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Precision deep-hole boring cutter

A deep hole, boring tool technology, applied in boring/drilling, tool holder accessories, drilling/drilling equipment, etc. Solve the problem of cooling and chip removal, and achieve the effect of large-scale production and use, and low production and processing costs.

Inactive Publication Date: 2013-05-22
SICHUAN AEROSPACE FENGHUO SERVO CONTROL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Since the tool has no cooling system, the cutting temperature is high, the resistance is large, the bonding phenomenon with the tool is serious, and the tool bonding wear and abrasive wear are serious
[0004] 2. Due to the thinner body and longer length of the tool body, its rigidity is poor, and the vibration phenomenon is serious during processing, which leads to poor processing quality and cannot meet the needs of precision processing.
[0005] 3. The cost of tool consumption is high and the processing efficiency is too low
[0006] 4. Difficulty in chip removal and cooling

Method used

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Examples

Experimental program
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Embodiment

[0030] Such as figure 1 , 2 As shown, a precision deep-hole boring tool includes a knife body 1, a knife handle 2 is provided at the end of the knife body 1, a knife handle 3 is also connected to the knife handle 2, and an inverted cone 4 is also provided on the knife body 1. A cooling channel 5 is also arranged inside it.

[0031] The above-mentioned cooling passage 5 runs through the blade body 1 , and its bottom extends to the inside of the blade handle 2 .

[0032] A coolant inlet 7 is also provided in the knife handle 2 , and the coolant inlet 7 extends from the side of the knife handle 2 to connect with the cooling channel 5 .

[0033] Preferably, the outlet of the cooling passage 5 is arranged at the front end of the blade body 1, and a plug 6 is also arranged at the outlet.

[0034] Preferably, the front end of the blade body 1 is circular, and a blade 8 and a guide block 9 are also arranged thereon.

[0035] Preferably, the number of said blade 8 is one, and it is...

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PUM

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Abstract

The invention discloses a precision deep-hole boring cutter which comprises a cutter body, wherein the end of the cutter body is provided with a cutter holder; a cutter handle is connected to the cutter holder; a back taper is arranged on the cutter body; a cooling channel is formed inside the cutter body and passes through the cutter body, and the bottom of the cooling channel extends into the cutter handle; a cooling liquid inlet is formed in the cutter handle and extends from the side face of the cutter handle to be connected with the cooling channel; and at least two guide blocks made from Kenner 2210 superfine crystalline grain hard alloy are fixed with the cutter body to a whole body through welding. According to the precision deep-hole boring cutter, the problems of cooling and chip removal during operation are solved, vibration during operation is eliminated, the abrasive resistance of the cutter is improved, and the loss of the cutter is reduced.

Description

technical field [0001] The invention relates to a boring tool, in particular to a precision deep-hole boring tool in the technical field of precision deep-hole machining of difficult-to-cut materials in the processing of important precision parts. Background technique [0002] At present, titanium alloy precision deep hole processing is a major problem in mechanical processing. In the boring process, the use of solid carbide boring tools for boring processing has the following processing difficulties: [0003] 1. Since the tool has no cooling system, the cutting temperature is high, the resistance is large, the bonding phenomenon with the tool is serious, and the tool bonding wear and abrasive wear are serious. [0004] 2. Due to the thinner body and longer length of the tool body, its rigidity is poor, and the vibration phenomenon is serious during processing, which leads to poor processing quality and cannot meet the needs of precision processing. [0005] 3. The cost of ...

Claims

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Application Information

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IPC IPC(8): B23B27/00B23B27/10B23B41/02
Inventor 顾三国郭燕周述均
Owner SICHUAN AEROSPACE FENGHUO SERVO CONTROL TECH CO LTD
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