Drill faster and straighter with the patented HD700 series drifters
The Furukawa HD700 series drifters are designed to minimize drill noise and vibration without sacrificing performance. Incorporating a new piston design, the HD700 series drifters maximizes energy transmission and drills effectively in a variety of rock types.
Integrated Drilling System
The HD700 series incorporates all-hydraulic controls for automatic adjustment of impact and feed force to accommodate changing rock conditions. A reactive dampening control system regulates the pressure based on rock hardness, providing superior drilling performance.
Dual-Damper System DDS
FRD has developed the Dual-Damper System, a first in the industry. For maximum energy transfer, active DDS minimizes the return of shock waves by keeping the bit firmly against the rock at all times during drilling. It also minimizes percussion energy loss, and by optimizing the overall feed force, greatly improves the life of drilling accessories. An additional benefit is the greatly improved life of drilling accessories. Active DDS (U.S. Patent No. 5,896,937).
Compact Valve Design
A compact shuttle valve minimizes loss of oil pressure and maintains total power output of the drifter.