Why choose JMB rock hammer?
Advantages of rock hammer
1. Select raw material – high quality heavy duty wear resistant alloy steel.
2. Advanced manufacturing facilities, introduced from South Korea.
3. Ten years of experiences in research and development .
4. Powerful impact blow. Compared with other brand's products, JMB series Hydraulic Breakerhas
more powerful stroke and reliable performances.
5. Easy maintenance.
6. Long lifetime.
7. Convenient A/S service.
Patented Design of Rock Hammer
1. Piston ring oil road design, reduce the resistance .
2. Powerful hydraulic nitrogen impact system.
3. New type hydraulic control valve system design.
4. Main body rebound minimization design.
Rock Hammer Parameters
How to choose our product?
JMB rock hammer | Unit | JMB200B | JMB300B | JMB400B | JMB430B | JMB450B |
Total Weight | kg | 125 | 151 | 357 | 446 | 729 |
Main Body Weight | kg | 67 | 85 | 152 | 210 | 278 |
Length | mm | 1327 | 1413 | 1656 | 1708 | 2070 |
Working Pressure | kg/m² | 90-120 | 90-120 | 110-140 | 120-150 | 130-160 |
Oil flow range | L/min | 20-30 | 25-50 | 40-70 | 50-90 | 60-100 |
Impact Frequency | bpm | 700-1200 | 600-1100 | 500-900 | 400-800 | 400-800 |
Diameter of chisel | mm | 45 | 53 | 68 | 75 | 85 |
Diameter of hose | inch | 1/2 | 1/2 | 1/2 | 1/2 | 3/4 |
Applicable Excavator | ton | 1.2-3.0 | 2.5-4.5 | 4-7 | 6-9 | 7-14 |
Every rock hammer will pass through ring upon ring of quality inspection before delivery to
our customer. And impact test is conducted for every product before delivery. Your satisfaction is our persistent pursuit!
JMB rock hammer has passed CE certification, ISO certification etc.
Contact Information
June Li
Mobile:+86-15275569036
Tel:+86-0535-6373311
Emai: juneli@hydraulicbreaker.cn
Skype: helloyanfunny@163.com
Whatapp:+86-15275569036
Dear friend, thanks for your visit. If any questions, please feel free to contact me.
