Plastic injection molding is the most common manufacturing process for the fabrication of large quantities of plastic parts. As an ideal method to producing high volumes plastic parts in the same shape, plastic injection molding can be used to create various of plastic parts, which vary greatly in size, complexity and application. Almost every plastic item around you was manufactured by injection molding.
The plastic injection molding at Zhongde is a standard process involving a stainless steel mold, it can be divided into six stages: mold clamping, injection molding, pressure holding, cooling, mold opening, and product removal. At a certain temperature, the completely melted plastic material is stirred by a screw, injected into the mold cavity with high pressure, then cooled and solidified into the final plastic molded parts.
Below table shows the size of Plastic Injection Molding parts we usually make. If you need a larger size, we can also help you achieve it.
Size | Metric | Inch |
Length | 2500 | 98.4 |
Width | 2000 | 78.7 |
Height | 1500 | 59 |
In addition to the general materials listed below, Zhongde can also modify the materials according to the special needs of customers. Our professional engineers will adjust the raw material formula to meet the unique conditions of use.
ABS | Acrylonitrile Butadiene Styrene
PA 6 | Polyamide 6, Nylon 6
PA 6/6 | Polyamide 6/6, Nylon 6/6
POM | Acetal Polyoxymethylene, Delrin
PP | Polypropylene
PE | Polyethylene
LDPE | Low-Density Polyethylene
HDPE | High-Density Polyethylene
UHMWPE |Ultrahigh Molecular Weight Polyethylene
PTFE | Polytetrafluoroethylene
PEEK | Polyether Ether Ketone
PC | Polycarbonate
PMMA | Polymethyl Methacrylate, Acrylic
PS | Polystyrene
PVC | Polyvinyl Chloride (Shore D)
PU | Polyurethane
Name | Description |
UV absorbers | Absorb UV radiation, slowing down the degradation of the material when used outdoors. |
Flame retardants | Prevent ignition and inhibits spread of fire. |
Plasticizers | Increase flexibility and promotes plasticity, reducing brittleness of the material. |
Colorants | Used to color plastics. |
Carbon fibers | Increase strength, toughness, and rigidity of the material at the expense of making the material more brittle. |
Glass fibers | Increase strength, toughness, and rigidity of the material at the expense of making the material more brittle. It is more flexible than carbon fibers. |
Name | Description |
Glossy | The mold is smoothed and then polished with a diamond buff, resulting in parts with a mirror-like finish. |
Semi-gloss | The mold is smoothed with fine-grit sandpaper, resulting in parts with a fine surface finish. |
Matte | The mold is smoothed using fine stone powder, removing all machining marks. |
Textured finish | The mold is first smoothed with fine stone powder and then sandblasted, resulting in a textured surface. |
As-machined finish | The mold is finished at the machinist's discretion. Tool marks may be visible. |
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