Glass vacuum heat laminated machine is a special equipment researched by GUANGZHOU HUICHI GLASS TECHNICAL CO., LTD. It uses the vacuum bag principium under the vacuum condition to heat the laminated material and glass. The laminated glass will become strong and safe after the film melt. As well high adhesion between glassed. So they can reach the purpose of strengthening the glasses and improve penetration resistance when it is broken. .It also can be processed with insertation of silk, paper, calligraphy, painting, ultraviolet radiation unilateralism film,light adjusted film to produce many kinds of art glass or decorated glass. This equipment don’t include high pressure kettle or hot-press.
I. principle work of Machine:
⑴ works: This machine adopts the principle of vacuum bag, vacuum on the glass in the heating conditions, the EVA film to melt, and glass glued together to produce safety glass, craft glass, functional glass.
II. Basic operations:
①prepared the glass: Rubs two piece of size same glass side, specially the glass four angles must be grinded to the circular arc shape, guarded against that scratches the silicon bag, cleans the glass and air –dry. (this is very important).
②Cut EVA film and laminated (attention laminated and film should slightly be bigger than glass size). ③Gathers the piece: A glass keep flat, then puts the EVA film, the insert media, the EVA film, then puts another glass, alines the corner, cut the unnecessary part of film and laminated edge, pastes with tape four angle, for against move after the heating. (As shown bellows)
Note: The above picture just for reference
1. Before using each batch of the color EVA film ,take a small piece of sample for confirmation ,to prevent the losses cause by the goods are not consistent with the sample . With a project the user is best to use the same batch.
2. The film will receive the mild concentration unavoidably in the use process, like the membrane surface will have the trace impurity and so on. Suggested that get rid of the dusty with adhesive tape's, in order to avoid causes the nonessential losses.
When gathers the piece, the film even shop on the first floor glass, caresses the film gently with the hand or clamps lining the fold, all around alines again the upper formation glass merge, and glues fixedly with the thermostable adhesive tape, after high and low gathers, prunes the film -odd side, do not make an effort to pull the film; After the trim, the glass all around do not leave leeway the excess stock, in order to avoid in vacuum forming time the unnecessary sizing material seals up the glass edge creates the air bubble to be detained in the laminated glass, creates the abandonment. (for example has clamps the silk please to have about 2 centimeters in the glass four side reservations, in order to avoid clamps the silk heating contraction to have the second quality item
II. Put the glass into the silicon bed:
1.Put the glass in the vacuum-bag: puts the above glass in the vacuum-bag carefully, starts from the vacuum network place to place, the vacuum network must cover vacuum-bag's vent. Between the glass and the glass must approximately keep 1 centimeter gas channel to extract the air. After chocking up the glass, will close off-set side to buckle, and connect vacuum tube.
2. like the use takes away the board style edge sealing bed equipment, the vacuum network must fold to the extraction opening
3. starts the vacuum pump: Inspects the vacuum pipe coupling carefully, then start vacuum pump power source, carries on according to the preinstall procedure pulls out the vacuum, when vacuum gauge instruction after 0.95MPA scale division stable, above the hard-drawn 5 minutes, then presses start’s key to carry on the heating
III. Drawing a charge
1. pulls open the fire door, pulls out the vacuum bed, the nature or uses the fan cooling.
2. when the temperature drops to 50℃ below, then turns on the vacuum-bag to take out the glass.
3. When the rainy day or the workshop ambient humidity needs the processing machine to clean the glass, uses the dryer to bake again.
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Ms. mukial
- 86-20-36499996-831
- Building A27, huifu industrial zone, tianxin village, xicha road, 510407, guangzhou
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