الوصف

YT*7 Air leg Rock Drill
一、Instruction
The rock drill is a kind of high efficiency air leg rock drill***** is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and national defence project facility.
When it is matched with Model FY**0 Oil reservoir and Model FT**0A or FT**0B Air-leg , it is suitable for wet drilling under various of rocks at aclinic and incline orientation, it can also use in the trolley without Air-leg.
二、Specification
Weight                                                                *7 kg
Cylinder dia                                                 *0mm
Piston stroke                                                *0mm
Impact energy                                             ≥*5.5J
Impact frequencey                                        ≥ *6.7Hz
Air consumption                                        ≤*3.3L/S
Air pipe (inner dia)                                           *5mm
Water pipe (inner dia)                                       *3mm
Air pressure                                                   0.*3MPa
Water pressure                                             0.3MPa
Bore dia                                                           ****5mm
Bore depth                                                       5m
Model FY**0B oil lubircator
Weight                                                      1.2kg
Oil capacity                                                  0.*5L
Air leg                          FT**0A                      FT**0B
Weight                           *7kg                       *6 kg
Llength:max                    ***6mm                    ***6mm
min                             ***8mm                    ***8mm
Propulsion stroke         ***8mm                    ***8 mm
Axis thrust (max)                 ***0N