A screw link, to which is attached the rope of a rope-drilling apparatus, for feeding and slightly turning the drill jar at each stroke.
A set screw used for adjusting.
Other Word Forms of Temper Screw
Temper Screw Sentence Examples
In addition to the appliances mentioned the tools comprise reamers to enlarge the bore of the well, the winged-substitute which is fitted above the bit to prevent it from glancing off, and above the round reamer to keep it in place, a temper-screw with clamps and wrenches.
When the jars come together they slack back about 4 in., and the cable is in position to be clamped in the temper-screw.
As the jar works off, or grows more feeble, by reason of the downward advance of the drill, it is ' tempered ' to the proper strength by letting down the temper-screw to give the jars more play.
The temper-screw forms the connecting link between the walking-beam and cable, and it is ' let out ' gradually to regulate the play of the jars as fast as the drill penetrates.
Find Similar Words
Find similar words to temper screw using the buttons