RB777 Jack Hammer

RB777 Jack hammer is a ideal tool that break up concrete and other solid object in the road construction and installation.It has characteristic of simple structure,high efficiency and handy use . As long as fix a drill shank, turn on air source, then working.

                         Specification

Weight                                                                         37kg

Length                                                                     733mm

Rammer dia                                                              57mm

Rammer stroke                                                       189mm

Air pressure                                                           0.63Mpa

Impact frequency                                                      18.3Hz

Air consumption                                                          34L/s

Air pipe inner dia                                              19mm(3/4”)

Lubrication capacity                                                    30ml

Shank size                                                  32*152/160mm

                                                                            Work Principle

RB777 Jack hammer is a tool that use compressed air as power, the compressed air come from air connection tube(31) to the valve unit in the pick back head(4), through valve(33), allot the compress air to cylinder(11)above below antrum,promote hammer(12) reciprocating up and down, hammer(12) make punch(14) beat the end of steel shank, ensure steel shank drill into concrete continuously, make it break into pieces.

                                  Parts and illustration