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![Reasonable setting method of injection molding pressure holding]()
Reasonable setting method of injection molding pressure holding
In injection molding, the process has two main stages. In the first, 90% - 99.9% of plastic fills the mold. In the second, the product is compacted, which is vital for surface and dimension quality. T
2025/01/26 pressure holding
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![What is the exhaust of the mold cavity? What is sufficient exhaust]()
What is the exhaust of the mold cavity? What is sufficient exhaust
Significance of VentingVenting is crucial, especially for thin - walled products and areas far from the gate. For small or precision parts, venting is also essential. It prevents surface burns, short
2025/01/24 Exhaust of the mold cavity
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![Knowledge of pressure regulation during plastic injection molding]()
Knowledge of pressure regulation during plastic injection molding
In injection molding, whether with hydraulic or electric machines, all motions generate pressure. Proper pressure control is crucial for quality products.Pressure Regulation and Measurement SystemHydr
2025/01/22 Pressure Regulation in Plastic Injection Molding
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![Injection molding is not complete how to do?]()
Injection molding is not complete how to do?
Adjusting the production process is crucial for enhancing product quality and output. Given the short injection - molding cycle, poor process control will yield numerous defective products. When makin
2025/01/20 Injection molding problems
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![What is the closed-loop system of injection molding machine?]()
What is the closed-loop system of injection molding machine?
The injection molding control system is a cyclic process that contains a set of preset programs. The next cycle will run only when certain conditions are met. The inspection and monitoring of these co
2025/01/18 closed-loop system
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![Plastic gear injection molding process and material analysis]()
Plastic gear injection molding process and material analysis
Development Trends of Plastic GearsPlastic gears are advancing towards larger sizes, more complex geometries, and higher strength. High - performance resins and long glass fiber - filled composites dr
2025/01/15 Plastic gear injection molding
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![Comparison of shrinkage rate of common plastics]()
Comparison of shrinkage rate of common plastics
The shrinkage rate of plastics refers to the percentage by which the size of a plastic product shrinks relative to the size of the mold cavity after it is taken out from the mold and cooled to room te
2025/01/10 Shrinkage rate of plastic
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![Plastic raw material quality index glossary]()
Plastic raw material quality index glossary
1. Density and Relative DensityDensity: Mass per unit volume of a substance, calculated as mass - to - volume ratio. Units are Mg/m3, kg/m3, or g/cm3.Relative Density: Ratio of a substance's densi
2025/01/08 Plastic raw material
