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A processing method for reaming holes

A processing method and hole processing technology, which is applied in the field of workpiece processing, can solve the problems of low processing accuracy of reaming holes and achieve the effect of reducing the impact

Active Publication Date: 2017-11-14
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of low machining accuracy of reamed holes, an embodiment of the present invention provides a method for processing reamed holes

Method used

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  • A processing method for reaming holes
  • A processing method for reaming holes
  • A processing method for reaming holes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of processing method of reaming hole that the embodiment of the present invention provides, such as figure 1 As shown, the processing method includes:

[0031] Step 101: providing a first workpiece to be processed and a second workpiece to be processed. The first workpiece to be processed and the second workpiece to be processed have different hardnesses, and the first workpiece to be processed and the second workpiece to be processed are positionally welded together.

[0032] Step 102: Use the first twist drill on the radial drilling machine to sequentially drill the welded first workpiece to be processed and the second workpiece to be processed, so as to drill holes in the first workpiece to be processed and the second workpiece to be processed respectively. Machining holes are machined on the top.

[0033] Step 103: Use the second twist drill on the radial drilling machine to sequentially carry out the first coaxial hole reaming process on the processing hole...

Embodiment 2

[0040] The embodiment of the present invention provides another processing method for reaming holes, see figure 2 , the processing method includes:

[0041] Step 201: providing a first workpiece to be processed and a second workpiece to be processed. The first workpiece to be processed and the second workpiece to be processed have different hardnesses, and the first workpiece to be processed and the second workpiece to be processed are stacked and welded together.

[0042] During implementation, the first workpiece to be processed and the second workpiece to be processed are positioned according to the technical requirements, that is, the outer contours of the first workpiece to be processed and the second workpiece to be processed are mutually positioned, and then the first workpiece to be processed and the second workpiece to be processed are positioned by a spot welding process. The two workpieces to be processed are welded together, thereby avoiding relative displacement ...

Embodiment 3

[0090] Another method for processing reamed holes provided by the embodiment of the present invention is suitable for processing reamed holes with an inner hole diameter of 32 mm, see image 3 , the processing method includes:

[0091] Step 301 : providing a first workpiece to be processed and a second workpiece to be processed. The first workpiece to be processed and the second workpiece to be processed have different hardnesses, and the first workpiece to be processed and the second workpiece to be processed are positionally welded together.

[0092] Step 302: Use the first twist drill on the radial drilling machine to sequentially drill holes on the first workpiece to be processed and the second workpiece to be processed that are welded together, so as to drill holes in the first workpiece to be processed and the second workpiece to be processed respectively A machining hole is processed on the top, and the diameter of the first twist drill is 25.5mm.

[0093] Step 303: Us...

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Abstract

The invention discloses a machining method for reamed holes and belongs to the technical field of workpiece machining. The machining method comprises the steps that a first to-be-machined workpiece and a second to-be-machined workpiece are provided, positioned and welded together; the first to-be-machined workpiece and the second to-be-machined workpiece which are welded together are sequentially subjected to drilling machining through a first twist drill, so that machining holes are machined in the first to-be-machined workpiece and the second to-be-machined workpiece correspondingly; the machining holes are sequentially subjected to primary coaxial broaching machining through a second twist drill; the machining holes are sequentially subjected to secondary coaxial broaching machining through a third twist drill; the machining holes are sequentially subjected to third-time coaxial broaching machining through a broaching dill; the machining holes are sequentially subjected to primary coaxial reaming through a first reamer; and the machining holes are sequentially subjected to secondary coaxial reaming through a second reamer. According to the machining method for the reamed holes, the machining precision of the reamed holes is improved.

Description

technical field [0001] The invention belongs to the technical field of workpiece processing, in particular to a processing method for reaming holes. Background technique [0002] The reamed hole is a through hole used for precise matching with the reamed hole bolt. The reamed hole usually forms an interference fit with the screw rod of the bolt. In order to ensure that the reamed hole can cooperate well with the bolt, the reamed hole is generally The machining accuracy has very high requirements. [0003] Since the main function of the hinged bolt and the hinged hole is to connect the two workpieces together, and prevent the relative sliding between the two workpieces through the shear resistance of the hinged bolt itself, in order to ensure the two workpieces For the coaxiality of the reamed holes, usually the two workpieces to be processed are stacked together, and then the two reamed holes are processed at the same time. When the drill bit drills through one workpiece t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 武江勇朱国斌金彩张志清易兆红韩晓君
Owner WUHAN MARINE MACHINERY PLANT