Notes
Two excellent machines available.
Machine on hours are 553 and 493
We need two Mazak Quick Turn 20's as replacements.
Chip Conveyor
Automatic Tool Setter
Programmable Tailstock
Live tooling = No
Kitagawa 10 Chuck = Yes
The ST-20 is equipped with a 12-station BOT turret
that indexes tools in 0.5 second. The machine provides
a maximum cutting capacity of 15 x 20.5 , with maximum
swings of 31.75 over the front apron and 20.75 over
the cross slide. The ST-20’s A2-6 spindle nose has a
3.0 spindle bore and a bar capacity of 2.0 . It is equipped
with a 8.3 hydraulic 3-jaw chuck. The machine’s 20 hp
vector dual-drive spindle spins to 4000 rpm, and provides
150 ft-lb of torque at 700 rpm. On-the-fly wye-delta
switching yields a wide constant-horsepower band for
constant surface feed cuts, and rapids are 945 ipm.