Information Technology Reference
In-Depth Information
CNC machining units are also used for drilling, taping and milling operations precisely as
they are equipped with servomotors. CNC units can be programmed for very accurate
machining operations when used in conjunction with a controller. Figure 4 shows a two-axis
CNC tapping unit. The tapping unit is mounted on the sliding unit where both the units are
equipped with servomotors. The servomotor of the tapping unit provides the rotational
motion of the cutting tool whereas the servomotor of the sliding unit provides feed motion.
When integrated with a control unit, this assembly can be programmed similar to CNC
machines.
Fig. 4. Two-axis CNC tapping unit (Photo: Suhner)
2.2 Accessories
There exist special stands, adjustable bases, and supports used for positioning and
supporting basic machine components. These are also used for preventing or reducing
vibrations at the time of machining. Figure 5 shows some of the assembly equipment used to
accurately position and support machining units in any position and at any angle.
Fig. 5. Special stands, adjustable bases, and supports (Photo: Suhner)
Indexing table is one of the important accessories used in SPMs. Figure 6 shows an indexing
table used for positioning the workpiece in different machining stations where the
workpiece is machined in a number of rotary stations. After determination of machining
