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December 15, 2019, 11:08:07 am


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Author Topic: New Bandsaw (NEW new)  (Read 1153 times)
Bob La Londe
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« on: August 14, 2019, 23:38:23 pm »

I got suckered in by some SPAM from Grizzly and ordered a G0621X variable speed vertical wood/metal bandsaw.  Of course it seems to only come with a wood blade, and I will probably only ever use it for metal cutting.  (I already have a decent Rigid mid/small woodcutting upright bandsaw.)

I think I know why they had them on sale.  The title of the listing says its 3 phase.  You have to read down into the description to see they sell it with a VFD control for speed control and its wired to plug into a single phase outlet.  I think most small shop and home shop people saw "3 phase" and just skipped onto the next listing.

I'm getting ready to order a metal cutting blade for it.  I like the way the M42 blades hold up on my 7x10 bandsaw so I figured I'd just get those for the upright.  The saw spec says blade width from 1/8 to 1 inch, but I doubt I'll be doing any scroll cutting with it.  I'm kinda looking for the most useful pitch and width so to speak.  Is there a big difference between a 3/4 inch wide blade and a 1 inch wide blade.  I suspect I'll be doing 99.9% straight cutting stuff that isn't practical to fit in the horizontal.  Cost difference is only about $10-15 dollars depending on the source, but still $10 is a premium six pack of beer or a couple shots of top grade Canadian rye for after work.

Then there is pitch.  The blade on my 7x10 horizontal seems to do just fine for most things.  I use it on aluminum most of the time, but it will severe 1-5/8 4140QT round without much thought, and of course it severs easy machining stress proof almost as fast as it chops aluminum. Looks like about 12 pitch.  I can't recall, but it might be variable pitch 12/14 or something like that.  I don't want to have a bunch of different blades hanging on the wall.  Just one spare that will allow me to keep going if I break one while I order another spare.  It will get used most of the time to cut 6061 or 7075 aluminum from 1/2" thick to 2 inch thick.  It will occasionally need to cut some 4140HT or some A36 from 1/4 inch to 1-1/2 inch.  Rarely I may need to cut some pieces of aluminum sheet in either 5052 or 3003.  Now I usually cut those with a circular saw on the wood deck of my equipment trailer.

I'm leaning towards a 12-14TPI or 10-12TPI 3/4 inch blade since that's what I am running on the horizontal, but I'm open to changing my mind.
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kvom
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« Reply #1 on: August 15, 2019, 01:07:44 am »

My Rockwell vertical uses a 12-14 tpi bi-metallic 3/4" blade.  No complaints, but I rarely cut anything more than 1/2" thick.
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Garyhlucas
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« Reply #2 on: August 15, 2019, 01:23:02 am »

The 12/14 pitch blades are WAY too fine for cutting aluminum.  I just found a couple of 6 pitch blades that fit my portaband, huge improvement for aluminum but 450 fpm still too slow. Years ago I designed a part with swooping curves from 1” thick aluminum. The machinists wanted to know how we would machine it. I pulled out a 4 tpi skip tooth blade 1/2” wide and set up the 18” Grob vertical bandsaw for wood cutting speed. Beautiful cuts we just smoothed a bit with a file. Try it, you’ll like it.
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Bubba
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« Reply #3 on: August 15, 2019, 19:40:11 pm »

12/14 pitch blades are WAY too fine for cutting aluminum
****************************
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Skip tooth blade!
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Bob La Londe
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« Reply #4 on: August 16, 2019, 20:36:59 pm »

Well, I had hoped to reach a compromise blade to leave on "most" of the time, but I broke down and bought two blades for the new saw.  A 5/8 and a 10/14.  I looked at buying some coil stock, but I just don't want carbon steel blades.  I cut just enough medium hard steel to make them pretty useless for me.  The coils of decent quality bimetal were just a little more than I wanted to spend right now after spending all my pocket money on the saw.


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lloydsp
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« Reply #5 on: August 16, 2019, 21:56:15 pm »

And then, of course, you have to weld them!

Lloyd
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Bob La Londe
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« Reply #6 on: August 16, 2019, 22:52:51 pm »

I've had decent luck with silver brazing, and I'm not afraid to try other things.  I already made a jig for clamping blades up straight a few years ago.  Of course I would have shopped around for a regular blade welder if I bought a big roll of bandsaw blade coil stock. 
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« Reply #7 on: August 16, 2019, 23:59:19 pm »

Good on ya', Bob.  You've obviously got it under control!

Lloyd
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Bob La Londe
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« Reply #8 on: August 17, 2019, 00:34:21 am »

Good on ya', Bob.  You've obviously got it under control!

Lloyd


Yeah, right.  I haven't had anything under control in years.  Life's adventures are like sitting in the chute on a wild bronc.  If I can just hold on for 8 more seconds I'm good.  
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Bob La Londe
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« Reply #9 on: August 24, 2019, 21:16:40 pm »

Well, some good news, and some bad news.  

The saw has ball bearing roller blade guides instead of the pad guides shown in the on-line manual.  

The bolt holes in the saw do not line up with the bolt holes in the stand.  Not even close.  

Modifying the stand would be more work than just making a stand from scratch.  Neither was how I wanted to spend my Saturday afternoon.  A call to Grizzly was a bit of a good new bad news thing as well.  They do have customer service on Saturday, but I have to talk to tech support first which is not there on Saturday.  

Customer Service can open a ticket, but if they do I have to wait for tech support to "get around to" calling me back.  If I call back on Monday I "might" get to talk to them right away.  

Sigh!  I wanted to use my new saw today.  I have some stock to break down that isn't easily done on the horizontal saws.

I hate to waste the metal, but I might just make a stand anyway.  
« Last Edit: August 25, 2019, 02:19:45 am by Bob La Londe » Logged

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« Reply #10 on: August 24, 2019, 23:10:57 pm »

Bob, DON'T.

Their DUTY is to deliver a machine to you that can be assembled and used.  MAKE THEM FIX IT, and make them do it quickly!

This is NOT your responsibility!!!

Lloyd
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Bob La Londe
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« Reply #11 on: August 25, 2019, 01:50:16 am »

Bob, DON'T.

Their DUTY is to deliver a machine to you that can be assembled and used.  MAKE THEM FIX IT, and make them do it quickly!

This is NOT your responsibility!!!

Lloyd

I didn't but I also have to look at all the time waste waiting on them to "make it right." 
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Bob La Londe
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« Reply #12 on: August 26, 2019, 20:25:00 pm »

Well I found the problem.  The logo panel on the stand is on upside down.  LOL,  Seriously. I just set the stand down with the logo upside right, and the stand is upside down.  It never even occurred to me they'd ship it with their logo mounted upside down.  I feel silly. 
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lloydsp
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« Reply #13 on: August 26, 2019, 23:52:32 pm »

Hah!  That's amazing!  And it's a bit troubling!  DARN!

I'm glad you got it to fit, though.  I know you have the skills to re-mount the logo (if you wish!).

Lloyd
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Bob La Londe
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« Reply #14 on: August 27, 2019, 00:31:48 am »

Hah!  That's amazing!  And it's a bit troubling!  DARN!

I'm glad you got it to fit, though.  I know you have the skills to re-mount the logo (if you wish!).

Lloyd

Its actually mounted on a bolt in panel.  Its correct now. 
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Getting started on CNC?  In or passing through my area?
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Some Stuff I Make with CamBam
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