Specifications and parameters:

1. Width: 1200~2000mm

2. Diameter: φ1500mm, φ2016mm, φ2700mm，φ3000mm，φ3600mm

3. Production specification: 3.5~105μm

4. Static balance: <3N.M

5. Material of titanium ring: TA1

6. Thickness of titanium ring: >10mm(+0.5,-0)

7. Grain size grade: ASTM≥12 (=9.5 when the remaining thickness of titanium is 6mm)

8. Surface of cathode drum: no pinhole, no indentation, no scratches, no color differences, no spots and other defects 

9. Surface roughness of cathode drum: 0.3μm

Edge and plane of cathode drum keep right angles and acute angles.

10. HPVC is used for edge side panel. There is no deformation of the side plate and the thickness of side plate is 30mm.

11. Arc coaxiality of cathode drum: ±0.05

12. Straightness of cathode drum: ±0.05mm