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Machinery
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DES-WK4B Mine-use Excavator |
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A. |
The first 4m3 Excavator had been manufactured in 1961, now it is still running in Neimenggu Pingzhuang and playing its role |
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B. |
4m3 Excavator early stage products: D-4 and WK-4 two series, on sale about 560 sets |
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C. |
Dominant products of 4m3: WK-4A, WK-4B and WK-4C three types, on sale about 226 sets |
WK-4B Mine-use Excavator is the third generation of WK-4 modified machine type, meantime absorbed the WK-10B technical advantages, and is also one of the dominant product of the 4m3 excavator, had been manufactured for about 40 sets, extensive used in metallurgic, coal etc. middle and small opencast mines for excavating and stripping works, as well as Petroleum, Chemistry, Hydro-power, Construction etc. earth/stone engineering
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Technical Spec. of WK-4B |
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Nominal bucket volume |
5m3 |
Main motor |
250kW |
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Bucket volume range |
4-6m3 |
Max. Excavating radius |
14.8m |
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Lifting speed |
0.885m/s |
Max. Excavating height |
10.765m |
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Pushing speed |
0.53m/s |
Max. Dumping radius |
13.06m |
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Traveling speed |
0.43km/h |
Max. Dumping height |
6.75m |
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Max. Lifting force |
450kN |
Excavating depth |
3.61m |
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Max. Pushing force |
225kN |
Working weight |
208t |
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Max. Crawling angle |
12º |
Theoretical productivity |
720m3/h |
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Average bearing pressure |
245kPa |
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Machinery