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Process for manufacturing wax mold by using lock key

A production process and wax mold technology, which is applied in the wax mold production process of lock keys, can solve the problems of unsatisfactory surface finish of lock keys, low quality of lock key products, low dimensional accuracy of lock key products, etc., and achieve excellent processability , Low production cost, smooth product surface

Inactive Publication Date: 2020-10-16
XIAN TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of low dimensional accuracy, unsatisfactory surface finish and low quality of the produced key when using the existing wax model to produce the key. Wax model making process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The wax mold manufacturing process that the present invention proposes is used for lock key, comprises the following steps:

[0022] S1. Preparation of wax model raw materials: The wax model raw materials are calculated in parts by weight, including 100 parts of rosin resin, 23 parts of ethylene glycol diglycidyl ether, 4 parts of lauroyl diethanolamine, 1.4 parts of trihydroxy polyether, and 0.2 parts of molybdenum disulfide ;

[0023] S2. Preparation of wax material: put the rosin resin, lauroyldiethanolamine, and molybdenum disulfide weighed in step S1 into a reaction bottle, add an appropriate amount of ethanol, and stir at a speed of 200r / min for 30min at 60°C. Add the ethylene glycol diglycidyl ether and trihydroxy polyether weighed in step S1 into the reaction flask, raise the temperature to 100°C, continue stirring for 1 hour, and cool to room temperature to obtain the wax material;

[0024] S3. Making a wax pattern: using the wax material prepared in step S2 a...

Embodiment 2

[0028] The wax mold manufacturing process that the present invention proposes is used for lock key, comprises the following steps:

[0029] S1. Prepare wax model raw materials: wax model raw materials are calculated in parts by weight, including 100 parts of rosin resin, 34 parts of ethylene glycol diglycidyl ether, 3 parts of lauroyl diethanolamine, 2 parts of trihydroxy polyether, and 0.4 parts of molybdenum disulfide ;

[0030] S2. Preparation of wax material: put the rosin resin, lauroyldiethanolamine, and molybdenum disulfide weighed in step S1 into a reaction bottle, add an appropriate amount of ethanol, and stir at a speed of 250r / min for 30min at 65°C. Add the ethylene glycol diglycidyl ether and trihydroxy polyether weighed in step S1 into the reaction flask, raise the temperature to 105°C, continue stirring for 1.5h, and cool to room temperature to obtain the wax material;

[0031] S3. Making a wax pattern: using the wax material prepared in step S2 as a molding mat...

Embodiment 3

[0035] The wax mold manufacturing process that the present invention proposes is used for lock key, comprises the following steps:

[0036] S1. Prepare wax model raw materials: The wax model raw materials are calculated in parts by weight, including 100 parts of rosin resin, 46 parts of ethylene glycol diglycidyl ether, 2 parts of lauroyl diethanolamine, 2.6 parts of trihydroxy polyether, and 0.6 parts of molybdenum disulfide ;

[0037] S2. Preparation of wax material: put the rosin resin, lauroyldiethanolamine, and molybdenum disulfide weighed in step S1 into a reaction bottle, add an appropriate amount of ethanol, and stir at a speed of 300r / min for 25min at 70°C. Add the ethylene glycol diglycidyl ether and trihydroxy polyether weighed in step S1 into the reaction flask, raise the temperature to 105°C, continue stirring for 2 hours, and cool to room temperature to obtain the wax material;

[0038] S3. Making a wax pattern: using the wax material prepared in step S2 as a mo...

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PUM

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Abstract

The invention discloses a process for manufacturing a wax mold by using a lock key. The process comprises the following steps: S1, preparing a wax mold raw material which comprises rosin resin, ethylene glycol diglycidyl ether, lauroyl diethanol amine, trihydroxy polyether and molybdenum disulfide; S2, stirring rosin resin, lauroyl diethanol amine, molybdenum disulfide and a proper amount of ethanol, adding ethylene glycol diglycidyl ether and trihydroxy polyether, performing heating and stirring to obtain a wax material; S3, enabling the wax material to serve as a mold material, and manufacturing a wax pattern; S4, assembling the wax pattern into a tree by using flat-head type electric iron so as to obtain a lock key mold shell; and S5, placing the lock key mold shell in an electric heating steam dewaxing kettle, and introducing steam until wax on the surface of the lock key mold shell is completely removed, namely completing the wax mold manufacturing process. The processes for manufacturing the wax mold provided by the invention is simple and easy to implement, and the manufactured wax mold can be applied to production of lock keys with high dimensional accuracy and high surfacesmoothness.

Description

technical field [0001] The invention relates to the technical field of investment casting, in particular to a process for making wax patterns for locking keys. Background technique [0002] The lock key is one of the common auxiliary accessories on the device, and it is widely used in fields such as automobiles and mechanical equipment. In recent years, with the continuous development of science and technology, the utilization rate of automobiles and mechanical products has increased day by day, resulting in a significant increase in the demand for keys. The main method currently used by factories to produce lock keys is through investment casting. The wax pattern is the most important auxiliary material in investment casting. A wax pattern is required for each group of castings produced. Therefore, the quality of the wax pattern will directly affect the size and surface finish of the casting. In order to obtain high-quality castings, many researchers at home and abroad ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/02
CPCB22C7/02
Inventor 董晟全高云鹏王睿仪何子博梁艳峰
Owner XIAN TECH UNIV