Adjusting the temperature of the sealing machine to achieve the best sealing effect requires comprehensive consideration of multiple factors, including the type and thickness of the sealing material, as well as the required sealing strength. The following are the adjustment steps and precautions for the sealing machine:
First, it is necessary to clarify the type of sealing material used (such as plastic film, aluminum foil composite film, etc.) and thickness. Sealing materials of different materials and thicknesses have different temperature requirements.
Most sealing machines will come with an instruction manual, which will detail the method and range of temperature adjustment. Before adjusting the temperature, be sure to read the manual carefully to ensure that the operation is in accordance with the equipment requirements.
Power on: Make sure the sealing machine is properly powered on and preheated to a stable state.
Rotate the temperature control meter: According to the thickness and type of the material, rotate the temperature control meter of the sealing machine to initially set a temperature value. Generally speaking, thicker materials require higher temperatures, while thinner materials require relatively lower temperatures.
Preheating: Wait for the internal temperature of the sealing machine to reach the set value and stabilize. The preheating time varies from equipment to equipment, usually taking a few minutes to more than ten minutes.
Test sealing: Put a small piece of sealing material into the sealing machine for test sealing. Observe the sealing effect, including the firmness, flatness and aesthetics of the seal.
Adjust the temperature: If the test sealing effect is not ideal (such as loose seal, bubbles or wrinkles, etc.), the temperature needs to be adjusted according to the actual situation. Generally speaking, if the seal is not firm, the temperature can be appropriately increased; if the seal is deformed or wrinkles appear, the temperature needs to be lowered.
Multiple tests: After adjusting the temperature, test seal again, and test repeatedly until the optimal temperature value is found.
Avoid too high or too low temperature: Too high temperature may cause the sealing material to melt excessively or burn, affecting the sealing quality and product appearance; too low temperature may cause the seal to be loose or unable to seal.
Uniform heating: Ensure that the sealing machine can evenly heat the sealing material during the sealing process to avoid local overheating or overcooling.
Regular inspection and maintenance: Regularly inspect and maintain the sealing machine to ensure that the equipment is in good working condition. In particular, key components such as temperature control systems and heating elements require special attention to their performance and stability.
Huaqiao Packing Machine Factory(KUNBA)
Booth No: M01
Exhibition Name: The 22nd Vietnam International Printing Packaging Industry Exhibition
Date: September 18-21, 2024
Venue: Ho Chi Minh City International Exhibition Centre, Vietnam
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