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Machine Model | Item | BR-20H-400 | BR-20H-400D | BR-20H-400DY |
Main Parameter | The max.swing diameter over bed | Φ460 | Φ600 | Φ600 |
Max. machining diameter | Φ400(Φ460:280 cutterhead) | Φ450 | Φ400 | |
Max. swing diameter over cross slide | Φ260 | Φ350 | Φ340 | |
Max. processing length | 400mm | 350mm | 360mm | |
Distance between centers | 420mm | |||
Spindle And Chuck | Spindle end type (optional Chuck) | A2-6(8″) | A2-6(8″) | A2-6 |
Spindle motor power | 11-15KW | 11-15KW | 11-15KW | |
Spindle speed | 3000rpm | 3000rpm | 3000rpm | |
Spindle through hole diameter | Φ61 | Φ61 | Φ61 | |
Through the bar diameter | Φ52 | Φ52 | Φ52 | |
Spindle motor mounting form | ||||
Feed | X/Z axis lead screw specification | 3210/3210 | 3210/3210 | 3210/3210 |
Yaxis lead screw specification | 2508 | |||
X-axis limit travel | 245mm | 245mm | 255mm | |
Y-axis limit travel | 60(±30) | |||
X-axis motor torque | 11N.M | 11N.M | 11N.M | |
Y-axis motor torque | 7 N.M | |||
X/Z axis linear guide specifications | Hard Way | |||
Y axis linear guide specifications | Hard Way | |||
Z-axis limit travel | 420mm | 420mm | 500mm | |
Z-axis motor torque | 15N.M | 15N.M | 11N.M | |
X、Z axis connection type | Direct connection | Direct connection | Direct connection | |
Y axis connection type | Direct connection | |||
Turret | Turret | H80 | SHD20U-330 | Y axis hard rail power tower |
Turret center height size | 80mm | 80mm、100mm | ||
Tower station | 8T/12T | 15T | ||
Power head specification | BMT40/ER20 | |||
Power head speed | 4000rpm | |||
Power head motor power | 2.5KW | |||
Power head to motor transmission ratio | 1∶1 | |||
Tailstock | Sleeve diameter | 75mm | 75mm | 75mm |
Sleeve travel | 80mm | 80mm | 80mm | |
Tailstock max.travel | 300mm | 300mm | 300mm | |
Tailstock sleeve taper | MT4 | MT4 | MT4 | |
Overall Dimension | Bed type and inclination | Integrated/45° | Integrated/45° | Integrated/45° |
Machine size(L * W * H) | 1850x1020x1500 | 1850x1020x1500 | 2110x1280x1750 |



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