Nine Dot SolutionsConsulting Mechanical Engineers

Pieter van Zyl

About Nine DotNine Dot is a consulting engineering company that specialises instructural analysis and design

Specialities include- Structural audits and failure analyses by means of Finite Element Analysis

- Wireless engineering data measurements and data manipulation

- Bulk material structure refurbishments and capacity upgrades

- Detail designs and manufacturing data packs

- Conceptual layouts and order of magnitude calculations

- New product design and development

Structural anddesign auditing- Structural audits to ISO, FEM, SANS or

Similar

- Failure investigations and root cause analyses

- Capacity upgrades and refurbishment procedures

• Stackers• Reclaimers• Shiploaders• Spreaders• Trippers

• Train loading stations• Wagon tipplers• Conveyor gantries• Take-up towers• General equipment

Wirelessmeasurements- Can measure the following:

- Stress/Strain

- Pressure

- Measurements can be taken for evaluation or continuous monitoring purposes

Refurbishments, capacity upgradesand modifications- Finite Element Analysis results and

supporting calculations are used as base line for refurbishment plans and possible capacity upgrades

Bucket Wheel Reclaimer capacity upgrade 1775tph – 2250tph

Detailed installation procedure

Manufacturing drawings of new/modified equipment

Addition of Tippler top stop mechanism

Slew bearing analysis- Analysis techniques are used to

accurately simulate slew bearing element forces

- Results are used to calculate expected bearing life based on structural configuration and construction details

Equipment replacement studies- Bulk material structures have

finite life, due to harsh operational environments

- Finite Element Analysis results and structural inspection reports are used to estimate expectancies

3 Cracks20, 50, 30mm

S&F 2010O’Connor

Corrosion on cab support

S&F 2010O’Connor

3 Cracks on take up

35, 15, 15mmS&F 2010O’Connor

Corrosion luff connectionS&F 2010O’Connor

Corrosion on mast pivotS&F 2010O’Connor

4 Cracks25, 30, 30,

25mm

CorrosionS&F 2010

CorrosionS&F 2010

2 Cracks90, 30mmS&F 2010

CorrosionS&F 2010

CorrosionS&F 2010

1 Cracks60mm

S&F 2010

1 Crack40mm

S&F 2010

CorrosionS&F 2010

CorrosionS&F 2010

Corrosion

180, 90, 80 Cracks

20, 20mmS&F 2010

CorrosionS&F 2010

Corrosion

1 Crack 40mm

3 Cracks30, 25mmS&F 2010

Corrosion on tow

bar

3 Cracks20, 20mmS&F 2010

6 Cracks100, 80, 80, 50, 100,

80, 50, 20mmS&F 2010

Several cracks30, 30, 30mm

S&F 2010

Corrosion

Corrosion

Corrosion

Corrosion

Corrosion

Corrosion on boom tipS&F 2010O’Connor

Severe corrosion on boom

S&F 2010O’Connor

Structural and machine design- Detail structural designs completed to

client requirements- Designs consist of:

- Detailed layouts- Supporting calculations to design

specifications including, ISO, SANS and FEM

- Finite Element analyses of complete structures/ identified components

- Detailed manufacturing data packs

ROM Sizing structures for MMD

220 m3 bin – fixed installation

ROM Sizing structures for MMD

GMEP – Semi Mobile ROM tip

Tipplers and Chargers

Rotaside to unit train tippler designs and upgrades

Bulk flow analysis- Material flow analyses

- Bin layouts

- Chute designs

Matching of wear patterns

Material flow pattern and build-up

Material spillage

Simulation for differentEquipment orientations

Simulate equipment movement

Throughput assessmentand blockage elimination

Other interesting projects

Thank youVisit us at: www.ninedot.co.za

Tel: 086 100 9DOT