Xử lý sự cố máy đóng gói chân không: Cách thay thế dây hàn nhiệt bị đứt và vải cách nhiệt PTFE

When it comes to the use and maintenance of máy đóng gói chân không, one of the most common issues is the inspection, maintenance and replacement of the heat-sealing mechanism, among which the heat-sealing wire and PTFE insulation cloth are the factors that most directly affect the sealing quality.

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Vacuum packaging machine heat-sealing element components

Cách thay dây hàn nhiệt của máy đóng gói chân không
Cách thay dây hàn nhiệt của máy đóng gói chân không
Cách thay dây hàn nhiệt của máy đóng gói chân không

The heat-sealing element is mainly composed of:

  • The support rod that the other components are fixed on it. This rod is made of phenolic, super solid and durable, rarely have a problem with it, unless any unexpected external forces cause damage to it.
  • The heat-sealing wire which is used to heat-seal vacuum bags at an appropriate temperature. Currently the heat-sealing wires are usually made of Nickel alloy, which offers a longer service life and better sealing quality.
  • The PTFE heat insulation cloth, prevents the vacuum bags from burning out
  • Fixing components that fix the sealing wire and PTFE cloth on the support rod: the copper blocks at the end of the support rod, screws, etc.
Cách thay dây hàn nhiệt của máy đóng gói chân không

Why do we need to change broken heat-sealing wires and PTFE insulation cloth

Heat-sealing wire is the direct heating device for the vacuum bags, and the PTFE insulation cloth is the protective item that directly contact with the vacuum bags.

Broken heat-sealing wire instantly results in failure vacuum sealing. Broken or wrinkled PTFE insulation cloth is likely to cause wrinkles in the sealing area.

Cách thay dây hàn nhiệt của máy đóng gói chân không

PTFE insulation cloth has another function, which is to prevent direct contact between the heat-sealing wire and the metal press bar for vacuum bags, as shown in the above picture. When the vacuum chamber cover is closed, if there’s no PTFE insulation cloth, once the heat-sealing wire contacts the metal press bar, it will cause a short circuit, which greatly reduces the service life of the heat-sealing wire, and may cause damage to other electrical components.

How do we deal with the heat-sealing wires and PTFE insulation cloth issues with our vacuum packaging machines

We are very concerned about our vacuum packaging machines creating more value for customers, so we strive to ensure that our equipment has higher stability, fewer failures and longer service life. In addition to the one-year warranty period for core components of our vacuum packaging machines, we also send enough accessories with the machine when we ship, including at least 10 high-quality heat sealing strips and a roll of PTFE insulation cloth (about 50 meters long), which can meet at least 1 year of demand. If you need more accessories, you can contact us in advance to purchase them.

Cách thay dây hàn nhiệt của máy đóng gói chân không

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Xử lý sự cố máy đóng gói chân không: Cách thay thế dây hàn nhiệt bị đứt và vải cách nhiệt PTFE
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