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Vacuum forming is used in automobile
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Vacuum forming is used in automobile

  • Categories:Company news
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  • Time of issue:2022-04-26 17:44
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Vacuum forming is used in automobile

(Summary description)With the rapid development of traffic network, the demand for passenger cars is increasing, and the requirement for safety and comfort of passenger cars is also increasing.The beautiful and luxurious

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2022-04-26 17:44
  • Views:
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With the rapid development of traffic network, the demand for passenger cars is increasing, and the requirement for safety and comfort of passenger cars is also increasing.The beautiful and luxurious interior decoration has become one of the important symbols of luxury passenger cars. Interior decoration mainly refers to plastic parts, whose molding process includes injection molding, blister, blow molding, extrusion and so on.Injection molding production efficiency is high, the molding products of high precision, but molding complex parts, but the cost of a mold into large, slow product updates, parts size is limited by the specifications of the machine, therefore, injection molding application in passenger car is primarily a dashboard, complex parts such as air-conditioning outlet, and requires a precise matching parts.Blister molding mold investment cost is small, suitable for large size parts production, suitable for fast replacement of products, but size accuracy is not high, low production efficiency.Covering parts is given priority to, because of the large bus and coach interior is accuracy is not high, and the output of the bus itself is not high, a model of several hundred or so commonly, plus customers often put forward various requirements of car interior configuration, parts size and appearance is changed more or less, so the blister process with more in the passenger car inner decoration.Blow molding and extrusion molding are all plastic parts with specific requirements, which are less applicable in the field of bus interior decoration. Blister molding can be divided into sheet blister and soft skin blister according to the process.Blister materials are mainly acrylonitrile-butadiene-styrene (ABS) plate, a small part of the parts with plexiglass (PMMA) plate.ABS plate is used for the inner plate, top inner plate, rear inner plate, some electrical box cover plate and other cover plates on the left and right sides of the bus cab.Still have a kind of trend to replace general ABS plank with compound ABS plank now, compound ABS plank adds the polypropylene of a foaming layer or polyvinyl chloride material on plank namely, roll together the plank that presses belt leather grain or feel resembles dermis.The requirement is transparent the stereo cover plate of instrument table, the requirement is the breathable grille outside the body that prevents ageing, what use commonly is plexiglass to form.The soft skin blister process is mainly used in bus instrument table, the base is usually FRP, and the suction hole is opened on the surface of FRP, the skin is mainly made of polyvinyl chloride and foamed polypropylene (PVC/PPF) composite material. Now the inner plate of passenger car is taken as an example to describe the process of the blister.The size of the part is 1200mm×1000mm×250mm, and the ABS plate used is 1400mm×1200mm×4mm.First of all to confirm the color of the board leather grain, because the color of the interior decoration and leather grain is very important, the passengers first feel the car environment.See if the plate from the packaging bag just opened, if not, the plate also need to be placed in the drying room drying.Because if the plate wet, in the heating will make the plate surface bubbles, appearance quality deterioration, serious will also make the plate in the molding process.At the same time, the mold is installed on the plasticizer, the position and pressure frame are adjusted, and the rising process and time of the mold are pre-set;The top of the mould should not exceed the working platform of the plasticizer, and then the mould should be heated to about 60℃.Plate on the automatic feeding device, the machine to the plate to the working table of the blister machine (if there is no this mechanism will be manually put the plate on the working table), pressure frame from the top down the plate pressure.Then the heating mechanism is moved to the upper part of the table to heat the plate, which is generally heated to about 120℃ for 2~3 minutes.If it is an advanced equipment, it can also set the regional temperature of the heater, and increase the heating temperature where the stretching is large.After heating, the heating mechanism is removed and the mold starts to move upward.In order to prevent the mold in the rising process of early contact with the plate, so that the parts produced traces, before the mold rose to meet the plate, blow air from the mold suction hole, blowing the plate up.Mold continues to rise, rise to the required position, stop rising, began to inhale, inhalation pressure is generally 0.6~0.9 atmosphere, the specific thickness and performance of the plate.Inspiratory time is very fast, it is a few seconds commonly, cool next make an account of 2 minutes, the negative pressure that should maintain true empty box in cooling process cannot drop too severe, lest appear board rebound, cause dimension to forbid, best negative pressure drops do not exceed 20% of inspiratory pressure formerly.Air cooling is the main way of cooling, some in order to improve production efficiency, also use water spray cooling.After cooling is demoulding, for the automatic plasticizer is the mold drop, from the workpiece, the demoulding slope has certain requirements, otherwise the demoulding is not smooth will pull the parts broken.And then you go up and you take the parts out.At this point, the blister molding process is complete.But for the complete parts, still need to shape out of the workpiece edge cutting and assembly processing.Edge-cutting can be done manually or by 3d CNC milling.The application of blister molding in passenger cars is becoming more and more mature.Shenzhen yamexin plastic co., LTD. Is a professional automobile thick plate blister development, mold, injection molding, blister, mass production of comprehensive company, is committed to casting high-quality medical shell enterprises.Main products are medical cases, medical cases, hand plate proofing, mold and injection molding and blister.Company was founded more than ten years, there are two sets of six axis CNC machining products, Taiwan imported 1890 CNC aluminum mold manufacturing machine two. Thick slices, thick plate molding machine 15 units, 23 CNC engraving machines, laser machine two units, computer film leveling machine, slicing machine, cutting machine 5. High frequency heat capacity machine, fuel injection department, 1500 square, 1000 square screen printing department, the plastic planks department 1000 square. Acrylic craft products 1500 square etc imported advanced production equipment, specializing in the production of thick... Small vacuum forming.Acrylic products, plastic display frame and other modern manufacturing enterprises.Professional refrigerator inner blister, thick plate blister, double sheet blister, vacuum blister, plastic tray, acrylic display frame and other production and manufacturing, welcome new and old customers to order.

 

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Vacuum forming is used in automobile
With the rapid development of traffic network, the demand for passenger cars is increasing, and the requirement for safety and comfort of passenger cars is also increasing.The beautiful and luxurious interior decoration has become one of the important symbols of luxury passenger cars. Interior decoration mainly refers to plastic parts, whose molding
MORE 白箭头 黑箭头
Vacuum forming is used in automobile
With the rapid development of traffic network, the demand for passenger cars is increasing, and the requirement for safety and comfort of passenger cars is also increasing.The beautiful and luxurious interior decoration has become one of the important symbols of luxury passenger cars. Interior decoration mainly refers to plastic parts, whose molding
MORE 白箭头 黑箭头
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