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Circular saw blade with water-drop-shaped inclined hole structure and machining method

A processing method and a drop-shaped technology, applied in metal processing equipment, stone processing tools, stone processing equipment, etc., can solve the problems of reducing the overall strength and wear resistance of the base material, reducing the production efficiency, and increasing the cutting temperature. The effect of improving heat dissipation, reducing friction area, and reducing influence

Pending Publication Date: 2022-06-28
CHINA THREE GORGES UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the use of large-size diamond saw blades, as the cutting time increases and the cutting depth increases, the contact area between the saw blade and the stone becomes larger and larger, which will cause a sharp rise in cutting temperature, and the accumulation of heat will affect the life of the saw blade. The main reasons: first, the overheating of the saw blade will change the metallographic structure of the saw blade base material, reduce the overall strength and wear resistance of the base material, and cause the saw blade base to deform during continuous cutting; second, the saw blade is used In the process, excessiv

Method used

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  • Circular saw blade with water-drop-shaped inclined hole structure and machining method
  • Circular saw blade with water-drop-shaped inclined hole structure and machining method
  • Circular saw blade with water-drop-shaped inclined hole structure and machining method

Examples

Experimental program
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Effect test

Example Embodiment

[0039] Example 1:

[0040] see Figure 1-6 , a circular saw blade with a drop-shaped oblique hole structure, which includes a saw blade base 1, the center of which is provided with a mounting hole 7; the outer circumference of the saw blade base 1 is processed with evenly distributed saw teeth 4; Chip flutes 3 are formed between adjacent saw teeth 4; blades 2 are arranged on the edge of the saw teeth 4; evenly distributed heat dissipation holes 5 are arranged on the saw blade base 1 and near the chip flutes 3, and the saw blade base 1 is near the installation holes There are evenly distributed heat dissipation grooves 6 near the 7; the inner walls of the heat dissipation holes 5 are all in the form of water droplets with transitional arc inner walls. In the present invention, the above-mentioned circular saw blade can be effectively applied to high-strength rock cutting, the saw blade has good heat dissipation and chip removal effects, high cutting efficiency, simple saw blad...

Example Embodiment

[0050] Example 2:

[0051] The processing method of the circular saw blade with drop-shaped oblique hole structure comprises the following steps:

[0052] Step 1: Select the circular plate of the saw blade base for use;

[0053] Step 2: Put the circular plate blank of the saw blade base on the high-power water jet cutting equipment and fix it;

[0054] Step 3: Start the waterjet cutting equipment, first cut the installation hole 7, then cut the heat dissipation groove 6, and then process the chip removal groove 3 on the edge of the saw blade base; finally, when cutting the heat dissipation hole 5, it is necessary to continuously adjust the water jet The angle between the spray head 8 and the saw surface 9 ensures that the inner wall of the processed cooling hole 5 is an inclined inner wall;

[0055] Step 4: Derusting and smoothing the two surfaces of the saw blade substrate processed by the waterjet;

[0056] Step 5: Connect the diamond blade 2 and the sawtooth 4 by brazing...

Example Embodiment

[0061] Example 3:

[0062] In this embodiment, in order to ensure that the cooling hole 5 has the best performance and prevent problems such as stress concentration, the values ​​of the four internal arcs are: R1: 25mm, R2: 10mm, R3: 70mm, R4 is: 75mm.

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Abstract

The invention provides a circular saw blade of a drop-shaped inclined hole structure and a machining method. The circular saw blade comprises a saw blade base body, and a mounting hole is formed in the center of the saw blade base body; sawteeth which are evenly distributed are machined on the outer circumference of the saw blade base body. A chip groove is formed between every two adjacent sawteeth; blades are arranged on the edges of the sawteeth; uniformly-distributed heat dissipation holes are formed in the saw blade base body and are close to the chip grooves; uniformly-distributed heat dissipation grooves are formed in the saw blade base body and are close to the mounting holes; the inner walls of the heat dissipation holes are in a water drop shape by adopting transitional arc inner walls. According to the circular saw blade, the circular saw blade can be effectively suitable for high-strength rock cutting, the heat dissipation and chip removal effects of the saw blade are good, the cutting efficiency is high, the saw blade is easy to machine, the working efficiency is improved, and the production cost is reduced.

Description

technical field [0001] The invention relates to the field of diamond saw blades, in particular to a circular saw blade with a drop-shaped oblique hole structure and a processing method thereof. Background technique [0002] With the rapid development of social economy, the demand for stone materials in the construction industry is increasing, and higher requirements are put forward for the efficiency and cost of stone mining. Diamond saw blades are the most commonly used cutting tools in stone mining, and their scrap volume is far Much larger than other types of knives. During the use of large-size diamond saw blades, as the cutting time increases and the cutting depth increases, the contact area between the saw blade and the stone becomes larger and larger, which will cause a sharp rise in cutting temperature, and the accumulation of heat will affect the life of the saw blade. The main reasons: first, the overheating of the saw blade will change the metallographic structur...

Claims

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Application Information

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IPC IPC(8): B28D1/12B23D65/00
CPCB28D1/121B23D65/00
Inventor 李响潘志宇刘文俊曹祥斌段宇蔡明杰
Owner CHINA THREE GORGES UNIV
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