plastic industry
Part One Because the injection molding equipment and the requirements for product quality continuously develop. Higher requirements for the injection molding process are put forward. Correct selection of injection equipment, reasonable setting of molding process and optimization process conditions are the keys to improving product quality. Selection of injection molding machine specification
To avoid the shrinkage, the first thing we think is to increase the injection pressure and extend the injection time. But if the injection speed has been adjusted very quickly, it is not conducive to solving the shrinkage problem. Therefore, when it's difficult to eliminate shrinkage, you should reduce the injection speed. By reducing the
This article will explain the issues about producing PC products in detail. And this is the Part Two which includes the following 5 aspects: Mold temperature Mold temperature control: 85 ~ 120 ℃, generally controlled at 80-100 ℃. For products with complex and thin shapes, and higher requirements, it
This article will explain the issues about producing PC products in detail and it is divided into 2 parts. This is the Part One which includes the following 5 aspects: Raw material drying PC plastics, even touching a bit of water, the situation of bonds broken for hydrolysis, lower molecular
For some reasons, injection molds often get burnt during the production. With different causes of the burnt injection parts like machinery, mold or molding conditions, the solutions adopted are also different. 1. Machinery for example: For the overheating of barrel due to abnormal conditions, the resin is decomposed at high temperature, and is injected into
After reading this post, you will know some common characteristics and failures of injection molding machines and how to deal with and avoid them. Content 1. The common characteristics of injection molding machines 2. Procedures for quick and effective fault analysis and elimination Step 1 Perform symptom analysis while keeping
Part Two ( 16-30 ) What is the injection pressure of injection molding machine? Injection pressure P（ kg / cm2 ） = [ л / 4 × ( D12-D22 ) × P × 2 ] / ( л / 4 × d2 ) What is the plasticizing capacity of injection molding machine? Plasticizing capacity W ( g / sec ) =
PART ONE ( 1-15 ) The product runs off the edge (flash edge)when being turned on. The reason and solution of the product lacking glue after a period of production. When the machine starts to work, the melt glue in the material tube of the injection molding machine has a long heated time,
Do you know the pollution of hydrauli system of injection molding machine? How to deal with it? The decisive factors for the quality of the hydraulic system of injection molding machine: Rationality of the system design Performance of the system components Maintenance and solutions for the pollution of the system. The pollution
There are several main problem in the cable tie manufacturing: short shot, flashing, bubbles, gets yellow, brittle, and we will tell you why: China is the main production area for cable tie, with up to 50% of cable tie are made in China and exported to all over the world. We started developing nylon
