Definitions
38
Definitions
0000010038-003- GB
4.2 Terms
Scoring
Creation of a shallow cut in the surface of a workpiece, deep enough to pass
through any coating on the workpiece, so as to prevent damage to the undersi-
de when the main saw blade makes its cut.
Scoring blade
A blade that is located in front of the sawing blade, used to score the workpiece
and rotate along with the feed direction.
Grooves
Creation of cuts in the surface of the workpiece not deep enough to pass
through using the saw blade or a milling tool.
Machine drive
Power driven device to effect a machine movement
Hand feed
Holding and/or guiding the workpiece manually.
Removable feeding device
Feeding mechanism fastened to the machine such that it can be tilted out of the
work position without tools or similar equipment
Safety appliance
Additional device that is not an integral part of the machine but helps the opera-
tor to feed the workpiece safely, e.g. a push block or push stick.
Kick-back
Unexpected sudden movement of the workpiece or parts of it opposite to the di-
rection of feed in the course of sawing.
Riving knife
Protection against workpiece kick-backs and unintentional contact with the ri-
sing gear rim.
Spraying unit (minimum quantity lubrication)
The reduction of the lubricant quantity compared with the circulation quantity of
standard coolant lubricant systems is the main feature of minimum quantity lub-
rication. Unlike conventional overflow lubrication, a minimum quantity lubrica-
tion system only requires a few millilitres (ml) per hour of lubricant for the
chipping process.
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