TC-20B

High productivity due to fast spindle speed
and acceleration/ deceleration.

Recommended machining

Machine specifications
item			TC-20B
CNC unit			CNC-B00
Travels	X axis [mm (inch)]		200 (7.9)
	Y axis [mm (inch)]		185 (7.3) + 70 (+2.8)
	Z axis [mm (inch)]		250 (9.8)
	Distance between table top / spindle nose end [mm (inch)]		120 - 370 (4.7 - 14.6)
Table	Work area size [mm (inch)]		400 X 200 (15.7 X 7.9)
Table	Max. loading capacity (uniform load) [kg (lbs)]		70 (154)
Spindle	Spindle speed [min^-1]		30 - 30,000
	Speed during tapping [min^-1]		Max. 10,000
	Tapered hole		7/24 tapered no.15
Feed rate	Rapid traverse rate(XYZ-area) [m/min (inch/min)]		40 X 40 X 45 (1,575 X 1,575 X 1,772)
Feed rate	Cutting feed rate [mm/min (inch/min)]		1 - 10,000 (0.04 - 394) (X, Y) 1 - 20,000 (0.04 - 787) (Z)
ATC unit	Tool shank type		JBS4002 - 15T
	Pull stud type		JBS4002 - 15P (45°) Special
	Tool storage capacity [pcs.]		15 (Max, usable tools : 16)
	Distance from taper gauge line/Max. tool diameter[mm (inch)]		0 - 100 (0- 3.9) / D30 (1.2)
	Max. tool weight^*1 [kg (lbs)]		0.4 (0.9)/tool (total tool weight : 3.0 (6.6) )
	Tool selection method		Double arm (Random shortcut method)
	Tool change time		Tool To Tool [sec.] 0.6(0.4^4) Chip To Chip[sec.] 1.3(1.1^4)
Electric motor	Main spindle motor (10 min/continuous) ^*2[kW]		3.2 / 2.7
Electric motor	Axis feed motor[kW]		XY 0.3, Z 1.0
Power source	Power supply		ACV 10% 3-phase, 50/60Hz 1Hz
	Power capacity (continuous / max.)		5.2 / 17.2
	Air supply	Regular air pressure [MPa]	0.4 - 0.6
	Air supply	Required flow [L/min]	70
Machine dimensions	Height [mm (inch)]		1,955 (77.0)
	Required floor space (with control unit door open)[mm (inch)]		900 X 1,717 (2,238) [35.4 X 67.6 (88.1)]
	weight (including control unit splash guard)[kg (lbs)]		1,200 (2,646)
Accuracy^*3	Positioning accuracy [mm (inch)]		0.005 (0.0002) / Full stroke
Accuracy^*3	Repeatability [mm (inch)]		0.002 (0.00008)
Standard accessories			splash guard (manual door), fuse (1 set), anchor bolts (4 pcs.), leveling bolts (4 pcs.), Instraction manual (1 set)

*1 Actual tool weight differs depending on the configuration and center of gravity. The figures shown here are for reference only.
*2 Spindle motor output differs depending on the spindle speed.
*3 Measured in compliance with JIS B6201-1987 and Brother standards. Please contact Brother for details.
*4 Time when using small tool.

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NC Unit specification
CNC Model		CNC-B00
Control axes		5 axes (X, Y, Z, two additional axes)
Simultaneously controlled axes	Positioning	5 axes (X, Y, Z, A, B)
Simultaneously controlled axes	Interpolation	Linear : 4 axes ( X, Y, Z, one additional axis) Circular : 2 axes Helical/ conical : 3 axes (X, Y, Z) (Optional)
Least input increment		0.001 mm, 0.0001 inch, 0.001deg
Max. programmable dimension		9999.999mm, 999.9999inch
Display		12.1-inch color LCD
Memory capacity		Approx.10 Mbytes (Total capacity of program and data bank)
External communication		USB memory interface, RS232C 1ch, Ethernet
No.of registrable programs		1,024 (Total capacity of program and data bank)
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 AII Tool length measurement Tool life management / spare tool Background editing Graphic display Subprogram Expanded workpiece coordinate system (NC) 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(NC) Automatic power off Servomotor off standby mode Chip shower off delay Automatic coolant off Automatic work light off Local coordinate system (NC) One-way positioning(NC) Operation in tape mode(NC) Heat expansion compensation system II (X,Y,Z axes) Tap return function

* When program size is bigger than 2 Mbytes, machine works with extended memory operation.
* Ethernet is a trademark or registered trademark of XEROX in the United States.
* Functions with (NC) and (conv.) are available only for NC programs and conversation programs respectively.

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