth of cut ap, set F1 and F2, and F2

Description

technical field [0001] The invention belongs to the field of machining, and relates to a variable feed cutting method for machining annular grooves. Background technique [0002] At present, in the grooving processing of large disc-shaped and cylindrical rotary rests by CNC turning, for example, in the field of gear processing, in the grooving processing of the outer diameter annular groove of the gear protruding from the cylinder, the workpiece material is mainly stainless steel. For metal materials such as high-quality carbon steel and alloy steel, for automatic processing machine tools such as CNC machine tools, the continuous chips generated by metal materials will cause blockage during the cutting process, thereby hindering the automatic processing of the machine tool system. [0003] Specifically, in the process of turning and grooving, when the groove is wider and deeper, the cutting amount is large, and the obtained iron filings are longer without loss of efficiency,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B1/00
CPCB23B1/00B23B2220/126
Inventor 汪助高兆春刘丽
Owner 浙江海德曼智能装备股份有限公司
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