CN101392392A

CN101392392A - Rigid pure gold ornamental article processing technology

Info

Publication number: CN101392392A
Application number: CNA2008101580174A
Authority: CN
Inventors: 郭松庆; 曾秋红
Original assignee: SHANDONG ZHAOJIN WANZUJIN BIJOU CO Ltd
Current assignee: SHANDONG ZHAOJIN WANZUJIN BIJOU CO Ltd
Priority date: 2008-10-22
Filing date: 2008-10-22
Publication date: 2009-03-25
Also published as: US20100096272A1

Abstract

The invention relates to a processing technology of hard gold ornaments with the purity of 99.999 percent, the processing technology consists of the following steps of: wax plate carving, wax mold opening, wax connecting, wax repairing, oiling, gold plating, wax removing and quality inspection. The technique differs from the prior art of gold plating in that: LJJAS auxiliary agent is added into an electrolyte; the electroforming temperature is 50 to 60 DEG C, the electroforming speed is 0.05g/h, the pH value of the plating solution is between 7.0 and 70.5. Therefore, the gilt produced by the technology has the advantages of uniform distribution, strong covering capability, thin plating layer, short molding time, large volume, small weight, and high hardness, and is especially applicable for the gold ornament processing industry.

Description

Rigid pure gold ornamental article processing technology

Technical field

The present invention relates to a kind of complete processing of gold, be meant a kind of rigid pure gold ornamental article processing technology especially.

Background technology

Along with modern industry and high-tech development, the scope and the pattern of the jewelry of making of gold, ornaments, goods of furniture for display rather than for use are constantly widened in-depth, people require more and more higher to the quality of gold ornament, outward appearance, volume etc., in ornamental article processing technology, the electricity gold process is a critical stage, in the present electric gold process, because the problems such as working temperature of the gold content in the plating bath, the pH value in the plating bath, plating bath, cause gold-plated skewness, molding time is long, thickness is big, the bright matte of polarisation often occurs, and small product size is little, weight is big, hardness is low.

Summary of the invention

Purpose of the present invention will provide exactly and can make that the gold-plated promulgation of proof gold ornaments is even, covering power is strong, coating is thin, molding time is short, the rigid pure gold ornamental article processing technology that volume is big, in light weight, hardness is high.

The object of the present invention is achieved like this: a kind of rigid pure gold ornamental article processing technology, by carving mimeograph stencil, the mould that comes unglued, grafting wax, repair wax, oil, electricity gold, paraffin removal, quality inspection form, it is characterized in that being: in electrolytic solution, add LJJAS and help mixture with described electric gold process, the electroforming temperature is 50-60 degree, electroforming velocity is 0.05g/h, and the plating bath pH value is 7.0-7.5.

An optimum implementation of the present invention is: LJJAS helps the component content ratio of mixture: golden salt 65-75%, antimony 0.02-0.04%, oxalic acid 24-28%, silver, copper 3.8-4.0%.

The present invention compared with prior art has following advantage:

Help mixture owing to added LJJAS in the electricity gold stage, the electroforming temperature is controlled at 50-60 degree, electroforming velocity is 0.05g/h, the plating bath pH value is 7.0-7.5, this is just to gold content in the gold electroforming process plating bath, pH value in the plating bath, the working temperature of plating bath, the maintenance magnitude of recruitment of plating bath and the agitation speed of plating bath are improved, solve the undesirable and instability of cast(ing) surface matte coating effect that existing gold electroforming process exists, bright matte of polarisation and skewness often appear, the technical deficiency that covering power is on the weak side, make product have the hardness height of gold product, the good rigidly of gold product, the hollow gold product of producing, the gold thickness of coating can reduce, reduce drain of gold and improve gold cast(ing) surface coating effect and uniform distribution, thereby, gold-plated being evenly distributed, covering power is strong, coating is thin, molding time is short, and volume is big, in light weight, the hardness height.

Embodiment

The present invention specifically may further comprise the steps:

1, carving mimeograph stencil

Require to make mock-up with wax mud according to drawing, require to accomplish svelteness, clearly demarcated, product is meticulous, ratio is suitable;

2, the mould that comes unglued

After covering the mock-up top layer with silica gel, place and make its seasoning, be rubber moulding, at last mock-up is taken out from rubber moulding, work in-process requires surface layer smooth, and seam is smooth;

3, grafting wax

In rubber moulding, inject liquid wax, require to fill with, do not have the space in the rubber moulding,, become solid wax until solidifying, after peel off rubber moulding, be wax spare;

4, repair wax

With repairing wax crayon wax spare surface is repaired, require to choose carefully, guarantee that the wax spare of fixing is consistent with master;

5, oil.

Coat silver oil on wax spare top layer, require the good product of oil situations such as grain, leakage of oil can not occur, require like product wax outlet size consistent, visual appearance;

6, electricity gold

Help mixture to put into the electroforming cylinder LJJAS, mix with electrolytic solution, produce chemical reaction, make the pH value of electrolytic solution be adjusted into 7.0-7.5, rerun the electroforming cylinder, the electroforming cylinder temperature brought up to 50-60 degree, after the wax spare that oils put into the electroforming cylinder carry out electroforming, electroforming velocity is 0.05g/h, until moulding;

7, paraffin removal

The golden good product of electricity is put into the high-temperature steam stove, by high-temperature steam the fusing of the wax liquid in the golden good product of electricity is discharged from wax outlet, the product the inside that requirement has removed behind the wax must not have residual wax;

8, quality inspection.

Check that product has or not breakage, the top layer is inhomogeneous or particulate matter etc. is arranged, qualified product dispatch from the factory.

Claims

1, a kind of rigid pure gold ornamental article processing technology, by carving mimeograph stencil, the mould that comes unglued, grafting wax, repair wax, oil, electricity gold, paraffin removal, quality inspection form, it is characterized in that being: in electrolytic solution, add LJJAS and help mixture with described electric gold process, the electroforming temperature is 50-60 degree, electroforming velocity is 0.05g/h, and the plating bath pH value is 7.0-7.5.

2, rigid pure gold ornamental article processing technology according to claim 1 is characterized in that described LJJAS helps the component content ratio of mixture: golden salt 65-75%, antimony 0.02-0.04%, oxalic acid 24-28%, silver, copper 3.8-4.0%.