lifting winch

[Christian_360]

Hi, I'm a mechanical engineering student. we have been assigned a project focusing on the size of a winch with its support structure. Can someone tell me about the sources from which to refer to tolerances (dimensional and geometric) and surface finishes typically used in this area?

 

[meccanicamg]

Bye. This information is typically the "secret" of the manufacturer, so know how company.
But if you share the drawings and explain and show your reasonings we can of art of opinions and add the shot.
For example, the trees in general have a finish ranging from ra6.3 to ra0.8 but this depends if I have to put bearings, if the steel is cemented and hardened and then after rectified or if I do all of lathe.

 

[MassiVonWeizen]

Hi, I'm a mechanical engineering student. we have been assigned a project focusing on the size of a winch with its support structure. Can someone tell me about the sources from which to refer to tolerances (dimensional and geometric) and surface finishes typically used in this area?

tolerances and finishes are to be applied on the design of the individual components then and between the last things to apply.
first of all you will have to make the sizing that consequently will lead to the choice of an assembly that will involve a choice of commercial elements (cuscinets, motors, calettators, etc...) that have implicit tolerances.

 

[meccanicamg]

commercial lements (cuscinets, motors, calettators, etc.) which have implicit tolerances.

This means that, for example, with bearings, you will have to look at the tolerances and roughness recommended by manufacturers and according to your project use the one that most suits the functional requirements.
See you qui.
know qui.

 

[Christian_360]

thanks to all of the answers. So with regard to the components on which commercial components will be mounted I can be guided by the indications present from the catalog.