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A method of manufacturing a waist lining hole

A manufacturing method and waist-shaped technology, which is applied in the field of mechanical parts processing, can solve problems such as easy to form snaps, waist-shaped holes for knives, and stuck in injection molds, etc., to achieve the effects of accelerated curing, strong rigidity, and convenient connection

Active Publication Date: 2022-04-19
昆山鸿永胜精密五金制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The conventional processing method will cause the middle part of the waist hole to have the trace of the knife (the main reason is the wear of the tool), and there is a small boss 101
When the tool is worn out and the overall size is at the lower limit, it will be stuck in the injection mold
At the same time, due to the processing accuracy, the existing waist-shaped hole will be larger than the injection mold, and it is easy to form a snap-in

Method used

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  • A method of manufacturing a waist lining hole
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A method for manufacturing a waist-shaped lining hole, comprising the steps of:

[0039] S1. Clamp the circular metal block by the fixture, and use the alloy drill to turn two through holes with the same diameter on the X axis;

[0040] S2. On the Y axis, mill two through holes with an alloy arc milling cutter to form a waist-shaped lining hole.

[0041] The X-axis uses a titanium-plated 7.0 drill bit with a rotational speed of 1200-1800 rpm; the Y-axis adopts a 7.5 alloy arc milling cutter with a rotational speed of 1000-1500 rpm.

[0042] It also includes carrying out anti-corrosion treatment on the waist-shaped lining hole, and the anti-corrosion treatment steps are as follows:

[0043] S1. Sand the inner wall of the waist lining hole to make the surface roughness reach Ra30;

[0044] S2. Spray glass fiber powder on the inner wall of the waist-shaped lining hole with a high-speed jet machine, so that the inner surface of the waist-shaped lining hole is filled with ...

Embodiment 2

[0058] A method for manufacturing a waist-shaped lining hole, comprising the steps of:

[0059] S1. Clamp the circular metal block by the fixture, and use the alloy drill to turn two through holes with the same diameter on the X axis;

[0060] S2. On the Y axis, mill two through holes with an alloy arc milling cutter to form a waist-shaped lining hole.

[0061] The X-axis uses a titanium-plated 7.0 drill bit with a rotational speed of 1200-1800 rpm; the Y-axis adopts a 7.5 alloy arc milling cutter with a rotational speed of 1000-1500 rpm.

[0062] It also includes carrying out anti-corrosion treatment on the waist-shaped lining hole, and the anti-corrosion treatment steps are as follows:

[0063] S1. Sand the inner wall of the waist lining hole to make the surface roughness reach Ra30;

[0064] S2. Spray glass fiber powder on the inner wall of the waist-shaped lining hole with a high-speed jet machine, so that the inner surface of the waist-shaped lining hole is filled with ...

Embodiment 3

[0078] A method for manufacturing a waist-shaped lining hole, comprising the steps of:

[0079] S1. Clamp the circular metal block by the fixture, and use the alloy drill to turn two through holes with the same diameter on the X axis;

[0080] S2. On the Y axis, mill two through holes with an alloy arc milling cutter to form a waist-shaped lining hole.

[0081] The X-axis uses a titanium-plated 7.0 drill bit with a rotational speed of 1200-1800 rpm; the Y-axis adopts a 7.5 alloy arc milling cutter with a rotational speed of 1000-1500 rpm.

[0082] It also includes carrying out anti-corrosion treatment on the waist-shaped lining hole, and the anti-corrosion treatment steps are as follows:

[0083] S1. Sand the inner wall of the waist lining hole to make the surface roughness reach Ra30;

[0084] S2. Spray glass fiber powder on the inner wall of the waist-shaped lining hole with a high-speed jet machine, so that the inner surface of the waist-shaped lining hole is filled with ...

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Abstract

The invention relates to a method for manufacturing a waist-shaped lining hole, which includes the following steps: S1, clamping a circular metal block by a clamp, and using an alloy drill to turn two through holes with the same diameter on the X axis; S2, passing an alloy drill on the Y axis. The arc milling cutter mills around two through holes to form a waist liner hole. The invention also processes the inner wall of the waist-shaped lining hole so that it can adapt to different moulds.

Description

technical field [0001] The invention relates to the technical field of mechanical parts processing, in particular to a method for manufacturing waist-shaped lining holes. Background technique [0002] shaped like figure 1 The waist-shaped hole bushing 100 is often used in injection molding parts of motorcycles, and the precision of the inner hole is required to be high. After manufacturing, it is grabbed by an automatic robot and put into the injection mold. [0003] Conventional processing methods will cause the middle part of the waist-shaped hole to have a trace of receiving a knife (the main reason for this is the wear and tear of the knife), and there is a small boss 101 . When the tool is worn out and the overall size is at the lower limit, it will be stuck in the injection mold. At the same time, due to machining accuracy, the existing waist-shaped hole may be larger than the injection mold, and it is also easy to form a snap. Contents of the invention [0004] I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 阮国利龚义清
Owner 昆山鸿永胜精密五金制品有限公司
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