LATEST ARTICLES

The Principal of Plastic Injection Moulding The so-called plastic injection moulding process refers to: the plastic material in the barrel of an injection molding machine is plasticized into a melt by the sheer heat that is generated by external heating and screw rotation, and then the melt is fed into the cavity of...
Gate Design Considerations: 1.Injection molding gate is a small opening between the runners and the mold cavity. their location, quantity, shape and size, etc. have a great influence on product appearance, dimensional , physical characteristics and production efficiency. 2.The gate size is dependent on product weight, material and gate types....
plastic resin material
In today's market, there are tons of material for customer to choose from. Therefore, The selection process of plastic injection molding material is very challenging at the beginning. At ECO Molding, we are well aware that each plastic material has its unique characteristics and advantages,...
injection mold companes in China
I’ve had the opportunities to work in collaboration with injection mold companies from China for more than a decade. They are able to produce an extensive scope of tools, from the low-end molds that feature alignment pins made from repurposed screwdriver bits, to the $100,000 worth of finely crafted, premium quality ones....
Injection mold layout design
The layout design of a plastic injection mold is a very comprehensive job. To do it, you must understand the gate types, the design and machining of the parting surface, the distribution of the ejector pins and the appearance requirements as well as some common injection defects of the product. The steps...
Auto Unscrewing Mold
1.Single Parting Surface Mold(two plate mold) When the mold opens, the cavity and the core are separated to release the molded product. This is referred to as a single parting surface mold, AKA a two plate mold. Being most widely used, it is the simplest and most basic...
injection mold polishing
When industrial products are developing towards diversification and high quality, it is an important task to improve the quality of the molds that directly affect product quality. During mold manufacturing, smooth mirror finishing after shaping, referred to as surface grinding and polishing of a part, is an important process step to improve...
PA66 and PA6 injection molded product
The chemical and physical properties of PA6(Nylon6) are similar to those of PA66(Nylon66), but the former has a low melting point and a wide process temperature range. While featuring better impact and solvent resistance than PA66, it is also more hygroscopic. Since many of the characteristics of a plastic product are affected by hygroscopicity, this should be...