PET mould,preform mould,PET Mould design and style

PET mould,preform mould,PET prefrom Mould design and style Layout:

Cooling Method
Exclusive structure of water cooling Channels support to make the cycle time short. And each the water channels was in specifically processed to hinder them from jam;

Off-center Correction Approach
Off-center Correction Strategy may make the main difference of preform’s wall thickness less than 0.008cm. Whilst this technique does not have an effect on the duration of PET mould life;

Self-locking Technique
Around the world state-of-the-art bi-axls set alignment and self-locked arrangement was place into apply on our PET preform mould.

Hot Runner System
The PET prefrom Mould undertakes Pin-valve form of Scorching Runner System Technique , this kind of sizzling runner technique is powerful in decreasing part’s wear & tear degree and preservation cost, and also lower 10%~15% electric power;

Heating Technique
Dual Heating And Cooling can make certain that effects of heating and cooling are great and quality management is trustworthy. The Heating coil unit allows nozzles be kept with constant temperature.
The Heater Program is employed to heat the sizzling runner plate with long lifestyle and powerful heating capability.Heating band inside our preform mould is “hotset” imported from Germany;

preform mould spare parts and after-sale services:
we are a devoted PET mould,preform mould,PET bottle mould manufacturer and maker in huangyan,China.Every single set of PET preform mould undergoes strict mould trials and preform mould trial video will be sent to customer for confirmation before shipping from factory and attaches full set of parameter that is recorded depending on their own and sole serial number. Together with the PET preform mould, full set of spare parts will be supplied for free to keep mold normal operation . In the use of the PET preform mold, Topworks provides adequate spare part to any request and Topworks service department are very willing to provide technical support immediately for any possible request in any time,also we could send our engineers overseas for mold installing and adjusting.

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runner stick

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What is the runner stick runner stick refer to a phenomenon in which the runner of the molded article fails to separate from the mold. If the holding pressure is applied for a long time ,so that the size of the runner is increased, or the runner path portion of the mold is scratched or undercut, resistance is generated, so that the runner cannot be peeled off when the mold is opened. Reasons for the  runner sticking Insufficient solidification of runner When the main runner is not fully cured, the shrinkage is small at this moment, and the runner is close stick to the mold, and the strength is also low. Therefore, if the runner is to be ejected at this time, it will be very easy to break. In this way, the runner will remain on the channel. Resin temperature, mold temperature, and cycle (cooling time) have an effect on the solidification of the main flow.  Excessive  pressure holding The main runner channel is separated from the barrel nozzle directly, so it is easy to
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Primary Parting Plane Runners

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In many cases, the mold design dictates the gating position, although ideally, the optimum gate position should be determined based on part requirements and afterwards the mold design should be selected to provide for the gate desired position. Available gating positions, and gate designs, are significantly influenced by whether the runner travels along the primary parting plane of the mold (the parting plane where the part forming cavity is defined) or whether it does not travel along this plane. In the dominant runner type used in the industry the runner and part forming cavities are located along the same primary parting plane. Primary parting planes, often referred to as the parting lines, are where the mold opens and closes to allow ejection of the molded part and/or of the runner. The primary parting plane is the one where the molded part is formed and ejected. The primary parting plane runner is used in two plate cold runner molds. A cold runner mold is defined as a mold i
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mold maintenance for operation and downtime

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Plastic Injection mold plays one of the most important roles in plastic molding process, its quality is directly related to the quality of products. Moreover, since plastic mold building occupies a large cost proportion of the production for a  plastic mold company , and its life time directly affect injection products cost. Therefore, improving the quality of injection molds, conducting good maintenance and extending its life cycle, are important issues for any injection molding companies Due to product variety, frequent mold exchange on injection machine and longtime storing after production, there are many chances that mold get damaged. However, some plastic molding companies don’t pay much attention to mold maintenance, which invite corrosion on the mold, poor surface finish, and result in lower-quality product and high rejection rate. Statistics show that the usage and maintenance accounted for 15% to 20% in the mold life, the injection mold life in general can be up to 1 milli
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