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Twin City EDM and Manufacturing | Complex Precision Machined Medical Components

Precision Sinker EDM Services

Twin City EDM has been providing sinker EDM services since 1959. We produce our copper or brass electrodes in-house, allowing us complete control over the manufacturing process. We have both manual and CNC sinker EDMs which can be equipped with automatic tool changers to completely automate the process. Automation helps to ensure the consistency of each component created, as well as makes the process more efficient and faster than using manual intervention. Sinker EDM equipment has the advantage of not stressing the material in use. Particularly if you need components that provide strong, durable performance, sinker EDM could be the perfect solution.

Sinker EDM capabilities from a well-established company

These capabilities allow us to cut complex profiles into any conductive material, including exotic and precious metals. However, we specialize in the cutting of difficult-to-machine materials such as tool steels, conductive ceramics and super alloys. Because sinker EDM uses electrical discharge to cut the profile into the work piece, hardened alloys will not suffer the same heat distortion as with traditional machining methods. We can cut work pieces up to 24" x 31" x 47" with a minimum part feature of .008", an accuracy of ±.00002" and a repeatability of ±.00005". Our sinker EDM leaves a machined surface finish of 8RA. We also offer a very fast turnaround, typically 1-2 weeks on sinker EDM parts. For more information about our precision sinker EDM services, see the table below, or contact us directly.

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Project Showcase

Precision Sinker EDM Capabilities:

Processes
Sinker Electro Discharge Machining (EDM)
Conventional EDM
RAM EDM
Plunger EDM
Equipment Capabilities
Manual
CNC Control
Tool Changers
Workmaster Robotic Cell (System3R)
Cutting Axis
6 Axis
Materials (Metals)
Stainless Steel
Steel
Tool Steel
Aluminum
Titanium
Carbide
Graphite
Copper
Brass
Bronze
Nickel
Tin
Lead
Castings
Powdered Metals
Conductive Ceramics
Materials (Exotic Metals)
Inconel
Kovar
Nitinol
Gold
Molybdenum
Niobium
Minimum Part Feature
.008 in.
Length
Up to 47 in.
Width
Up to 31 in.
Height
Up to 24 in.
Weight
Up to 1 ton
Repeatability
.00005 in.
Accuracy
.00002 in.
Surface Finish
8 RA
Inspection
Smart Scope (Zip Lite)Vision Systems
Zeiss Coordinate Measuring Machine (CMM)
Testing
Pull
Mag Particle
Pressure
Quality
Assurance Program
Additional In-House Services
Electrode Manufacturing
CAD Design Services
CAM Programming Services
Bead Blasting
Scotch-Brite Finishing
Deburring
Secondary Services
Heat Treating
Electropolishing
Passivating
Plating
Titanium Nitride
Anodizing
Stress Relieving
Ultrasonic Cleaning
Harperize
Descaling
Hard Coating
Gun Drilling
Production Volume
Prototype to High Volume Production
Typical Lead Time
1 to 2 weeks
On-Time Delivery
Additional Information
Industries Served
Medical
Surgical
Aircraft
Aerospace
Defense
Intended Applications
Firearm (308 & 223) Components
Orthopedic Devices
Optical Devices
Non-Invasive Components
Bone Screws / Plates
Bone Anchors
Pilot Static Tubes
Surgical Tubing
Hypodermic Needles
Pacemakers
Industry Standards Met
ISO 9001:2008 Certified
ISO 13485:2003 Compliant
ASTM 485
MIL-W-13855
MIL-L-45208A
MIL-Q-9858A
Efficiency
Lights Out Manufacturing
Lean Manufacturing
File Formats Accepted
SolidWorks
AutoCAD
MasterCAM

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