Among the curved printing equipment, the most common are curved screen printers and curved offset printers.
Vacuum forming machine is mainly applicable to PVC, PS, expanded PSP, PP, pet, biodegradable PP, and other crimped plates.
The working principle of the plastic injection molding machine is similar to that of a syringe for injection. It uses the thrust of the screw (or plunger) to inject the plasticized plastic in the molten state (that is, the viscous state) into the closed mold cavity. The process of obtaining products after curing and shaping. Injection molding is a cyclic process, each cycle mainly includes: quantitative feeding - melting and plasticizing - pressure injection - mold filling and cooling - mold opening and taking out. After the plastic parts are taken out, the mold is closed again for the next cycle.
Full automatic vacuum suction molding machine (also known as thermoplastic molding machine) uses vacuum suction to suck thermoplastic coiled materials such as PVC, PE, PP, Pet, hips, etc. heated and plasticized into high-grade packaging decoration boxes, frames, and other products of various shapes.
Curved surface printing equipment is not only silk screen printing, but also pad printing, heat transfer printing, offset printing, etc. the printing technology used by different printing equipment may also be different. For example, silk screen printing is hole printing, pad printing is special printing, and offset printing is lithographic printing. Today, I can't talk about so much curved surface printing equipment. Let's talk about the printing principle of offset printing in curved surface printing equipment.
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