Parting-line Flash: Guide for Avoiding About the parting-line flash 1. Phenomenon of parting-line flash A phenomenon in which the resin squeezes out and solidifies on the parting line of the mold. 2. Causes of parting-line flash There is a gap in the mold Foreign matter is attached between the mold plates Rising internal pressure(insufficient vent) … Read more
How to Prevent Coating Flaking of Injection Molded Products? About the coating flaking In our daily life, it’s common to see the coatings of plastic products flake off. Now, Let’s find out what are the causes and how to avoid such a problem. 1. Causes of flaking coating lSilver streak on the product lPoor paint … Read more
Q &A About the Injection Molding Process 9 questions about the Injection Molding Process Do you think yourself know a lot about the injection molding process? Let’s have a test to check if that’s true. 1. The working status of the check valve during the process of plasticization, injection and pressure holding Plasticizing: open Injection: … Read more
Guide for Injection Mold Design About the Injection Mold Design There are many important factors that will affect the design of injection mold. Therefore, we should take them all into account before the injection mold design. 1. Analysis of finished plastic product drawings and real samples. At this point we have to consider the factors … Read more
How to Deal With the Poor Drying of Plastic Particles Reasons for the poor drying of plastic particles Although the drying of plastic particles is a relatively simple process. But in some cases, the particles cannot be dried completely. The factors that affect the drying : ❈ Drying temperature Heat is the key to opening the … Read more
The Injection Molding of Transparent Plastics | Issues to Be Noted The injection molding of transparent plastics Due to the high light transmittance of transparent plastics, the requirement for the surface quality of plastic products must be strict. And there must not be any markings, pores or whitening, haze, black spots, discoloration, poor gloss and other defects. Therefore, … Read more
Injection molding | 5 Important Cycle Times 5 important cycle times for injection molding Under the premise of ensuring product quality, the shorter the cycle time, the better. The cycle times for injection molding include glue injection time, pressure holding time, melting time, cooling time, ejection time and mold clamping low pressure time. Also related … Read more
Heat-resistant ABS | Injection Molding About the injection molding of heat-resistant ABS Reducing the internal stress of products is the key to heat-resistant ABS injection molding. This article shows some processing points for the molding of heat-resistant ABS resin from five aspects. They are mold design, material drying, molding temperature, holding pressure and time, and mold temperature. … Read more
Analysis and Elimination Methods for Unstable Dimensions Reasons and solutions for unstable dimensions Dimensional instability means that with the same injection molding machine and molding process , the size of the plastic part changes between each batch of molded products or between each cavity molding products produced by each mold. The change in product size … Read more
Bicolour Injection Molding | Manufacturing Process Characteristics and Mold Structures The Characteristics of Bicolour Injection Molding Manufacturing Process 1. Two sets of plastic injection devices The bicolour injection molding machine is composed of two sets of plastic injection devices with identical structures and specifications. The nozzle should have a special structure according to the production … Read more
