Hydraulic system: it adopts advanced control technologies such as closed energy-saving circuit, load sensing control and electro-hydraulic proportional control. It adopts excellent filtration devices and imported elements which ensures energy-saving and reliable quality. Slewing system: driven by low speed and big torque motor, featuring big start torque; two speed gears, high work efficiency; and automatic high pressure protection for high reliability. Push/pull system: gear rack type, three-speed gear stepless speed regulation, smooth and efficient operation. Sliding drill mounting: the high strength drill mounting can be applicable to drill stems of various lengths; driven by the cylinder, the angle of sliding drill mounting can be conveniently adjusted. Powerful clamp: it adopts clamp and power head suspension technology, which effectively reduces the wear of the thread of drill stem and extends its service life. The removal of the clamp is efficient and reliable.
1. All the machines will be full tested before shipment; All products have one year warranty and lifetime maintenance serive (collect maintenance after one year) 2. 24 Hours technical support, email, telephone or video online 3. User-friendly english manual for machine using and maintaining 4.Several sets wearing parts will be free for you.