Hi.

Seems like you are after the impossible - non contact method for a thickness

If this is one conveyor - then you have a problem that you can at least try to reduce the quantum of

I am assuming that the wear out is from carry back......

options are

better belt cleaning

heavier idler rolls

different idler configurations eg RDRT

increase idler spacing - less rolls

Thanks

JM ■

Hi

RDRT = rubber disc retrun type idlers - the discs are located to minimise carry back spillage. Note that the discs can be diff. materials - I think rubber tends to wear out of round and then the belt gets vibrated and this is not so good.

I think that you need to have a component supplier come to site and have a look at your gear.

How thick are the new idler shells

If you say that you have belt cleaners and working OK > then why are the retuirn idlers wearing out then???

What is the condition of the belt - is it cracked (can harbour carry back)...this makes it hard to have a clean side return belt.....you can bend the belt slightly to try and promote cleaning here.

I have used rubber lagged flat type return idlers at the head stn to help remove carryback from the belt after the cleaner stn (dry cargo that can not be wetted)- use a series of these and drag chain spillage conveyor underneath...

Thanks

James ■

Tern

You are doing well

I would suggest that you look at the cost- benefit for a hour/time based 100% replacement strategy

Is it far cheaper to replace all at 6year mark than go along and replace one or two off when they fail.??

You can also make a OK / not OK gauge for testing if you wish to track...you could record dia. at each year/hour milestone and trends if you wish to be more technical.

Bye

James ■

Make a jig for the UT that will access roll surface without human risk. ■