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The absolute advantage of hot runners compared with cold runners

Release time:2018-05-21 12:05  

1. Shorten the period of forming the parts

    Because there is no gating system cooling time limit, the workpiece formed after curing can be timely top out. Many of the thin-walled parts produced with hot runner molds can be formed under 5 seconds.

2. Save Plastic material

    In the pure hot runner mold because there is no cold runner, so no production costs. This is particularly important for applications where plastic prices are expensive. In fact, the major hot runner manufacturers in the world have been developing rapidly in an era when the prices of oil and plastic materials are expensive. Because hot runner technology is an effective way to reduce the cost of materials.

3. Reduce waste and improve product quality

    In the process of hot runner mold forming, the melt temperature of the molten plastic is controlled accurately in the flow channel system. The plastic can flow into each cavity in a more uniform state, and the result is a consistent quality part. The casting quality of hot runner is good, the residual stress is low after demoulding, and the deformation of the part is small. So many high-quality products on the market are produced by hot runner mold.

4. Elimination of subsequent processes, conducive to production automation

    Workpiece after the hot runner mold is finished, no need to trim the gate and recycling process such as cold runner. Facilitate the production of automation. Many foreign products manufacturers combine hot runner with automation to greatly improve production efficiency.

 

 

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