Casting shape adjustment method and wax pattern mold set for adjusting casting shape
An adjustment method and technology of wax molds, which are applied in the field of casting shape adjustment and wax mold mold sets for adjusting the shape of castings, can solve the problems of large waste of manpower and material resources, long mold design and production cycle, and low efficiency of casting shape adjustment, etc., and achieve reduction Labor intensity, save manpower and material costs, and the effect of compact structure
Active Publication Date: 2020-12-18
CHINA HANGFA SOUTH IND CO LTD
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Problems solved by technology
[0004] The invention provides a method for adjusting the shape of castings and a wax mold set for adjusting the shape of castings, so as to solve the problems of increased mold manufacturing cost, long mold design and manufacturing cycle, and efficiency of casting shape adjustment in the prior art when adjusting the shape of castings. Technical problems such as low labor intensity, high labor intensity, large waste of manpower and material resources, and easy expansion of the mold shell during dewaxing
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[0028]The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in a variety of different ways defined and covered by the claims.
[0029]ReferenceFigure 1 to Figure 4 A preferred embodiment of the present invention provides a method for adjusting the shape of a casting, which includes the following steps:
[0030]According to the shape of the modified casting to be obtained, a structural diagram of the modified wax model entity 30 for forming the modified casting is obtained.
[0031]The structural diagram of the modified wax model entity 30 and the structural diagram of the basic wax model entity 40 before modification are calculated to obtain the structural diagram of the subsidy 20.
[0032]The subsidy 20 is fired according to the structure drawing of the subsidy 20, and the fired subsidy 20 is attached to the position where the shape of the existing wax mold needs to be adjusted.
[003...
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The invention discloses a casting shape adjustment method and a wax pattern mould group for adjusting the shape of a casting. The casting shape adjustment method comprises the following steps that a structural drawing of a modified wax pattern entity for a forming modified casting is obtained according to the shape of a modified casting required to be obtained; the difference between the structural drawing of the modified wax pattern entity and a basic wax pattern entity before being modified is determined, and a structural drawing of a patch is obtained; the patch is fired according to the structural drawing of the patch, and the fired patch is tightly attached to the position where an existing wax pattern mould is required to carry out shape adjustment; the modified wax pattern entity ispressed by utilizing the wax pattern mould attached by the patch; and the patch compressed on the modified wax pattern entity is taken out, and the modified casting is obtained by utilizing the modified wax pattern entity. With the adoption of the casting shape adjustment method, the manufacturing cost of the mould can be reduced substantially, the designing and manufacturing cycle of the mould is short, the adjustment efficiency of the shape of the casting is high, the labor intensity of a worker is reduced, and the manpower and material costs are reduced.
Description
Technical field[0001]The invention relates to the field of precision casting, in particular, to a method for adjusting the shape of a casting. In addition, the present invention also relates to a wax mold mold set for adjusting the shape of the casting.Background technique[0002]Investment casting, also known as investment casting, is a near-net-shape advanced technology that can produce precision and complex castings close to the final shape of the part. The castings can be used without processing or with little processing. In existing production, it is often necessary to adjust the shape of existing castings, such as adjusting the chamfers, inner and outer surfaces of the casting, or processing concave holes, grooves, and notches on the inner and outer surfaces of the casting.[0003]In the prior art, when it is necessary to adjust the shape of an existing casting, two methods are mainly adopted. One is to remake the wax mold according to the content of the casting to be adjusted, wh...
Claims
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IPC IPC(8): B22C7/02
CPCB22C7/02
Inventor 艾三英袁秀妹杨重乐政罗嗣福邹震钟文惠胡啸陈雅唐双双胡玥张丽
Owner CHINA HANGFA SOUTH IND CO LTD