high quality ball mill parts end cover from professional China factory
Ball mill end cover:
We are professional supplier in producing mill components and cement kiln components.Our components can meet the requirement of most kinds of mills. We supply components service not only for mill manufacturer but also for whom in maintaining.
1. Material: ASTMA-27 grade 70-40 Class 1
2. Mechanical Property
Yield Strength | ≥275 MPA |
Tensile Strength | ≥485MPA |
Elongation | ≥22MPA |
NO | Item | structural features | processing measure | Test content |
1 | cylinder | (1) massive structure (2) L flange (3) finite element analysis (4) Surrounding the manhole mechanical processing | (1)union melt welding (2) Whole annealing after welding (3) polishing treatment (4) Processing and ensure that both ends of the positioning alignment | (1) Material certificate, review material machinery performance and chemical composition (2) Cutting edge around the ultrasonic flaw detection (3) Weld ultrasonic testing |
2 | End cap and Hollow shaft | (1) High quality cast steel (2) R rounded corners (3) High strength bolts connected to the cylinder | (1) Molten steel refining outside the furnace (argon blowing and R - H vacuum processing) (2) Modelling using special sand, strict control of pouring temperature and casting speed (3) Shaft processing, assurance and coaxial degree and the roughness of the face | (1) Mechanical properties and chemical composition of casting billet (internal control standard) (2) Ultrasonic testing after rough machining (3) Ultrasonic testing and magnetic particle inspection after finishing |
item | spec |
normal materials | 45 steel |
better materias | 16mn5 |
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