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Haochen 20 years of focus on multimode cavities and small spacing hot runner

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The two most important technical factors in hot runner design

Publisher: Administrator Date: 2023-11-02

A successful hot runner mold application project requires multiple links to ensure. The two most important technical factors are.

Haochen Hot Runner has been producing hot runner systems for many years, and has rich professional knowledge and practical experience in the design of hot runners. Below is a brief introduction to the two most important technical factors in hot runner design.

One is the control of plastic temperature, and the other is the control of plastic flow. 1. The control of plastic temperature is extremely important in the application of hot runner molds. Many processing and product quality issues that arise in the production process directly stem from poor temperature control in the hot runner system. For example, when using the hot needle gate method for injection molding, there are issues with poor quality of the product gate, difficulty in closing the valve needle when using the valve gate method for molding, and inconsistent filling time and quality of parts in multi cavity molds. If possible, a hot runner system with separate temperature control in multiple areas should be chosen as much as possible to increase flexibility and adaptability in use.

The second is the control of plastic flow. Plastic should flow evenly in the hot runner system. The gate should be opened at the same time to synchronously fill the various cavities with plastic. For FAMILYMOLD with significant differences in component weight, runner size design balance should be carried out. Otherwise, there will be problems such as insufficient mold filling and pressure retention for some parts, excessive mold filling and pressure retention for some parts, and poor quality due to excessive flash. The size design of the hot runner runner should be reasonable. The size is too small, and the filling pressure loss is too large. If the size is too large, the volume of the hot runner is too large, and the plastic stays in the hot runner system for too long, which damages the material performance and causes the parts to fail to meet the usage requirements after forming.



Dongguan Haochen Hot Runner Technology Co., Ltd
Contact Us:
Mobile: 13712972461
Tel: 0769 85478528/400 0988 117
Fax: 0769-85478508
Email: [email protected]
Website: www.lijianxd.com
Address: No. 11 Zhenlang Road, Wusha Caiwu Industrial Second Road, Chang'an Town, Dongguan City

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