Grob or a DoAll vertical band saw 16”-24” - Page 2
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  1. #21
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    The old Grob where I used to work had a little drawer under the table no one knew was there. In it were a set of guides to twist the blade 90 degrees making it a cutoff saw, which we found quite useful after we found them

  2. #22
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    The NS series Grobs are all step pulley speed change . I have changed the speed on mine like 3 times in 10 years have never thought to make it "variable speed" Bill

  3. #23
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    Never had a problem with mine. Was fortunate to acquire mine from a one man shop, minimal use, no abuse. Due for new belts and should outlast me.

  4. #24
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    I have an 18" Grob and a 16" Do All. Both with 3 speed gear boxes and variable shiv drives. Both have blade welders, The one on the Grob works great, The Do All welder sucks. It is old and will not weld bi metal blades. I have used newer Do All welders and they are fine. Both are heavy duty and high quality. My Do All has a gravity feed system, it works fine, My Grob has the pneumatic feeder, it is fine as well. As far as parts go Grob is better in my experience. No problem getting a manual.

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  6. #25
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    To switch from a wood cutting speed to a metal cutting speed you need like a 10 to one or 20 to one reduction. Well beyond a VFD.
    Bil lD

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  8. #26
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    I should point out that the new DoAll saws have eliminated the mechanical variable speed drive and replaced it with a 3 hp motor and a VFD. The old models had a 1.5 hp motor, but the blade power is the same between old and new models. However the new models still use the 2 speed transmission.

  9. #27
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    Quote Originally Posted by Ianagos View Post
    10-4 got one on order. You think it will cut the 1.5” steel bar alright though?
    just gotta push harder!


    Sent from my iPhone using Tapatalk

  10. #28
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    I have both, both good machines, but I think the guides are better on the doall and the gearbox part of the transmission better on the grob, with the exception of the grob varidrive which may be a little fragile. I've got a 4v-18 grob for sale in GA now if you'd like to take a look, with VFD

  11. #29
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    Have grob 18 love it welder works great

  12. #30
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    Well I’m thinking I’m gonna get the grob. Need to actually make the trip and cough up the cash still though.

  13. #31
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    I have a DoAll 1612-3, it uses a gearbox (3 speeds ) and also a variable pitch pulley. It has a really wide speed range, wider than I've ever needed.

    Earlier this year I cleaned up the blade welder, it needed nothing really in terms of parts, works beautifully.

    I am confident it will be running well long after I am no longer running well.

    Grob's are good too .... but I think the DoAll is better.

  14. #32
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    Quote Originally Posted by Bill D View Post
    I believe all grob saws have a threaded hole in the top of the arm for a lifting ring. It is 3/4 or one inch bolt size.
    I believe all grob saws have no gears, it is all belt changes to vary speed. Means getting down and dirty to change speeds but no expensive gears to wear. Do not take this as gospel it is just some long remembered stuff.
    Also the powermatic or the rockwell, not sure which, 20" saw has no drain for the transmission. It has a fill port put no way to drain the old gear oil.
    Bill D.
    I noticed some of the newer German cars are not coming with a drain port for their engine oil, you have to use a suction pump to pull the oil out of the fill port. I wonder if something like that would work for the transmission on those saws.

    We have a DoAll and a Rockwell saw in our shop. The DoAll has been pretty much bullet proof.

  15. #33
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    A lot of transmission no longer have a dipstick.

    My friend has a BMW motorcycle....in typical German fashion they use a wicked-large drain plug (why???). The problem is, the aluminum drain plug has such a large seating surface, and a shallow Allen hex, that it's very common to go to change the oil and find out you can't remove the drain plug. Even the aftermarket Clymer manual says, "Drain the oil IF you can remove the plug...." Of course, using heat is a 'no-no' on the thin aluminum engine cases and painted surrounding areas, so most guys wind up sucking the oil out the fill hole. A simple 1/4NPT plug would work wonders....


    The bike also uses straight cut gears on the lower gears....it's kinda embarrassing to drive this smooth, quiet bike that sounds like a school bus when you take off.


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