Design Expertise
Process Design
- NCPI utilize modified Bond Theory with proven Service factors established from our extensive practical experience for Ball Mill sizing.
- SAG/AG mills are sized using a hybrid model, including published information from Barrett, Austen & Morrell.
- NCPI has developed a Specific Energy / Breakage distribution model for accurate SAG Mill sizing.
- This model offers more circuit detail e.g. PFD’s, PSD’s, Mass Balance, Stream products, particle size distribution prediction), covers the full comminution plant (screening milling, classification).
Mechanical Design
- FEA Structural Analysis, Completed in house – allowable to Anglo American stress limitations (In accordance with AAC323001 specification).
- Trunnion pad and sleeve bearing design using fluid film and FEA techniques in accordance with BS7608 specifications.
- Gearbox Design submitted for NCPI review to AGMA 2001:C95. NCP specify a SF of between 2.0- 2.3.
- Bearing life L10basic >52,000hrs. Pinion Bearing life L10h > = 100 000 hours.
- NCPI Specification stipulates Couplings SF > 2.0.
- Open gearing designed according to AGMA 6014: B15 and AGMA 321.05.
E & I Design
- Comprehensive Electrical, Instrumentation & control system design services.
- Expert management of VSD specialist sub-contractors and main drive motor design.
- Detailed PLC design & implementation with precise E&I interface management.
Copyright ©2023 NCP International. All Rights Reserved