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CNC Machining and EDM of a Stainless Steel Electrical Bracket for an Aerospace Application

Precision CNC Machining / EDM of a Stainless Steel Air Pad Hinge
Precision CNC Machining / EDM of a Stainless Steel Air Pad Hinge

Medical equipment manufacturing demands the kind of specialized expertise RB Tool & Manufacturing Company can provide. Our state-of-the-art facility and staff of knowledgeable technicians have helped us attain our reputation for providing exceptional quality and service. The part pictured here is a stainless steel air pad hinge designed for use on a CAT scan bed.

Composed of 420 stainless steel, this project required a number of precision machining processes. Raw material was turned to form blanks, which then went on to one of our vertical mills. The faces were hard milled after heat treat with wire EDM used to create the slots. EDM allowed us to achieve a distortion free result. These processes also enabled us to maintain + 0.1 mm/- 0.0 mm tolerances on this 88.90 mm diameter, 40.00 mm wide work piece. Secondary operations involved deburring, heat treating, and passivating to deliver the hardness and corrosion resistance that would enable this part to perform accurately and reliably over a long service life.

Quality was assured by means of CMM inspection, hardness gauging, as well as optical and visual inspections conducted in accordance with our ISO 9001:2008 quality management program. Current production volume of this air pad hinge is 300-500 pieces/year. If you would like to learn more about this project, or how our expertise in meeting the high standard demanded by the medical industry can help your specific application, contact us today.

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Highlights of this CNC Machining Project

Product Description
This part is used on a CAT Scan Bed
CNC Machining Capabilities Applied/Processes
Turn Blank
CNC Mill
Hard Mill Faces
Wire EDM Slots
Heat Treating
Equipment Used to Manufacture Part
Vertical Mill
Wire EDM
Overall Part Dimensions
Diameter: Ø 88.90 mm
Width: 40.00 mm
Tightest Tolerances
+ 0.1 mm / - 0.0 mm
Material Used
420 Stainless Steel
Material Finish
In process testing/inspection performed
Hard Gaging
Dimensional Inspection
Visual Inspection
Industry for Use
Medical Machinery
300 - 500 pcs/year
Delivery/Turnaround Time
3 - 4 Weeks
Delivery Location
FOB Origin
Standards Met
ISO 9001:2008
Customer Specifications, 2D CAD Drawing
Product Name
Air Pad Hinge