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Novel process for processing vertex chamber hole on diesel engine cylinder cover

A vortex chamber and hole processing technology, which is applied in the direction of cylinder head, cylinder, mechanical equipment, etc., can solve the problems of shortened tool wear cycle, poor surface roughness, and high labor intensity of the operator, so as to achieve longer wear cycle and light processing , Improve the effect of equipment utilization

Inactive Publication Date: 2005-04-20
YANGDONG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This processing technology has the following disadvantages: (1) Since it is vertical processing, it is difficult to remove chips, and manual timing chip removal is required, the production efficiency is low, and the process time is long; (2) Due to the difficulty of chip removal, the surface of the vortex chamber is processed The roughness is poor, the tool wear cycle is shortened and the damage is serious; (3) When compounding and reaming the spherical hole of the vortex chamber, due to the existence of a "cutting zero point" (the point where the cutting speed is zero), the cutting resistance is quite large, and the operator labor strong

Method used

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  • Novel process for processing vertex chamber hole on diesel engine cylinder cover
  • Novel process for processing vertex chamber hole on diesel engine cylinder cover
  • Novel process for processing vertex chamber hole on diesel engine cylinder cover

Examples

Experimental program
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Embodiment Construction

[0013] Referring to Figure 1 and image 3 , the specific processing steps are:

[0014] (1) For cylinder head castings, pre-drill the injector hole D with a twist drill on a small bench drill. The size of the pre-drilled hole should be able to remove the cutting zero point;

[0015] (2) Roughly expand the spherical hole D of the vortex chamber with a forming knife 3 (vortex holes have been reserved on the casting);

[0016] (3) Composite reaming insert hole D with compound reaming knife 1 , Vortex chamber hole D 2 , Vortex chamber spherical hole D 3 ;

[0017] (4) Composite reaming insert hole D with compound reamer 1 , Vortex chamber hole D 2 , Vortex chamber spherical hole D 3 ;

[0018] (5) Composite reaming injector hole D with compound reaming knife 4 、D 5 ;

[0019] (6) Compound reaming injector hole D with compound reamer 4 、D 5 .

[0020] Above steps (2) to (6) are carried out on the vertical drilling machine. Finally, finishing the injector hole can ens...

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PUM

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Abstract

A novel process for working swirl chamber aperture in cylinder cover of diesel engine is that, the fuel injection hole is preworked before working swirl chamber aperture, then working the swirl chamber aperture and finely working fuel injection hole. Said invention raises the working quality of fuel injection hole.

Description

technical field [0001] The invention relates to a processing technology of a cylinder head of a diesel engine, in particular to a method and steps for processing a vortex chamber hole of the cylinder head. Background technique [0002] The common structure of the vortex chamber hole and the fuel injector hole of the vortex diesel engine cylinder head is shown in Figure 1, and its precision is high, so the processing technology requirements are relatively strict. The traditional processing technology is to process the vortex chamber hole (the existing casting reserved hole) on the vertical drilling machine, and then process the injector hole, as shown in Figure 2. The specific processing technology is (1) Drilling the vortex chamber with a twist drill bit (2) Roughly expand the spherical hole of the vortex chamber with a forming knife; (3) Compositely expand the insert hole, the vortex chamber hole and the spherical hole of the vortex chamber with a compound reamer; (4) Compo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00F02F1/42
CPCY02T10/12
Inventor 申姜宏
Owner YANGDONG CO LTD
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