|China plastic part holding manufacturer experienced plastic injection molding plastics molded parting custom inject part
|UV resistance, flame retardant, low temperature resistance, flexible/rigid etc
|Industial, electronics etc
|Single cavity, multi cavity, based on customer’s request
|Hot runner/ Cold runner
|Product Surface Treatment
|Painting/ Polishing/ Laser Carving/ Screen Printing/ UV Printing/ Mirror Finishing/ Electroplated/ Oxidation/ Sand Blasting/ Passivating
|Injection Molding Capability
|Standard export carton packing, or according to customer’s request
|Inch, centimeter, millimeter etc
|Warm welcome to contact us
|Competitive price & Fast Delivery & Good quality
|For mold: 50% advanceT/T payment, balance will be after you confirm our samples; For production: 30%T/T, balance will be after received our B/L copy
These products belong to our customers. We just show them to display our ability, not in sale!
Warm welcome to your customization!
The way of packing depends on customer’s requirement.
Our company was established in 2003. We are oem service manufacturer and trader specialized in research. We are located in Xihu (West Lake) Dis. County, ZHangZhoug Province, with convenient transportation access. Our annual sales value is over USD 800,000.
With more than 10 years’ development, we have established CZPT business relationships with customers from Western Europe, Northern Europe, South America and North America.
We can consistently provide high quality products, reasonable prices and the best services for our clients. We develop and produce many kinds of plastic products, such as automobile parts, machinery fitting, home appliance, electronic products, electric appliance, computers, miniature switches, architecture and so on. We can produce Injection Molding Products and Plastic Extrusion Profiles. We produce according to clients’ sample or drawing.
We can use many materials to produce, such as ABS, PP, PE, PS, PVC, PC, PBT, POM, PET, LDPE, TPE and so on.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking CZPT to forming successful business relationships with new clients in the near future.
- Totally use high performance raw materials for production
- Assembled Plastic Components
- Metal part pressed-in or Inserts Plastic parts
- Specialty Surface Finishes
- 3D printing for customer design testing
- Custom Packaging
- Several extra parts are free for customer
- Has a metal parts workshop to offer metal parts.
Our products have been sold to famous companies in China, European and export many countries, such as the USA, Canada, Germany, the Netherlands, India, Saudi Arabia and so on.
We are warm welcome and we will take care for the every inquiry. We always aimed to trace the customer first, quality first! We will pay great attention reply every inquiry.
We are looking CZPT to forming successful business relationships with new clients in the near future.
Please feel free to contact us. We believe we will be your good business partner!
1. Who are you?
We are based in ZHangZhoug, China from 2003, selling to Southern Europe(20.00%), Domestic Market(20.00%), North America(15.00%), Western Europe(15.00%), Eastern Asia(10.00%), Oceania(10.00%), Northern Europe(5.00%), Eastern Europe(5.00%).
2. How can you guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can I buy from you?
Customized Plastic Injection Molding Parts, Customized Plastic Extrusion Profiles.
4. Why should I buy from you not from other suppliers?
We can provide high quality products, reasonable prices, on-time delivery and the best services.
5. What’s your general lead time for mold and mass production?
Generally 20-25 days for molding, mass production depending on order qty.
6.If the items we purchase from your company are not of perfected quality/defective, what can we do?
Pls contact with us freely within a week after your got the products. Kindly send us photos of all the bad goods or any proof. After confirmation, we can replace/ refund/ deduct the fee from next order.
Estimated freight per unit.
|To be negotiated
What Is Injection Moulding?
Injection molding is a process of producing precision-molded parts by fusing raw plastics and guiding them into a mold. The main components of an injection mold are a hopper, barrel, and reciprocating screw. Before injection, the raw plastics are mixed with coloring pigments and reinforcing additives.
Characteristics of injection molded parts
Injection molding is the process of manufacturing plastic parts. It uses thermoplastic, thermoset, or elastomers to manufacture components. The range of materials is enormous and includes tens of thousands of different polymers. They are blended with other materials and alloys to produce a wide range of properties. Designers select the appropriate materials for the job based on the properties and functions desired in the finished part. During the mold design process, mold materials must be carefully chosen, as different materials require different molding parameters.
Injection molding requires precise tolerances of the temperature and strain levels. The maximum strain level is about 0.15 percent. It is possible to adjust these parameters to meet the requirements of an injection molding project. The resulting products can be easily checked for quality by measuring the strain and temperature of the mold inserts in real time.
Injection molding is known for its laminar flow of the polymer. However, there is still a possibility for side-to-side thermal variations in the part forming cavity. This is illustrated in FIG. 4. The part has high and low sheared areas; the higher sheared areas flow on the bottom side of the part, while the lower sheared areas flow on the top side.
Injection molding is used to make many different types of plastic parts, from small parts to entire body panels of a car. These parts can be made from a variety of different materials, such as polypropylene for toys and ABS for consumer electronics. They can also be made from metal, such as aluminum or steel.
The melting temperature of plastic parts must be appropriate for the project’s specifications. The mold should be large enough to produce the parts desired. This will minimize the impact of uneven shrinkage on the product’s dimensional accuracy. In addition to the temperature, a mold must be designed with the material’s properties in mind.
Injection molded parts are produced using molds. This process is a complex process that requires customization to ensure proper fit and function. The main component of a mold is the base, which holds the cavities, ejectors and cooling lines. The size and position of these components are crucial to the production of quality parts. Incorrectly sized vents can cause trapped air to enter the part during the molding process. This can lead to gas bubbles, burn marks, and poor part quality.
The material used for tooling fabrication is usually H-13 tool steel. This steel is suitable for injection molded parts as it has a low elongation value. The material used to fabricate tooling for injection molded parts typically has a high yield strength. The material used for injection moulding tooling is typically 420 stainless steel or H-13 tool steel. These materials are suitable for most injection molding processes and have comparable yield strength compared to wrought or MIM parts.
Another important part of tooling fabrication is the design of the mold. It is important to design the mold with a draft angle, as this will make ejection easier and reduce costs. A draft angle of 5o is recommended when designing a tall feature. Choosing a draft angle is essential to ensuring that the plastic part is free from air bubbles after injection molding.
Injection moulding tooling costs can account for as much as 15% of the cost of an injection moulded part. With innovation in mould materials and design, tooling fabrication can be more efficient and cost-effective.
Surface finishes on injection molded parts
Surface finishes on injection molded parts can have a variety of effects on the part’s appearance and performance. Different materials lend themselves to different kinds of surface finishes, with some plastics better suited for smooth, glossy finishes than others. The type of surface finish is also affected by several factors, including the speed of injection and the melt temperature. Faster injection speeds help improve the quality of plastic finishes by decreasing the visibility of weld lines and improving the overall appearance of the parts.
For a smooth plastic surface finish, some companies require a high level of roughness on the part. Others may prefer a more rough look, but both options can have their benefits. The type of surface finish chosen will depend on the part’s purpose and intended application. For example, a glossy plastic finish may be preferred for a cosmetic part, while a rougher finish may be better suited for a mechanical part that must be tough and cost-effective.
Surface finishes on injection molded parts are often customized to match the application. For example, some parts require a rough surface finish because they require a greater amount of friction. These parts may require a sandblasting process to achieve the desired texture. Other processes can also be used to control plastic texture.
The type of surface finish depends on the materials used, as well as the design and shape of the part. The type of material used, additives, and temperature also have an impact on the surface finish. It is also important to consider surface finishes early in the design process.
Importance of a secondary operation to improve accuracy
While most injection molded parts do not require secondary operations, some components do require this type of processing. The surface finish of a component will determine how well it functions and what other secondary operations are necessary. Depending on the part’s function, a smooth or textured surface may be appropriate. Additionally, some parts may require surface preparation before applying adhesives, so an accurate surface finish can make all the difference. In order to achieve the desired finish, the injection molder should have experience molding different materials. He or she should also have the knowledge of how to simulate the flow of a mold. Also, experienced molders know how to mix materials to achieve the desired color, avoiding the need for secondary painting processes.
Injection molding is a complex process that requires precision and accuracy. The optimal temperature of the melted plastic must be chosen, as well as the mold itself. The mold must also be designed for the correct flow of plastic. In addition, it must be made of the best thermoplastic material for the part’s design. Finally, the correct time must be allowed for the part to be solid before it is ejected. Many of these issues can be overcome with specialized tooling that is customized to the part’s design.
Injection molding offers the opportunity to make complex parts at low cost. It also allows manufacturers to make parts with complicated geometries and multiple functions.
editor by CX 2023-05-08