Hide gate traces ：For products with high appearance requirements, such as 3 C For electronic product shells, automotive interior parts, etc., gum horn glue can hide the gate inside the product or inconspicuous position, avoid leaving obvious gate marks on the appearance surface and improve the appearance quality of the product.
Optimize flow paths ：The arc-shaped runner design helps guide plastic to flow into the mold cavity more smoothly, reduces resistance and shear heat during the flow process, and makes the plastic filling more evenly, thereby reducing the risk of deformation caused by gate stress of the product, and reducing defects such as bubbles and shrinkage holes. 2。
Improve production efficiency ：The plastic flows smoothly, which can shorten the injection molding cycle. At the same time, the product and the water outlet material are automatically disconnected, reducing the process of manual trimming of water outlet material, improving production efficiency and reducing production costs 23。
Applicable scenarios
3C Electronics ：It is widely used in injection molding of mobile phone case, laptop buttons, tablet back cover and other components. These products require extremely high external finish and dimensional accuracy.
Car interior parts ：Components such as instrument panel buttons, hidden snaps, air conditioning outlets, etc. require both beautiful appearance and good assembly and usage performance. The method of glue injection of horns can meet these needs.
Medical equipment ：For medical equipment such as syringe push rods and transparent shells, which have high sterility requirements and strict appearance quality requirements, glue injection of horns can avoid contamination and damage to the product surface by the gate, while ensuring the product's molding quality.
Design Points
Point position ：To ensure the strength of the mold kernel, choose the appropriate glue injection position according to the shape and structure of the product, and avoid glue injection in weak parts or key appearance parts of the product 1。
Stealing rubber design ：The glue steals the glue at the rubber inlet point and the root of the cow horn, and the glue steals 0.3-0.5 at the rubber inlet point mm， And unilaterally increased by 0.5-1 mm， Do 30-degree inclined differentiation, and 30-degree angles of the horns are single-sided to facilitate smooth filling and smooth deformation and mold removal during ejection 1。
Multiple rubber import design ：For large or complex products, multiple horn glue inlets can be considered to ensure uniform filling of the plastic and avoid problems such as insufficient filling or welding marks.
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