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Chop Saw tube notching exposed!

Discussion in 'Center Of Gravity' started by BadDog, Dec 20, 2004.

  1. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    I like many others do most of my notches (tube fish-mouth) using a chop saw, even though I have a "hole saw notcher" and plasma cutter. However, I pretty much guess at how it needs to be cut. Sometimes it works, sometimes I grind a while, sometimes I fill a 1/4+ gap... Recently on PBB there was a thread about how this is done more precisely. The best post was by "tigweld" on PBB and is quoted below. After the quote is a link to the whole thread. I thought this was just too good not to post here (and make it easier for me to keep up with it too!)
    Full thread on PBB.
     
  2. rubbinz raczn

    rubbinz raczn 1/2 ton status

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    all i can say is wow! i need more experience.
     
  3. Muddytazz

    Muddytazz 1 ton status

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    That is some baddass information there. Believe it or not, I actually understand that and can't for the life of me think of why I didn't think of notching like that a long time ago instead of just using my angle grinder to make the notch after using the bandsaw to cut the angle :doah:
     
  4. alf4444

    alf4444 1/2 ton status

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    Anyone got any pics of this for the slow kids:confused:
     
  5. willyswanter

    willyswanter 1/2 ton status GMOTM Winner

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    I must admit that does work rather well. After doing my bed and exo last January with a holesaw notcher I moved into this method of notching and it was much better. I used to get so frustrated with the holesaw notcher that about every 10 notches I would throw it across the garage then go in the house for an hour to calm down... But the chop saw was still slow and required some grinding was loud (I have sensitive ears and loud things bug me and give me headaches). I bought a bandsaw to use for a chop saw since I couldn't stand the noise anymore and havn't had the chop saw out in probably 8 months now. My new notcher:

    [​IMG]

    Notches from 0-90* in seconds :D ;)
     
  6. alf4444

    alf4444 1/2 ton status

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    tHIS i THINK WOULD BE THE IDEAL SETUP ALTHOUGH MOST OF US DON'T HAVE THE ROOM OR THE FUNDAGE FOR A LATHE:blush:
     
  7. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    yeah, i was following that thread over there... very usefull info. Interesting that some people who fab a lot and can definitely afford real notchers etc have gotten good enough with the chop saw method that they dont even bother with anything else. Pretty cool since a chop saw can definitely be had cheaper than a good notcher.

    j
     
  8. sickquad

    sickquad 1/2 ton status

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    That lathe method is great unless you are using thin wall tubing with deep notches. The thin wall tends to bend at the tip when you get deep. You have to cut the notch, then file down some of the tip, then cut some more. It works great. I built a jig that pretty much looks exactly like the one shown. I always wondered why you can't buy those to mount up to your tool post.

    -Chris
     
  9. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Sure, works great; assuming you can afford, have room for, and know how to use a lathe... ;)
     
  10. nightmare73

    nightmare73 1/2 ton status

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    Chop saw tube notching

    Nice quote from tigweld. Can't wait to try it out. I'm building a full cage and am new to this type of work.
     
  11. unclematty

    unclematty 1/2 ton status

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    Great info there guys! But that would take all the cursing and getting pissed at the tube, out of the whole cage building experience! :D
     
  12. jcg

    jcg 1/2 ton status

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    Back in my Mini-Baja days I could notch tubes like that on the bandsaw faster than anyone else could do it with a hole saw. It's so much easier for small angles too, especially since most notchers only go to 60*.
     
  13. i8yrsuv

    i8yrsuv 1/2 ton status

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    Check out " Williams low buck tools" ,they have a notcher that works good and is affordable. Do a search for it !
    [I am not related to the peoples.]
     
    Last edited: Aug 6, 2005
  14. darkshadow

    darkshadow 1 ton status

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    All i have ever noched tube with is a home made chop saw my boss made.

    he had been cutting on it for years,(making railings) when a guy tryed to sell him a nocher he said he would buy it IF it was better or faster them him.

    the salesman said he dident need it!

    once you do it for a bit you will have the hang of it and will be fine.
     
  15. NoRulz

    NoRulz 1/2 ton status

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    chicken? :wink1:
     
  16. Metal Twister

    Metal Twister 1/2 ton status

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  17. Metal Twister

    Metal Twister 1/2 ton status

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  18. ryoken

    ryoken Puppy Fabricator Premium Member GMOTM Winner

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    holy old thread batman.....


    I chopsaw about 80% of my notches.....
     
  19. Captainfab

    Captainfab 1/2 ton status Premium Member

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