Basic disposition:
1.Imported sealed parts used in the hammer rod and piston;
2.Automatic lubricating system;
3.On-line digital display detector of oil temperature and pressure (Germany);
4.Electronic control system of SIEMENS;
5.Man- machine conversation screen of SIEMENS;
6.Bypass circular cooling and filter system;
7.Main oil pumps: angle-type plunger pumps;
8.42 malfunction check points (hydraulic, electronic) with 36 automatic check points;
9.Welding hammer framework;
10.The counterblow hammer��s tups which have the equal weight strike each other with equal striking stroke by the hydraulic driving;
Performance and features:
A.High integrated power units adopts PLC fully hydraulic driving to realize no pipes connecting to ensure no leakage, high efficiency and energy saving;
B.Multinomial safety measure, circumspect on-line detecting and simplified system design can ensure safety and reliability;
C.Normal PLC energy control ways can be adjusted and set optionally and easily;
D.90% hydraulic parts are standard and easily purchased with simple construct and lower run cost
Technical parameters:
| SPEC. | CDKA | 160 | 200 | 250 | 320 | 400 |
| Striking energy | KJ | 160 | 200 | 250 | 320 | 400 |
| Ram weight (up) | KG | 18000 | 23000 | 29000 | 35000 | 48000 |
| Ram weight (down) | KG | 20000 | 25000 | 32000 | 39000 | 52000 |
| Striking stroke (up ram) | mm | 630 | 700 | 700 | 700 | 700 |
| Striking stroke (down ram) | mm | 630 | 700 | 700 | 700 | 700 |
| Striking frequency |  | 50 | 50 | 45 | 45 | 40 |
| Main motor power | KW | 220 | 264 | 360 | 440 | 528 |