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Zeman Manufacturing Company | Custom Metal Tube Cutting & Fabricating
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Custom Manufacturing of Surgical Devices for the Medical Industry


At Zeman Manufacturing Company, we are known for our custom metal tube fabricating and precision cutting skills. We recently received an order for suction tubes for metal surgical devices. Due the outstanding breadth of our tube fabricating capabilities, we were able to fabricate and deliver these complex parts to the customer with a quick turnaround time.

Recognizing that any device to be used in a medical application has to be absolutely burr-free, we used our automatic electrochemical cutting machine to accurately and repeatedly cut burr-free 304 stainless steel to tight tolerances. On our production CNC machine center, we reamed the ID on of the tube to ±.001” and then spot faced the tubing in order to provide a smooth flat retaining surface for an overmolded plastic tip. The tubes were then swaged prior to the bending of multiple radii, which was performed on a high precision multiple stack CNC tube bender. All of the required gages and checking fixtures were designed and built in-house to facilitate 100% inspection of all profiles. Finally the tubes were electropolished, passivated and cleaned in an ultrasonic cleaning system to ensure sterility.

Thanks to our robust network of suppliers, overall knowledge, and capability to create custom tooling and gages, we were able to deliver in two months what our competitors can barely do in six. We now manufacture 20,000 of these medical devices per year to the customer’s tight specifications. This San Francisco, CA customer has cited us as their best supplier and has recommended us to associates looking to source similar advanced products.





Custom Manufacturing of Surgical Devices for the Medical Industry Highlights

Product Description
Metal Surgical Device

Capabilities Applied/Processes
Primary:
Burr Free Cutting
Machining
  • Reaming
  • Spot Facing
  • Checking Fixture/Profile Gage
Bending: Multi-stack, Multiple Radii
Swaging

Secondary:
Passivating
Electropolishing
Ultrasonic Cleaning

Equipment Used to Manufacture Part
CNC Tube Bending
Tube Swaging

Overall Part Dimensions
Diameter: .25 in
Thickness: .028 in
Bend Radii: 2 in and 2.36 in CLR

Tightest Tolerances (+/-)
Reaming: .001 in
Spot Facing: .003 in
Tube Inner Diameter: .002 in
Tube Outer Diameter: .001 in

Base Material Used
Stainless Steel Welded and Drawn 304
16 RMS Surface Finish

Material Finish
16 RMS and Portions are Electropolished

Industry for Use
Medical

Volume
20,000 per year

Delivery/Turnaround Time
2 to 3 weeks

Delivery Location
San Francisco, CA

Standards Met
Customer Specifications
3D CAD Models: ProE/Creo, SolidWorks
ISO 9001:2008


Zeman Manufacturing Company | Custom Metal Tube Cutting & Fabricating