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What do you know about the hot runner molds?

The structure of the hot runner mold is generally the same as that of the thin nozzle. The biggest difference is that the runner is located in one or more hot runner plates and hot nozzles with constant temperature. There is no cold material demoulding, the runner and gate are directly on the product.
Therefore, the runner does not need to be demolded. This system is also known as the nozzleless system, which can save raw materials. It is suitable for the product that the raw materials are expensive and the product requirements are high.
Hot runner system, also known as hot sprue system, is mainly composed of hot runner sleeve, hot runner plate and temperature control electric box. There are two types of hot runner system: single point hot sprue and multi-point hot sprue.
Single-point hot sprue is to use a single hot sprue sleeve to inject molten plastic into the cavity directly. It is suitable for plastic molds with single-cavity and single-gate; multi-point hot-gate is to branch the mo…
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How to increase the brightness of ABS plastic injection products

First, injection mold
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Why will TWS become the mainstream of headphones?

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Apple fully open loophole bounty program

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5 Ways to help you remove the scratch from your mobile phone

Now everyone has a big screen smart phone, but if you do not buy a protective shell or cover, it is easy toscratch at the back rear cover or the screen, even if it was covered by the whole wrap protective case, there will inevitably be some scratches on the screen. Here are some tips that you can DIY to remove scratches on your phone, the effect is magical, have a try! 1, toothpaste
Toothpaste can be used in many occasions to scratch, toothpaste contains solid calcium carbonate, silica and other ingredients have the effect of grinding, and because of the hardness and screen glass similar, often can have a good  effect on removing scratch. But don't use children's toothpaste to clean your phone screen. Just use regular toothpaste.First, squeeze a little bit of toothpaste on a cotton swab or a clean cloth, then paint a circle around the scratched area and wipe gently until the scratch is gone. Finally, wipe off the excess toothpaste gently.
2,vegetable oil

Vegetable oil contains the …

It can help you go further and play a bigger role (To Airpod pro)

You come from the applause of the people with a ton of new features and a complete redesign.People in the world only see your brilliance, strength, worth;they praise you, appreciate you and bring you with them everyday.But we see your vulnerability. You need good protection,because you have to go to many places and meet many people.To offer more protection to you, we did a lot of preparation( new premium material,new design and upgraded technology)before you come.This Grandshine protective case is designed for you specially.
See what Grandshine Airpod pro protective case offer to you:
Premium Material: Grandshine’s newly upgraded Airpod pro protective case was made of premium soft silicone which has stable chemical properties, good thermal stability, high temperature and low temperature resistance.With the shock-absorbent and resistant to scratches main feature, i can protect you from scratches, drops, dents, etc. and fits really well and offer a good feel for your owner without adding …