NEW ZR255R ROTARY DRILLING RIG
Max. drilling diameter: 2000mm
Max. drilling depth: 70/56m
Max. output torque: 260kN.m
Rotary speed range: 6-26rpm
ADVANTAGE INTRODUCTION
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- The rear main winch with single-layer-rope drum and two gear box mechanism, which extends service life of the steel wire rope significantly.
- High construction efficiency thanks to big flow main pump, multi-gear rotary drive, and two-speed crowd cylinder.
- More stable structure and stronger bearing capacity thanks to the 5th generation rotary drive, large supporting angle of the mast cylinder, lower center of gravity, and reinforced chassis.
- One key for folding cathead, fixed mast support. Equipment can be transferred easily and quickly.
- Version 2.0 power matching and limit load control technology, working efficiency increased by 10%.
- New generation cab with better vision. More comfortable operation, new electrical controlpanel.360-degree full view monitoring.
- Options: Crowd winch model ZR255D,spin-off, auto-lubrication.
High efficiency: full set of imported hydraulic system,2*160 ml/r main pump; imported Cummins engine from the United States; rotary drive with multi shift working model (standard, soil, strong weathered rock, rock, soil discharge);crowd cylinder ( high speed+ low speed) for lifting and lowering rotary head
More stable & reliable: 5th generation rotary drive; Zoomlion’s self-made Kelly bar; main winch with single-layer-rope drum and twin reducers mechanism
More comfortable, safe and intelligent: new generation cab; optimized control panel & monitor screen; “one button for soil-discharge, one button for hole-cleaning”; one key for folding cathead.