How are plastic switch panel manufactured?
Plastic injection molding is commonly used to manufacture membrane switch panels. This is a manufacturing process in which heated plastic is forced into a mould cavity. Plastic injection moulding can be used to manufacture membrane switch panels if the mould cavity has the right size and shape.
The manufacturing process involves several steps including stamping, moulding, assembly and packaging. The components of the switch are stamped or moulded using special machines and then assembled by skilled workers. The final product is then packaged and shipped to the customer.
Plastic switch panel similar products can be divided into socket panels, switch button panels, mobile terminals and so on.Which are disassembled, each part will have different material varieties. Therefore, in actual production, each part is actually a separate injection moulded product.How about Plastic Socket Plate production machine price? Our haichen machinery will offer more suitabale price for clients.
Plastic switch panel mould
Plastic switch panels of different sizes and shapes can be customised by means of corresponding injection moulds.
Mould components
The plastic light switch panel injection mould is mainly composed of two parts, including the fixed (stationary) and movable (ejector) halves of the mould.
- The stationary half of the mould is mounted on the stationary plate of the injection moulding machine;
- The ejector half of the mould is fixed on the movable stationary plate, which contains the ejection device for the finished plastic switch panel.
Mould Structure
- The number of cavities can be customized (from 1 to 64), supporting hot or cold runner systems to improve production efficiency.
- The core and cavity are typically made of stainless steel (such as S136 and 1.2083) to ensure wear resistance and long life (mold life can reach over 1 million cycles).
- The design includes parting surfaces, ejector pin markings, and core pull mechanisms to ensure smooth demolding.
Material Type
- Switch panel molds are primarily made of engineering plastics such as ABS, PC (polycarbonate), PP (polypropylene), and PA (nylon).
- These materials offer heat resistance, insulation, and mechanical strength, making them suitable for electronic components.
Plastic switch panel Injection molding machine
Production process
Plastic switch panels are primarily produced through injection molding. This process uses an injection molding machine to inject molten plastic into a mold cavity. After cooling, it forms the desired shape of the switch panel components (such as the housing, buttons, and socket covers).
Production stages
The injection molding machine is the core equipment. And its workflow mainly divide into four stages: clamping, injection, cooling, and ejection.
Machine Process Control Points
- Parameter Settings: Precisely control barrel and mold temperatures to prevent material degradation (e.g., ABS requires 200–250°C).
- Injection Speed and Pressure: High injection speed (240 g/s) ensures thin-wall filling and prevents sink marks during the holding pressure phase.
- Automation and Quality Control: Fully automated production using a human-machine interface (HMI) control system.
Key Parameters of Injection Molding Machines
Clamping Force and Injection Volume
- Small plastic parts such as switch panels are typically produced using small or medium-sized injection molding machines. For example, an injection molding machine with a 100-ton clamping force has a theoretical injection volume of 847 cm³, making it suitable for producing small parts such as switch buttons.
- Large switch panels or large-scale production may require an injection molding machine with a higher clamping force (e.g., 2200 tons).
Avantages of Haichen plastic switch panel injection molding machine
- Ultra-quiet hydraulic circuits, high power output energy efficiency and significantly reduced noise, better protection for your factory environment.
- High-speed, high-pressure injection moulding for high-precision and moulded products. Suitable for melt shear and injection moulding of different plastic raw materials.
- Real-time injection process curve display
- Enlarged mould clamping stroke to meet the requirement of larger stroke.
- 4 levels of injection speed, 3 levels of holding pressure and 4 levels of metering stage can set according to product requirements.
- Optimal platen design, the elbow joint cast together with the platen improves the rigidity of the mechanical system, thus improving the dimensional accuracy of the product.
- Screws and barrels are made of high quality new materials. It prolongs service life.
- All hydraulic components and seals make from internationally renowned manufacturers.
Other small auxiliary machines
such as shredders and conveyor belts can also enhance part of the automation process and can be selected as appropriate.
Plastic Dryer
There are different plastic materials used in plastic switch panel, such as ABS PC PP, each kind of plastic is more or less hydrophilic, the tiny water vapor will affect the surface finish of the panel and destroy its perfect quality.
- Match the dryer with even hot air distribution and high thermal efficiency, thus reducing the drying time considerably.
- Precise temperature control Precise temperature control ensures and maintains high temperature accuracy.
- Save time and labor As the hopper body and bottom are designed separately. It is very convenient to clean the material and the material renewal is quite simple and quick.
- In addition, there is an integrated drying and dehumidifying feeding device, which eliminates the secondary moisture return of the finished dried material during transport.
Chiller
The cooling time of plastic switch panel products is an important step in the production cycle, so the cooler is one of the necessary auxiliary equipment.
In addition constant temperature control can help the product to mould better and avoid the adverse effects of shrinkage, swelling and loss of mirror effect.
We can supply air-cooled chillers for precise cooling lines. You can also choose an integrated water-cooled chiller line to meet the cooling needs of your entire plant.
Color mixer
In order to meet the style and color requirements of all kinds of plastic switch panels, the addition of color to the white plastic raw material is a necessity.
And we have color mixing machines with different load capacities for your production program.
Overview of the plastic switch panel production process
Pre-Drying
Different materials (ABS PC) need to be dehumidified before further processing, here we use dryers or integrated drying and dehumidifying loaders.
Color mixing
Colors are added to each raw material using a color mixing machine.
Injection molding
The finished colors are put into the injection molding machine and molded together according to different settings and matching moulds.
Cooling control
Precise cooling control after each cycle will determine the quality of the finished plastic switch panel. We use an air-cooled cooler for this process, and in addition, you can choose precise mould temperature control.
Assembly
Organize and regulate the accessories of each switch panel (concealed boxes, bridges, frames, etc.) and wait for the subsequent separate packaging.
Haichen regular plastic switch panels cases
Four Cavities production line with 110t injection molding machine
Cycle time: 20 sec /4 pcs
Production: 720 pcs / H
Other issues
Due to the different materials of each part, there are two choices in the way of machine selection:
If the budget is sufficient
If the budget is sufficient, then configure different machines, each producing parts of different materials to maximise efficiency.
For example, in the production of ABS panels, directly configure a separate production line equipped with ABS injection moulding system to produce the part non-stop all the time, while the other production lines complete the other parts of the switch panel assembly, so that we can get a complete set of products at the first time.
If you are a novice
If you are a novice and are more concerned about the initial cost, you can only change different injection parts (screw barrels) at the same time as you change different mould parts.
Such a production can only get one type of parts for a period of time and the total productivity will be determined by the overall number of parts.
