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Drilling & Tapping Centers
TC-321N-P.P.C. BROTHER CNC DRILLING & TAPPING MACH
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TC-321N-P.P.C. BROTHER CNC DRILLING & TAPPING MACH

Drilling & Tapping Centers
Manufacturer:
MISC.
Model:
TC-321N-P.P.C.
Year:
1990
Stock #:
2461
TC-321N-P.P.C. BROTHER CNC DRILLING & TAPPING MACH

TRAVEL
X (Column right/left) 27.6"
Y (Column front/rear) 11.8"
Z (Spindle up/down) 9.84"
Distance between table top & spindle nose 17.7"
TABLE
Work area 2-13.8 X 11.8
Maximum loading capacity 111 lbs.
Table surface 8-M10 tap
SPINDLE
Spindle speed 6-6,000
Speed in tapping 4,000 min.
Spindle taper hole 7/24 taper No. 30
FEED RATE
Rapid traverse (X x Y x Z) 25 x 25 x 20"
Cutting feedrate 5-10,000 inch/min.
Tool shank type MAS.BT30
Pull stud type MAS.P30T-2
Tool storage capacity 10
Maximum tool diameter 3.15"
Maximum tool length 7.87"
Maximum tool weight 44.4 lbs.
Tool selection Random closest path
Tool change time tool to tool 1.9 sec.
chip to chip 4.5 sec.

MOTOR SPECIFICATIONS

For spindle (30 min/cont) 4.1/3.1
For axis feed XY 1.3 Z 0.72
Power AC 3 Phase
Power capacity 9.0 KVA
POWER SOURCE Working air pressure (Mpa) 0.4-0.6
Required flow with spindle air
blast unit 700 atmospheric
pressure
without spindle air
blast unit 500 atmosphere
pressure
MACHINE DIMENSIONS
Machine height 81.7"
Floor area required 74.8 x 123"
Machine weight (with control
unit and splash guard 6,444 lbs.
ACCURACY Positioning accuracy 11.8"
Repeatability 0.0002"

CNC-500 CONTROL Controllable axes 3 axes (X,Y,Z)
Simultaneously controlled 2 axes (X/Y) and
independently controlled 1 axis (Z)
Interporation functions - positioning, linear interpolation,
circular interpolation
Input method - Absolute (motion programs
absolute/incremental)
Minimum setting unit 0.0001"
Maximum command value 99.9999"
Display 9" CRT
Programming system - conversational automatic programming
method
Motion program, schedule program, Tool date, tool pattern,
hole size before tapping (rolling tap), cutting conditions,
automatic tool selection, auto. cutting condition setting,
automatic spindle speed setting, automatic tool length
compensation setting, auto. tool diameter compensation
setting, automatic calculation for intersection, machining
order control, dwell, machine zero return, working zero
return, tap cycle (synchronized tap), drill cycle, coordinate
setting, spindle orientation, dry run, restart, cutting
position offset, work height dispersion offset, auxiliary
functions before/after cutting, backlash compensation, pitch
error compensation.
Page 3 of 3
Standard accessories
Air brast for spindle
Inch/metric conversion
Spindle load meter
Work light
Manual pulse generator
Signal light (3 light)
Bubble memory unit
RS-232C unit
4th Axis CNC indexer with control
Coolant unit system
Instruction manual (1 copy)
Anchor bolts (4 pcs.)
Leveling plates (4 pcs.)
Splash guard with manual door (1 set)
Fuses (1 set)
Optional accessories
(2) two Yukiwa Sakamaki Rotary Indexers Model
SNC-140L with PC-1 Sakamaki Controllers
Coolant unit (100L, 150L)
Bubble memory unit (with 1 bubble cassette)
Bubble cassette
RS-232C unit
Manual pulse generator
Automatic door open/close unit
Spindle taper air blast unit
NOTE Approximate replacement cost for this machine is $125,000.00.
This machine has NEVER BEEN USED.

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