CN101314177A - Stainless steel water meter casing structural design and casing split model, unit cast process - Google Patents
Stainless steel water meter casing structural design and casing split model, unit cast process Download PDFInfo
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- CN101314177A CN101314177A CNA2007101058014A CN200710105801A CN101314177A CN 101314177 A CN101314177 A CN 101314177A CN A2007101058014 A CNA2007101058014 A CN A2007101058014A CN 200710105801 A CN200710105801 A CN 200710105801A CN 101314177 A CN101314177 A CN 101314177A
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- water meter
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Abstract
The invention discloses a structural design for a stainless steel water meter shell and a split molding whole casting process for the shell, belonging to the stainless steel silica sol investment casting technical field. The stainless steel water meter shell adopts the structural design which is different from other water meter shells, and adopts a shell-making method which is different from the prior investment casting process at the same time. The shell has a reasonable structure, novel style, smooth transition at each corner, no dead corners, no thermal junctions, and easy casting forming. The molding process and the technical proposal are characterized in that: the shell is subject to spilt molding (wax patterns), then the two wax patterns are combined into a whole, and then the casting of the water meter shell is finished through working procedures such as assembling, washing, paste adhesion, shell making, dewaxing, roasting, cast molding and so on. The process technology is mainly characterized in that: the whole wax molding usually adopted by the investment casting industry is changed into two wax patterns which are then combined into a whole wax pattern, and the mold core casting is not performed.
Description
One, technical field:
Watchcase split moulding of Ludox solvent casting stainless steel water and technique for integral casting.
Two, technical background; For a long time, the water meter case material of state, inside and outside production and use all is grey cast-iron or T62 brass casting.Corrosion all can take place, water quality is polluted, human body is worked the mischief in these two kinds of materials, does not meet environmental requirement.
And the stainless steel water watchcase, non-corrosive, pollution-free, long service life, harmless, compliance with environmental protection requirements.
For these reasons, I am since the development work of in May, 2004 stainless steel water watchcase.Stainless steel water meter foundry engieering and technology are different with the foundry engieering and the technology of grey cast-iron and brass material, need produce with Ludox solvent casting technology and special process, and its structural design is different with general part again with construction technology.I succeed in developing the ripe stainless steel water meter casing structural design of a cover finally and divide figure modelling, integral casting process technology by concentrating on studies in the past few years, repetition test.
Three, summary of the invention:
1, water gauge shell structure designing requirement wall thickness evenly, no thermojunction, corner requirement rounding off (seeing accompanying drawing), the housing that casts out does not like this have casting flaws such as shrinkage porosite, pore, the design's structure is just meeting this requirement.
2, adopting process:
(1, the water meter case dimidiation is made wax spare mould, again two halves wax spare is combined into one;
(2, through group tree: scattered wax spare is formed aggregate, is convenient to down several procedures operations.
(3, be stained with slurry: the mixed serum that wax tree is stained with Ludox and raw materials such as zirconium powder, zircon sand.
(4, the system shell: make and form the housing that the multilayer shell is formed with certain intensity outside the wax spare through repeatedly being stained with slurry.
(5, the dewaxing: through high-temperature steam the wax-pattern in the housing is taken off.
(6, roasting: make it firmer through high-temperature roasting shell.
(7, cast molding: after composition configures in accordance with regulations with the stainless steel raw material, be heated to the uniform temperature cast molding.
(8, back arrangement: through shake shell, cutting, attrition process, check.
(9, ball blast (sandblast); Make its no sand, do not have dirt, smooth surface through shot-blasting machine, sand-blasting machine processing.
(10, pickling: handle through the acid solution of particular arrangement.
(11, machining: press figure paper conversion.
(12, through operations such as brightness heat treatment, electrobrightenings, make finished product.
3, water meter shell metallographic structure crystallization exquisiteness, no casting flaw, smooth surface, beautiful, the easy cleaning of profile, non-corroding, pollution-free, the low cost of manufacture that adopts this technology to make.
Four, description of drawings:
Can obviously see its design feature from accompanying drawing: transition slyness, wall thickness are even, advanced design (seeing accompanying drawing 1,2), and can find out branch figure modelling, (seeing accompanying drawing 3,4 wax spare figure) cast-in-block characteristics (seeing accompanying drawing 5).The water meter shell finished product that accompanying drawing 6 is made for split shape integral casting method.
Five, the specific embodiment:
13,20,32,40,50 millimeters civilian, water for industrial use watchcase drawings and matching die have been designed according to for many years result of study, work out the water meter shell and divided figure modelling, monoblock cast manufacturing process file, trained the relevant technologies workman, and begun to drop into batch process in the prosperous remittance hot investment casting of Cangzhou City Co., Ltd.
Claims (4)
1, stainless steel water meter casing structural design and housing divide the technical characterictic of figure modelling, integral casting process:
The housing design wall thickness evenly, corner rounding off, no dead angle, no thermojunction, pattern novelty, be easy to casting.
2, adopt housing to divide figure modelling, integral casting process, no core, easy-formation, easily level, work efficiency height, low cost of manufacture.
3, water meter shell (containing 13,20,25,32,40,50 millimeters all size water meter cases) external form and structural design.
4, water meter case divides figure modelling, integral casting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101058014A CN101314177A (en) | 2007-05-31 | 2007-05-31 | Stainless steel water meter casing structural design and casing split model, unit cast process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101058014A CN101314177A (en) | 2007-05-31 | 2007-05-31 | Stainless steel water meter casing structural design and casing split model, unit cast process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101314177A true CN101314177A (en) | 2008-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101058014A Pending CN101314177A (en) | 2007-05-31 | 2007-05-31 | Stainless steel water meter casing structural design and casing split model, unit cast process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101314177A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260775A (en) * | 2011-06-10 | 2011-11-30 | 苏州华亚电讯设备有限公司 | Treatment method of stainless steel surface |
| CN102433512A (en) * | 2011-12-03 | 2012-05-02 | 江苏欧玛机械有限公司 | High-intensity lifting tool head for buildings |
| CN105215276A (en) * | 2015-10-30 | 2016-01-06 | 鹰普（中国）有限公司 | A kind of ceramic core investment casting method |
| CN108917872A (en) * | 2018-07-23 | 2018-11-30 | 浙江优立普计量科技有限公司 | Stainless steel water watch shell blank and processing method, stainless steel water watch shell and water meter |
| CN110090923A (en) * | 2019-05-22 | 2019-08-06 | 惠州市惠阳广杰五金制品有限公司 | A kind of handware casting technique |
-
2007
- 2007-05-31 CN CNA2007101058014A patent/CN101314177A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260775A (en) * | 2011-06-10 | 2011-11-30 | 苏州华亚电讯设备有限公司 | Treatment method of stainless steel surface |
| CN102433512A (en) * | 2011-12-03 | 2012-05-02 | 江苏欧玛机械有限公司 | High-intensity lifting tool head for buildings |
| CN105215276A (en) * | 2015-10-30 | 2016-01-06 | 鹰普（中国）有限公司 | A kind of ceramic core investment casting method |
| CN108917872A (en) * | 2018-07-23 | 2018-11-30 | 浙江优立普计量科技有限公司 | Stainless steel water watch shell blank and processing method, stainless steel water watch shell and water meter |
| CN110090923A (en) * | 2019-05-22 | 2019-08-06 | 惠州市惠阳广杰五金制品有限公司 | A kind of handware casting technique |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081203 |