Repair of Bridge Drive Gear Case for the Steel Industry

Repair of Bridge Drive Gear Case for the Steel Industry
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Repair of Bridge Drive Gear Case for the Steel Industry

Our ability to handle large components, along with our expert gear box knowledge, brought this client from the steel industry to our facility. This repair project required us to repair and rebuild the bridge drive gear case on a crane that moves steel slabs. To make the repairs we applied MIG welding to repair cracks, and buildup bores. We then used our CNC machining capabilities to re-machine the bores to print specifications, machine the ring seal for output shaft, and ream the holes. We then assembled the gear case with all new hardware, re-plumbed with all new plumbing and lube lines, installed bearing seals, pressed gears on shaft, installed idler wheel assembly, and aligned and installed seal ring. This 8.5’ high x 9’ long x 4’ wide gear case was sandblasted before we applied a coating of signal yellow paint. After final inspections and test runs, we delivered this case to the client’s facility in Middletown, Ohio, fulfilling the requirements of this project.

The following table outlines this repair of a bridge drive gear case project. To learn more, please contact us today.

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Repair of Bridge Drive Gear Case- Project Details

Product Description This Bridge Drive Gear case is used in a crane moving steel slabs
Drive Gear Repair Capabilities Applied/Processes Primary:
  • MIG
  • Repair Cracks
  • Buildup Bores
CNC Machining
  • Milling, Turning
  • Re-Machine Bores to Print
  • Machine Ring Seal for Output Shaft
  • Ream Holes
Hydraulic Press

Disassembly & Re-Assembly
  • Hardware-Assemble Gear Case w/ All New Hardware
  • Plumbing-Re-Plumb w/ all new Plumbing & Lube Lines
  • Install Bearing Races & Seals
  • Press Gears on Shaft
  • Install Idler Wheel Assembly
  • Align & Install Seal Ring
Expertise Master Machinist
Experienced Welders
Equipment Used to Rebuild Part Manual Lathe CNC Mill
Overall Part Dimensions
  • Length, Width, Diameter
    8.5' high x 9' long x 4' wide
Material Finish Paint Safety Yellow
In process testing/inspection performed In Process Inspection
NDT Testing
  • Dry Mag particle/ Dye Penetrant
Final Inspection/Test Run
Industry for Use Steel Industry
Volume 1
Delivery/Turnaround Time 3-4 Weeks After Receipt of Order
Delivery Location Middletown, Ohio
Standards Met Customer Specifications, 2D CAD Drawing
Product Name Bridge Drive Gear Case
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