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Friday, 26 October 2012

The Best Tooling Machines to Make Good Hot Runner System

Anole injection technology Co. Ltd. is the best Chinese brand hot runner manufacturer for the following reasons:

All the heaters are imported from Germany, we only use the best brand heaters and heating element-hottest heaters and thermocouple, all the customers must know that as a hot runner system. the most important technology is the precise dimensions and the most important spare part are the heating elements .Anole hot runner manufacturing equipment uses the best heating element-hottest which imported from Germany. Hottest heater is one of the best and most famous heating elements suppliers in the world; Hottest Germany has specialized in developing and production of heating elements. In Ludenscheid and Malta they manufacture high quality heating elements both as sock range and customer specific designed e. g. for plastics processing, packaging and die-casting industries.

They assure worldwide trusted logistics concepts. Subsidiaries in the USA, Singapore, China and Malta, a worldwide key account service and a growing distribution network enables hottest to be represented in 44 countries. In 2003, Anole signed an agreement to be the sole agent of hottest heaters in China. Hottest also specializes in Customer specific solutions: as an engineering service provider they optimize and design more and more complete heating systems for industrial applications. Therefore the organization breaks new ground and provides its customers with new products an essential competitive advantage.

What are the best tooling machines to make good hot runner system?

In Anole, every hot runner manufacturing equipments has very precise and good energy saving function so the benefit will be balanced in the customers. We have 6 deep hole tooling machines to tool the manifold to gain the best surface of the runner.12CNC lathe machine.

Anole hot runner manufacturer equipment consists of hot runner nozzles hot manifold system, temperature control system and also other heating elements. We also customize the hot runner system according to the customer's requirements to choose the most suitable hot runner manufacturing equipments.

Hot Sprue Design Option Prevents the Material Leak

Any reason causes the hot runner material leak in the majority situations, not because error design, because it has not deferred to the design variable in the operation.

Usually, material leaks occur in seal between the hot mouth and the manifold. According to the common hot runner design standard, it has a steel edge in the hot spure; it may guarantee that the hot spure is smaller than highly on the hot runner manifold actual trough is deep. The reason that must design during this size the difference (usually to be called cold gap), the goal is to avoid the heat expansion not damaging the part when in operating.

expansion will often create the hot sprue failure. Therefore, the effective seal has not been causes the hot runner under the cooling condition to leak the material the primary cause. Usually, for guarantee systems seal (hot sprue and manifold), must heat up the system to the operating temperature, and thus prevents the injection molding pressure to go against two parts. Generally, operator who lacks experience often cannot wait system to achieve the operating temperature, what will be worse; they even possibly forgot that will open the heating system. Thus, even it has the cold gap, when hot runner before achieved its operating temperature, the pressure from the surface is also unable to prevent to leak the material. Moreover, the material leak also occurs in the overheating situation. As a result of hot sprue edge low expansion compatibility, when system was over heating, once reduces again for the operating temperature time, as a result of the steel distortion's influence, the seal pressure which it produces is unable to prevent divulging. In this kind of situation, not only material leak caused system failure, but also oversized pressure to the hot mouth creates the unrecoverable damage, thus need to transfer hot sprue. Because the hot sprue and the manifold preload is important,  therefore must observe the size  strictly to the hot runner supplier provides, then can prevent the system to leak the material effectively.

 Hot sprue design option prevents the material leak  

Manifold and hot sprue seal designs to each kind of different hot sprue. It has the steel edge, no ant drip function design. This kind of design seals no own initiative under the cooling condition, also no overheated thehotsprue on the manifold may prevent leak under the cooling condition divulging. Because the steel edge needs certain expansion space under the normal temperature, therefore this system must have the cold gap. Although this method can prevent the melting stock from the hot sprue to manifold in divulging, but is actually unable to prevent part's heat expansion under the overheated condition, its operating temperature scope is the bolt on the hot sprue may movement together with manifold, therefore this kind of design has the smallest length request to the hot sprue, also has the limit to the cavity spacing. The hot sprue edge uses the elasticity, but the non-steel design, the spring edge may provide the preload under the cooling condition, and may prevent the system to damage. If heats up excessively because of the accident, it may also absorb the heat 

How to discover the material leak
Usually in situation, the people are very difficult to discover whether the hot runner material leak happened, because is unable to see radically from the mold. But if observes carefully, it can discover through some signs. Generally, when establishes a brand-new hot runner, it may contain injection molding quantity times, for example, if melts the road to be possible to contain three injection molding quantities (each time to inject quantity for melt/cavity's capacity), then after three injections, in the cavity should already have the melting stock. If does not have, the material leak may happen in the manifold. When begins using the hot runner, must guarantee that the injection quantity is established correctly on the machine. In the operating process, another sign is the partial cavities or the product sufficient material is incomplete. It is because the leak in the manifold caused the product injection molding not to be full. On injection molding machines control interface, this kind of situation demonstration for technological parameter sudden change. If the operator suspected that material leak existence, then should close the injection machine immediately, after systems cool, carries on the inspection again. After t cleaning up system and examines leaks the material reason, also should inspect all parts. This is because the overheated temperature or the cleaning up process has the possibility to create part’s damage. If discovered that the part is damaged, should replace the part immediately.

Anole Hot Runner System for Injection Moulds

Mould heaters are basically used in hot runner system(anole) for injection moulds, the purpose is heating the whole hot runner system up to keep the plastic material under melting state so there won't any cold sub-runners or any vestige left on the molded part surface. Anole is one of the best mould heaters makers in China, can provide you mould heaters with best cost performance.

Mould heaters-hot nozzle ( heater or hot sprue bush heaters.
These series of mould heaters are used for the hot nozzles. Usually it has round or square at the cutting surface. Anole provides the square type nozzle injection molding heaters at 4.2*2.2mm but also can be customized according to the customers' requirements.

Hot nozzle mould heaters applications:

·         Hot runner system nozzle and bushings
·         Hot runner injection moulds
·         PET preform and thin wall container moulds
·         Hot runner crate moulds
·         Valve gate hot runner system
·         Pump mould injection molding

Hot runner nozzle mould heaters can be used either with or without thermocouples. If it is used with thermocouples, then it can be well installed and well connected with the nozzle body, but the disadvantage is: it can be interred with each other .If it is used without thermocouple. Then the hot runner system supplier has to install the heater and the thermocouple very well.

Anole hot runner system can offer flexible mould heaters with a layer of Ni outside of the heater which can cover the heat more than 80% back to the manifold. This series of fixable heaters has a lot of good advantages: easily installation fast heating full used headlong heating life easily replacement.etc. Anole supplies standard with 6mm×6mm and also can be customized.

If you have any requirements on Anole mould heaters or injection molding heaters, please contact us. Anole team will do the very best to satisfy you.