Potain Tower Crane--MC480

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Q: Is boom truck a crane truck? Are they the same or two different kind of truck?: they are basically the same except a boom truck usually has a trailer and is used to haul things like limber or roof trusses

Q: the lifting capacity of a hydraulic crane is based on two primary design factors what are they?: The potential lifting force of a hydraulic crane is primarily based on the diameter of the piston and on the pressure of the oil. Everything else is subservient, but necessary.

Q: I am currently an electrical apprentice but would like to become a crane operator. Something i have always wanted to become. I was wondering what the job market is for a tower crane operator vs a mobile crane operator? Also what is the salary comparison? Also how to get my foot into the door and become one. Thank you!: You have to be able to do simple trig to figure what your crane is capable of. You will have to become a member of the crane workers union. Someone may have to die to make a space for you. You may have to take jobs that are just fork lift qualified, if you are lucky, you might find work at seaports unloading cargo ships.You may have to work your way up through the ranks as a wrecking ball operator. The very lucky will make 50-60K +. The really good ones will make more only after many years.

Q: What is W_safe, the largest weight of the load that is safe to lift regardless of the angle of the crane's arm?: There okorder /

Q: How do cranes get from one construction site to another without hitting streetlights, wires, car, buildings?: They are disassembled and carried via a truck to the next job site. Also some cranes are built into a truck and so they retract into itself and make it easier to get around in a city. Also in order to be a crane operator you have to have special certification and training. For the larger cranes that are able to be on the road, some times police departments well shut down roads in order for it to move around in the city.

Q: Do they come all the way down?: They are Union workers, so they never work more than 10 minutes a day, so it really is no problem.

Q: dynamic force on crane when a load of 37k falls 1',2' 3'or 4'?: Need more information. In general, the answer is that the dynamic load depends on how quickly the payload decelerates. The dynamic load will be the mass of the payload times the peak deceleration rate. In a strength calculation, do not forget to include the static weight component of the load. The deceleration depends on the elasticity of the cables supporting the load. If the crane has a flexible supporting structure, then that could also affect the result. (You didn't say whether the crane is the traveling overhead hoist type usually seen in a factory - which typically has a stiff support - or the cantilevered truss type seen on construction sites - where the support might have a little flexibility.)

Q: Is a tower crane a fixed type crane? Still can walk? Thank you: It can also be called a fixed crane. But there are many kinds of fixed cranes.

Q: How do Crane Motors Work?: I'm not 100% familiar with this but this should be pretty close to the answer. Simple/standard crane motors work by applying power first through a rotating steel shaft into a gearbox. The gearbox allows the gearing ratio to be changed (to trade rotation speed for torque or torque for rotation speed). Another steel shaft carries the power out of the gearbox, again through rotation, to a spindle (think big thimble) around which steel cable is wrapped.

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