YYT28 hydraulic rock drill

The YYT28 is made for general excavations,quarrying and bolting with hexagonal shank rods with a shank size of 108mm(41/2")*22mm

Description:

DangShan YYT28 hydraulic rock drill is a new generation drilling equipments

of our factory ,which takes more than 18 year careful development. And obtained the "National Key New Product" and "Technical departmentinnovation Fund".

A number of patented technology makes this product has many outstanding features: small original driving force, fast speed, stability control, low noise,simple,reliable, easy maintenance, flexible and mobile etc.

 

The YYT28 is made for general excavations,quarrying and bolting with hexagonal shank rods with a shank size of 108mm(41/2”)*22mm(7/8”).The YYT28 can use water flushing or air flushing.

YYT28 is a hydraulic rock drill to drill diameter 32mm(1¼”) to 50mm(2”) holes.

 

Technical Data:

Specifications

shank

Water flushing

Air flushing

Weight kg

Length Overall mm

Piston Stroke mm

Piston Dia mm

Oil flow L/min

22×108

√

√

28

600

24

30

32-35

Hydraulic Pressure Mpa

Impact Energy J

Impact Frequency J

Torque Nm

Spin Speed r/min

Drilling Hole dia mm

Water Pressure Mpa

15-17.5

55-65

55-60

50-55

250-300

φ32-46

0.1-0.3

support leg
Weight kg	Length mm	Length mm (extended)	Feed length mm	Feed cylinder Dia mm
12.5	1400	2600	1110	47

YYT28 hydraulic rock drill