1、mail specifications disc material specification：
A. wire diameter：Φ4～Φ36mm
B. disc inner diameter：Φ800-1100mm
C. disc outer diameter：Φ1200-1400mm
D. disc height：2500mm
E. maximum load：3000kg（wire diameter φ4～φ36mm）。
l carrying method and productivity：
A. conveying method：cantilever bearing（when blasting ，indoor cantilever axis can work according to PLC program：rotate clockwise then counter clockwise；adjustable rotation time 。outdoor cantilever bearing axis is controlled by manual button，adjusted by operator through the electrical console
B. productivity：6-13 min/stick
C. effective length：4000mm-5500
D. spinning speed：10-20r/min（frequency）
3、surface quality requirement after treatment:
A. no iron scale remains on the steel surface after shot blasting
B. surface cleanliness：Sa2.5grade
C. surface roughness：Ra6.3～12.5 4．Environmental requirement：
A. Outdoor emission concentration：≤20-60.0 mg/m3
