Unlock instant, AI-driven research and patent intelligence for your innovation.

A laser-assisted machining method for hard and brittle materials by laser-modified ultra-precision cutting

A laser-assisted, hard and brittle material technology, applied in the field of mechanical processing, can solve the problem that the geometric position relationship between the tool and the laser focus cannot be kept constant, and achieve the effect of convenient focusing and improved absorption rate

Active Publication Date: 2021-07-02
HARBIN INST OF TECH
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the current laser-assisted turning can only be applied to cylindrical surface turning, and the laser focus and the cutting area are placed in the same circumferential surface, the geometric position relationship between the tool and the laser focus cannot be kept constant, and further proposes a Laser-assisted machining of hard and brittle materials by laser-modified ultra-precision cutting

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A laser-assisted machining method for hard and brittle materials by laser-modified ultra-precision cutting
  • A laser-assisted machining method for hard and brittle materials by laser-modified ultra-precision cutting
  • A laser-assisted machining method for hard and brittle materials by laser-modified ultra-precision cutting

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0047] Specific implementation mode one: combine Figure 1 to Figure 6 To illustrate this embodiment, the specific steps of a method for laser-assisted processing of hard and brittle materials by laser modified ultra-precision cutting described in this embodiment are as follows:

[0048] Step 1. Build a laser-assisted cutting platform;

[0049] Step 2. Focus the continuous laser beam generated by the laser output head on the surface of the workpiece;

[0050] Step 3, using the tool 2 to cut the modified workpiece surface.

specific Embodiment approach 2

[0051] Specific implementation mode two: combination Figure 1 to Figure 6 Describe this embodiment, the laser-assisted cutting platform in step 1 of the laser-assisted processing hard and brittle material method described in this embodiment includes a five-axis manual displacement platform 3 and a laser processing module 4, the laser processing module 4 installed on the five-axis manual displacement platform 3;

[0052] The steps to build a laser-assisted cutting platform are:

[0053] Step A, installing the laser processing module 4 on the five-axis displacement platform 3;

[0054] Step B, installing the five-axis displacement platform 3 on the ultra-precision machine tool 1;

[0055] Step C, installing the tool 2 on the ultra-precision machine tool 1 .

specific Embodiment approach 3

[0056] Specific implementation mode three: combination Figure 1 to Figure 6 Describe this embodiment, the five-axis manual displacement platform 3 of the laser-assisted processing hard and brittle material method described in this embodiment includes a vertical Y direction manual displacement platform 16, a connecting rib 17, a rotating R Direction manual displacement platform 18, linear Z direction manual displacement platform 19, linear X direction manual displacement platform 20 and linear W direction manual displacement platform 21; laser processing module 4 is installed on the linear W direction manual displacement platform 21, linear W direction manual displacement platform The platform 21 is installed on the manual displacement platform 16 in the vertical Y direction. The manual displacement platform 16 in the vertical Y direction is connected with the manual displacement platform 18 in the R direction through the connecting rib 17. The manual displacement platform 18 i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a laser-assisted processing method of hard and brittle materials by laser modified ultra-precision cutting, which relates to a method of laser-assisted processing of hard and brittle materials, in particular to a laser-assisted processing method of laser modified ultra-precision cutting of hard and brittle materials. The present invention solves the problem that the current laser-assisted turning can only be applied to cylindrical surface turning, and the laser focus and the cutting area are placed in the same circumferential surface, which makes the geometric position relationship between the tool and the laser focus unable to keep constant. The steps of the present invention are step 1, building a laser-assisted cutting platform; step 2, focusing the continuous laser beam generated by the laser output head on the workpiece surface; and step 3, cutting the modified workpiece surface by using a tool. The invention belongs to the field of mechanical processing.

Description

technical field [0001] The invention relates to a method for laser-assisted processing of hard and brittle materials, in particular to a laser-assisted processing method for laser-modified ultra-precision cutting of hard and brittle materials, which belongs to the field of mechanical processing. Background technique [0002] Hard and brittle materials such as cemented carbide, ceramics, and glass have important application value and broad application prospects in the fields of aviation, optoelectronics, and medical treatment. The key components made of these materials are compared with Compared with traditional parts, the service life and ability to resist extreme conditions are greatly improved. However, these materials generally have greater processing difficulties, such as higher hardness, lower fracture toughness, etc., which will cause greater wear and tear on the tool during processing, which has brought greater challenges to traditional machining methods. difficulty....

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/352B23K26/064B23K26/70B23P15/00B28D1/16B28D7/00
CPCB23K26/0093B28D1/16B28D7/00B23K26/064B23K26/352B23K26/702B23K2103/52B23K2103/54
Inventor 石卓奇赵清亮郭兵计天宇靳田野
Owner HARBIN INST OF TECH