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Seibu MM50B Wire EDM

High Speed-High Precision 

Seibu’s MM50B wire EDM is built for medium size parts. The machine is designed to deliver high material removed rates while holding a pitch accuracy of ± 2 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 high precision parts. The MM35B 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 information such as cutting data or maintenance updates on any screen at any time.

Axis travel X,Y,Z 19.7" x 13.8" x 11"
Max. workpiece weight 1,764 lbs.
max. workpiece dimensions WxDxH 31.5" x 25.6" x 10.6"
Wire diameter .002" to .012"
Automatic wire threader standard
U-V axis travel UxV ±2.4” × ±2.4”
Max.taper angle ±10° @ 10.6”

Machine Dimensions WxDxH 92" x 95" x 82"
Machine Weight 7,496 lbs.

Selling Features

• 100% made in Japan
• hand scraped meehanite castings
 Fanuc 31iWC 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
• pre filter
• 4 MAN Triple bellow paper filters
• 2 DI bottle
• 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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