YCM B8-SY Box Way Lathe with Sub Spindle and Y-Axis
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The B Series turning centers include a one-piece Meehanite® base casting, with box way construction designed for rigidity and vibration dampening. Multiple configurations available, from 2-axis to multi-axis turning, static to live tool turrets, programmable tailstock to sub spindle making the B Series an excellent choice for middle to upper range components.
Robust One-Piece Base Structure
One-piece 30° slant bed design made from high quality Meehanite®
cast-iron. Turcite-B on X/Z axis provides superior rigidity, low friction
coefficient, reduced vibration, and superior damping characteristics
without stick slip, while still maintaining machining accuracy.
Spindle Benefits
This turning center is equipped with up to 40.2 hp (30 kW) in-house
built spindle with rotation of up to 5,000 rpm. It includes an 8” chuck,
ø2.6” (ø66 mm) hole through draw tube and expanded travel of Z-axis
that means a spacious working area is provided for large workpiece up
to ø12.2” x 22.44” (ø310*570 mm).
Integrated Sub Spindle and Y-axis for Complete Part Machining
The orthogonal design applied on Y-axis maintains machining
accuracy during complex off center milling, drilling and tapping
in a single setup. 6” sub spindle with up to 14.8 hp (11 kW)
motor can generate rotation speed up to 6,000 rpm. The
combination of sub spindle, Y-axis, C-axis and live tool turret allow
the complete machining of complex parts in a single setup improving
efficiency and accuracy due to less part handeling. The sub spindle
incorporates a rotary encoder, ensuring high resolution positioning
and repeatability for done in one part machining processes.
BMT55 Turret with Live Tooling
The BMT55 turret ensures a fast and stable rotation of up to 4,000 rpm
and outputs 5.0 hp (3.7 kW). The 12-station servo-driven turret provides
high reliability and reduces tool change time. Next tool index is 0.7 sec.
and 180° index is 1.1 sec.
Swing Over Bed ø27.95” (ø710 mm)
Max. Turning Diameter ø12.2” (ø310 mm)
Max. Turning Length 22.44” (570 mm)
Spindle Speed – Main / Sub 5,000 rpm / 6,000 rpm
Max. Spindle Motor Power
Main / Sub 40.2 hp (30 kW) / 14.8 hp (11 kW)
Max. Spindle Torque – Main / Sub 196.5 / 67.6 lb-ft (266.4 / 91.6 Nm)
Chuck Size – Main / Sub 8” / 6”
Through Draw Tube ø2.6”/ ø1.77” (ø66 / ø45 mm)
X-Axis Travel 6.3” (160 mm)
Y-Axis Travel +1.97” / -1.57” (+50 / -40 mm)
Z-Axis Travel 22.44” (570 mm)
B-Axis Travel 25.59” (650 mm)
Rapid Feedrate (X / Z / Y / B) 1,181 / 1,417 / 394 / 787 ipm
(30 / 36 / 10 / 20 m/min)
Cutting Feedrate (X / Z / Y / B) 0.04~394 ipm (1~10,000 mm/min)
Tool Standard BMT55
Tool Capacity 12T
Shank Height for Square Tool 1.0” ( 25 mm)
Shank Diameter for Boring Bar ø1.57” (ø40 mm)
Live Tooling 100–4,000 rpm
Positioning w/o scales X / Z / Y / B .00031” (.008 mm)
Repeatability w/o scales X / Z / Y / B .00019” (.005 mm)
Tank Capacity 92.47 gal (350 L)
Machine Weight (w/Chip Conveyor) 13,889 lb (6,300 kg)
A2-6, 8” Chuck, 40.2 hp (Max),5,000 rpm, Mai Spindle w/2.6”
(66 mm) Through Draw Tube
A2-5, 6” Chuck, 14.8 hp (Max),6,000 rpm Sub Spindle w/1.77”
(45 mm) Through Draw Tube, and Y-Axis
One Upper 12 Statio BMT55
Live Tooling Turre with 4,000 rpm
Oil Skimmer, ATLM, Chip Conveyor
4-Live Tool Holders (2-Axial &
2 Radial)
Includes 11 Static Tool holders:
1-Face TH, 1-Cutoff TH, 3-OD TH,
1-dual OD TH, 4-1.5” ID BB TH,
1-1.25” ID BB TH. 10 1.5” O.D.
Boring Bar Sleeves: Two 1/4” long
type, two 5/16” long type,
1/4” short type, 5/16” short type,
3/8” short type, 1/2” short type,
5/8” short type, 3/4” short type,
1” short type, 3/8” std. typ type,
1/2” std. type, 5/8” std. type,
3/4” std. type, Two 1-1/4” O.D.
Throw-Away Drill Socket
3/4” type: 1” type, 1-1/4 O.D.
MT1 Drill Socket, 1-1/4 O.D MT2
Drill Socket, 3 MT Drill Sockets:
MT1, MT2, MT3. (No parts catcher).
Fanuc TXP-200FB+ Control
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