pneumatic hand drilling ppt
#1

please can you send me the material about pneumatic hand drilling as i need to submit project regarding it.
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#2

.pdf   pneumatic hand drilling.pdf (Size: 120.02 KB / Downloads: 0)





Pneumatic Hand-held Drilling Machine is an underground approved rotary drill. It is the
portable and standard drilling machine for many applications in coal and soft rock mining
and tunneling. Reversal rotation function is fitted for some model to make drill rod returning
faster. Due to its smart and robust motor, some of their efficiency and function can be
compared with column-type drilling machine. Pneumatic hand-held drilling machine
includes ZQS-50/1.6, ZQSJ-65/2.5, ZQSJ-80/2.8, ZQSJ-90/2.1, ZQSJ-100/2.5 and
ZQSJ-140/4.1.
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#3

Pneumatic Core Drills - Wet Diamond Core Drills

Rugged 3-speed gearbox with mechanical slip clutch
Ideal for heavy-duty wet drilling in concrete, reinforced concrete and asphalt
Pneumatic power for hazardous areas and Ex zones


RD240 is an economical rock drill with powerful torque and percussive forces, and it is designed for long hole drilling. Its powerful torque and percussion, generated by the long stroke mechanism and the high efficiency tubular valve, enable a superb performance for drilling down to about six meters and is making the drill efficient in hard rock. The design of RD240 makes it drill fast and efficient and the machine is also durable and easy to handle.
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