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Chinese Professional Pvc crystal Mould - PVC Air-blowing Mould – Xieli

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The process principle comes from the idea of glassblowing. Enoch Ferngren and William Kopitke produced a blow molding machine and sold it to Hartford Empire Company in 1938. This was the beginning of the commercial blow molding process. During the 1940s the variety and number of products was still very limited and therefore blow molding did not take off until later. Once the variety and production rates went up the number of products created soon followed.
The technical mechanisms needed to produce hollow bodied workpieces using the blowing technique were established very early on. Because glass is very breakable, after the introduction of plastic, plastic was being used to replace glass in some cases. The first mass production of plastic bottles was done in America in 1939. Germany started using this technology a little bit later, but is currently one of the leading manufacturers of blow molding machines.
In the United States soft drink industry, the number of plastic containers went from zero in 1977 to ten billion pieces in 1999. Today, an even greater number of products are blown and it is expected to keep increasing.
For amorphous metals, also known as bulk metallic glasses, blow molding has been recently demonstrated under pressures and temperatures comparable to plastic blow molding.
Blow molding (or moulding) is a manufacturing process for forming and joining together hollow plastic parts. It is also used for forming glass bottles or other hollow shapes.
In general, there are three main types of blow molding: extrusion blow molding, injection blow molding, and injection stretch blow molding.
The blow molding process begins with melting down the plastic and forming it into a parison or, in the case of injection and injection stretch blow molding , a preform. The parison is a tube-like piece of plastic with a hole in one end through which compressed air can pass.
The parison is then clamped into a mold and air is blown into it. The air pressure then pushes the plastic out to match the mold. Once the plastic has cooled and hardened the mold opens up and the part is ejected. Water channels are carved into the mold to assist in cooling.
1. Injection stretch blow molding
Injection stretch blow molding technology is currently more widely used than injection blow molding. This blow molding method is actually injection blow molding, but with the increase of axial stretching, blow molding is easier and energy consumption is reduced.
Whether it is injection blow molding, injection stretch blow molding, or extrusion stretch blow molding, it is divided into one-time molding and two-time molding processes. The one-time molding method has a high degree of automation, the parison clamping and indexing system requires high precision, and the equipment cost high. Generally, most manufacturers use the double molding method, that is, the parison is formed by injection or extrusion, and then the parison is put into another machine (injection blow machine or injection stretch blow machine) to blow out the finished product, and the production efficiency is high.
2. Extrusion blow molding
Extrusion blow molding is one of the most widely used blow molding methods in blow molding. It can be processed in a wide range, from small products to large containers and auto parts, aerospace chemical products, etc.
3. Injection blow molding:
Injection blow molding is a molding method that combines the characteristics of injection molding and blow molding. At present, it is mainly used for beverage bottles and medicine bottles with high blowing accuracy requirements, as well as some small structural parts.

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Place of Origin   Fujian, China
Brand Name  XIELI
Model Number   ***                          
Shaping Mode Pvc Pcu Shoes Mould
Mould Material  7075Aluminium                
Product CNC and Man made
Mould life  5years,OEM

Market 1: Russia,Belarus,Ukraine,Poland
Market 2: Morocco,Ethiopia,Sudan,Kenya
Market 3: Indonesia,Bangladesh,India,Thailand ,Vietnam
Market 4: Brazil,Ecuador,Peru,Turkey
Market 5: Argentina,Mexico,Columbia,Lebanon

Mold Material: Aluminum (7075/National standard NO.6061#)
Mold life: 5 years
Mold Specification: 1 mould 1/2 pairs ,240*420, 280*480, 280*500, 280*520, 285*550
Mold Height: 165mm,185mm,200mm,220mm,230mm


Shoes size: According to your request
Shoes logo: According to your request
Shoes color: Availabel
Material Expansion: 1.3,  1.45,  1.55
Place of origin: Jinjiang,Fujian,China

Mainly products

EVA foaming sole mould 1 mould 8/12 pairs EVA foaming slipper mould 1 mould 8 pairs
EVA injection sole mould 1 mould 1/2/3 pairs EVA injection slipper mould 1 mould 1/2/3 pairs
EVA injection garden shoe mould 1 mould 1/2 pairs EVA injection winter shoe mould 1 mould 1/2 pairs
EVA rain boots mould 1 mould 1 piece EVA injection leather shoe mould 1 mould 1/2 pairs
EVA hot and cold mould 1 mould 1/2 pairs EVA 2 color foaming mould 1 mould 6/8 pairs
PVC air blowing sole mould 1 mould 1 piece PVC air blowing slipper mould 1 mould 1 piece
PVC air blowing garden shoe mould 1 mould 1 piece PVC air blowing shoes mould 1 mould 1 piece
PVC leather shoe


1 mould 1 piece PVC upper mould 1 mould 1/2/3/4/6/8 pairs
PVC crystal sole mould 1 mould 1 piece PVC DIP mould 1 mould 1 piece
PVC 2 color sole mould 1 mould 1 piece PVC 2 color shoes mould 1 mould 1 piece
PVC 2 color slipper mould 1 mould 1 piece TPR 1/2/3 color mould 1 mould 1 piece
Rubber mould 1 mould 1 pair PU copper mould 1 mould 1 piece

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