Interchangeable pneumatic rotary head assy in Ingersoll Rand CM351 / Atlas Copco AirRoc D50 & D45 DTH pneumatic crawler rock drilling rig.
Rotary gearbox adopts two stage planet gears.The rotary head used with intensive damper can reduce the counteracting force of drilling,reduce wear.The interior structure is simple and convenient to maintain.The interior YX seal ring and needle roller thrust bearing of head are imported from USA Ingersoll Rand original products that both the property and lifetime are improved much more.The gear type rotary motor runs faster,has little impact,needs not to discharge load,has large torque when starting,stop and start rapidly,reliable;has overload protection,slow heating rate for a long working time.
Output torque: 2980 N/m
Rotating speed: 72 rpm
Rotary head assy. P/N: 5300200000
Case in Africa