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Drill, impact drill, hammer the difference [2015-01-31]

We simply drill motor driven by the drive gear with increased strength drill rotates , the drill do the scraping form 
on the metal timber . And other substances ripped
In the drill chuck at the adjustment knob when the impact of drilling work , adjustable drilling and impact drilling 
in two ways. However, the impact of drilling is the use of internal shaft gear beating each other to achieve the 
impact, but the impact is far less than the hammer . it can also be drilled reinforced concrete , but ineffective.
Hammer is not the same , it is the use of two sets of gear motor drives the bottom structure , a set of drills to 
achieve it , while others are driven by a piston engine like hydraulic stroke , have a strong impact, along with the 
drill results. Forces can Kim split stone points
Let motor driven hammer is thrown mound swinging form do bounce run , make picks have produced Gouge ground 
Gao is the use of hydraulic transmission compressor driven by the gas pressure in the pump hammer rebound 
hammer to move, resulting in Ho Gouge ground effect, but only a chisel hammer , pickaxe it does not rotate .
Summary alone can only drill drill drill impact drill can also have a little hammer hammer drill can drill results and 
higher hammering hammer drill is not only a hammer .

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