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Blind I.D.
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Precision CNC Turning of a Steel Double Step Crankshaft with Blind I.D.

Stepped O.D. with Blind I.D.
  [click to enlarge]
Stepped O.D. with Blind I.D.

At Alloys Unlimited, we specialize in Pre-Machining for a wide range of applications. The single step highlighted here was designed for use in a power generation application. The customers supplied 2D CAD drawings which called out for dimensions of 25 in length, with an outside diameter of 20, machined to tolerances of ±0.125. To learn more about this project, or the processes used to machine it, see the table below or contact us directly.

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Highlights of a Pre-Machining Project

Product Description This is used as Crankshafts in the Power Generation Industry
Capabilities Applied/Processes Primary:
Pre-Machining / Precision Bored
Equipment Used to Manufacture Part Turret Lathe
Overall Part Dimensions O.D.: Ø 20"
Length: 25"
Tightest Tolerances ± 0.125"
Material Used 4140 Steel, 4150 Steel, 1045 Carbon Steel
H13 Tool Steel, A2 Tool Steel, D2 Tool Steel
Material Finish 100 RMS
In process testing/inspection performed Dimensional Inspection
Industry for Use Power Generation Application
Volume Unlimited
Delivery/Turnaround Time 5 7 days
Delivery Location Eastern United States
Standards Met Customer Specifications, 2D CAD Drawing
Product Name Single Step O.D. with Blind I.D.
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