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MD cranes have been around since the beginnings of the Potain brand. This range is the pillar of all Potain product know-how.
Constantly evolving to meet market expectations, these cranes are equipped with the latest technological innovations and boast the best performance possible.

Technical characteristics
•  Jib lengths of between 30 m and 80 m, per 5 m section.
•  Max. load of 10 to 40 t.
•  Hoisting power ranging from between 50 and 150 horsepower.
•  The masts used are K400 (1.6 m), K600 (2 m), K800 (2.45 m) and K850 (2.45 m, reinforced).

All the components of the MD range are designed to minimize the total number of trucksrequired to transport them between sites.

The jib components can house the jib tiesto make transport easier and quicker.

Thanks to the factory-performed pre-reeving and the auxiliary winch supplied as standard, assembly of the jib and counter-jib ties can be carried out quickly and in total safety.

The mechanisms are always used at full power. When hoisting, the speed is optimized according to the load and command used. In distribution, progressive variation of speedand the maximum speed are adapted to the weight of the load. In orientation, there is controlled proportionalspeed with optimal acceleration and deceleration in accordance
with the maximum admissible torque for the mast.

The auxiliary winch can be used on the derrick: this provides users with the possibility of a motorized derrick at the base of the machine.

DVF Distribution
The jib-footDVF mechanism is easily accessible in total safety.
Progressive speed variation by proportional control.
The speed depends directly on the controls manipulated by the crane operator.
To make driving the crane easier, 2 hard spots integrated into the controlsprovide better pinpointing of the speed.

With different mechanisms (33 to 150 LVF Optima or 108 to 215 hp LBR), MD cranes are capable of high working speeds through optimizing speed in accordance with the load hoisted, allowing for gains in productivity.
•  For the first increments (approach speed, sling tension, etc.) hoisting of the load is controlled by the load security
device (a proving ring).
•  For working speeds, the Optima system adapts the speed in accordance with the load hoisted. This enables full power of the motor to always be used for optimum productivity.
The LVF Optima provides a gain of around 25% in descending speed.

RVF + orientation
The RVF Optima + orientation enables gentle rotating movements without jerking.
Fully integrated progressive control.
Driving adapts to the behavior of the crane operator:
•  Traditional driving thanks to action controlled by stoppage of the command. The slow-down phase of the jib is managed by the frequency variator in this case.
•  Or by an inverted command in the slow-down phase, called a «counter-orientation» command.
As a result, the crane operator can control stoppage.

The design of the electric sockets allows simple and quick connectionon all sites.
Whilst operating or transporting, the cables are integrated and/or stored easily in the crane, increasing the service life of the electrical equipment and providing optimal conditions of safety.
•  There is a special channel for electric wiring in the counter-jib.

Considered to be the parent range to tower cranes


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Q:when a skyscraper is done being built, how does the crane come down?
Skyscraper cranes (for construction) are usually dismantled into small sections and pieces after final stage of construction is done. Some of the smaller pieces are transported down by construction evaluators, while bigger pieces are lifted down by series of pulleys or cranes mounted at the side of the buildings edge.
Q:Paper Cranes? PLZ READ?
I know of someone who did. They did it as a fundraiser for a village school. They folded the cranes while working on the project, though, so I guess the lesson there is that you can make your own luck. The cranes look beautiful, though!
Q:How much does it cost for a crane to come to a worksite and put a roof on a house being built?
This Site Might Help You. RE: How much does it cost for a crane to come to a worksite and put a roof on a house being built? The crane will only be needed once. Is it possible to hire them? How much in general would a company charge to bring one in?
Q:What is the difference between lifting height of tower crane and independent height?
Of course there is a difference. Independent height refers to the highest height of tower crane in its free state. Lifting height refers to the height of actual tower crane design.
Q:Hi,what are crane swivels and fishing swivels.
Q:crane info?
Yes even the top load car carrier needs to be registered with LTO.
Q:a question about ichabod crane? ten points!?
Q:Effects of whooping crane?
the whopoping crane is not a part of the food chain. Nothing would happen. 100 birds is not a pencil point in the data. We spend millions on this bird and it's lose would NOT be noticed by anyone. I'll bet not one person on this form has even seen one, can tell us what is food chain function is. A link to a post or wikpedia won't cut it either, I want the exact species that is in the chain both up and down and what the exact effect would be. Since no one can give a specific chapter and versus on the specifics and talk about genaerizations, IMHO, I'm correct. NOW If the question was about the loss of all Raptors in the world, there would be an upset. The Whooping crane in it's self is so small it's impact of lose is zero. I call BS on the poster that says she saw them in FL. NOT ONE SINGLE WEB site lists FL as it's home range. You could at least have gone to Wiki and gotten your facts right and answered my AP question, but you instead tried a red herring act to promote your bias. PS I've been to the AP and know all about them (clue tell us what I meant here and prove you are a player on this subject)
Q:How much more than m of tower crane jib winch point height should be equipped with anemometer
According to the regulations of JGJ196-2010 for the safety and safety of installation, use and disassembly of tower cranes for construction purposes:The use of 4.0.15 tower crane height of more than 30m should be equipped with obstacle lights, jib root hinge height of more than 50m should be equipped with anemometer.
Q:How to fix the cable on the tower of QTZ125 type tower crane?
The main purpose is to prevent the main cable fixed tower crane tower crane cable weight lead cable pulled bad (insulation damage, core pulling) etc.,

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