Plastic granulator processing related knowledge introduction

The history of plastic granulators can be traced back many years, and the processing of plastic granulators has evolved with the development of synthetic resins and the development of plastic machinery. Many plastic granulator processing technology, after the birth of celluloid, because of its flammable, can only be formed into a block by molding, and then mechanically processed into a sheet, the sheet can be processed by thermoforming. This is the first plastic granulator to process. Casting is a successful injection molding process with the advent of phenolic resin. It is used in the processing of cellulose acetate and polystyrene. In the middle of the year, the development of soft polyvinyl chloride extrusion molding, plastic-specific single-screw extruder Correspondingly, the twin screw extruder was put into production the following year. At the beginning of the year, polyurethane foam was produced and blow molding technology was used to produce polyethylene hollow products.

The first two processes of plastic granulation machining. Ingredients Two plastic granulation machining basics, I will next introduce the molding, machining, joining, surface modification and assembly of plastic granulation machining. An article or blank of the desired shape is formed. There are more than thirty methods of forming. The choice depends primarily on the type of thermoplastic or thermoset starting form of the plastic as well as the shape and size of the article. The above plastic granulation mechanical processing method can be used for rubber processing. There are also castings using liquid monomers or polymers as raw materials. It is the most used and the most basic molding method for extrusion and injection molding. Many household appliances, building products, daily necessities, etc., use this method to obtain patterns such as metallic luster or wood grain.