1, the automotive industry
Automotive lamp shell, most of the car interior parts, car bumpers and so on.
2, the electronics industry
Mobile phone shell and part of the body parts, laptop shell, computer monitor shell, mouse, keyboard, USB and so on.
3, household appliances
Television shells, washing machines, refrigerators, hair dryers, telephones, power switches, sockets, electric kettle handle and base and so on.
4, daily necessities
microwave oven lunch box, water cups, plastic stools, plastic tables, plastic organizers, plastic flower pots, plastic dustpans, plastic bowls, plastic pots, plastic toys, drinking fountain shells, drying racks and so on.
5, cosmetics industry
Part of the cosmetic packaging (bottles, lids) and so on.
6, medical industry
Disposable syringes, infusion tubes to adjust the amount of liquid on the device and so on.
7, office supplies industry
Whiteboard pens, ink pens, rulers, file holders, printer shells, copier shells, fax machine shells and so on.
We are surrounded by plastic things in addition to film and the belly of the bottle is made of blow molding, blister molding or thermoforming, most of the others are injection molding.
Two, the working principle of the injection molding machine
The working principle of the injection molding machine and the needle with a syringe similar, it is with the help of the screw (or plunger) of the thrust, will have been plastified in a good state of melt (i.e., viscous flow state) of the plastic injected into the closed cavity, the curing and shaping of the products obtained after the process.
Injection molding is a cyclic process, each cycle mainly includes: dosing - melting and plasticizing - pressure injection - mold filling and cooling - open the mold to take parts. After removing the part, the mold is closed again for the next cycle.
Injection molding machine operation project: injection molding machine operation project includes control keyboard operation, electrical control system operation and hydraulic system operation in three aspects. They are injection process action, feeding action, injection pressure, injection speed, ejector type selection, barrel temperature monitoring of various segments, injection pressure and back pressure pressure adjustment, etc..
General screw injection molding machine molding process is: first granular or powdered plastic added to the barrel, and through the rotation of the screw and barrel wall heating to make the plastic into a molten state, and then the machine for the mold and the injection seat forward, so that the nozzle close to the mold's gate channel, then to the injection cylinder through the pressure of the oil, so that the screw forward so that a very high pressure and fast speed will be molten material Injected into the closed mold at a lower temperature, after a certain period of time and pressure to maintain (also known as holding pressure), cooling, so that the solidification of the mold, you can open the mold to remove the product (the purpose of holding pressure is to prevent backflow of molten material in the mold cavity, to the cavity to supplement the material, as well as to ensure that the product has a certain density and dimensional tolerances). The basic requirements of injection molding are plasticization, injection and molding. Plasticization is a prerequisite to achieve and ensure the quality of molded products, and in order to meet the requirements of molding, injection must ensure that there is sufficient pressure and speed. At the same time, due to the high injection pressure, the corresponding high pressure in the mold cavity (the average pressure in the mold cavity is generally between 20 ~ 45MPa), so there must be a large enough clamping force. It can be seen that the injection device and mold closing device are the key components of the injection molding machine.