Color Injection Molding

                                       Pet Preforms  

Injection molding machines consist of a material hopper, an injection ram or screw-type plunger, and a heating unit.[2] They are also known as presses, they hold the Pet Preforms molds in which the components are shaped. Presses are rated by tonnage, which expresses the amount of clamping force that the machine can exert. This force keeps the mold closed during the injection process. Tonnage can vary from less than 5 tons to 6000 tons, with the higher figures used in comparatively few manufacturing operations. The total clamp force needed is determined by the projected area of the part being molded. This projected area is multiplied by a clamp force of from 2 to 8 tons for each square inch of the projected areas. As a rule of thumb, 4 or 5 tons/in2 can be used for most products. If the plastic material is very stiff, it will require more injection pressure to fill the mold, thus more clamp tonnage to hold the mold closed.[9] The required force can also be determined by the material used and the size of the part, larger parts require higher clamping force.Injection molding is used to create many things such as wire spools, packaging, bottle caps, automotive dashboards, pocket combs, some musical instruments (and parts of them), one-piece chairs and small tables, storage containers, mechanical parts (including gears), and most other plastic products available today.

Color Injection Molding

pet blow molding technology-pet

                                       PET Preforms  

These days, varied PET bottle designs are in great demand, cost effective, qualitative, and reckoned all over the world. One of the two methods is a pressure PET Preforms bottle such as filling the bottles of carbonated beverage and second one is the non-pressure bottle like oil, tea and filling water bottles. With the advancement in production scale and technology, it has been noticed that molding industries in India has taken a new way.Moreover, the equipment production capacity has seen a rapid progress as compared with prior records of manufacturing. It is believed that now the capacity lies between thousands bottles per hour to ten thousands bottles per hour. The best advancement in this field is that the former manual work has been replaced by the computer systems. This has lower down all the difficulties arising in the process and results in greater constancy and suitableness.The procedure PET molding affects various factors such as environment and surroundings through its blowing system. Depending on the positive and negative merits, PET preforms material and molding process should be chose with uttermost attention and care. According to experimental outcomes, the same viscosity of PET preform molding material can require the distinctive technology of blow molding. The major requirement to preform the materials is to make them pure, transparent. The material should not contain any impurity and there should be no different color nimbus in the region of injection point.

pet blow molding technology-pet