A few weeks ago, I made a 5-h round trip to Welbeck Sawmill, to see Gary, their dust collection expert. I am so glad I did - he spent hours with me laying out a plan and then picking out all the pieces I would need. He was a wonderful help and I highly recommend anyone thinking about this to pay him a visit.
Anyways as I understand it, lengths of pipe are female at the ends and thus need to be connected with male connectors (MCs). My problem is that the MCs I have don't really fit inside my pipes. Well, *some* do after a long time of jimmying around, but some just refuse to go in - they seem just slightly too big, even after deburring the inside and outside of the pipes/connectors.. The pipes fit in no problem into my various fittings, and the MCs I have fit easily into various female connectors I have, so there must be something just slightly off with sizing of either pipe or connector.
I called Welbeck and Gary offered to exchange any pieces I was having trouble with, but I can't afford spending another 5-h driving out there.
I've been thinking about making a few very small relief cuts, in the direction the pipe runs, in either the male or female side of the connection, and then using these cuts to make one end either a bit smaller or a bit bigger. Once I can get all of the MC inside the pipe, I think I ought to be able to force the rest of it together.
Does this sound like a sensible plan ? I'm wondering whether it makes more sense to make those relief cuts on the male or female end. If I did it on the male end, it could possibly create a small obstruction to airflow and/or trap particles ?
Also, what do you guys use to cut the stuff ?
- I tried a jigsaw, but the motion of the blade has a tendency to bend the outside of the metal.
- I also tried a cutoff disc on an angle grinder, but it wasn't really that accurate and I don't like the shower of sparks in my shop.
Neither option led to very nice looking cuts.
Things I haven't tried but have thought about:
- how would a wood/metal blade in an oscillating tool (e.g. http://www.homedepot.ca/product/jobm...t-blade/997458) work ? Would the blade stay sharp enough to cut more than a few lengths of pipe ?
- I've heard of people using Rotozip spiral saws but the guy at Home Depot thought it wouldn't work any better than a jigsaw.
- how about using the mini-circular-saw Dremel attachments :?
I don't have a chopsaw that I can use right now.
Thanks for looking.