HARDY drilling unit for REA 2000 excavator.
NEW.
Drill diameter 20 mm, length 1350 mm.
Machine flow - determines the rotation speed of the drill.
Machine pressure - determines the amount of torque. The larger the diameter of the drill bit, the more torque (pressure) will be required.
General use - smaller drills generally require a higher speed, 55 - 65 rpm or higher
Heavy soil, clay, stony ground, clay soil 45 - 55 rpm.
Rock drills - rock drilling is about power, not speed. Too many revolutions creates too much heat and therefore the teeth will wear faster. Too much speed will also not allow the teeth to push through the rock. Ideal speeds for rock drilling are 20 - 45 rpm. Effective rock drilling requires pressure and torque. Not all rocks are drillable / having the right machine for the application is essential.
The technical condition corresponds to age and mileage / operating hours. Personal inspection is required. Later claims shall not be taken into account.
This text has been translated using Google Translate. Veacom is not liable for any inaccuracies or misunderstandings which arise through the translation.