Contract Electrical Discharge Machining (EDM) Services

Wire EDM, Sinker EDM and Small Hole EDM

An industry leader in precision wire, sinker and small hole electrical discharge machining (EDM), New Jersey Precision Technologies, Inc. uses top of the line Mitsubishi wire and sinker EDMs as well as CNC small hole drilling EDMs. Combining the highest quality fully-automated machines on the market and highly skilled machinists ensures we can accommodate your needs and meet all of your specifications. Our customers represent a variety of industries, with particular focus on medical devices and implants as well as aerospace, automotive and electronics. We can machine any conductive material, including hardened metals, superalloys, high-performance alloys, exotic metals and more, and we can handle projects of all sizes, whether they are prototypes, short- or long-run. Wire EDM can hold tolerances of ±.0001”, sinker EDM ±.0002”, and small hole EDM ±.0015”.

Conventional Sinker EDM Bone Screws PDFConventional Sinker EDM Bone Screws (PDF - 128 KB)

We welcome the opportunity to discuss your machining needs.Please contact New Jersey Precision Technologies by phone at 1.800.409.3000, fax at 1.800.409.3022 or email at sales@njpt.com. Visit our What is Wire EDM? page for more information on the EDM process.

EDM Capabilities:

 
Wire EDM
Sinker EDM
Hole Pop EDM
Max. Material Thickness
18" (457.2 mm)
12" (304.8 mm)
12" (304.8 mm)
Max. Part Length
36" (914.4 mm)
24" (609.6 mm)
36" (914.4 mm)
Max. Part Width
24" (609.6 mm)
14" (355.6 mm)
24" (609.6 mm)
Taper Angle
45°
--
--
Min. Internal Corner Radius
.0025" (.064 mm)
.001" (.025 mm)
--
Wire/Electrode Diameter
.004"-.012" (.101 mm-.304 mm)
--
.010"-.125" (.254 mm-3.175 mm)
Wire/Electrode Materials
  • Brass
  • Copper
  • Zinc-coated
  • Graphite
  • Copper-impregnated
  • Copper Tungsten
  • Brass
  • Copper
  • Tungsten
Tolerances (+/-)
+/-.0001"
+/.0002"
+/-.0015" (locational)
Equipment Capabilities
  • Auto-threading
  • Unattended run
  • Five-axis CNC
  • Stacked parts machining
  • Temperature control
  • Four-axis CNC
  • Custom manufactured multi-up fixtures and electrodes
  • Temperature control
  • Fully programmable CNC
Materials
Any conductive material, including:

  • Stainless steel
  • Alloy steels
  • Hardened steels
  • Titanium
  • Carbon steel
  • Molybdenum
  • Monel
  • Tungsten
  • Aluminum
  • Brass
  • Carbide
  • Carbide substrates
  • Polycrystalline diamond (PCD)
  • Graphite
  • Cobalt
  • Cobalt chrome
  • Copper
  • Iron
  • Lead
  • Magnesium
  • Nickel
  • Gold
  • Inconel
  • Hastelloy
  • Kovar
  • Niobium
  • Platinum
  • Rhenium
  • Tantalum
  • Silver
  • Superalloys
  • High-performance alloys
  • Conductive ceramics
Production Volume
  • Prototype
  • Short run
  • Long run
Lead Time
  • Quotations within 24 hours
  • 24-hour rush orders available
  • Inventory and consignment programs available
  • Just In Time (J.I.T.) deliveries
Secondary Capabilities
  • Engineering and design
    • Design for manufacturability
    • Reverse engineering (CMM with scanning capabilities)
  • Black oxide coating
  • Plating
  • Polishing
  • Anodizing
  • Heat treatment
  • Welding
  • Assembly
  • Non-destructive testing
  • Quality control and inspection
  • Custom packaging and labeling
Industry Focus/Applications
  • Medical
    • Orthopedics
    • Cardiovascular
    • Endoscopy
    • Pharmaceutical
    • Drug Delivery
    • General Medical
  • Plastic Extrusion
    • Point of Purchase (POP)
    • Display
    • Window/Architectural
    • Tubing/Hollow
    • Industrial/Commercial
    • Medical Devices
  • Tool and Die
  • Moldmaking
  • Semiconductor
  • Aerospace
  • Defense
  • Energy
  • Consumer Products
  • Optics and Laser
  • Electronics
  • Instrumentation
  • Automotive
  • Packaging
Industry Standards
  • ISO 9001:2008 Certified: Quality Management System
  • ISO 13485:2003 Certified: Quality Management System for Medical Device Regulatory Requirements
  • American National Standards Institute (ANSI)
  • American Society of Mechanical Engineers (ASME)
  • American Society for Testing and Materials (ASTM)
  • Current Good Manufacturing Practices (cGMP) Compliant
  • Food and Drug Administration (FDA) Compliant
  • Military Specifications (Mil-Spec)
  • Society of Automotive Engineers (SAE) Compliant
  • Restriction of Hazardous Substances Directive (RoHS2)
  • Regulation of Conflict Minerals (Dodd-Frank Wall Street Reform and Consumer Protection Act, Section 1502)
File Formats
We can read all file formats, including:

  • AutoCAD (DWG, DXF)
  • Drawing Interchange Format, Drawing Exchange Format (DXF)
  • Pro-E or Pro/Engineer (DRW, PRT, XPR)
  • SolidWorks (SLDPRT, SLDDRW, SLDDRT)
  • Standard for the Exchange of Product Model Data (STEP, STP)
  • Initial Graphics Exchange Specification (IGES)
  • Inventor (IDW, IPT)
  • Parasolid (XT, XB)
  • Portable Document Format (PDF)
  • Joint Photographic Experts Group (JPEG, JPG)
  • Tagged Image File Format (TIFF)
  • Graphics Interchange Format (GIF)

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