What do you do when your drive belt starts to fail mid-job?

lundi 31 août 2015

Cut the torn part out and keep working :2tsup:
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Bit of back story:

We got contracted to supply about 15km (not a typo) of American Oak 30x30mm dressed and sanded 4 sides and with a 2mm round all 4 edges in 3.6m and 3.3m lengths. It's been arriving in batches over the past few weeks as we've pretty much bought all the timber in those lengths in the country and we have to wait for new shipments. We're getting it pre-dressed, so it's just sanding and moulding at our end.

Anyways, half way through the second batch the moulder goes 'bang' so after making sure everyone's ok we inspect the damage and find the join has started to de-laminate. Called Rydell and they can supply a new belt in 2 days but this timber has to go out the door that day so we need to keep working. Plan A is to rub some araldite in and clamp for an hour; switch the moulder on... BANG. So we end up with Plan B in the picture above, we're only running a 2mm round (2 edges at once) so there was no danger of overloading, that came later that day....

After that run, I had to do a series of glue joints for a table top; 9 boards wide, 3.3m long and 32mm thick, so 8 joins and 16 passes. Not the best timing, but it had to be done. Got it all set up, power feed on slow (6m/min) and away we go. The belt wasn't under full tension to reduce any risk of catastrophic failure so I didn't have full power and by the end of each pass it was struggling. Fortunately the belt held and the table was glued up the next morning.

Got 25 years out of that belt, hopefully the new one (which was joined on-site to save us the effort of pulling things apart) lasts as long.
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