Precision CNC Turning of a Ductile Iron Driveshaft Flange

At Aztec Manufacturing, we specialize in precision CNC machining for almost any volume run. This low volume project was manufactured for a customer in Michigan, and designed for use in an automotive application as a drive shaft flange. The part required dimensions of 3″ in height, an outside diameter of 5.75″, with tolerances of ±0.0004″.

Composed of 7003 ductile iron, it utilized various precision machining processes. Machining of this product was conducted on our CNC lathe and included drilling, tapping, and boring. The inside diameter of the flange received spline broaching. Dimensional quality was monitored throughout with functional gage checks.

For more information on this project, or the processes used to manufacture it, see the table below or contact us directly.

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Highlights of this Precision CNC Turning Project

Product Description

This flange is used on a Vehicle’s Drive Shaft.

Precision CNC Turning Capabilities Applied/Processes

CNC Turning
I.D. Spline Broaching

Equipment Used to Manufacture Part

CNC lathe
Horizontal Machining Center

Overall Part Dimensions

O.D.: Ø 5.75″
Height: 3″

Tightest Tolerances


Material Used

D7003 Ductile Iron

Material Finish


In process testing/inspection performed

Functional Gage Checks

Industry for Use

Automotive Industry


Low volume

Delivery Location


Standards Met

Customer Specifications, 2D CAD Drawing

Product Name

Drive Shaft Flange

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