Carbon fiber air shaft

The air shaft is widely used in the winding and unwinding of machinery such as coating, slitting, printing, rewinding, laminating, papermaking, bag making, plastic, etc., aiming to improve work efficiency.
Structural features:  
The main body of the shaft is made of carbon fiber material, designed according to mechanics, and the key strip circumference is evenly divided and staggered;
Aluminum convex or rubber key design, flexible expansion and contraction;
Equipped with a rubber inner liner and quick filling and exhaust nozzles, it has good sealing and long service life.
Specification parameters: 
Diameter range: 3-12 inches;
Maximum length: 4000mm;
Thickness: 5-30mm;
Surface texture: 3K diagonal, 3K plain, UD black, glossy, matte;
Coaxiality: within 0.05mm;
Temperature resistance performance: Normally, the size is stable between minus 50 ℃ and 120 ℃ (special customization can withstand temperatures up to 180 ℃).