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Common vacuum forming machine

Blister molding machine maintenance of cleaning and the use of on the bus

by:Mengxing     2020-07-15
Blister molding machine maintenance cleaning:

1, the machine should be kept clean.

2, time to get off work table panel, clean up the table base and vacuum filter in the dust, make the vacuum pipe flow.

3, check the quartz tube working condition of electric heating plate, timely replacement of damaged quartz tube.

4, regular air source sanlian pieces from the filter in the water, in a suitable amount of lubricating oil, oil mist device listed and moderate flow rate to the oil mist.

5, remain within the vacuum pump oil level, appropriate oil level is too high, oil will overflow from vent, low vacuum degree of vacuum pump can not meet the requirements and also lead to damage of vacuum pump, vacuum pump maintenance can be found in the vacuum pump operation instruction.

with the rapid development of the traffic network, the demand of passenger cars keep adding, and at the same time, the safety of the passenger comfort request also continue to improve. The beautiful, luxury interior parts also became a senior one of the first symbol of luxury buses.

inner decoration first refers to the plastic parts and its molding technology are injection molding, blister, blow molding, extrusion, etc. Injection molding to produce high power and high precision molding of goods, but molding messy parts, but the cost of a mould in large scale by molding machine, product update slow, parts of standard constraints, therefore, is the use of injection molding on the bus first appearance plate, air-conditioning outlet clutter parts and request parts of precise cooperation. Vacuum forming mould investment cost little, appropriate large-scale parts produced, suitable replacement goods fast, but the measure accuracy is not high, low yield power. Because the bus interior is big mask is given priority to, the precision request is not high, its output is not high and passenger cars, a model is usually producing hundreds of mercy, plus clients often puts forward various requests for car interior configuration, part dimensions and appearance change, more or less attacks and blister technology with more in the passenger car inner decoration. Blow molding, extrusion molding is produce specific request of plastic parts, in the field of passenger car interior applicable scope is small.

vacuum forming according to the technical sheet can be divided into the blister and blister two soft skin. First is the acrylonitrile - blister with the data Butadiene - Styrene ( ABS) Plate, there are a few parts with organic glass ( PMMA) The plank. Bus bridge at the mercy of the plate, the top plate, back on both sides of the plate and some electrical box cover plate and other plate used ABS sheet forming. Now there is a trend that is using composite ABS instead of ABS plate, usually plate composite ABS sheet is on board with a layer of foamed pp or PVC material, together with the rolling into the grain with the skin or the board that feel like leather. Request the appearance of bright sound flat, prevent the aging body outside air grille, usually using organic glass forming. Soft skin blister technology first used in passenger car appearance on the stage, the matrix is usually a glass fiber reinforced plastic ( FRP) , suction hole in the glass fiber reinforced plastic pieces of the skin absorption, primary epidermis of the materials are PVC and foamed polypropylene ( PVC / PPF) Composite materials.

blister mould is divided into steel mold, glass fiber reinforced plastic mould, wood mold 3 kinds. Steel mold life is long, can produce more than 10000 pieces of goods, accuracy, power and money are high, long processing time, produces a certain amount and right now finalize the design of the goods. FRP mould stature is short, simple heat deformation, the highest temperature of mould can accept about under 80 ℃, but the mold production cycle is short, capital is low, suitable for small batch parts produced, usually produce 100 parts mercy from scratch repair mould. Wooden mold first is manufacture of goods or produce only a few goods, and the mould precision is the worst, taking the shortest, usually dozen products, wooden will crack or serious deformation, but the wooden capital at a low price, faster production, fixed quickly, therefore very suitable for the development of new products trial production.
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