Wire EDM


Wire EDM

The same higher-level precision and surface finish capability as the U32j, but with larger travels

The U53j Wire EDM offers the same higher level precision and  surface finish capability as the U32j, but with larger travels.  The stationary work table construction of the U53j improves accuracy and repeatability by eliminating  the di-electric weight shifting that occurs with moving table designs.  The machine footprint is reduced by utilizing a space-savings design that integrates the di-electrode reservoir into the base casting of the machine, which improves thermal stability.  The entire machine structure is maintained at a constant temperature, and chilled air is circulated throughout the internal machine covers to mitigate any thermal growth or distortion. 

The U53j provides the operator with a commanding view of the Hyper i control with a large 24” class HD touch-screen display that utilizes a straightforward 3-Step operation process of Program/Setup/Run.  The Hyper i control is extremely efficient and user-friendly, and provides an intuitive and familiar touch Pinch/Swipe/Drag operational interface that is similar to smartphones and tablets, and is used on all Makino Wire and RAM EDM machines.  The standard  full-function advanced Handbox, digital onboard electronic manuals, instructional training videos, and advanced E-Tech Doctor help functions empower the operator with everything they need to be productive right at their fingertips.

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Technical Specifications

Excellent ergonomic access to the work zone is provided by a 3-sided rise & fall work tank, and affords the operator with unobstructed access to the machine for maintenance and loading or unloading of work pieces.  The automation-ready design of the rise & fall work tank provides NC programming capability of the work tank height, which greatly simplify requirements for automation.  The U53j can be configured with a 3D Probe system to further reduce work piece setup time, and Makino’s unique H.E.A.T. technology is optional to boost productivity of poor flush applications.
The U53j is ideal for producing high precision plastic injection molds, precision stamping tools, and medical component applications. The machine is built to achieve higher levels of precision and surface finish capability over the standard U3 and U3 H.E.A.T. models, and is able to produce surface finishes down to 0.08µmRa (34µinRa) with the Crystal Circuit, and can optionally operate with wire sizes down to 50µm (0.002”).  Improved positional accuracy is accomplished through higher tolerance alignment specifications during the assembly process, and axis accuracies of 3μm (0.0001”) straightness and 4μm (0.00015”) squareness and parallelism ensure reliable long-term sustained precision.

Table: 810 x 560 mm
X: 550 mm Y: 370 mm Z: 220 mm

Tank Size

970 x 710 mm

Table: 31.9 x 22.0 "
X: 21.6 " Y: 14.6 " Z: 8.7 "

U Axis:


V Axis:


Maximum Workpiece Size:

37.8 x 27.2 x 8.7 "

Maximum Workpiece Weight:

3,307 lbs

Tank Size:

38.2 x 28 "