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RAIL

• Traction Gearing
• Bogie Manufacture and Upgrade
• Wheel and Axle Components
• Inspection and Failure Analysis
• Component Refurbishment

Spiral Bevel Gears

• Case carburized TO 58—62 HRc and precision cut to DIN Class 3
• Capacity to manufacture spiral bevel gearing up to 3.4m.

Pinions

• Case carburised and accurately ground including taper crowning. A shot peened full root radius on our pinions provides a substantial strength increase.

Bull Gears

• Case carburized & shot peened and ground and/or skived
• Tooth by tooth full contour induction hardened and ground
• Profile regrinding of old worn bull gears to better than new AGMA 12 accuracy (gears can remain on axle)

STATE OF THE ART ROBOTIC BOGIE PRODUCTION

Robotic Fabrication Capacity

• 2x7 Axis robotic welding arms
• 2x5T robotic manipulators
• Fully automated robotic fabrication

Bogie Machining

• The bogie frames precision machined on one of our CNC heavy machining centres.

Bogie Fabrication

• CERTIFIED TO ISO3834 & EN15085 Bogie frames can be completely fabricated using both certified welders and robotic welding. Full
  stress relieving is also available.

MANUFACTURE & ASSEMBLY OF WHEELS & AXLES

Machining Wheels

• Forged wheels finished machined on one of our six Heavy Duty CNC 5 Axis Machining Centres including multi pallet changer.

Machining Axles

• Axles manufactured to AAR Standards or higher. Sourcing of forged material, NDT tested and finished machined.

HOFMANN’S RAIL TRACK RECORD:

Bogie Manufacture

• 882 High Capacity Metropolitan Train (HCMT Melbourne) Bogies are built in Bendigo
• 330 B Class Yarra Tram Bogies are built in Bendigo (165 Motor Bogies, 165 Trailer Bogies)
• 432 of the C-series Metronet Bogie frames
• Refurbishment of the Perth B-series bogies

Axle and Wheel Manufacture

• 1,764 HCMT Axles and 3,528 HCMT Wheels are manufactured in Cheltenham
• Bochumer Verein Verkehrstechnik (BVV Germany) provides the design and the forgings.
• Hofmann Cheltenham has been audited and approved by BVV
• Precision machining within 10 micrometers accuracy required for the wheels

Cast Parts

• Hofmann are manufacturing 18,000 Cast Parts for the HCMT
• The castings are sourced by Hofmann directly from CRRC approved vendors

Hofmann Rail Key Features

• One Stop Shop for Rail Manufacturing
• Hofmann Bendigo and Perth currently has the most advanced Bogie production line in Australia
• Hofmann can assure sustainability of investments through the variety of its product range and the strong position in the defence sector.

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To contact Hofmann Engineering Pty. Ltd. about Rail by Hofmann Engineering use Get a quote.