PET Preform Injection Moulding China OEM

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1. Advantages of Multi-Cavities PP Preform Mould 

Characteristics of the production line

First: PET material→dehumidify→load material→injection machine→ preforms

Second: PET Preforms →heat preform → stretch → blowing → bottles

Cap on in the injection molding machine is completely automated production, its production process is as follows::

     PP material→load material→dry→heat material →injection→cooling molding  →preforms→cap

      Injection molding machine: Adopting Europe technology, hydraulic unit adopts proportional pressure and flow control, the pressure and the speed can be adjusted, stable movement curve and gentle shock, the computer is imported from Industry family. The LCD displaying screen with high clarity has Chinese and English language to use. Close-loop PID temperature control with the advantage of high precision. The operating table of the injection molding machine have two safety, one is machine safety, another is electrical safety, that ensures the operators’ safety.  

       Mould: Our mould producing center produces exact mould, adopts the high grade material to make. The perform mould uses the hot runner technology, inside uses the imported steel, the surface’s brightness is very high and the service time is very long.

1.The design of equipment is logical, easily operation.

2.The automatic level is very high, the wage is very little.

3.Using famous imported hydraulic, electrical, sealing parts, the trouble is low.

4.No matter what the product’s outside or inside, they can get the best guarantee, the good products rate can be above 99%


2. Main Features of Multi-Cavities PP Preform Mould 

Mouse mould design is a brain demanding work which has no copy action.

When designing a mouse mould the method of modification should be taken into consideration  and should have enough space for modification.

The devices of the mouse mould should meet the standard of anti-grating and long-life shots.

The manufacturing skill and time are different with the hardness and stretchiness of the material.

Because of its precision, most of work has to be done by manual work.

Mould of high quality should be qualified with good surface manufacturing and precision 

3. Images of Multi-Cavities PP Preform Mould 

PET Preform Injection Moulding China OEM

PET Preform Injection Moulding China OEM

PET Preform Injection Moulding China OEM

4. Instruction of Multi-Cavities PP Preform Mould 

We complete mould making line, from the mould's design, processing, assemblage, test to perfect mould. The mould designed by AutoCAD system, PRO-Engineer system, Solidworks system etc. 

For the mould processing, we use precision machines and CNC machine.

For the mould assemblage, we have experienced workers who has more assemblage experience. With carefully work attitude and rich experience, make our mould quality better and better. 

For the mould test, our company also make all kinds types of injection molding machine, this is our excellent, as other mould company not have this advantage for good testing. 

For PET preform mould, there are 8 cavities, 16cavities, 24cavities, 32 cavities  48 cavitied  and 72cavitied for choice. 

PET material because of its exceptional performance, are generally used two-step molding process, by the preform injection molding machine to produce a 24-hour After cooling, the internal molecular structure of their re-arranged in an orderly manner, and blowing for the next step to create good conditions, so that more excellent blowing performance products. Such as the famous Coca-Cola Company is currently using this technology.


5. FAQ of Multi-Cavities PP Preform Mould 

Q: How to get a quotation and start business relationship with your company?

     A: Please send us email and our sales representive will contact you as soon as we receive your email. 

  Q: How to receive a price quotaion in the shortest time?

     A: When you send us an enquiry, please kindly make sure all the details, such as the mateiral, product size, surface treatment and packaging are mentioned. 

  Q: How to start a custom project with your company?

     A: Please send us your design drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange the sample making.

  Q: What’s your MOQ? 

     A: The MOQ depends on the design and production processes of the products. For the majority of our bathroom sets, our MOQ is 10000sets.

  Q: What types of payment terms do you accept?

     A: Currently, the payment terms we accept are T/T (30% before production, 70% against B/L copy) and irrevocable L/C at sight.

  Q:How long can I receive an order? 

     A: That depends on the specific items and your order quantity. Normally, the lead time for a 20ft container load is 50-60 days.

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Q:Mold design and manufacturing to learn which courses
Major courses: mechanical drawing, engineering mechanics, mechanical design basis, plastic molding process and mold design, nc machining and programming technology, mold design and manufacturing professional English, stamping process and die design, electrical technology, electronic technology, mold manufacturing, metal technology, Auto CAD, Master CAM, Pro/E, hydraulic and pneumatic transmission, stamping and plastic moulding equipment, die mold and other mold, tolerance matching and technology measurement basis. It's the most used. Almost all of them. See which direction you go in, design or processing. There's a little bit more in there. As tolerance matching and the technology measure to Auto CAD and Pro/E to metallurgical technology based ~ ~ ~ mechanical drawing mechanical design is engaged in the plastic mould, of course, to learn the plastic forming technology and die design in ~ ~ ~ is engaged in the hardware mold stamping process and die design ~ ~ ~
Q:What are the types of molds?
From different materials: plastic die, metal stamping die, forging die, metal die casting mould, ceramic die, glass mold, glass steel mould etc. There are many types of each.
Q:What type of mould is the tooling
Mould: the definition of industrial production to injection molding, blow molding, extrusion, die casting or forging molding, smelting, the methods of stamping, stretching products of various molds and tools required. In short, the mold is used for molding tool of the item, it consists of various parts, mainly by the changes of the molding material physical state to implement items shape processing.
Q:The performance requirement of die steel
Compressive yield strength and compressive strength of bending strength mould in use process is often high pressure and bending effect, so the mold material should have certain compressive strength and bending strength. In many cases, the compression test and bending test conditions close to the actual working conditions of mould (for example, measured by the steel compressive yield strength and deformation resistance of punch work was coincident). Another advantage of the bending test is the absolute value of the dependent variable is large, can be more sensitive to reflect the different steel grade and condition in different heat treatment and organizations between the difference of deformation resistance.
Q:What is the top of the die?
The top block of the mold is supported by the support, the whole plate is not solid, it consists of the frame, block, block and so on. The top block is part of the system of the top of the mold. Commonly used in injection moulds. Injection mold is a tool for making plastic products. It is also a tool that gives full structure and precise size to plastic products. Injection molding is a kind of machining method used in batch production of some complex parts. This means that the material that is melted by heat is injected into the cavity of the cavity, and it is cooled and solidified, and it is formed. The molding mould is divided into thermo-plastic mold and thermoplastic plastic mold. In accordance with the molding process is divided into the mold, blowing mold, casting mold, hot forming mold, extrusion mold (mold), injection mould, etc., the thermal model can be divided into the overflow type material overflow way, half overflow type, not overflow type three, injection mould was pouring system can be divided into two cold runner mold, hot runner mould; It can be divided into movable type and fixed type by means of loading and unloading.
Q:What do you mean by plastic mold injection molding? What's the use?
The assurance means a fixed pressure on the material in the mold. Because the plastic in the cooling process has the effect of heat bilges cold shrink, especially larger plastic shrinkage, heat bilges cold shrink is very obvious, so when we give the material after a fixed pressure, plastic shrinkage during the cooling process, the mold melt pressure began to decline, with the holding role, and the hydraulic system will automatically forward pressure, progress in the back of the material, added the contraction of the melt front, thus forming prevent products caused by shrinkage deformation. Adjust the pressure of pressure and the time of holding pressure, adjust the product defects such as the flying side, fuse connection and shrinkage mark.
Q:What is die parting face?
A mold term. Mould is, generally speaking, there are two major components: dynamic model and fixed die (or male mold cavities and cores), parting surface is closed and state can contact between the two parts, is divided into the workpiece or mold parts mold parting plane of block size, has a broader significance. The design of fractal surface directly affects the quality of the product, the difficulty of mold structure and operation, and is one of the key factors in the success of die design. The following principles should be observed when determining the parting surface: (1) make the mold structure as simple as possible. If you avoid or reduce the side parting, you will reduce the movement of the type and the fixing of the mold to reduce the difficulty of processing. (2) it is helpful for the smooth removal of plastic parts. As long as the mold is left to be left on the edge of the moving die to make use of the top of the injection molding machine, avoid the long distance core to reduce the size of the die. Ensure the precision of the product. To minimize manufacturing and assembly errors, as far as possible, in the same module as possible. (4) not affecting the appearance of the product. The flying side inevitably occurs at the parting surface, so avoid the design of the parting surface on the smooth surface. (5) ensure smooth exhaust of the cavity. If the fractal surface is as close as possible to the final filling of the cavity wall, it can be used to exhaust the cavity.
Q:What is the cooling system of the mold
According to the product shape, people in different templates design with cold water or hot water in and out of the loop, especially near the mold core, cavity and port more requires constant cooling. In a working cycle, the molds have a large cooling area and need to be cooled for a long time, about 80% of a cycle. The design of cooling system should consider the following factors: mould steel variety, length of cooling channel, melt temperature of injection materials and solidification temperature. It should also consider temperature control device, cooling medium flow condition and pressure. The cooling system is designed according to the heat that the mould absorbs heat and the cooling water pipes. Studies have shown that a good cooling design reduces cooling time by about 20 percent.
Q:How do you buy the die?
Borrowing: fixed assets -- molds Tax payable - the VAT (input tax) Loan: bank deposit/accounts payable/stock cash Depreciation time: eliminate the residual value rate general 5%, according to 10 years depreciation So that's the original value minus 5 percent of the original value divided by 10 years divided by 12 months is equal to the cumulative depreciation of every month.
Q:There are several types of mould
Rubber mold: it is divided into pressing mould, injection molding and extrusion molding. The processing of rubber. Glass: it is divided into press and die. Processing glass. Casting mould: it is divided into sand mold, shell mold, lost wax mould, pressure casting mould and metal mold. Process melt alloy.

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