Can anyone recommend a good tubing notcher attachment for my small 3 in 1 Smithy lathe/milling machine?
Notcher for milling machine?
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Shouldn't need one for a mill. Just put in the right size end mill, or hole saw. Clamp the tube, tilt the head to the right angle and notch away. I have done hundreds of tube copes using this method. Used with a level, and a scrap piece of tube you can turn the piece over and accurately cope both ends.
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Originally posted by tackit:306354
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Originally posted by weldonwelding View PostI bought one similar to the tn 100. I got mine through baileigh industrial and was really surprised at how well it worked. I have made over 3000 copes on 1 1/2' sch 40 and it is still holding up. I used it with my drill press and found that with plenty of cutting oil the hole saws last alot longer with it on a higher rpm rather than slower. I started out at 150rpm and ended up using it on 540rpm. I recently got a coper for my ironworker so the only time i use the hole saw is for copes at an angle.
I read somewhere that roughing in mills work good in a lath setup I don't know why they wouldn't work for a notcher. I use a cutting lubricant made by Walter on just about all my long cuts and drilling, it's orange colored paste, they came out with a new kind but I haven't tried it yet, other companies make their version of it too. I even put it on my metal cutting circular saw blade, my WS told me about it, I won't work without the stuff now. The WS told me you can drill with a dull drill with it but I haven't tried it. Do you sharpen your own drill bits? I have an older Drill Doctor I use. it works really well, pretty fast too..
Walter brand cutting paste
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Originally posted by tackit:306376Originally posted by weldonwelding View PostI bought one similar to the tn 100. I got mine through baileigh industrial and was really surprised at how well it worked. I have made over 3000 copes on 1 1/2' sch 40 and it is still holding up. I used it with my drill press and found that with plenty of cutting oil the hole saws last alot longer with it on a higher rpm rather than slower. I started out at 150rpm and ended up using it on 540rpm. I recently got a coper for my ironworker so the only time i use the hole saw is for copes at an angle.
I read somewhere that roughing in mills work good in a lath setup I don't know why they wouldn't work for a notcher. I use a cutting lubricant made by Walter on just about all my long cuts and drilling, it's orange colored paste, they came out with a new kind but I haven't tried it yet, other companies make their version of it too. I even put it on my metal cutting circular saw blade, my WS told me about it, I won't work without the stuff now. The WS told me you can drill with a dull drill with it but I haven't tried it. Do you sharpen your own drill bits? I have an older Drill Doctor I use. it works really well, pretty fast too..
Walter brand cutting paste
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Yeah their nice but expensive. This one was 5000 new... But well worth it. The customer service is awesome, I talked to the owner of the company one day.
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Originally posted by weldonwelding View PostOccasionally i repair them but usually just build the z pipes and i build bridges for them to go across ditches up to 60' across
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Originally posted by tackit:306454Originally posted by weldonwelding View PostOccasionally i repair them but usually just build the z pipes and i build bridges for them to go across ditches up to 60' across
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We just use an RMR roughing cutter for all our tube notching needs on our Bridgeport style mill.
As Sprintcar repairs are one of our main sources of work we do lots of tube notching and as the pics below show we tilt the tube in the vice.
This is done solely for speed of manufacture, ideally tilting the machine head is the best option but when your using the machine to make money, then time saved is money saved.
There isn't a faster method of coping tubes we've found and it allows easy reworking of the notch if you get the notch slightly out of alignment and need to rotate it in the vice.
We've been doing this a long time and the system of tube to machine orientation works for us but it may not suit others.
Regards Andrew from Oz.
We are tig welders, gravity doesn't worry us.
Miller Dynasty 350 Tig.
OTC AVP300 AC/DC 300 amp hybrid wave Tig. (now retired)
Kemppi MLS 2300 230amp AC/DC Tig for home with all the bells and whistles.
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