1. Drying and Pre – heating in PET Blowing Process
    • In a PET (Polyethylene Terephthalate) blowing machine, the heat lamp is used to pre – heat the PET pre – forms. The 1500W power output provides sufficient heat energy. The 680mm length of the lamp can cover a certain area of the pre – forms, ensuring even heating. The 240V voltage is the power supply condition that allows the lamp to operate at its designed power.
    • Before the blowing process, the PET pre – forms need to be dried to remove any moisture. The infrared heat generated by the halogen – infrared heat lamp can penetrate the PET material to a certain extent. This helps in evaporating the moisture content, improving the quality of the final blown PET products. For example, if there is moisture present during the blowing process, it can lead to weak spots or deformities in the blown bottles.
  2. Shrink – Wrapping and Label Adhesion
    • The infrared heat from the lamp can also be used for shrink – wrapping operations related to PET products. When a shrink – wrap film is applied to a batch of PET bottles or other products, the heat lamp can heat the film, causing it to shrink and conform tightly to the shape of the products.
    • Additionally, in the case of label adhesion, the heat can activate the adhesive on the labels. The infrared heat can quickly dry and set the adhesive, ensuring that the labels adhere firmly to the PET surface. The clear halogen – infrared heat provides a relatively clean and efficient heat source for these processes.
  3. Mold – Heating and Temperature Maintenance
    • Some PET blowing machines have molds that need to be maintained at a certain temperature. The 1500W heat lamp can contribute to keeping the mold at the appropriate temperature. By placing the heat lamps near the molds, the infrared heat can transfer to the mold material. This is important because a consistent mold temperature is crucial for the proper shaping and quality of the blown PET products. If the mold is too cold, the PET may not form correctly, and if it’s too hot, it can cause over – thinning or other defects in the product.

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