Core Characteristics of Polytetrafluoroethylene Spiral Shafts
Material advantage
1.Corrosion resistance: It can withstand strong acids (such as concentrated sulfuric acid), strong alkalis (such as sodium hydroxide), and organic solvents, and its chemical stability far exceeds that of metal shafts.
2. Self-lubricating property: With a friction coefficient as low as 0.04-0.1, it is maintenance-free and free from oil contamination, making it suitable for clean environments (such as food and pharmaceutical equipment).
3.Structural Design
Helical geometry optimization: The pitch and helix Angle are dynamically calculated based on the load to ensure torque transmission efficiency (common pitch range: 5-50mm).
Enhanced variant: Optional glass fiber/carbon fiber filling (15%-40%), creep resistance is improved by more than 50%.
Typical Application Scenarios of Polytetrafluoroethylene Spiral Shafts
1. Chemical equipment: It is used for the stirring shafts of reaction vessels and the shafts of pumps for transporting corrosive media, replacing the traditional stainless steel + graphite coating solution.
2. Semiconductor manufacturing: The drive shaft in wafer cleaning equipment is resistant to high-purity chemicals and does not precipitate particles.
3. Medical equipment: Endoscope-guided screw shaft, certified by FDA/USP Class VI, and capable of high-pressure sterilization.
