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XYZ Machine Tools Ltd
TRAK
2
OP
Installation, Maintenance, Service & Part List Manual
Warning!
The spindle unit is not field serviceable. If the bearings fail, the entire spindle cartridge will
have to be replaced.
2.4.2
Spindle Motor & Drive
The spindle motor is 2.2kW and directly drives the spindle via a coupling. The RPM range is 50 to 6,000
RPM.
2.4.3
Automatic Draw Bar Assembly
The automatic drawbar is an assembly consisting of an air cylinder and an actuator that unclamps the tool.
Tooling is changed by means of the Automatic Tool Changer (ATC), or can be done manually by pressing
and holding the “Unclamp” button. Tools are clamped when the button is released. A clamping force of
approximately 500kg is generated to clamp the toolholder to the spindle. The Automatic Draw Bar Assembly
uses full system air pressure and hydraulic oil and requires no adjustment. There is an oil reservoir for the
hydraulics that should be monitored on a regular basis. If there is a leak in the system, the oil in this
reservoir will go down. This leak will need to be fixed. This oil cup is found on top of the machine behind
the spindle motor.
2.4.4
Pull Studs
The TRAK 2OP Mill uses BT30 pull studs as shown in Figure 2.4.4a. Tightening to the proper torque is
important for all pull studs. Please refer to the manufacturer for the proper torque. You can order a set of
8 pull studs from XYZ Machine Tools under part number 13631. Our pull studs should be torqued to 40Nm.
Figure 2.4.4a
Warning!
Pull studs come in a wide variety of designs, however they often look similar and appear to
be interchangeable, but they are not. Use only the studs the 2 OP mill is designed to use. The
use of the incorrect stud, or the incorrect use of a stud, may result in injury and/or damage
to the mechanism.
2.4.5
Tool Changer (Carrier)
The tool changer is an 8 station mechanism. The ATC mechanism slides forward on the Y axis linear guides
and is actuated via an air cylinder. It is shielded behind a door while the machine is cutting.
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