A Method for Machining Axial Hole of Thin-walled Cone

A technology of axial hole and hole processing, which is applied in the direction of metal processing equipment, metal processing machinery parts, manufacturing tools, etc., can solve the problems of out-of-round processed holes, unstable workpiece positioning, and hole-to-hole deformation, and achieve improved Work efficiency, high promotional value, and convenient operation

Active Publication Date: 2016-01-20
GUIZHOU FENGLEI AVIATION ORDNANCE CO LTD
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Problems solved by technology

[0003] In order to solve the technical problems of unstable workpiece positioning, out-of-round processed holes, deformation between holes, and even fracture of ribs in the prior art when machining thin-walled cones, the present invention provides a A method for machining axial holes of thin-walled cones that can be accurately positioned, the roundness of the processed holes meets the requirements, and there is basically no deformation between holes

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  • A Method for Machining Axial Hole of Thin-walled Cone
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  • A Method for Machining Axial Hole of Thin-walled Cone

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[0021] Below in conjunction with accompanying drawing, the present invention will be further described:

[0022] A method for machining the axial hole of a thin-walled cone, comprising the following steps:

[0023] a. Making auxiliary fixtures: the specific structure of the fixtures is as follows, including a base 5, a turntable 4, a rotating central axis 2, and a conical positioning body 3. The conical positioning body 3 matches the thin-walled cone 14 to be processed, The thin-walled cone 14 can be set on the conical positioning body 3 and the two are concentric and coaxial; the conical positioning body 3 is processed with a through hole at the position of the central axis, and is processed in the axial direction around the through hole of the conical positioning body 3 There are limited holes, and the circles and quantity of the limited holes are consistent with the circles and quantity of the holes to be processed on the thin-walled cone 14. The limited holes are formed du...

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Abstract

The invention discloses a method for processing axial holes of a thin-wall cone and relates to a processing method for holes. The method comprises the following steps: a, manufacturing an auxiliary jig; b, installing the jig and parts; c, performing tool setting and tool changing; d, processing one hole; e, processing another hole; f, processing a first layer of holes; g, performing the tool setting again; h, processing a second layer of holes; i, processing all holes. According to the method disclosed by the invention, under the condition that a drilling tool is unchanged in position, a rotary turnplate is positioned by utilizing indexing holes to realize drilling of the thin-wall cone. The method is higher in processing precision, and the holes are not easy to deform. According to the method disclosed by the invention, a process that repositioning needs to be performed every time when one hole is processed is also saved, and therefore, the work efficiency can be greatly improved. Moreover, the used jig is simple in structure, and convenient to operate. In consideration of reasons, the method for processing the axial holes of the thin-wall cone disclosed by the invention is higher in promotion value.

Description

technical field [0001] The invention relates to a hole processing method, in particular to a method for processing the axial hole of a thin-walled cone. Background technique [0002] In the field of traditional mechanical processing, it has always been a difficult point to process holes in thin-walled cones. In the prior art, there are two common ways to process holes in thin-walled cones: 1. Drilling holes directly with a vertical drilling machine ;2. Using the nesting method, the first method: direct drilling with a drilling machine, the problem is that the positioning of the workpiece is unstable, the drill bit is easy to slip on the surface of the workpiece, and the processed holes are not round, which is difficult to guarantee the quality requirements. The second method: using a nesting tool for countersinking on the drilling machine, the problem is that when there are many axial holes in the workpiece, deformation between holes and even ribs break easily, and the quali...

Claims

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Application Information

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IPC IPC(8): B23B35/00B23Q3/06B23Q16/06
Inventor 肖诗强
Owner GUIZHOU FENGLEI AVIATION ORDNANCE CO LTD
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