CN1134870A - Method for making relief mould made of glass fiber reinforced plastic - Google Patents
Method for making relief mould made of glass fiber reinforced plastic Download PDFInfo
- Publication number
- CN1134870A CN1134870A CN 95110215 CN95110215A CN1134870A CN 1134870 A CN1134870 A CN 1134870A CN 95110215 CN95110215 CN 95110215 CN 95110215 A CN95110215 A CN 95110215A CN 1134870 A CN1134870 A CN 1134870A
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- fiber reinforced
- reinforced plastic
- glass fiber
- mould
- fiberglass
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Abstract
The mfg. process is: primary mould, glass fiber reinforced plastic negative mould, glass fiber reinforced plastic positive mould, glass fiber reinforced plastic moulder finished product. The characteristics of the process is that the glass fiber reinforced plastic mould is used as the original mould, its smooth finish and strength are all better than that of other primary moulds and that it can be used to produce large relief-scrupture products. This mould is durable and can be used for about thousand times, so that it reduces the prodn. cost.
Description
The present invention relates to ester moulding technology, belong to B29G 5/00 class, the manufacture method of fiber reinforced plastic mold.
In the prior art, the blank mould of fiber reinforced plastic mold adopts gypsum or earth to make formpiston mostly, turns over and makes fiberglass former mould, is directly used in the production of glass fiber reinforced plastics product.The mold surface finish that this technology is made is poor, and micropore is arranged, and is easy to generate bubble in the casting process, directly influences the quality of glass fiber reinforced plastics product.Have, blank mould can only can not be reused with once again, is unsuitable for producing in enormous quantities.Other has the method for making large-scale ornament materials, and blank mould is to make formpiston with aluminium, turns over and makes the fiberglass former, is mainly used in plane, straight line goods, can not make artwork ornaments.Resin is than great in the raw material composition of existing fiber reinforced plastic mold, the cost height.
The purpose of this invention is to provide a kind of manufacture method that the relief mould made of glass fiber reinforced plastic of decorative effect is arranged, be suitable for producing in batches, cost is low.
The manufacture method of relief mould made of glass fiber reinforced plastic is: blank mould → fiberglass former → fiberglass formpiston is characterized in that turning over formpiston and makes fiberglass former mould finished product.Raw material closes the mineral powder of alkyd resin and equivalent based on universal insatiable hunger, respectively account for 45～50%, curing agent 1.5～1.8%, promoter 0.75～0.9%, flexibility agent 1.85～2.5%, cured liquid 0.5～0.8%, pigment a little, be mixed into liquid material, add that be equipped with man-hour and the equiponderant glass wool cloth of above-mentioned liquid material.During the system formpiston, pour the above-mentioned liquid state material that mixes into the fiberglass former, be filled up to horizontal plane, cover glass silk cloth repeats formpiston spontaneous curing moulding No. four times.
The manufacture method of relief mould made of glass fiber reinforced plastic of the present invention, coming down to the fiberglass formpiston is blank mould, fineness and intensity all are better than general various blank moulds, and can make the heavy section raised piece, have started the precedent of glass fiber reinforced plastics product.Because material composition is preferred, strengthens the ratio of mineral powder, and, can reduce cost from two aspects continuously with thousands of times because of this mould is durable in use.This mould is suitable for the product requirement of all size, particularly big flat sheet, and long 2 meters, wide about 1.5 meters, modification also can not made the embossment that aluminium section die can not be made, and embossment can protruding 5mm～10mm height.
The manufacture method of this relief mould made of glass fiber reinforced plastic is: blank mould → fiberglass former → fiberglass formpiston → fiberglass former mould finished product is characterized in that with the fiberglass formpiston be the grand master pattern of making finished product former mould.Raw materials used is that alkyd resin is closed in insatiable hunger, as 191
#Resin, 306
#, 307
#, 45～50%, mineral powder, as fossil meal 45～50%, curing agent,,, close polyester 182 as insatiable hunger as cobalt naphthenate 0.75～0.9%, flexibility agent as peroxidating cyclic ketones 1.5～1.8%, promoter
#A little is mixed into liquid material resin, SFA24, SFA2020,1.8～2.5%, wax liquid 0.5～0.8%, pigment; And be equipped with and the equiponderant glass wool cloth of above-mentioned liquid material.
Concrete preparation method is; Blank mould: wooden or gypsum is made formpiston, polishes, is coated with remover, and blank mould is finished.In 100 parts of gel coating resins, add the look oar a little, curing agent 2～4%, promoter 2～4%, coated is brushed second time after waiting gelling to blank mould again, solidify shop, back glass wool cloth, coated fiberglass material, five times repeatedly, gross thickness is 5mm, the fiberglass former is made in the spontaneous curing moulding.The technology of system formpiston is; Pour the above-mentioned liquid state material that mixes into the fiberglass former, be filled up to horizontal plane, cover glass silk cloth, topped liquid material on glass wool cloth, with cloth cover topped fully after, add glass wool cloth again, repeat formpiston spontaneous curing moulding No. four times; At male mold surfaces coated releasing agent, repeat above-mentioned system fiberglass former technology after solidifying, make fiberglass former mould finished product at last.
Example 2: make when requiring the embossment projection to be higher than the formpiston of 5mm, need to adjust the raw material proportioning of injecting the fiberglass former.Wherein resin 191
#With resin 182
#Add up to 45～50%, two kinds of compositions accounting for total proportioning respectively account for wherein 50%.
Example 3: the operation of above-mentioned system fiberglass formpiston can also adopt another kind of method; Inject liquid material back cover glass silk cloth in the former, repeat twice, add fiberboard, about 5mm is thick, the liquid material that reinjects, and cover glass silk cloth is filled and led up also topped polyester film, is used the rubber roll rolling, the discharge bubble with liquid material at last.This method for making can increase die bottom plate intensity, reduce cost, and is specially adapted to the making of large-sized sheet material mould.
Claims (4)
1, a kind of manufacture method of relief mould made of glass fiber reinforced plastic, operation are blank mould → fiberglass former → fiberglass formpistons, it is characterized in that turning over formpiston making fiberglass former mould finished product; Raw materials usedly close the mineral powder of alkyd resin and equivalent, account for 45～50%, curing agent 1.5～1.8% based on universal insatiable hunger, promoter 0.75～0.9%, flexibility agent 1.85～2.5%, cured liquid 0.5～0.8%, pigment a little, add that be equipped with man-hour and the equiponderant glass wool cloth of above-mentioned liquid material.
2, according to the manufacture method of the described relief mould made of glass fiber reinforced plastic of claim 1, when it is characterized in that making formpiston, pour the above-mentioned liquid state material that mixes into the fiberglass former, be filled up to horizontal plane, cover glass silk cloth repeats formpiston spontaneous curing moulding No. four times.
3,, it is characterized in that the operation of making above-mentioned fiberglass formpiston can also be according to the manufacture method of the described relief mould made of glass fiber reinforced plastic of claim 1; Inject liquid material back cover glass silk cloth in former, repeat twice, add fiberboard, about 5mm is thick, the liquid material that reinjects, and cover glass silk cloth is filled and led up and topped polyester film with liquid material at last.
4, according to the manufacture method of the described relief mould made of glass fiber reinforced plastic of claim 1, it is characterized in that when manufacturing requires the embossment projection to be higher than the formpiston of 5mm, need to adjust the raw material proportioning of injecting the fiberglass former; Wherein resin 191
#With resin 182
#Add up to 45～50%, two kinds of compositions accounting for total proportioning respectively account for wherein 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95110215 CN1134870A (en) | 1995-05-04 | 1995-05-04 | Method for making relief mould made of glass fiber reinforced plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95110215 CN1134870A (en) | 1995-05-04 | 1995-05-04 | Method for making relief mould made of glass fiber reinforced plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1134870A true CN1134870A (en) | 1996-11-06 |
Family
ID=5077623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95110215 Pending CN1134870A (en) | 1995-05-04 | 1995-05-04 | Method for making relief mould made of glass fiber reinforced plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1134870A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149243A (en) * | 2014-06-13 | 2014-11-19 | 重庆贝雅艺术品有限公司 | Method for manufacturing mold shell of finished painting frame and finished painting frame manufactured by utilizing mold shell |
-
1995
- 1995-05-04 CN CN 95110215 patent/CN1134870A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149243A (en) * | 2014-06-13 | 2014-11-19 | 重庆贝雅艺术品有限公司 | Method for manufacturing mold shell of finished painting frame and finished painting frame manufactured by utilizing mold shell |
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