Plastic Toy Injection Mould
The production process of plastic toy injection molds mainly includes the following steps:
Design molds: Design a suitable mold based on the shape, size, material and other factors of the product. The design of the mold needs to take into account many factors such as product precision, surface quality, and production efficiency.
Manufacture molds: Manufacture the mold according to the designed mold drawings. The manufacturing process includes material selection, machining, heat treatment, surface treatment and other links to ensure the precision and durability of the mold.
Injection molding: Put the plastic particles into the hopper of the injection molding machine, and after heating and plasticization, inject them into the mold through the injection system of the injection molding machine. In the mold, the plastic is cooled and solidified to form a product.
Product removal: When the plastic is completely solidified, open the mold and take out the product. The product after removal needs to be processed later, such as deburring and trimming.
The specific manufacturing process of injection molds includes the following steps:
Cutting, milling, planing, and grinding: If you make a mold from scratch, you need to start from cutting, and perform milling, planing, grinding and other processing to make the shape of the template.
Processing the cavity and core: After the template is made, start processing the cavity and core.
Flow channel surface polishing: Increase surface finish.
Pre-assembly inspection: Clean and rust-proof before assembly.
Mold trial debugging: Make necessary adjustments and trimming according to the mold trial results to ensure that the mold meets production needs.
Surface treatment: Such as coating, painting, etc., to enhance the corrosion resistance of the mold.
Specific operation important points in the course of the injection molding process:
Filling stage: Start injection molding from mould closure till the mould cavity is stuffed to about 95%. When filling at excessive speed, the shear charge is high, the plastic viscosity decreases, and the drift resistance decreases; when filling at low speed, the shear charge is low and the waft resistance is large.
Pressure retaining stage: Due to the shrinkage of plastic quantity all through cooling, a positive strain need to be maintained on the soften in the mould cavity to make certain the compactness, dimensional accuracy and mechanical houses of the plastic part.
Cooling stage: The plastic is cooled and formed in the mold.
Demolding stage: After the plastic section in the mildew cavity is cooled and shaped, the plastic phase is eliminated from the mould cavity thru the ejection system.
Packaging & Delivery
Packaging Details:
1.Anti-rust oil
2.Plastic film
3.Wooden case
4.Or according to customer's requirement.
5.Port: Ningbo/Shanghai
6.Lead Time: 60 days
Order Manufacturing Process
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