Preparation process of high-binding-force porous laser welding sheet

A preparation process and laser welding technology, which is applied in the field of preparation process of porous laser welding sheets, can solve problems such as difficult to maintain safety and stability, and achieve the effects of improving cutting efficiency, high blade height, and high bonding strength

Inactive Publication Date: 2020-04-14
江苏华昌工具制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary saw blades are difficult to maintain safe stability because there is no tooth protection or only a small amount of hard alloy protection matrix, and the infrastructure construction is inseparable from laser welding blades. With the improvement of labor cost, high-efficiency and energy-saving tools are bound to be favored by users

Method used

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  • Preparation process of high-binding-force porous laser welding sheet
  • Preparation process of high-binding-force porous laser welding sheet
  • Preparation process of high-binding-force porous laser welding sheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment is the preparation of porous laser welding sheet for mouthguard, the process is as follows:

[0040] 1. The base material is 30CrMo; the raw material composition of the cutter head is as follows (parts by weight):

[0041] 24 parts of copper, 31 parts of iron, 7.5 parts of nickel, 12 parts of cobalt, 6 parts of tin, 19.5 parts of rare earth alloy, 0.14 parts of liquid paraffin, and 1.6 parts of diamond.

[0042] The diamond particle size is 40 / 50, and the compressive strength is 25-40kg; the rare earth alloy is a La-Ni alloy, and the La in the La-Ni alloy is 15.5wt.%, and the balance is Ni.

[0043] 2. Substrate processing:

[0044] The steel plate is heat treated. The heat treatment process is: oil quenching at 870 degrees for 12 minutes, and then tempering at 460 degrees for 4 hours; the steel plate after heat treatment is processed into the shape of the matrix;

[0045] 3. Preparation of diamond cutter head:

[0046]The raw materials of the diamond...

Embodiment 2

[0053] This embodiment is the preparation of porous laser welding sheet for mouthguard, the process is as follows:

[0054] 1. The base material is 30CrMo; the raw material composition of the cutter head is as follows (parts by weight):

[0055] 25.5 parts of copper, 34 parts of iron, 8 parts of nickel, 12 parts of cobalt, 4.5 parts of tin, 20 parts of rare earth alloys, 0.12 parts of liquid paraffin, and 1.5 parts of diamond.

[0056] The diamond particle size is 40 / 50, and the compressive strength is 25-40kg; the rare earth alloy is a La-Ni alloy, and the La in the La-Ni alloy is 15.5wt.%, and the balance is Ni.

[0057] 2. Substrate processing:

[0058] The steel plate is heat treated. The heat treatment process is: oil quenching at 875 degrees for 10 minutes, and then tempering at 450 degrees for 4 hours; the steel plate after heat treatment is processed into the shape of the matrix;

[0059] 3. Preparation of diamond cutter head:

[0060] The raw materials of the diamo...

Embodiment 3

[0067] This embodiment is the preparation of porous laser welding sheet for mouthguard, the process is as follows:

[0068] 1. The base material is 30CrMo; the raw material composition of the cutter head is as follows (parts by weight):

[0069] 25 parts of copper, 36 parts of iron, 6.5 parts of nickel, 12 parts of cobalt, 4.5 parts of tin, 15 parts of rare earth alloys, 0.14 parts of liquid paraffin, and 1.5 parts of diamond.

[0070] The diamond particle size is 40 / 50, and the compressive strength is 25-40kg; the rare earth alloy is a La-Ni alloy, and the La in the La-Ni alloy is 15.5wt.%, and the balance is Ni.

[0071] 2. Substrate processing:

[0072] The steel plate is heat treated. The heat treatment process is: oil quenching at 875 degrees for 12 minutes, and then tempering at 480 degrees for 4 hours; the steel plate after heat treatment is processed into the shape of the matrix;

[0073] 3. Preparation of diamond cutter head:

[0074] The raw materials of the diamo...

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Abstract

The invention discloses a preparation process of a high-binding-force porous laser welding sheet, and belongs to the technical field of efficient energy-saving tools. The laser welding sheet comprisesa base body, a chip removal groove, a chip removal cooling hole and a diamond tool bit, the tool bit and the base body are connected into a whole through laser welding, and according to the welding parameters, a CO2 laser device is adopted, the diameter of a laser spot is 0.4 mm, the laser power is 800 W-820 W, and the welding speed is 15 mm / s-20 mm / s; and protective gas is argon, the flow of theprotective gas is 0.5 L / min, the defocusing amount is 0.85 mm-1.0 mm, the laser beam offset is 0.1 mm-0.3 mm, and the laser incident angle is 5 degrees-10 degrees. By optimizing the composition of the tool bit and the structure of the laser welding sheet and adopting the laser welding process, the prepared laser welding sheet can meet the use requirements of high efficiency and energy saving, andis environment-friendly and safe.

Description

technical field [0001] The invention relates to the technical field of high-efficiency and energy-saving tools, in particular to a preparation process of a high-binding porous laser welding sheet, which is mainly used for the construction of expressways and the cutting and maintenance of engineering bridges, wall demolition and construction, and old concrete Road renovation, etc. Background technique [0002] In the rapidly developing market environment, safety and efficiency are essential requirements for laser welding sheets, especially when used in harsh environments, the safety of laser welding sheets is a constant theme. Ordinary saw blades are difficult to maintain safe stability because there is no tooth protection or only a small amount of hard alloy protection matrix, and the infrastructure construction is inseparable from laser welding blades. With the improvement of labor costs, high-efficiency and energy-saving tools are bound to be favored by users. Contents ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/28
CPCB23P15/28
Inventor 蒋武峰徐国栋
Owner 江苏华昌工具制造有限公司
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