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Single point diamond lathe and method for machining special-shape workpiece

A single-point diamond and special-shaped workpiece technology, which is applied in the processing field of single-point diamond lathes and special-shaped workpieces

Active Publication Date: 2012-11-14
SHANGHAI MODERN ADVANCED ULTRA PRECISION MFG CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the main cutting motion is the rotation of the machine tool spindle, the workpieces processed are mostly rotary, semi-rotary and flat workpieces, which have certain limitations. Surface workpieces are difficult to routinely machine

Method used

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  • Single point diamond lathe and method for machining special-shape workpiece
  • Single point diamond lathe and method for machining special-shape workpiece
  • Single point diamond lathe and method for machining special-shape workpiece

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.

[0025] Please see first figure 1 , figure 1 It is a schematic diagram of the structure of the single-point diamond numerical control lathe of the present invention. As shown in the figure, a single-point diamond lathe includes the workpiece axial displacement guide rail axis Z axis, lateral displacement guide rail axis X axis and single crystal diamond tool 1 of the conventional numerical control lathe. , add a spindle rotation indexing axis C axis on the radial displacement guide rail shaft, install an adjustable three-dimensional tool rest 2 on the workpiece axial displacement guide rail shaft, and the single crystal diamond tool It is fixed on the three-dimensional tool rest, the workpiece 3 to be processed is fixed on the spindle indexing axis, the Z-direction displace...

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Abstract

The invention provides a single point diamond lathe which comprises a workpiece axial displacement guide rail shaft (Z-axis) and a transversal displacement guide rail shaft (X-axis) of a normal numerically-controlled lathe and a single crystal diamond cutter, wherein a main shaft rotary indexing shaft (C-axis) is additively arranged on a radial displacement guide rail shaft; an angle-adjustable three-dimensional knife rest is arranged on the workpiece axial displacement guide rail shaft; the single crystal diamond cutter is fixed on the three-dimensional knife rest; a workpiece to be machined is fixed on the main shaft rotary indexing shaft; and the Z-direction displacement of the workpiece to be machined is adjusted by the workpiece axial displacement guide rail shaft. The invention further provides a method for controlling the X-direction displacement of the workpiece to be machined by the transversal displacement guide rail shaft and machining the special-shape workpiece. The invention compiles 2-3 shaft linkage by the C-axis indexing function of a single crystal diamond main shaft to be capable of realizing the planing contour machining on the cylindrical surface and the spherical surface, and has the characteristic that the special-shape workpiece is precisely machined.

Description

technical field [0001] The invention relates to ultra-precision machining, in particular to a single-point diamond lathe and a machining method for special-shaped workpieces. Background technique [0002] Single point diamond turning (SINGLE POINT DIAMOND TURNING, referred to as SPDT) is a turning process that utilizes the high hardness, high wear resistance and high PV accuracy of the tool shape in combination with the high displacement accuracy of the machine tool body to process dimensional accuracy, surface Workpieces with high precision and surface roughness requirements (mainly optical parts). Since the main cutting motion is the rotation of the machine tool spindle, the workpieces processed are mostly rotary, semi-rotary and flat workpieces, which have certain limitations. Surface workpieces are difficult to routinely machine. Contents of the invention [0003] The object of the present invention is to overcome above-mentioned deficiencies in the prior art, provid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B7/14B23B1/00
Inventor 姚庠顾亚平
Owner SHANGHAI MODERN ADVANCED ULTRA PRECISION MFG CENT
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