25742 Commercentre Dr.
Lake Forest, CA. 92630

SHOP/FAX (949)916-1212

Electrical Discharge Machining (EDM)
EDM is the best choice for:
Complex shapes that would otherwise be difficult to produce with conventional cutting tools
Cutting extremely hard material to very close tolerances
Very small work pieces where conventional cutting tools may damage the part from excess cutting tool pressure.
Delicate sections and weak materials which can be machined without any distortion.
Obtaining an ultra fine surface finish.
Drilling very fine holes

Wire EDM (also known as Wire Cutting, Wire burning, and Traveling Wire EDM)
Wire EDM uses spark erosion to machine or remove material with a traveling wire electrode from any electrically conductive material. The wire electrode usually consists of brass or zinc-coated brass material.

At JNS Machine, our Charmilles Robofil 310 Wire EDM provides you with incredibly high tolerances up to.0002” with ultra fine surface finishes for exact specifications. This is a highly repeatable process meaning high volume runs maintain accuracy consistently over the entire run.

Our Wire EDM machine is capable of cutting up to 30 degree tapers at 15.75” tall or up to 24“ tall with a 30 degree taper using our extended head. Materials as thick as 15” can be cut and burr free holes as small as .008” can be bored with this incredible machine.
Sinker EDM (also known as Conventional EDM, Ram EDM, Die-Sinker, and Plunge EDM)

Sinker EDM machining, like Wire EDM, uses spark erosion to machine blind cavities.  This process employs machined electrodes that produce sparks along the surface of the electrode to sink or plunge the cavity. The Sinker EDM process is ideal for a number of applications:

Blind Cavities
Intricate Details
Sharp Corners
Fine Finishes (Surface Finishes to 10 Micro-Inch)
Thin Walls and Cross Sections
Machining Threads into Hardened Parts
Blind Keyways
Internal Splines, Squares, or Hexes
Tolerances can be held to .0002"
Any conductive material can be Sinker EDM machined, including Aluminum, Brass, Carbide, Copper, Hastalloy, Inconel, Steel, Stellite, and Titanium
Our Charmilles Sinker EDM provides extremely precise burning with the use of integrated touch probes to accurately position and align both the workpiece and the electrodes.

CNC Milling - precision milling of parts requiring up to 120" of travel

CNC Lathe - able to turn diameters up to 23”

JNS Machine offers a full range of additional machining services. Just ask!

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