Structural design: TPU gun head protective cover usually includes an insulating porcelain sleeve, a compression ring and a conical protective cover. The outer wall of the insulating porcelain sleeve is threaded with the inner wall of one end of the pressing ring, and the outer wall of the large-diameter end of the protective cover is provided with a fixed ring, which is located between the convex ring and the insulating porcelain sleeve end and is respectively contacted with the two.

Diversion cooling gas: Several vents are opened on the cone of the protective cover, which can play a role in the diversion of the cooling gas in the welding torch, both cooling the welding torch and avoiding affecting the plasma arc.

Prevent molten metal from blowing back: During the plasma cutting process, the protective cover gathers the protective air around the plasma gas column to prevent the melting metal from blowing back into the cutting gun during the cutting process, preventing the reflected heat.


In summary, the TPU gun head protective cover, using its material characteristics and structural design, plays an important role in protecting the gun head, diverting the cooling gas and preventing the reverse blowing of molten metal, and is an important tool to improve cutting efficiency and protect the safety of operators.