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MMB Series

High Speed-Precision

Seibu’s M75B wire EDM is built for large size heavy parts. The machine is designed to deliver high material removed rates while holding a pitch accuracy of ±3 microns. Machine castings are ground and hand scraped for complete flatness. Guideways are checked for flatness, lasered for straightness and test cuts are performed on all machines which are then checked on a CMM for accuracy resulting in high precision parts. The M75B features the user-friendly Fanuc 31iWB series control with a 15-inch TFT LCD touchscreen that contains over 4,000 cutting conditions. The GUI for Windows graphical interface makes it easy for operators to learn the control. The control has been customized to show more information so operators can check the necessary cutting data or maintenance work on any screen at any time.

Axis travel X,Y,Z 29.5" x 19.7" x 12.2"
Max. workpiece weight 2,205 lbs.
max. workpiece dimensions WxDxH 35.4" x 27.5" x 9.8"
Wire diameter .004" to .012"
Automatic wire threader standard
U-V axis travel UxV ±2.4” × ±2.4”
Max.taper angle ±10° @ 11.8”
(±45°/1.6”: option)
Machine Dimensions WxDxH 114.4" x 103.5" x 85.4"
Machine Weight 11,243 lbs.


Selling Features

100% made in Japan
hand scraped meehanite castings
Fanuc 31iWB Control
air cooled cabinets
17" dry annealing auto. wire feeder
absolute glass scale feedback
core stitch circuit
super fine finish circuit
anti-electrolysis circuit
corner control
workpiece straightness circuit
different height software
hardened insultated work table
vertical worktank door with signal lights
worktank sensors
automatic water level control
LED worktank light
remote control handbox
dielectric chiller
4 MAN Triple bellow paper filters
2 DI bottles
wire alignment block
tool box

Optional Items

45° taper
EL coating
rotary table
thermal adjust 24
small hole attachment device
20kg wire spooler

Specifications are subject to change without prior notice.

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