SU240228A1 - - Google Patents
Info
- Publication number
- SU240228A1 SU240228A1 SU1162324A SU1162324A SU240228A1 SU 240228 A1 SU240228 A1 SU 240228A1 SU 1162324 A SU1162324 A SU 1162324A SU 1162324 A SU1162324 A SU 1162324A SU 240228 A1 SU240228 A1 SU 240228A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- layer
- punch
- matrix
- product
- wax
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004635 Polyester fiberglass Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Description
СПОСОБ ИЗГОТОВЛЕНИЯ ИЗДЕЛИЙ ИЗ СТЕКЛОПЛАСТИКОВMETHOD OF MANUFACTURING PRODUCTS FROM GLASS-PLASTICS
Известны способы изготовлени изделий из стеклопластиков, включающие операции помещени материала в пресформу, прессовани и извлечени издели .Methods are known for the manufacture of articles of fiberglass, including the steps of placing the material in the mold, pressing and removing the product.
Извлечение издели из прессформ требует дополнительното времени и специальных приспособлений , что значительно усложн ет способ изготовлени изделий.Removing the product from the molds requires additional time and special tools, which greatly complicates the method of manufacturing products.
Извлечение изделий с помощью сжатого(воздуха не пригодно дл съема изделий из полиэфирного стеклопластика, так как последний имеет незначительную усадку при охлаждении .Extraction of products using compressed (air is not suitable for removal of products from polyester fiberglass, as the latter has a slight shrinkage during cooling.
Дл упрощени способа предлагаетс на несовпадающие участки матри цы и пуансона наносить слой воска, а затем всю поверхность пуансона и 1матрицы покрывать слоем поливинилового спирта.In order to simplify the process, it is proposed to apply a layer of wax on the non-coinciding areas of the matrix and the punch, and then cover the entire surface of the punch and the matrix with a layer of polyvinyl alcohol.
На фиг. 1 пОКазано нанесение слоев воска и поливинилового спирта на пуансон и .матрицу; на фиг. 2 - извлечение издели s начальный момент раскрыти прессформы; на фиг. 3 - положение издели в момент полного раскрыти прессформы.FIG. 1 POKAZANO applying a layer of wax and polyvinyl alcohol on the punch and the matrix; in fig. 2 - removing the product s the initial moment of opening the mold; in fig. 3 - the position of the product at the time of full disclosure of the mold.
На предварительно подготовленную поверхность нанос т разделительный слой, представл ющий собой комбинацию пленок на основеA release layer is applied to the pre-prepared surface, which is a combination of films based on
растворов воска и поливинилового спирта. При этом одним слоем / и 2 раствора воска покрывают матрицу 5 от а до О, а пуансон 4-соответственно от б до О. Затем всю рабочую поверхность прессформы, подогретую до температуры 25-35°С, покрывают двум сло ми 5 и 6 раствора поливинилового спИ|рта. После этого в матрицу 3 укладывают стеклонаполнптель и подают св зующее, затем опускают пуансон 4, и при температуре 60-70° св зующее полимеризуетс .solutions of wax and polyvinyl alcohol. At the same time, one layer / and 2 wax solutions cover the matrix 5 from a to O, and the punch 4, respectively, from B to O. Then the entire working surface of the mold, heated to a temperature of 25-35 ° C, is covered with two layers 5 and 6 of the solution polyvinyl spi | mouth. After that, the glass-filler is laid into the matrix 3 and the binder is fed, then the plunger 4 is lowered, and at 60-70 ° C, the binder is polymerized.
В процессе полимеризации слой 1 w. 2 воска подплавл етс , и в местах его нанесени резко уменьшаетс адгези издели к оснастке. ВIn the process of polymerization layer 1 w. The wax 2 is melted down and at the places of its application the adhesion of the product to the tooling is sharply reduced. AT
результате этого в момент размыкани прессформы возникает пара сил (Pj и Ро), котора отрывает изделие от матрицы и пуансона.As a result, at the moment of uncoupling the mold, a pair of forces (Pj and Ro) occurs, which separates the product from the die and the punch.
Предмет изобретени Subject invention
Способ изготовлени изделий из стеклопластиков , включающий операции помещени материала в прессформу, прессовани и извлечени издели , отличающийс тем, что, с целью упрощени способа, на несовпадающие участки матрицы и пуансона нанос т слой воска, а затем всю поверхность пуансона и матрицы покрывают слоем поливинилового спиртаA method of manufacturing products from fiberglass plastics, including the steps of placing the material in a mold, pressing and removing the product, characterized in that, in order to simplify the method, a layer of wax is applied to the uneven areas of the matrix and the punch, and then the entire surface of the punch and the matrix is covered with a layer of polyvinyl alcohol
иг. Iig. I
Publications (1)
Publication Number | Publication Date |
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SU240228A1 true SU240228A1 (en) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2528840C1 (en) * | 2013-07-16 | 2014-09-20 | ООО "ЛПСервис" | Method to manufacture fibre glass items with low value of surface electric resistance |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2528840C1 (en) * | 2013-07-16 | 2014-09-20 | ООО "ЛПСервис" | Method to manufacture fibre glass items with low value of surface electric resistance |
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