Brother | Machine Tools
TC-31B
Feature
Specifications
Example


Machine specifications
item TC-31B
16,000minspecifications 22,000minspecifications
CNC unit model CNC-B00
Travels X axis
[mm (inch)]
350 (13.8)
Y axis
[mm (inch)]
250 (9.8)
Z axis
[mm (inch)]
350 (13.8) (Including ATC80 (3.15))
Distance between table top spindle nose end
[mm (inch)]
200 - 550 (7.9 - 21.7)
Table Work area size
[mm (inch)]
500 x 270 (19.7 x 10.6) (one side)
Max. loading capacity (uniform load)
[kg (lbs)]
80 (176) (one side)
Table positioning time
[sec.]
2.3/180°
Spindle Spindle speed
[min-1]
16 - 16,000 22 - 22,000
Speed during tapping
[min-1]
MAX.6,000 MAX.8,000
Tapered hole 7/24 tapered No.30
Feed rate Rapid traverse rate X x Y x Z axes
[m(inch)/min]
50 x 50 x 50 (1,969 x 1,.969 x 1,969)
Cutting feed rate
[mm(inch)/min]
1 - 20,000 (0.04 - 787)
ATC unit Tool shank type MAS.BT30
Pull stud type MAS.P30T-2
Tool storage capacity*1
[pcs.]
26 (+1)
Max. tool length
[mm (inch)]
200 (7.9)
Max. tool diameter*2
[mm (inch)]
0-30(0-1.2)/D46 30-200(1.2-7.9)/D55 (Max. tool diameter D125)
Max. tool weight*3
[kg (lbs)]
3.5 (7.7) (total weight 55 (121.3))
Tool selection Double arm method random closest path
Tool change time*2
[sec.]
T - T : 0.7 / C - C : 1.7
Electric motor Main spindle motor (10 min / continuous)*4
[kW]
7.4/4.9 11.2/6.4
Feed spindle motor
[kW]
1.5 (X, Y, Z)
Power source Power supply AC3Φ, 50/60Hz±1Hz
Power capacity
[kVA]
12.4 (25.9) 15.3 (33.1)
Air supply Working air pressure
[MPa]
0.4 - 0.6
Required flow*3
L/min
100 (at atmospheric pressure)
Machining dimensions Machine height
[mm (inch)]
2,283 (89.9)
Required floor space (with control unit door open)
[mm (inch)]
1,404 x 3,204 (55.3 x 126.1)
Machine weight (including control unit splash guard)
[kg (lbs)]
2,300 (5,071)
Accuracy*5 Positioning accuracy
[mm (inch)]
0.005/300 (0.0002/11.8)
Repeatability
[mm (inch)]
± 0.003 (± 0.00012)
Standard accessories 1 operating manual, 4 anchor bolts, 4 leveling plates, 1 splash guard with manual door, 1 set of fuses.
  • * 1 When all tools are small tools
  • * 2 The tools storage capacity, tool change time, etc., will vary when using large tools.
  • * 3 Actual tool weight varies according to the configuration and center of gravity.
    The figures shown here are for reference only.
  • * 4 Spindle motor output differs depending on the spindle speed.
  • * 5 Measured in compliance with JIS B6201-1987.

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NC Unit specification("Conversation" or "NC language" programming can be changed using a switch)
Model CNC-B00
Control axes 7 axes (X, Y, Z, 4 additional axes)
Simultaneously controlled axes Positioning 5 axes (X, Y, Z, A, B)
Interpolation
  • Linear : 4 axes ( X, Y, Z, one additional axis)
  • Circular : 2 axes
  • Helical/ conical interpolation : 3 axes (X, Y, Z) optional
Least input increment 0.001 mm, 0.0001 inch, 0.001 deg.
Max. programmable dimension ± 9999.999mm 999.9999inch
Display 12.1-inch color LCD
Program capacity Approx. 5,000 m (Approx. 2 Mbytes)
External communication USB memory interface, RS232C 1ch, Ethernet
No.of registrable programs 1,024
Program format NC language, conversation (changed by parameter),
conversion from conversation program to NC language program available
NC function
  • Absolute/incremental
  • Inch/metric
  • Corner C / Corner R
  • Rotational transformation
  • Synchronized tap
  • Coordinate system setting
  • Dry run
  • Restart
  • Backlash compensation
  • Pitch error compensation
  • Rapid traverse override
  • Cutting feed override
  • Alarm history
  • Status log
  • Machine lock
  • Computer remote
  • High-accuracy mode A
  • Tool length measurement
  • Tool life management / spare tool
  • Background editing
  • Graphic display
  • Subprogram
  • Expanded workpiece coordinate system (NC)
  • Helical / conical interpolation (optional)
  • Scaling (NC)
  • Mirror image (NC)
  • Menu programming (NC)
  • Program compensation (NC)
  • Tool length compensation (NC)
  • Cutter compensation (NC)
  • Operation program (conv.)
  • Schedule program (conv.)
  • Automatic tool selection (conv.)
  • Automatic cutting condition setting (conv.)
  • Automatic tool length compensation setting (conv.)
  • Automatic cutter compensation setting (conv.)
  • Automatic calculation of unknown number input (conv.)
  • Machining order control(conv.)
  • Macro function(system variables)(NC)
  • Automatic power off
  • Servomotor off standby mode
  • Chip shower off display
  • Automatic coolant off
  • Automatic work light off
  • Local coordinate system (NC)
  • One-way positioning(NC)
  • Operation in tape mode(NC)
  • * Functions with (NC) and (conv.) are available only for NC language programming and conversational programming respectively.

Please ask about an option.

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