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Precision CNC Machining of a Delrin Pocket Subassembly for the Medical Industry

Allied Precision was commissioned by a customer in the medical industry to manufacture a custom pocket subassembly and insert. Milling and turning processes were expertly carried out on our cutting edge CNC vertical mill, along with boring and drilling operations. The subassembly was manufactured from Delrin 500 or Acetron GP, brand names for an engineering thermoplastic known for its high strength and stability. Finished dimensions for the subassembly were 5.070" long x 3.406" wide x 6.017" high, with an internal diameter of 0.8530". The insert was composed of stainless steel tubing, machined to a smooth 63 RA finish. Completed dimensions for the insert were 3.625" long, outside diameter measuring 0.8550", inside diameter of 0.625", and weight of 0.117 lbs. The tight tolerances of +0.0000"/-0.0005" were held throughout machining, along with an angular tolerance of ± 1°.

Parts were deburred and assembled, packaged and shipped to the client in New Jersey. 72 inserts and 36 subassemblies were manufactured for this project, with a turnaround time of 3-4 weeks. Allied Precision is ready to take on the challenges particular to fabrication for the medical industry, including small scale machining and effectively manipulating the different materials specific to the medical industry. We meet the highest quality standards, producing clean, burr-free, high-precision parts. We handle production from responsive prototyping all the way to full-scale heavy volume. For more details about this pocket subassembly project, or further information about our medical machining capabilities, please see the table below or contact us directly.

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Precision CNC Machining of a Delrin Pocket Subassembly Project Highlights

Product Description
Delrin Pocket Subassembly for a Medical Application
Precision CNC Machining Capabilities Applied/Processes
  • CNC Milling
  • CNC Turning
  • Boring
  • Drilling
  • Deburring
  • Assembly
Equipment Used to Manufacture Part
CNC Vertical Mill 
Overall Part Dimensions
  • Length: 5.070"
  • Width: 3.406"
  • Height: 6.017" ± 0.010
  • ID: Ø 0.8530"
  • OD: Ø 0.8550"
  • ID: Ø 0.625"
  • Length: 3.625"
  • Weight: 0.117lbs.
Tightest Tolerances
+ 0.0000" / - 0.0005"
Angular: ± 1°
Material Used
Subassembly: Delrin 500 or Acetron GP
Insert: Stainless Tubing
Material Finish
63 Machine Finish
In process testing/inspection performed
Dimensional Inspection, Visual Inspection
Industry for Use
Subassembly: 36
Insert: 72
Delivery/Turnaround Time
3-4 Weeks
Delivery Location
New Jersey
Standards Met
Customer Specifications, 2D CAD Drawing
Product Name
Pocket Subassembly
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