Zinc Alloy Metal Zip Puller Die Casting Machine Handbag Zinc Alloy Puller Die Casting Machine

25T Hot Chamber Die Casting Machine–Precision Thin-Wall High-Efficiency Forming Solution for Zinc Alloy Zipper Heads

This 25T hot chamber die casting machine is purpose-built for high-volume high-efficiency precision production of zinc alloy zipper heads, with hot chamber direct injection with rapid cycling + precision thin-wall forming + low-energy stable output as its core advantages—helping zipper manufacturers achieve high daily output, consistent dimensions, and controllable overall costs to meet the demanding requirements of the garment, luggage, and outdoor equipment industries for zipper accessories.

Precision Thin-Wall Formed in One Shot–Ensures Zipper Head Assembly Precision & Smooth Sliding

Zipper heads consist of multiple thin-wall functional sections—pull tab, cap cover, hook, and spring groove—where dimensional accuracy directly affects sliding smoothness and service life. This machine's hot chamber direct injection delivers short, stable filling, ensuring all sections fill simultaneously with dense, shrinkage-free castings—producing smooth, burr-free hook and spring grooves that effectively reduce assembly jamming and rejection rates, ensuring long-term zipper head reliability.

25T Clamping Force–Ideal for Efficient Small-to-Medium Precision Mold Production

The 25T clamping force is optimized for small-to-medium precision castings—combined with multi-cavity mold design, it delivers higher single-machine daily output with lower energy consumption. Its compact footprint suits zipper factory floor layouts and multi-variety production needs, offering a short ROI period.

Hot Chamber Direct Injection with Rapid Cycling–Reduces Oxidation Loss, Improves Material Utilization

The hot chamber process features short metal flow paths with direct injection through a sealed channel—reducing oxidation loss from metal-air contact and improving material utilization. Dense internal castings effectively lower rejection rates caused by porosity and shrinkage defects.

Surface Finish Assurance–Compatible with Electroplating, Sandblasting, Polishing & More

Castings achieve high surface finish, providing an excellent base for electroplating (gold/silver/gunmetal/chrome), sandblasting, polishing, and other finishing processes—ensuring strong coating adhesion and uniform color.

Digital Parameter Storage–Quick Changeover Between Styles

Supports storage and one-touch recall of multiple process parameters, enabling fast switching between zipper heads of varying sizes and styles.

With precision stability + high output as your dual drivers, achieve simultaneous gains in quality and efficiency in zipper head volume production.