PET Preform Mould Injection Preform Mold

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1 set
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100 set/month

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1. Structure of Multi-Cavities PP Preform Mould 

preform mould,PET preform mould 
single cavity with self-lock to keep less thickness tolerance 
Mould life:800K-1,500,000 shots

PET preform mould


2. Main Features of Multi-Cavities PP Preform Mould 

.Mould structure

Advanced structure is designed to improve rate of finished products;Two-step double taper locating technology;The each cavity is self locked independently with the core.The off-center adjustment system make the perform thickness error less than 0.05mm.Bottleneck is adopted International Screw thread standard, No cutting of gate to reduce the labor intensity

. Material of steel

Cavity and core use stainless steel 2316 with fine polishing,high hardness to get mold's high precision and good quality. mechanical treatment cavity and core to prolong service life,nitrogen treatment with neck screw.with fitly operation,guarantee Long using life over 2 million shots of injection cycle

3. Images of Multi-Cavities PP Preform Mould 

PET Preform Mould Injection Preform Mold

PET Preform Mould Injection Preform Mold





4. Packaging & Shipping of Multi-Cavities PP Preform Mould 

PET preform injection mould with normal long tail availabe.

short tail mould available.

valve gate without tail mould availabe.

4~48 cavity mould as customized.

23 years experience of preform mold specialized manufacture.

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:The effect of mould preheating and several methods of preheating
Natural (coal) gas heating: a widely used method. Applicable to different mould shapes. The heater is made of pipes, and there are many small holes in it, and the gas is ejected and the size of the fire can adjust the air valve to achieve it. Clean without pollution, can be heated locally. The disadvantage is that it is controlled by people, and it is easy to burn the mold.
Q:The injection molding round box is not satisfied with the molds.
This is the reason why the liquidity is not good, and the effect of the powder on the powder is affected, so if you use this material, you can try to improve the temperature of the material and increase the point of glue.
Q:How do H13 mould steel heat treatment
3. The chemical heat treatment of H13 steel if gas nitriding carbon or nitrogen altogether permeability can make the mould to further strengthen, but the nitriding temperature should not be higher than the tempering temperature, to ensure that don't reduce the intensity of heart, so as to improve the service life of mould.
Q:What is the difference between imported mold and domestic steel
One, the biggest difference is the price of imported materials is high, commonly in domestic material more than double. Second, steelmaking technology perspective, foreign well-known steel material generally purity of molten steel is higher, P, S, and five element content is low, low gas content, is simply less impurity. From the forging point of view, the imported mould steel is generally good, the forging pressure is bigger than the big, simply it is the uniform and transparent of forging. Four terms, heat treatment, the overseas research and development efforts, compare the commonly used die steel are basically developed abroad, so the heat treatment craft is advanced, and the equipment is advanced.
Q:What is the role of the grooves in the guide column
Storage of lubricating oil and cutting groove action. Because of the relative motion of the guide when the guide is working, because the clearance is small, the oil can be scraped off for a long time. So the design of this groove allows the lubricant to stay on the length of the guide column, not all of it to the end. Because the processing accuracy is different on both sides of the guide. Level 2 orientation precision, for example, sliding guide part of guide pillar and guide bush of requirement is H7 / h6, guide pillar of the fixed part and the mold base with the mounting holes is H7 / s6, relief groove guide pin can be divided into two sections, one section for h6, another for s6, so relief groove is a must have!
Q:Can you tell me how the injection molding machine has a large closing line and the batch front?
Moulding line big flash, must first rule out the mould with no problem, with red lead powder with the mold can be ruled out, if the parting surface not fully fit after clamping to have crack, can produce big flash. It is not a problem to exclude the mold, the process consideration: 1, the material flow is too good, the cylinder temperature is properly lowered
Q:What is a molds? What is the difference between die and die?
Under external force, the material is made into a special shape and dimension. Widely used in cutting, forging, cold heading, extrusion, powder metallurgy parts suppression, pressure casting, as well as engineering plastics, rubber, ceramics and other products of the molding or injection forming. The mold has a certain contour or inner cavity shape, and the shape of the blade can be applied to the outline Separation of forms (blanking). The inner cavity shape can be used to obtain the corresponding solid shape. The mould usually includes two parts: the moving model and the mold (or the punch and the concave), which can be divided into two parts. When apart, take out the pieces and put them into the mold cavity forming. Mold is a precision tool, complex shape, bear the expansion force of billet, the structural strength, stiffness, surface hardness, surface roughness and machining accuracy have higher request, the development level of mold production is one of the important symbol of the levels of mechanical manufacturing.
Q:The stamping dies at the Angle of 90 degrees, the Angle is big or small how to repair.
The recommended answer is quite different. Bending 90 degrees is supposed to have both internal and external conditions. The inside is less than 90 degrees, and the outside is greater than 90 degrees. This is the question of the gap and the rebound. This is in the normal model domain. General modulators and mold engineers know how to handle it. R and not R also affect this. In the case of the block under zero, the probability of a general Angle is reduced. But absolute zero is bad, can cause product scratches serious. Typically, the master moduler will be a little bit more angular, and if you do a zero, he will also get around R0.2. The solution to this problem is one packet of R processing. Adjust the bending clearance. 3 below the forming block. The moulding male is left straight after two to 3 degrees. Adjust bending clearance and so on. This is the basic problem of stamping die! I didn't elaborate on what to do, but if you were doing molds, according to the ones I was talking about, it would be easy enough to fix the problem. There are several other forms of prototyping. Each has its own merits. You know, it's not a good idea.
Q:What do you mean by the side of the plastic mould
The division of heaven and earth is on the injection molding machine, the mould is on the injection molding machine, the upper side is the sky side, the lower side is the ground side One, on the side of the operator's operation, is called the operation side, and the other side is a side that deviates from the operator's side, which is called non-operating side or back 2, water in and out generally cannot be done on the operating side, for safety (some of the moulding hot water, if the detonation tube can burn the person) and the operator is convenient; The waterway is generally in the non-operational side, followed by the ground; It is also not advisable to use water in and out of the water, because if there is a leak, it will flow to the mold section and increase the injection rate. Inevitably, the water will flow through the channels through the channels
Q:The performance requirement of die steel
Red hardness Work under high temperature condition of hot-work die to maintain the stability of the organization and performance, to maintain a high enough hardness, this performance is called red hardness. Carbon tool steel, low alloy tool steel can often in 180 ~ 250 ℃ temperature range of this kind of performance, chrome molybdenum steel is in commonly 550 ~ 600 ℃ temperature range this performance. The red hardness of steel mainly depends on the chemical composition of the steel and the process of heat treatment.

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