Blister applications in various industries

With the development of the plastics industry, plastic, plastic applications more widely, from beginning to blister sheet now alternative products thick plastic injection molding machines, ranging from simple plastic food tray, electronic tray to now plastic turnover pallet logistics, hardware tools, vehicles, cooling towers films, bathtub, take the car to the plastic parts, etc., from the original plastic packaging products to become part of the plastic product, we can say now plastic plastic products everywhere in our lives .... 

Introduced plastic applications in various industries: 

Blister automotive industry: 

Automotive interior parts, motorcycle decorative panels, electric scooters shell, car hood, logistics flow trays, tool car shell 

Food, medical, appliance industry blister: 

Plastic food tray (egg tray, snack, lids, trays and other food preservation), cosmetics and other plastic packaging, plastic liner refrigerator, bathtub, electronic trays, door panels, medical equipment, lighting and so on. 

Type of mold is usually processed in accordance with the classification of different objects and processes, from the industry point of view the main distinction between plastic molds, rubber molds, metal Die, metal cold extrusion dies and hot extrusion dies, metal drawing dies , powder metallurgy molds, metal casting molds, metal casting molds, glass molds, fiberglass molds and so on. 

Far below the import of the most common plastic molding process used in different types of mold how to classify introduction. 

The most common methods of plastic molding is generally molded into a melt and solid-phase molded into two categories: the plastic melt molding is heated above its melting point, so that in the molten state is molded by way of a molded part of such a molding method process are injection molding, compression molding (reduced) molding, extrusion molding or the like; refers to a solid phase forming a type of plastic molding process to maintain in the solid state below the melting temperature, such as some plastic packaging container production vacuum forming, compressed air forming and blow molding. There are also liquid molding methods, such as cast molding, slush and dip dip molding method.

According to the different above-mentioned molding methods, the process can be divided into corresponds to a different processing requirements of the plastic mold type, main injection mold, extrusion molding die, the die compression molding, blow molding mold, plastic mold, high foam polystyrene ethylene forming mold. 

Plastic Injection (plastic) molds 

It is mainly the production of thermoplastic products in the most common type of mold, plastic injection mold corresponding processing equipment is plastic injection molding, plastic injection machine first in the bottom of the heating cylinder heat melted, and then injection molding machine under the screw or plunger driven by injection machine nozzle and mold casting system into the mold cavity, plastic cooling hardening molding, stripping get products. The structure usually consists of molded parts, injection system, the guide member, the introduction of some institutions, thermostat systems, exhaust systems, supporting members and other components. Manufacturing materials commonly used plastic mold steel modules, commonly used material is mainly carbon structural steel, carbon tool steel, alloy tool steel, high speed steel. Injection molding processing methods usually apply only to products produced varieties of thermoplastics, injection molding process to produce a wide range of plastic products, from daily necessities of life to all kinds of complex mechanical, electrical appliances, vehicles, spare parts are used in injection molding, it is the production of plastic products, the most widely used as a processing methods. 

Plastic compression molds 

Including compression molding and injection molding press two structures mold type. They are mainly used for forming a class of thermosetting plastic mold, its corresponding device is a pressure molding machine. Compression molding method is based on the plastic properties, the mold is heated to a forming temperature (usually at 103 ℃ -180 ℃), and then a good measure pressure plastic powder into the mold cavity and the loading chamber, closed mold, high fever, high pressure plastic under viscous flow was softened by a certain time after curing stereotypes, become desired product shape. Pressure injection molding and compression molding different is a separate feed room, before closing the mold before molding, plastic feeding indoor warm-up was completed in viscous flow state at high speed to squeeze into the mold cavity pressure, hardening molding. Compression molding is also used to mold a thermoplastic plastic material such as certain specific difficult to melt thermoplastics (such as polytetrafluoroethylene) blank (cold forming), the optical properties of the resin lens is high, a slight foaming automobile steering wheel nitrocellulose . Compression molds mainly by the cavity, chamber, guide mechanism, introduced parts, heating systems and other components. Pressure injection molds are widely used for packaging of electrical components on. Pressure plastic mold manufacturing and injection molds used basically the same material. 

Plastic extrusion dies 

Is used to produce a continuous shape forming a kind of mold plastic products, also known as extrusion head, is widely used in processing pipe, bar, single wire, sheet, film, wire and cable coating, profiles, etc.. Corresponding manufacturing equipment plastic extruder, the principle is solid plastic melted at a screw rotation of the extruder heating and pressurized conditions, and plasticizing a specific shape through a die and the die is made with the same cross-section shape continuous plastic products. Its manufacturing materials are carbon steel, alloy tool steel, and some in the extrusion die components will need to wear resistant materials such as diamond inlay. Extrusion process usually apply only to the production of thermoplastic varieties of products, with the injection molds and compression molds have significant differences in the structure. 

Plastic blow mold 

Molded plastic containers are used to hollow products (such as beverage bottles, cosmetic containers and other packaging) in a mold, in the form of blow molding process according to the principles of the main extrusion blow molding, injection blow molding , injection stretch blow molding hollow (commonly known as "injection stretch blow"), multi-layer blow molding, sheet extrusion blow molding. Blow molding hollow articles is generally referred to as a device corresponding to the plastic blow molding machine, blow molding is only applicable to the production of articles of thermoplastic varieties. Blow mold structure is relatively simple, the materials used mostly carbon steel. 

Plastic plastic mold 

Is a plastic plate, sheet molding raw materials for some of the more simple kind of mold plastic products, the principle is the use of a vacuum pump or compressed air forming method molding method or the fixed die punch in on plastic plates, sheets, in when heated to soften the deformation posted on the desired mold cavity molding products, mainly for some daily necessities, food, toys and packaging products production. Plastic mold for molding pressure is low, so the die cast aluminum or non-metallic material is more choice of materials, the structure is relatively simple. 

High foam polystyrene mold 

Is the application of expandable polystyrene (consisting of polystyrene beads and foaming tablets) of various materials to forming a mold of the desired shape foam packaging materials. The principle is to be made of polystyrene in the mold pass into the steam forming, including simple manual mold and hydraulic machine straight through two types of foam molds, primarily for the production of industrial goods packaging products. Such material has a mold cast aluminum, stainless steel, bronze and the like.