YYG75 is designed with high percussion frequency, which means better performance in hard rock drilling;
borehole diameter range is 33-51 mm (1.3" - 2"), faster and more efficient, percussion frequency: 100Hz
Compact size: length 735mm w/o shank length
Product Parameter
| Descriptions |
Unit |
Technical data |
| Percussion oil pressure |
bar |
210 |
| Pressure oil flow |
l/min |
65 |
| Rotation oil pressure |
bar |
225 |
| Rotation oil flow |
l/min |
60 |
| Rotation torque (max) |
Nm |
550 |
| Rotation speed (max) |
rpm |
320 |
| Percussion frequency |
min-1 |
6000 |
| Percussion energy |
J |
200 |
| Output energy |
kW |
11 |
| Drilling diameter |
mm |
33-51 |
| Weight |
Kg |
75 |
Product Picture
https://yonda2017.en.made-in-china.com/product-group/CefTHYbrbzhs/Rotary-digging-catalog-1.html
Company Information
Zhangjiagang Free Zone Yongda Machinery originally from Taiwan, has more than 40 years of manufacturing and management experience, We professionally manufacture various kinds of hydraulic rock drills, rotary heads, drifters and other advanced drilling equipment for roadway, railway, tunneling, geological surveys, foundation strengthening. mountain mining and so on.
Serve state-managed companies, construction conglomerates and well-known domestics, overseas drilling enterprise. Yonda Machinery is an advanced factory which integrated design, fabrication, sales and service.
Production Environment
Our company has a highly qualified team of professionals with challenges and opportunities of the new century. We always adhere to continuous innovation and the pursuit of excellence in developing our products.
Our Certificates
YONDA on Exhibition
Audited Supplier 
){kind=link}