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Preparation method of oblique oil cylinder body

A technology of tilting oil cylinders and cylinder blocks, which is applied in the field of oil cylinder block manufacturing, can solve problems such as high cost, low material utilization rate, and complicated manufacturing process, and achieve the effect of light weight, no anisotropy, and simple manufacturing process

Inactive Publication Date: 2013-03-13
ANHUI ZHENYE MACHINERY
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  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of complex manufacturing process, high cost, and low material utilization rate in the prior art, and propose a molding process that is simple, low in manufacturing cost, high in material utilization rate, high in product strength, and high in quality. Preparation method of light oil cylinder cylinder head

Method used

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Embodiment Construction

[0013] The technical solutions of the present invention are further specifically described below through examples.

[0014] A method for preparing a cylinder block of an inclined oil cylinder, comprising the following steps:

[0015] a. Making molten metal, the weight percentage of chemical components in the molten metal is: C 0.18-0.27%, Mn 1.1-2.0%, Si 0.6-1.2, V 0.08-0.15%, Ti 0.11-0.2%, Cr 0.8-2.0 %, Ni 0.5-1.5%, Mo trace ~ 0.40%, W 0.1-0.8%, Nb 0.05-0.07%, Cu trace ~ 0.50%, P≤0.030%, S≤0.030%, the balance is aluminum and not Inclusions to avoid;

[0016] b. When the melt is at 680-760°C, take a certain amount of melt and pour it into the cavity of the preheated extrusion casting mold quickly and smoothly, and close the mold quickly. When the punch is close to the surface of the aluminum alloy melt, Pressurize to 100-140MPa, keep the pressure for 30-50S, then eject the mold and pick up the parts to form the blank of the tilting cylinder body;

[0017] c. Carry out solid...

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Abstract

The invention discloses a preparation method of an oblique oil cylinder body. The method comprises the following step of: a, preparing a metal solution which comprises the following chemical composition in percentage by weight: 0.18-0.27% of C, 1.1-2.0% of Mn, 0.6-1.25 of Si, 0.08-0.15% of V, 0.11-0.2% of Ti, 0.8-2.0% of Cr, 0.5-1.5% of Ni, trace amount-0.40% of Mo, 0.1-0.8% of WO, 0.05-0.07% of Nb, trace amount-0.23% of Al, trace amount-0.50% of Cu, no more than 0.030% of P, no more than 0.030% of S, and the balance of aluminum and inevitable foreign matters. Aiming at the defects of higher cost and low material utilization ratio, the invention provides preparation method of an aluminum alloy oil cylinder body cover which is simple in forming process, low in manufacturing cost, high in material utilization ratio, high in product strength and light in weight.

Description

technical field [0001] The invention relates to a manufacturing technology of an oil cylinder body, in particular to a preparation method of an inclined oil cylinder body. Background technique [0002] With the development of high-end CNC machine tools, the performance requirements of important components such as oil cylinders, cylinder blocks, and cylinder heads that rotate at high speeds in machine tools are getting higher and higher. At present, the high-speed rotary oil cylinder cylinder head of CNC machine tools is usually made of cast steel, and the parts are heavy. The centrifugal force is large during high-speed rotation, and it will deform after long-term use, which will affect the machining accuracy of CNC machine tools. In the maintenance of machine tool parts Or when replacing, more auxiliary equipment and manpower are needed, and the cost is higher. Therefore, machine tool manufacturers should try their best to reduce the cost and make the machine tool lightweig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/00C22F1/04C22C21/00
Inventor 吕青堂陈栋李文宇
Owner ANHUI ZHENYE MACHINERY
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