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Machining of a Steel
Crankshaft for a Metal
Stamping Press

Machining of a Steel Crankshaft for a Metal Stamping Press
Machining of a Steel Crankshaft for a Metal Stamping Press

The project highlighted here represents Columbia Machine Works reverse engineering capabilities, as well as precision machining. A metal stamping customer in Tennessee needed a replacement crankshaft for one of their metal stamping machines. The customer specification called out the use of 4140 HT steel, and dimensions of 102" in length, 12" in width, 14" in height and an overall weight of approximately 8,500 lbs.

To machine this large component required the use of a manual and CNC lathe, CNC milling, and polishing to finish the project. These precision processes allowed for tolerances of ±0.001" to easily be achieved, and for a turnaround of just 5 weeks. Columbia Machine Works understands the importance of maximizing production while maintaining high quality standards, which is why all precision CNC machine services are backed by the QM-1 Quality Assurance Program, and in full compliance with all JIC standards.

For more information about our machining and reverse engineering processes, see the table below, or contact Columbia Machine Works directly.

Highlights of Machining of a Steel Crankshaft for a Metal Stamping Press

Capabilities Applied/Processes
Primary:
Reverse Engineering
Machining
  • Turning
  • Milling

Secondary:
Deburring
Polishing
Equipment Used to Manufacture Part
CNC Lathe, CNC Milling Machine, Manual Lathe
Overall Part Dimensions
Product Length: 102"
Product Width: 12"
Product Height: 14"
Product Weight 8,500 lbs.
Tightest Tolerances
±0.001"
Material Used
4140 HT Steel
Material Finish
Polished
In Process Testing/Inspection Performed
Dimensional Inspection, Visual Inspection
Industry for Use
Metal Stamping
Volume
1
Delivery/Turnaround Time
5 Weeks
Delivery Location
Tennessee
Standards Met
Customer Specifications, 2D CAD Drawing
JIC Standards, QM-1 Quality Assurance
Product Name
New Steel Crankshaft
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