YAMA SEIKI Bridge Machining company logo

BM Series
Models BM-1400 BM-1600 BM-1800
X-axis travel mm ( inch ) 1,400 ( 55.1 ) 1,600 ( 63.0 ) 1,800 ( 70.8 )
Y-axis travel mm ( inch ) 800 ( 31.5 )
Z-axis travel mm ( inch ) 700 ( 27.5 ) 800 ( 31.5 )
Distance from spindle center
to column
mm ( inch ) 900 ( 35.4 )
Distance from spindle nose
to table center
mm ( inch ) 200 ~ 900 ( 7.87 ~ 35.4 ) 200 ~ 1,000 ( 7.87 ~ 39.3 )
WORKING TABLE
Table size ( X direction ) mm ( inch ) 1,500 ( 59.1 ) 1,700 ( 66.9 ) 2,000 ( 78.7 )
Table size ( Y direction ) mm ( inch ) 800 ( 31.5 )
Table load capacity kg ( lb ) 1,800 ( 3,968 ) 2,000 ( 4,409 ) 2,200 ( 4,850 )
SPINDLE
Spindle taper 40-Taper : CAT 40*1
50-Taper : CAT 50*1
Spindle configuration 40-Taper : Direct Drive
50-Taper : 2-speed Gear Box / Direct Drive ( Opt. )
Spindle motor ( cont. / 30 min. ) kW ( HP ) 40-Taper : 7.5 / 11 ( 10 / 15 )*2
50-Taper : 11 / 15 ( 15 / 20 )*2
Spindle speed rpm 40-Taper : 65 ~ 12,000 / 65 ~ 15,000 ( Opt. )
50-Taper : L : 65 ~ 1,500 / H : 1,500 ~ 6,000 / Direct Drive 10,000
FEED RATE
X / Y axes rapid feed rate m/min. ( IPM ) 20 ( 788 )
Z-axis rapids feed rate m/min. ( IPM ) 18 ( 709 )
Cutting feed rate m/min. ( IPM ) 1 ~ 8 ( 39.4 ~ 314 )
TOOL MAGAZINE
Tool magazine capacity T 40-Taper*3
50-Taper : 16T drum ATC*3
Max. tool diameter /
adj. pocket empty
mm ( inch ) 40-Taper : 127 / 228 ( 5" / 8.97" )
50-Taper : 160 / 300 ( 6.3" / 11.8" )
Max. tool length mm ( inch ) 40-Taper : 250 ( 9.84" )
50-Taper : 400 ( 15.7" )
Max. tool weight kg ( lb ) 40-Taper : 8 ( 18 )
50-Taper : 15 ( 33 )
ACCURACY
Positioning accuracy ( JIS B 6338 ) mm ( inch ) ± 0.01 / Full Travel ( ± 0.00039 / Full Travel )
Positioning accuracy ( VDI 3441 ) mm ( inch ) P = 0.02 ( P = 0.00079 )
Repeatability ( JIS B 6338 ) mm ( inch ) ± 0.003 ( ± 0.000118 )
Repeatability ( VDI 3441 ) mm ( inch ) Ps = 0.008 ( Ps = 0.00031 )
GENERAL
Control system FANUC Oi -MF / 31i -MB       MITSUBISHI M70 / M730
Pneumatic pressure requirement kg/cm2 ( PSI ) 6 ( 85 )
Power requirement V 220 ± 10%
Coolant tank capacity liter ( gal ) 600 ( 159 ) 600 ( 159 ) 630 ( 167 )
Machine weight kg ( lbs ) 13,000 ( 28,660 ) 15,000 ( 33,069 ) 17,000 ( 37,478 )

Specifications are subject to change without notice.
*1 : Optional BT, DIN.
*2 : Different spindle motor maybe optional available, please consult with your sales representative.
*3 : Optional 24 / 30 / 40 tools swing arm ATC.