CN101279465B - Method for molding precasting type reinforced gypsum sheet material - Google Patents
Method for molding precasting type reinforced gypsum sheet material Download PDFInfo
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- CN101279465B CN101279465B CN2008100375261A CN200810037526A CN101279465B CN 101279465 B CN101279465 B CN 101279465B CN 2008100375261 A CN2008100375261 A CN 2008100375261A CN 200810037526 A CN200810037526 A CN 200810037526A CN 101279465 B CN101279465 B CN 101279465B
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- type reinforced
- sheet material
- wax
- reinforced gypsum
- gypsum sheet
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Abstract
The invention discloses a method for forming a precast type reinforced gypsum plate, which includes the following steps that: the data about the reverse mould shape of the needed precast type reinforced gypsum plate is obtained through the computer aided design software and converted into the data for computer aided processing software; then wax used as raw materials is made into a waxing die in the computer aided production method; the gypsum slurry and reinforced fiber raw materials are cast into the obtained waxing die and the needed precast type reinforced gypsum plate can be obtained by demoulding after the gypsum is solidified. The method can be used for preparing the precast type glass fiber reinforced gypsum (GR. G) plate, has high precision, is characterized by recycling of the wax without generating waste difficult to be recycled, and is environmentally friendly.
Description
Technical field
The present invention relates to building material field, be specially a kind of forming method of building precasting type reinforced gypsum sheet material.
Background technology
Gypsum and improvement gypsum as fiber reinforcement gypsum, are the construction materials of using always.
Precasting type reinforced gypsum sheet material, especially precasting type glass fibre enhancing gypsum (G.R.G) sheet material is to have high strength and good flame retardancy, do not absorb water, compliance with environmental protection requirements can be applicable to furred ceiling, interior wall, Bao Zhu, light trough, chooses edge and professional furred ceiling etc. simultaneously.
The forming method that precasting type reinforced gypsum sheet material is general is:
Simple moulding can directly be made reversing mould with timber, again with raw material injection mouldings such as gypsum, fortifying fibres.
The timber analogue formation is then used in complicated moulding earlier, utilizes wooden formpiston to turn over the system fiber reinforced plastic mold; In fiber reinforced plastic mold, inject material forming again.
More than two kinds of forming methods, all need to use timber and make mould or holotype, need expend a large amount of timber, can't reclaim; And fiberglass also is irretrievable material, is difficult to handle, and can have a negative impact to environment.In a word, present precast type enhancing gypsum moulding process causes certain waste of material and pollution to meeting.
Summary of the invention
The present invention aims to provide a kind of forming method of environment amenable precasting type reinforced gypsum sheet material.
Wax is the not high material of a kind of melt temperature, is solid-state under the normal temperature and has certain intensity and plasticity, is easy to processing, is commonly used to make wax-pattern in moulding process, is applied to technologies such as investment wax casting method.The present invention adopts wax as mold materials, is specially:
(1) utilize computer aided design software, the shape of design precasting type reinforced gypsum sheet material obtains its reverse mould shape data again; Perhaps utilize computer aided design software directly to obtain the reverse mould shape data of required precasting type reinforced gypsum sheet material;
(2) the reverse mould shape data of precasting type reinforced gypsum sheet material in the step (1) being converted to the data of area of computer aided machining software, is raw material with the wax base, with the method for computer-aided manufacturing, processing and fabricating wax molding jig;
(3) gypsum raw material of in the wax molding jig that obtains, casting, treat gypsum sets after the demoulding promptly obtain required precasting type reinforced gypsum sheet material.
Employed wax is preferably melting range at 45-70 ℃ industrial wax.Melting range band 50-60 ℃ industrial wax more preferably is as middle temperature casting wax.
Gypsum raw material in the step (3), its composition comprises calcium plaster and fortifying fibre.Fortifying fibre is preferably fiberglass reinforcement.
The wax molding jig can use 10 times repeatedly at least, and can the fusion recovery also process use once more after the cooled and solidified.
The present invention utilizes the material of wax as mould, and preparation precasting type reinforced gypsum sheet material, especially precasting type glass fibre strengthen gypsum (G.R.G) sheet material; The melt temperature of wax is low, be easy to processing, can be recycled, and it is few and do not have the waste material that can't recycle to expend the energy, can not have a negative impact to environment.Appliance computer Autocad (CAD) and computer-aided manufacturing software (CAM) processing mold, speed is fast, can enhance productivity.Also can make various customed products, the precision height, error is less than 1mm, and reliable product quality is applicable to multiple complex model.
The specific embodiment
Draw and design the moulding of precasting type reinforced gypsum sheet material with Pro-Engineer software, and obtain the moulding of its reverse mould, carry out modeling and form removal, programme with MasterCam again.
Programming data is imported multi-functional machining center (CNC), the wax base is processed into the wax molding jig; The wax that adopts is middle temperature casting wax.
By existing method, casting calcium plaster and fiberglass reinforcement raw material in the wax molding jig that obtains treat after the gypsum sets that the demoulding promptly obtains required precasting type glass fibre and strengthens gypsum (G.R.G) sheet material.
After using 10-15 time wax molding jig heating and melting is reclaimed, be made as the wax base and reuse.
Claims (5)
1. the forming method of a precasting type reinforced gypsum sheet material is characterized in that, comprises the steps:
(1) utilize computer aided design software, the shape of design precasting type reinforced gypsum sheet material obtains its reverse mould shape data again; Perhaps utilize computer aided design software directly to obtain the reverse mould shape data of required precasting type reinforced gypsum sheet material;
(2) the reverse mould shape data of precasting type reinforced gypsum sheet material in the step (1) being converted to the data of area of computer aided machining software, is raw material with the wax base, with the method for computer-aided manufacturing, processing and fabricating wax molding jig;
(3) gypsum raw material of in the wax molding jig that obtains, casting, treat gypsum sets after the demoulding promptly obtain required precasting type reinforced gypsum sheet material.
2. the forming method of the described a kind of precasting type reinforced gypsum sheet material of claim 1 is characterized in that, described wax is casting wax.
3. the forming method of claim 1 or 2 described a kind of precasting type reinforced gypsum sheet materials is characterized in that, described wax is middle temperature casting wax.
4. the forming method of the described a kind of precasting type reinforced gypsum sheet material of claim 1 is characterized in that, described raw material comprises calcium plaster and fortifying fibre.
5. the forming method of the described a kind of precasting type reinforced gypsum sheet material of claim 4 is characterized in that, described fortifying fibre is a fiberglass reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100375261A CN101279465B (en) | 2008-05-16 | 2008-05-16 | Method for molding precasting type reinforced gypsum sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100375261A CN101279465B (en) | 2008-05-16 | 2008-05-16 | Method for molding precasting type reinforced gypsum sheet material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101279465A CN101279465A (en) | 2008-10-08 |
| CN101279465B true CN101279465B (en) | 2010-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100375261A Expired - Fee Related CN101279465B (en) | 2008-05-16 | 2008-05-16 | Method for molding precasting type reinforced gypsum sheet material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101279465B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480796A (en) * | 2019-09-04 | 2019-11-22 | 王文栋 | The forming method of concreting mold |
| CN112873900A (en) * | 2020-12-28 | 2021-06-01 | 恒豪国际贸易（上海）有限公司 | Processing technology of E-GRP material plate applying GRG die |
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2008
- 2008-05-16 CN CN2008100375261A patent/CN101279465B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101279465A (en) | 2008-10-08 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 |