Why not only single hammer hammer drill
First look at your hammer a few stalls, if only a single file if there is no way to do.General Electric has three gears, electric drill, electric hammer, chisel.If your hammer has two or more than two of the function file, but not what drilling machine is broken.This situation usually occurs in the electric hammer shifting mechanism, shifting mechanism of domestic is generally used to plate or rotary pressing type, which is very easy to damage, the damage will lose the drill or hammer function.The internal structure of the electric hammer is more complex, not recommended for non professional maintenance
Although the impact of drilling and hammer are gearing rotation while the driven reciprocating hammer drill, and a direction perpendicular to the drill hammer motion, but the fundamental difference is: the impact drill is composed of a transmission mechanism of direct transmission of reciprocating hammer drill, depends on the interaction between the gear form the impact force to work the hammer, and is driven by a transmission mechanism and a piston in a cylinder of reciprocating air cylinder air pressure cycle drives the cylinder hammer blow in reciprocating drill to work, the brand specific structure is different, but the same principle, because there are a set of pneumatic structure, impact hammer general to be much higher than the impact drill.
Hammer and hammer is not the same, there are essential differences between the two are not the same, working principle.
