Case Study Mirage machines

VALVE BORING

willhartshorn Case Studies, Custom Leave a Comment

The Mirage VB650 boring machine REQUIREMENT: Steam valve seat removal and refurbishment. SOLUTION: Development and use of the Mirage VB650 boring machine. OUTCOME: Deep boring capability was achieved (This was previously not possible).

Case Study Mirage machines

STEAM TURBINE BLADE REFURBISHMENT

willhartshorn Case Studies, Custom Leave a Comment

REQUIREMENT: Develop machines to drill out the blade retaining pins for use when refurbishing turbine blades and to provide an accurate method of cutting the worn and damaged blade tips efficiently and precisely. SOLUTION: Mirage developed the PD760 and BLS760. The PD760 removed the need to use pistol drills with fixtures and reduced the volume of tooling consumed in the …

Case Study Mirage machines

HYDRO UNIT REFURBISHMENT

willhartshorn Case Studies, Custom Leave a Comment

The adapted Mirage MM1875ie being moved into position. The machine is rested onto a support platform and clamped into position using the 8 legs and adjustable jaws. REQUIREMENTS: Benmore is New Zealand’s second largest hydro station and generates enough electricity each year to power around 298,000 average New Zealand homes. As part of a major refurbishment project, the customer wanted …

Case Study Mirage machines

COUPLING BORING

willhartshorn Case Studies, Custom Leave a Comment

REQUIREMENT: Prepare rotor couplings to fitted bolt diameters. SOLUTION: Designed a high precision boring machine to achieve demanding parallel concentric tolerances. OUTCOME: – Tolerances of 0.005mm achieved. – Operations capable outside shutdown periods. – Possible to exchange rotors from plant to plant.

Case Study Mirage machines

BALL MILL TRUNNION REFURBISHMENT

Alan Hillier Case Studies, Custom Leave a Comment

REQUIREMENT: When a mining site developed running problems with a ball mill, worn journal diameters were diagnosed as the cause. Mirage developed a system to re-machine the journals to allow new bearing liners to be fitted in-situ – removing the need to dismantle the trunnions. LOCATIONS: Australia and South Africa. EQUIPMENT UTILISED: Mirage SRB3000-H For external machining the machine has a …