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5-4. Nail Driving Force
Figure 2 shows the nailer output energy provided by the supply pressure and the required nailing energy for
driving the nail flush with surface of a workpiece with variables of types of wood and nails. Air pressure which
exceeds the intersecting point between the nailer output energy and the required nailing energy for driving the nail
allows the nail to be fully driven. For example, when driving a 65 mm (2-1/2") nail into a hard wood workpiece
with the Model NT 65A3, a pressure of about 5.5 kgf/cm
2
(78 psi, 5.4 bar) allows the nailer to drive the nail flush
with the surface. A pressure beyond this value causes the nail head to be driven below the wood surface.
Figure 2 should be used as a reference only because those values vary depending on the type of wood, moisture
content and grain of wood.
Fig. 2 Required nailing energy and nailer output energy
Air pressure setting of NT 65A3 to drive nail flush
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