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Casting method for imbedded oil way steel pipe

An oil channel and steel pipe technology, which is applied in the field of casting technology, can solve the problems of inability to repair, scrap the frame, waste costs, etc., and achieve the effects of avoiding poor fusion, good fusion, and expanding unit area.

Active Publication Date: 2018-11-13
四川共享铸造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The frame leaked during the water pressure test of the main oil channel after drilling and processing, and could not be repaired, causing the frame to be scrapped, affecting the production progress and wasting costs

Method used

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  • Casting method for imbedded oil way steel pipe
  • Casting method for imbedded oil way steel pipe
  • Casting method for imbedded oil way steel pipe

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Embodiment Construction

[0023] In order to illustrate the technical solution of the present invention more clearly, it will be described in detail according to the embodiments of the accompanying drawings. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without paying Under the premise of creative work, other drawings can also be obtained based on these drawings.

[0024] In this embodiment, the 16V280 frame is taken as an example. The inner diameter of the oil pipe of the 16V280 frame is 90 mm, the length of the oil pipe is 4200 mm, the wall thickness of the casting part of the oil pipe is 18 mm, and the wall thickness of the two ends of the oil pipe in the direction of the length of the oil pipe is is 65mm. The length of the snorkel is 4500mm.

[0025] Such as figure 1 As shown in the oil passage steel pipe 100, the inner diameter of the oil passage steel pipe 100 is 90 mm, the wall thickness ...

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Abstract

A casting method for an imbedded oil way steel pipe is used for avoiding product quality defects or scrapping caused by bad fusion in the casting process of an iron casting of an oil way steel pipe. According to the casting method for the imbedded oil way steel pipe, a steel pipe is in lap joint to a casting to be subjected to pouring, wherein the two ends of the steel pipe are provided with thread sections, the interior of the steel pipe is provided with a ventilation piece, the steel pipe is filled with resin sand, the fusion capability between the iron casting metal liquid and a steel oil pipe can be improved through the thread sections, and accordingly the problem that fusion of a steel pipeline and the iron casting metal liquid is not good is solved. Through the technology, the high casting inner pipeline can be obtained, and the problem that due to steel pipe imbedding, fusion between cast iron and steel is not good, and casting leakage is caused is greatly solved.

Description

technical field [0001] The invention relates to the technical field of casting technology, in particular to a casting method for iron castings embedded with cast steel pipes. Background technique [0002] The main oil channel of the traditional medium and large frame adopts sand core or pre-embedded steel pipe in the casting mold, and the oil channel through hole is directly formed on the casting. The sand core casting main oil channel is used in a few frame products, and most frames are casted with steel pipes. The inner wall of the main oil channel formed by the sand core is prone to casting defects such as oxide scales, grooves, and bulges. It is difficult to clean the castings in the finishing process, and the surface finish cannot meet user requirements. The main oil channel formed by the steel pipe has defects such as unfused or delaminated at the end. The frame leaked during the water pressure test of the main oil passage after processing and drilling, and could not...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D19/00
CPCB22D19/00
Inventor 刘建平
Owner 四川共享铸造有限公司
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