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Hot foil stamping on cylindrical products such as bottle caps, cups, hoses, bottles and other products requires a curved surface hot foil stamping machine. The workbench of the curved surface hot foil stamping machine adopts the shuttle movement method to drive the product to rotate at a constant speed. The ironing plate of the curved surface stamping machine adopts a flat ironing plate, which can be installed with copper plates, zinc plates, and silica gel plates. When the ironing plate is pressed down, the stamping paper will be tightened. Pressed tightly on the surface of the product, the rolling process of the product will form a bronzing pattern in the circumferential direction.
There are many types of curved surface hot stamping machines according to the diameter of the hot stamping product. The larger the size of the hot plate, the larger the diameter of the hot stamping product. Most of the curved surface stamping machines are driven by cylinders to move the shuttle table, and hot stamping machine with higher requirements use oil-gas conversion cylinders to drive the movement of the shuttle table. The speed of curved surface stamping machines is generally slow, and the market oil for automated curved surface stamping machines has increased significantly in recent years.
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How to stamp on cylinder products?
Theoretically, all cylindrical products can be hot-stamped, but the hot-stamping process is slightly different for different materials:
1. Plastic (such as PET, PP, PE, ABS bottles)
Plastic products are easier. Generally, as long as you choose the right hot-stamping foil and the hot-stamping machine has enough pressure, you can do hot-stamping. Hot-stamping foils of different materials require different temperatures. Test them at a lower temperature first, and then gradually increase the temperature. Products such as cups and hoses should be supported by insert-type fixtures, and some hollow bottles should be made with air-blowing fixtures.
2. Metal (such as aluminum cans, stainless steel cups)
In principle, cylinders made of metal cannot be directly hot-stamped. You need to spray paint on the metal surface first, use a silicone plate for hot-stamping, or screen-print metal varnish, and use a silicone plate for transfer hot-stamping after drying. There is no special metal hot-stamping foil on the market, and you can use the hot-stamping foil on the paint surface for testing. Metal hot-stamping should use a higher temperature and a shorter hot-stamping time.
3. Glass (such as glass bottles and glass jars)
Glass cylinders cannot be directly hot-stamped. Special glass hot-stamping foil must be hot-stamped on glass paint. Therefore, glass hot-stamping also requires the establishment of glass coating or silk-screen glass varnish first, and then hot-stamping with silicone plate or silicone roller. Glass coatings are solvent-based and UV-based. Glass products are relatively smooth, and double-roller rotary fixtures are generally made for hot-stamping
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Main Product:
Automatic Screen Printing machine,
Automatic Pad Printing machine,
Automatic Hot Foil Stamping Machine,
Pad Printers ,
Screen Printers,
Hot Foil Stamping Machines
