Precise combined-machining equipment for complicated profiles made of hard and brittle materials

A complex profile, composite processing technology, applied in metal processing equipment, metal processing, metal processing mechanical parts, etc., can solve the problems of limited processing capacity, low processing efficiency, single processing method, etc., to eliminate processing errors, reduce The effect of machining cost, improving machining accuracy and machining efficiency

Inactive Publication Date: 2011-05-25
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional processing of hard and brittle materials is restricted by processing conditions, processing methods and other factors, and the processed products cannot meet the required precision and other conditions. At the same time, due to the single processing method, most of the complex processing requires multiple processes and multiple types of operations. It makes the processing efficiency low and it is difficult to meet the large demand of industrial development
In view of the current processing of hard and brittle materials, which is restricted by factors such as single processing method and limited processing capacity, the processed products cannot meet the required shape and precision, and at the same time, the efficiency is relatively low, and the cost is high. The new hard and brittle material processing technology Design of research and processing equipment is imperative

Method used

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  • Precise combined-machining equipment for complicated profiles made of hard and brittle materials
  • Precise combined-machining equipment for complicated profiles made of hard and brittle materials
  • Precise combined-machining equipment for complicated profiles made of hard and brittle materials

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Experimental program
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Effect test

Embodiment 1

[0024] Adopt processing equipment of the present invention to carry out such as Figure 4 The ultra-precision machining of the workpiece shown in (a), the workpiece material is glass ceramics, the specific processing process is as follows:

[0025](1) Since the workpiece material is glass-ceramic, the compound processing method of ultrasonic-assisted grinding is used for processing this material. Using industrial computer programming to control the processing process;

[0026] (2) First, rough machining the workpiece, select an electroformed diamond grinding head with a grain size of W120, and fix it on the front end of the spindle of the machine tool (such as image 3 shown).

[0027] (3) Fix the unprocessed workpiece blank on figure 1 On the precision air flotation workbench shown (such as figure 1 shown).

[0028] (4) The processing parameters are set as: spindle speed 3000rpm, knife penetration 0.1mm, ultrasonic vibration frequency 25kHZ, cooling method water cooling,...

Embodiment 2

[0033] Carry out such as by processing equipment and processing method of the present invention Figure 4 The ultra-precision machining of the workpiece shown in (b), the workpiece material is hard alloy, the specific processing process is as follows:

[0034] (1) Since the workpiece material is cemented carbide, the composite processing method of ultrasonic-electric discharge-milling-grinding is used for processing this material. Using industrial computer programming to control the processing process;

[0035] (2) Fix the unprocessed workpiece blank on figure 1 On the precision air flotation workbench shown (such as figure 1 shown).

[0036] (3) Firstly, the workpiece is roughly machined, and the brass electrode is fixed on the tool handle at the front end of the spindle, and the electrode (+) and workpiece (-) are respectively connected to an external power supply (such as image 3 shown).

[0037] (4) The processing parameters are set as: EDM voltage 150V, pulse width / ...

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PUM

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Abstract

The invention discloses precise combined-machining equipment for complicated profiles made of hard and brittle materials. The equipment comprises a machine tool body which is provided with an X-Y-Z three-linkage workbench and an air float workbench bracket, wherein the moving output end of the three-linkage workbench is provided with a spindle which, driven by the X-Y-Z three-linkage workbench, can linearly move in the X, Y and Z directions; one end of the spindle is connected with an output shaft of a spindle rotating motor and the other end of the spindle is connected with a cutter handle through an interface; an ultrasonic transducer is mounted inside the cutter handle and is connected with a variable-amplitude rod; the air float workbench bracket is rotatably connected with an A-axis rotary workbench; the A-axis rotary workbench is provided with a C axis; the C axis is provided with an air float workbench; and the air float workbench can be arranged opposite to a machining tool. By adopting the equipment, integrated machining of various machining processes can be realized, and rough-semifinishing-finish multi-process machining can be implemented immediately after the workpieceis clamped once.

Description

technical field [0001] The invention relates to a composite processing equipment, in particular to a precision composite processing equipment for complex profiles of hard and brittle materials. Background technique [0002] With the development of modern industry, hard and brittle materials (such as infrared optical crystals, engineering ceramics, quartz, silicon crystals, etc.) have shown broad application prospects in the fields of aerospace, automobiles, medical care, precision molds, optics, and semiconductors. However, due to the high hardness, high brittleness and poor processing performance of hard and brittle materials, it is difficult to process complex curved surfaces by ordinary processing methods, thus restricting the popularization and application of these materials. In order to meet the increasing demand for hard and brittle material products from the development of science and technology, the research and development of hard and brittle material composite proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q37/00B23Q5/02
Inventor 房丰洲仇中军
Owner TIANJIN UNIV
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