MASTER CUT EDM OFFERSWIRE, SMALL HOLE, & LARGE PART ELECTRICAL DISCHARGE MACHINING (EDM) SERVICES

Wire Electrical Discharge Machining (EDM) of Forged Coupling for the Marine Industry

Master Cut EDM, which is known for its ability to use wire electrical discharge machining on prototypes and one-offs, handles low-volume production for the aerospace, marine, automotive and appliance industries.

Our precision Makino U86 wire EDM machine can handle fully submerged parts up to 50"x36"x20" but can take on even larger sizes if they don't need to be fully submerged.

For this project, we wire electrical discharge machined a tapered coupling that would connect the propeller shaft to a 12,000 HP marine diesel engine. Because the part would be subject to extreme loads and stresses, it was produced in forged steel, which was selected for its uniform composition and structure, strength and reliability. Forged steel is often the best option when quality and integrity must be a given.

We used wire EDM on our state-of-the-art Makino U86 wire EDM, ensuring the part met extremely tight tolerances of +/-.0005. Master Cut EDM performed in process testing and inspection, and verified specifications with certified gage blocks prior to additional inspections by both the marine customer and the U.S. Navy.

We were able to precision machine each of the three, 3,000 lb., forged steel, tapered couplings in 13 days for delivery to Virginia.

We've included additional information regarding this wire electrical discharge machined project in the chart below and look forward to discussing how Master Cut EDM can meet your needs.

Marine CouplingMarine Coupling

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Wire Electrical Discharge Machining (EDM) of Forged Coupling Project Highlights

Product Description
  • This tapered coupling is used within a marine diesel engine; it connects the propeller shaft to a 12,000HP engine.
Capabilities Applied/Processes
  • Wire Electrical Discharge Machining (EDM)
    • Cut 18" Tapered Bore
    • Cut 4 Tapered Keyways
Equipment Used to Manufacture Part
  • Makino U86 wire EDM
Overall Part Dimensions
  • Forging:
  • Diameter: Ø32"
  • Height: 16"
  • Features:
  • Taper: 18"
  • Keyways: 3.75" Wide x 4
Tightest Tolerances Required
  • +/-.0005
Material Used
  • Steel
In process testing/inspection performed
  • Verified with certified gage blocks. Later inspected by customer and U.S. Navy
Industry for Use
  • Marine
Part Weight
  • 3,000lbs Per Forging
Volume
  • 3 Units
Turn Around Time
  • 13 Days Per Part
Delivery Location
  • Virginia
Standards Met
  • Customer supplied specifications
Product Name
  • Tapered Coupling

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