Zoomlion W7020-10E/10KA/12E/12KA Tower crane

1.Superior performance

●Short arm length, excellent lifting performance，45mArm length and arm tip can be hoisted by 6t，PCStrong adaptability to building construction；

●**Large lifting capacity of 10tAnd 12t，Lifting speed 95m/min，Leading the industry；

●The combination of arm length is rich，Jib**Length 70m，2.5mChange the arm length，**Short 30m，17 arm length combinations。

●The tower body configuration is flexible，2mTenon standard section and 2mFishplate standard section optional，And that tenon joint can be mix with the standard fishplate joint.；

2.Safe and reliable

●Triple protection of lifting capacity，Torque double protection，Strictly prevent overloading；

●Lifting height triple protection anti-rush roof，Amplitude double-protection anti-collision vehicles；

●Lectric control system intelligent detection protection anti-slip hook；

●Jacking trim control，Control of jacking motor，Prevention of accidents in jacking operation；

●The tower body is equipped with inclined ladder、The large platform is protected from falling；

●Jib pin connection，Strong resistance to sudden unloading and accidental collision；

3.Painting upgrade

●Valspar water-based paint for structural parts，One-washing and three-baking proces，5 years without rust；

●Platform、Ladder、Complete zinc immersion treatment of handrail，Anti-skid design of aluminum alloy walkway，Corrosion prevention and rust prevention in life cycle；

●Driver's cab one-step die forming，Automotive grade spot welding process，Electrophoresis process，No rust for 10 years；

●Tenon standard section main chord inner cavity electrophoresis，Paint is attached evenly and firmly without blind area and dead angle；

4.Good handling

●New frequency conversion slewing system，Start-stop transient response，There is no jitter in the whole process，Parking without swing back；

●Millimeter ant speed in position，**Low 5mm/s，Jog instantaneous response；

5.Humanized and excellent

●In-plant integrated assembly，Specialized loading scheme，Effective reduction of packaging units and transport vehicles；

●Quick loading technology，Only 5 hoists for main structure，From unloading to completion of installation and commissioning**Almost five hours；

●Identify additional core fault diagnosis、Add text description of fault alarm，Improve maintenance efficiency；

●Auxiliary pre-calibration of electronic lifting capacity limiter before delivery，Improve construction efficiency；

●And that structural component have strong universality.，Overhead parts（With counterweight）Can be related toW6515/W7015 General；

●Telescopic attached wall with wide application range，And that applicability is strong，Convenient installation；