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Old 09-18-2008, 08:09 PM   #16
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Quote:
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I had a hole saw notcher and if paid for itself but I hated using it.

heheh... and every notch seems like you are tempting fate. They should come with a box of bandaids. I hate those damn things, but I still use it. It just seems really bad when you are doing it.
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Old 09-18-2008, 08:11 PM   #17
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Ive used it all. Chop saw, holesaw notchers, Mittler Bros, etc. In my opinion, the MB unit is a nice piece, but way overpriced, and if your doing thin wall tubing, the cutter better be VERY sharp, otherwise, it likes to grab the top piece of the tubing you are notching, and pull it "down" and into the tube. Basically, it catches the tube, and pulls it in the direction the cutter is spinning. VERY AGGRIVATING!
The hole saw notchers are nice, but usually limit you to 60* notches. JMR makes a REALLY nice piece, that allows up to like 210* of swing room. I couldnt afford the JMR (I was still in high school), so I bought the bearing block, shaft, and v-block clamp from Pro Tools, and made my own. Its very simple to do. 2 scrap piece sof 2"x.5" flat bar, with a pivot bolt tieing the two together, and then mount the bearing block and clamp. Ive done many cars with it, and it works good.
Yeah I know holesaws add up, but everything has its downfalls.
Heres some pictures:







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Old 09-18-2008, 08:20 PM   #18
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How well to the dewalt hole saws hold up? I have been using the lenox hole saw bits over the ridgid(I destroyed these like they were paper towels) and seem to be holding up well. With hole saws just add an extra $25 to the cost of whatever you're using it for and you'll have a good stock pretty soon.
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Old 09-18-2008, 08:37 PM   #19
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Seems like I've tryed about all hole saws the best I've used is the matco ones they last twice to three times longer.
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Old 09-18-2008, 08:44 PM   #20
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I use a Chop Saw.... mostly

I have a Mill and do some joints that way but 90% I do with a Chop saw... Can out run a Mill all day long
I don't know how you notch with a chop saw. When I was at your shop you showed me and I thought hell that looks easy. Damn I tryed many times all I did was waste time and tubing. I will say you have an eye for it.
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Old 09-18-2008, 08:45 PM   #21
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I have used several methods and the only time I like using the mill is to repeat tube lengths with a fixture, but I will still cut the first notches on a Chop saw,

I can cut straight fit notches in about 45 seconds, and up to 45 degree notches in about 2 minutes..... anything more than 45 degrees takes some time.. but it does on the mill and definitely with hole saws also.....

Mayhew.. I thought I showed you how to notch with a chop saw...
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Old 09-18-2008, 08:46 PM   #22
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I don't know how you notch with a chop saw. When I was at your shop you showed me and I thought hell that looks easy. Damn I tryed many times all I did was waste time and tubing. I will say you have an eye for it.
I thought I showed you.... My welder Frankie calls me a "Chop Saw Artist"
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Old 09-18-2008, 08:48 PM   #23
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If someone could show me how to upload a Video I would have my wife record me doing a joint fit and then upload it... For some reason we have trouble doing it.. But I will try.
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Old 09-18-2008, 09:32 PM   #24
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You can easily upload a video at www.youtube.com. Shouldnt be too difficult.
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Old 09-18-2008, 09:44 PM   #25
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Quote:
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If someone could show me how to upload a Video I would have my wife record me doing a joint fit and then upload it... For some reason we have trouble doing it.. But I will try.
Or you can send it to me and I can upload it on my server for you.
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Old 09-18-2008, 09:48 PM   #26
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Quote:
Originally Posted by race9899 View Post
I have used several methods and the only time I like using the mill is to repeat tube lengths with a fixture, but I will still cut the first notches on a Chop saw,

I can cut straight fit notches in about 45 seconds, and up to 45 degree notches in about 2 minutes..... anything more than 45 degrees takes some time.. but it does on the mill and definitely with hole saws also.....

Mayhew.. I thought I showed you how to notch with a chop saw...
You showed me how you did it. I guess you need to show me how I do it
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Old 09-18-2008, 09:51 PM   #27
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i use holesaws tacked to a 1" dia piece of steel and use my milling machine , cheap and nasty fast as hell too if you have multipule pieces the same , plus with the milling vice and my dro i can cope parts to exact length or cope offset repeatedily . we build tubular Aarms ar work and i cope up to 500 copes a week depending on the run , all are done with holesaws , i change them once or twice a yr on average
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Old 09-18-2008, 09:59 PM   #28
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Got any pictures of your mill setup?
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Old 09-18-2008, 10:11 PM   #29
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Got any pictures of your mill setup?
it,s a very basic setup , i leave the head straight up ( normal postion for the machine ) , i use a Kurt style milling vice to hold the tube and i use a anglefinder to set the angle on the tube that is clamped in the vice , i have some notching to do in the next few days i,ll try and remember to snap some images and i,ll post a couple , fo the A-arms i do at work i,ve made 30 different fixtures to hold the tube at it,s required angle and offset .

for some really long pieces i use a cheap and nasty holesaw notcher .

i,m a machinist by trade and i won,t waste my time or $$$ using endmills for notching , the holesaw method its accurate enough IMO
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Old 09-18-2008, 10:55 PM   #30
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Quote:
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If someone could show me how to upload a Video I would have my wife record me doing a joint fit and then upload it... For some reason we have trouble doing it.. But I will try.

I'd like to see that! I can't quite grasp how you'd accurately notch with the chop saw.
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