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Mold and wax piece

A technology for molds and wax parts, applied in the field of wax parts, to achieve the effect of good sealing and quality assurance

Active Publication Date: 2014-12-03
SUS LAB FOR IND SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a mold to solve the above-mentioned problems existing in existing molds

Method used

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  • Mold and wax piece
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Embodiment Construction

[0029] The invention provides a mold, which is generally used in the field of precision casting, and the mold is used to process workpieces by a lost wax method. The mold can improve the precision of the manufactured workpiece, and the mold has simple processing steps and can be used repeatedly.

[0030] The structure of the mold is two half-molds, respectively the first half-mold and the second half-mold, the first half-mold and the second half-mold have the same and corresponding connection mold surface, the first half-mold and the second half-mold The corresponding connecting mold faces of the two halves are joined to form a complete mold. This butt joint process is called mold clamping.

[0031] Since the workpiece manufactured by this mold is a precision workpiece, the mold itself is required to be well sealed so that there will be no mold leakage. Therefore, the above-mentioned first half-mold and second half-mold need to ensure the tightness between the connected mold ...

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PUM

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Abstract

The invention discloses a mold and further discloses a wax piece. An exhaust hole is formed in the mold; an exhaust plug is arranged in the exhaust hole; the exhaust hole is in threaded connection with the exhaust plug; at least one exhaust section is arranged at the periphery of the exhaust plug and is arranged in the generatrix direction of the exhaust plug; the exhaust plug is arranged behind the exhaust hole; and exhaust channels are formed between the exhaust sections of the periphery of the exhaust plug and the inner wall of the exhaust hole. The mold is provided with the exhaust hole and the exhaust plug and the exhaust channels are formed between the exhaust hole and the exhaust sections, so that gas in a mold cavity or wax liquid is discharged out of the mold under the guidance of the exhaust channels, and the quality of the wax piece is guaranteed. In addition, the exhaust hole is larger than a conventional exhaust hole; and when the exhaust hole needs to be cleaned, the exhaust plug can be detached so that the exhaust plug and the exhaust hole can be cleaned.

Description

technical field [0001] The invention relates to the technical field of investment casting, in particular to a mold, and also to a wax piece made by using the mold. Background technique [0002] Investment casting technology is widely used in the foundry industry and is a precision casting technology. [0003] The investment casting is also called the lost wax method. The lost wax method is to use wax liquid to make a wax mold of the casting, and then coat the wax mold with mud to make a mud mold. After the clay mold is dried, it is fired to make a pottery mold. Once fired, all the wax molds are melted and lost, leaving only the pottery molds. Generally, when the mud mold is made, the sprue is left, and then the copper liquid is poured into the sprue, and after cooling, the required casting can be made. [0004] Wherein, the wax mold is made by a sealed wax mold, which generally can be composed of upper and lower parts. First, wax is injected into the wax mold. After the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/02
Inventor 苏章仁
Owner SUS LAB FOR IND SCI & TECH