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Lost foam casting method of cylinder of single cylinder diesel engine

A diesel engine and lost foam technology, applied in casting molding equipment, casting molds, casting mold components, etc., can solve problems such as insurmountable, and achieve the effect of solving carbon slag problems, improving casting quality, and ensuring quality

Active Publication Date: 2014-04-09
CHANGZHOU CHANGXIE DIESEL ENGINE BLOCK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: Based on the above problems, the present invention provides a lost foam casting method for a single-cylinder diesel engine block to solve the problems of high equipment cost investment and problems in white mold manufacturing, coating technology, pouring technology and other technologies. Insurmountable problems to realize mass production of finished products of diesel engine and gasoline engine cylinder blocks by using lost foam casting process

Method used

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  • Lost foam casting method of cylinder of single cylinder diesel engine
  • Lost foam casting method of cylinder of single cylinder diesel engine
  • Lost foam casting method of cylinder of single cylinder diesel engine

Examples

Experimental program
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Effect test

Embodiment 1

[0034] like figure 2 As shown, the lost foam white mold 4 of the cylinder block of a single-cylinder diesel engine is placed in a three-dimensional vibrating sand box with the bottom molding sand 3, the cylinder head face 6 faces downward, and two lost foam white molds are connected to a casting system white mold 8 4. The lost foam white mold 4 is inclined laterally, the inclination angle 7 is 15°, the thickness of the molding sand 3 on the top of the cylinder is 12cm, the gate 5 is 4cm higher than the plane of the molding sand 3, the surface of the molding sand 3 is covered with a layer of plastic film 2, and the surface of the molding sand 3 is covered with a layer of plastic film 2 The surface is covered with 3cm-thick molding sand 3 and the gate 5 is exposed. The sand box is in a closed state. The sand box is connected to the vacuum system through the vacuum interface 1 at the bottom. The cylinder lost foam white mold 4 is inclined laterally at 15° to reduce the flow resis...

Embodiment 2

[0036] like image 3As shown, the lost foam white mold 4 of the cylinder block of a single-cylinder diesel engine is placed in a three-dimensional vibrating sand box with the bottom layer of molding sand 3, the cylinder head face 6 faces downward, and a lost foam white mold 8 of a casting system is connected to it 4. The thickness of the molding sand 3 on the top of the cylinder is 13cm, the gate 5 is 5cm higher than the plane of the molding sand 3, the surface of the molding sand 3 is covered with a layer of plastic film 2, and the surface of the film 2 is covered with 4cm thick molding sand 3 and the gate 5 is exposed, the sand box In the closed state, the flask is connected to the vacuum system via the vacuum docking port 1 at its bottom.

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Abstract

The invention relates to a casting method, and especially relates to a lost foam casting method of a cylinder of a single cylinder diesel engine. The lost foam casting method of a cylinder of a single cylinder diesel engine comprises the following steps: foaming, blank mold preparation, mold combination, coating, flask molding, and casting; the invention solves the problems of high equipment cost investment and problems existing in blank mold preparation, coating technology, casting technology and the like which can not be overcome; the casting method of the invention not only ensures the cast quality, provides a whole environment-friendly and pollution-free production process, but also realizes mass production of cylinders of diesel engines and gasoline engines by lost foam casting.

Description

technical field [0001] The invention relates to a casting method, in particular to a lost-foam casting method for a cylinder body of a single-cylinder diesel engine. Background technique [0002] The single-cylinder diesel engine cylinder block is a relatively complex casting. In China, clay sand casting is mainly used, and a few enterprises use cold box or hot box casting. However, these casting methods generally have high labor intensity, serious environmental pollution, and little sand recycling. , Waste sand cannot be processed, raw material consumption is heavy, casting weight is heavy, casting quality cannot be guaranteed (wrong box, trachoma, slag inclusion, air hole, etc.) and a series of problems. The emergence of lost foam casting has completely solved the defects of traditional sand casting, such as wrong box, trachoma, slag inclusion, pores, rough surface, etc., and the castings produced by lost foam casting process can effectively control casting defects, and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C9/04
Inventor 杜达仁
Owner CHANGZHOU CHANGXIE DIESEL ENGINE BLOCK CO LTD
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