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CNC Turning of Custom Steel Gear Shaft Weldment for a Gear Box Manufacturer

Steel Pinion Shaft A company that manufactures gear boxes approached Butler Gear Enterprises, LLC. for custom CNC turning of a gear shaft weldment. We began by cutting the raw material (4140H steel) to size, then used a CNC lathe to turn the pinion and shaft to the client's specifications. The pinion shaft weldment was then heat treated (annealed). Finally we Heliarc welded the rim, web and hub.

The finished assembly weighed 150 lbs and measured 22.5" in outside diameter, 18.5" in inside diameter, and 8.00" in height. Throughout manufacturing, we upheld tightest tolerances of .001". To guarantee the quality of the weldment, we used magnetic particle inspection to make sure all the fillet welds were 100% ready for use.

A .001 machining tolerance was maintained throughout manufacturing.

If you have any questions about this CNC turning project please see the details below. For information about our other high-quality services please contact Butler Gear.

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CNC Turning of Custom Steel Gear Shaft Weldment Project Highlights

Product Description This Gear Shaft Weldment is used within a gearbox.
Capabilities Applied/Processes
Sawing
  • Cut Raw Material to Length
CNC Turning
  • Raw Material to Size for Assembly
Heat Treatment
  • Anneal
Welding
  • Heliarc
  • Weld Rim, Web, & Hub
  • Hob Cutting Gear Teeth
Overall Part Dimensions
Material:
O.D.: Ø28"
Height: 8"
Finished:
O.D.: Ø22.5"
Height: 8.00"
Tightest Tolerances .001
Material Used 4140H Steel
Max Material Finish 63 RMS
Hardness 23-32 Rc
In process testing/Inspection performed
Magnetic Particle Inspection
  • Inspect all Fillet Welds
100% Inspection & Documentation
Estimated Part Weight 750 lbs
Industry for Use Gear Box Manufacturing
Volume 50
Delivery Location USA
Standards Met Customer supplied print, 2D CAD Drawing
ISO 9001:2008
Product Name Custom Gear & Shaft Weldment

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