Processing technology for drilled and cooled cylinder liner

A processing technology and cylinder liner technology, which is applied in the field of drilling and cooling cylinder liner processing technology, can solve problems such as poor product quality, insufficient process flow, and insufficient piston precision, and achieve high product quality, high processing accuracy, and rigorous process flow Effect

Inactive Publication Date: 2011-10-12
DALIAN BINCHENG PISTON MFG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional drilling and cooling cylinder liner processing technology, because the process flow is not fine enough, and the process requirements ...

Method used

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  • Processing technology for drilled and cooled cylinder liner
  • Processing technology for drilled and cooled cylinder liner

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Embodiment Construction

[0014] Such as figure 1 As shown, the drilling and cooling cylinder liner processing technology of the present invention comprises the following steps: Step a, hang the coating, prepare the metal mold and baffle plate, remove the residual coating in the inner cavity of the metal mold after being wetted with water, enter the kiln for preheating, The inner side of the front and rear baffles is pounded with water glass sand, scraped flat, hardened by adding CO, painted with lead powder, and put into the kiln together with the metal mold. The transformer is 250kw, and the capacity of the electric kiln is 210kw. Therefore, the electric furnace and the electric kiln cannot be powered at the same time. The paint is prepared, and the paint components are 150-200 mesh quartz powder, bentonite, powdery lead powder, flake lead powder, diatom Soil, water glass and water, the procedure for adding the above materials (except water glass) to the mixer: water, lead powder, bentonite, diatomac...

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Abstract

The invention discloses a processing technology for a drilled and cooled cylinder liner, which comprises the following steps of: a, coating a coating, preparing a metal mold and a baffle plate, wetting a residual coating in an inner cavity of the metal mold by using water for removal, adding into a kiln, preheating, and preparing the coating from quartz powder of 150 to 200 meshes, bentonite, lead powder, platy lead powder, diatomite, water glass and water; b, smelting and pouring, namely adding new pig iron, a waste material, waste steel and an iron alloy material in turn, sampling for testing when the smelting temperature reaches 1,250 DEG C, adjusting the components of molten iron according to a test notice, cutting off electricity when the smelting temperature reaches 1,520+/-5 DEG C (a thermocouple measures the temperature), standing for 2 to 3 minutes, and preparing for discharge; c, repairing a pouring system, quantizing a pouring ladle, and repairing according to the dimensional requirement of water gap flow; and d, demolding a casting, performing heat treatment on the casting, and delivering. The processing technology for the drilled and cooled cylinder liner is high in processing accuracy and strict in processes, and the processed product has high quality.

Description

technical field [0001] The invention relates to a drilling and cooling cylinder liner processing technology. Background technique [0002] The traditional drilling and cooling cylinder liner processing technology, because the process flow is not fine enough, and the process requirements in the material hanging link are not accurate, resulting in insufficient precision of the piston processed by this processing technology, and poor product quality. Contents of the invention [0003] The purpose of the present invention is to provide a drilling cooling cylinder liner processing technology. [0004] The technical solution adopted by the present invention to achieve the above object is: a drilling cooling cylinder liner processing technology, comprising the following steps: [0005] Step a, hang the paint, prepare the metal mold and baffle, remove the residual paint in the inner cavity of the metal mold after wetting it with water, preheat it in the kiln, and prepare the pain...

Claims

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Application Information

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IPC IPC(8): B22D13/00B22C23/02
Inventor 邵其浩
Owner DALIAN BINCHENG PISTON MFG
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