Capabilities Applied/Processes

Primary:
CAM Programming
In-House Fixture Development - Tooling
CNC Vertical Turning
CNC Gear Shaping

Secondary:
Deburring

Equipment Used to Manufacture Part

1 Meter Vertical Turning Center
1.2 Meter Gear Shaper

Overall Part Dimensions

1000mm (39.4 in) Outside Diameter
874 mm (34.4 in) Inside Diameter
72 Teeth
12.1 Module (2.0992 D.P.)
270 mm (10.6 in) Face Width

Tightest Tolerances

Gear Measurement
• ± 0.064mm (.0025” inch) Measurement Between balls
• Gear Tooth Modification Needing Identified at 23.28° of Roll, via CMM Gear    Inspection
• Gear Quality: AGMA A8 / Q9

Steel Alloy Forging

Surface Finish Gear Tooth Profile .047 (μin.)

In process testing/inspection performed

On-machine inspection with gages or Faro Arm.

CMM Inspection

Mining

100 Pieces per Month in Production

Delivery/Turnaround Time

20 Day Lead Time

Customer Specifications
2D CAD Drawing
Customer Required Control Plan (SPC)
Geometric Dimensioning Tolerance

Project Challenges

This part highlights RMC's capability for precision course pitch internal gear shaping.