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Method for manufacturing lock shaft parts for container

A technology for containers and locks, applied in building locks, building structures, buildings, etc., to achieve the effects of adapting to large-scale production, significant technological advancement, and reducing production costs

Inactive Publication Date: 2005-12-21
上海市机械制造工艺研究所有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The purpose of the present invention is to provide a set of technology for producing shaft parts of container locks by using investment casting method, so as to solve many technical problems in the production of shaft parts of high-strength container locks by replacing forging technology with investment casting technology , in order to simplify the production and processing procedures of shaft parts in container locks, improve production efficiency, reduce production costs, and carry out mass production under the premise of ensuring rated strength and quality

Method used

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  • Method for manufacturing lock shaft parts for container

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Experimental program
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Effect test

Embodiment 1

[0050] a. Wax model making;

[0051] According to the structure of casting parts, design the pouring riser system. The wax mold has a reasonable pouring system design, which can ensure the sequential solidification of the castings; it can be poured in multiple layers with columnar risers. It can also be poured in a single layer with a spherical riser. The gate can be single gate or double gate.

[0052] b. Shell molding;

[0053] Using water glass as a binder to make the shell mold, including hardening, dewaxing and roasting of the shell mold.

[0054] c. Prepare a high-strength alloy material whose composition is:

[0055] C: 0.38 Si: 0.33 Mn: 0.94

[0056] Cr: 1.09 Mo: 0.27 S, P≤0.025;

[0057] d. Melting and pouring of alloy materials:

[0058] It adopts intermediate frequency furnace melting, adopts non-oxidizing steelmaking process, and selects rare earth ferrosilicon (FeSiRe45) for deoxidation,

[0059] Melting temperature: 1590°C; casting pouring, pouring temper...

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Abstract

The invention discloses a center shaft component for locks of cargo container production technique with investment moulding. The invention provides with a set of rational technique from material selecting, shell making, melting, and heat processing, resolving the many technique problems in center shaft component for locks of cargo container production with investment moulding, simplifying the production procedure and lowering the cost, enhancing productivity so to be more adaptive to mass production.

Description

technical field [0001] The invention relates to a method for manufacturing a lock, in particular to a method for manufacturing shaft parts in a special lock for containers. Background technique [0002] With the development of international trade, the demand for containers is very large, and the corresponding demand for container locks is also increasing. However, as the shaft parts with the greatest force and the highest strength requirements in container locks, the process of forging and reprocessing is still used for many times. Due to the large number of processes and heavy workload, it is relatively difficult to carry out mass production. Resulting in high product costs. [0003] Investment casting is also known as "lost wax casting". This method is to inject the fusible molding material into the mold (in the mold) to make a investment mold, assemble it into a module, and then apply a liquid paint made of refractory material and binder on the surface of the module, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B15/00
Inventor 毛军王峥钱宏生周耀忠金刚杨安石
Owner 上海市机械制造工艺研究所有限公司
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