Method for processing 8 shaped oil groove with numerical control boring mill

An 8-shaped, CNC machine tool technology, applied in metal processing equipment, milling machine equipment, manufacturing tools, etc., can solve problems such as low processing efficiency, uneven bottom plane of oil tank, potholes at arc transition, etc., to improve processing efficiency, Apparent mass change, consistent depth effect

Active Publication Date: 2008-12-03
上海电气集团上海电机厂有限公司
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AI Technical Summary

Problems solved by technology

[0003] 1. The bottom plane of the processed oil tank is uneven, and the arc transition is obviously pitted, and it is difficult to ensure the smoothness of the arc transition area;
[0004] 2. The processing efficiency is low. It takes about 5-6 hours to manually repair an oil tank, and a master with excellent clamping skills is required to complete it;
[0005] 3. Accidents are prone to occur during the repair process. If the lead layer is damaged, it will take a lot of time to repair it

Method used

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  • Method for processing 8 shaped oil groove with numerical control boring mill
  • Method for processing 8 shaped oil groove with numerical control boring mill

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Embodiment Construction

[0025] Such as figure 1 The 8-shaped oil groove is located on the inner surface of the bearing bush 1 (the bearing bush is half), and the direction is the same as the axial direction of the bearing bush. The 8-shaped oil tank is composed of two squares, has 8 straight segments, and there are 6 1 / 4 circular arcs between the straight segments.

[0026] Such as figure 2 As shown, the bearing bush 1 is placed vertically on the turntable 2 of the CNC boring machine, and the inner surface of the bearing bush is adjusted to be concentric with the turntable 2 (same rotation center), so that the bearing bush 1 can rotate coaxially with the turntable 2.

[0027] In order to ensure the feasibility and convenience of CNC boring machine processing the 8-shaped oil tank with circular arc, the 8-shaped oil tank takes the center point O of the 8-shaped oil tank as the origin to establish a coordinate system XOYZ, and the 8-shaped oil tank in the coordinate plane XOY The center point O is d...

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Abstract

The invention belongs to the numerical control machining technical field and relates to a method for machining a 8-shaped oil sink by a numerical control machine. The method comprises the following steps: the 8-shaped oil sink is divided into four symmetrical sections by a coordinate system XOY with a centre O of the 8-shaped oil sink as a punch mark and the four symmetrical sections are respectively machined by a numerical control boring machine, each symmetrical sections is machined into a one eighth circular arc A, a tangential path B, and a one fourth circular arc C and a tangential path D in turn from a vertex to the centre O of the 8-shaped oil sink by a milling cutter of the numerical control boring machine. The 8-shaped oil sink machined and obtained by the method for machining the 8-shaped oil sink by the numerical control machine has attractive appearance and quality, flat underside, consistent depth and smooth transition of the circular arc, greatly improves machining efficiency, ensures machining quality and is not easy to cause accidental situations of damaging a lead layer in the machining process.

Description

technical field [0001] The invention belongs to the technical field of numerical control machining, and relates to a method for machining an 8-shaped oil groove on the inner surface of a bearing bush by using a numerical control boring machine. Background technique [0002] Steam generator 5.263.807 The 8-shaped oil groove of the bearing bush is opened on the surface of the inner round lead layer of the bearing bush, located around the high-pressure top oil hole, the groove is 8 mm wide and 1.5 mm deep, and is evenly distributed in a 8-shaped mm on the inner circle. The existing processing method of the 8-shaped oil tank is to first draw a 8-shaped template, then draw a line on the inner circle of the bearing bush according to the shape of the template, and finally repair it manually. The existing method of manually processing the 8-shaped oil tank has the following disadvantages: [0003] 1. The bottom plane of the processed oil tank is uneven, and the arc transition is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B41/12B23C3/34
Inventor 黄东升方华
Owner 上海电气集团上海电机厂有限公司
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