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Re: severe blade misalignment

 

On Sun, Sep 29, 2024 at 08:43 PM, Jack Dinan wrote:
My question now is, if we are going to twist those guide seats to bring the blade perpendicular to the vise, why do we bother to first set the two side guide bearings so perfectly.
As soon as we twist the seat, isn’t the blade going to ride on one of those bearings?
?
Hoping to learn how to set up my Dayton.

Maybe I'm not fully understanding what you are asking but, the two side bearing need to be set with a gap about the thickness of the blade. When rotated the force on the bearings should be close to the same on both bearings. Ideally this rotation should be along the center axis of the blade so as not to deflect in any direction. This is why it is best to set the blade square to the back jaw with the blade guides removed. If, after installing the guides the saw does not cut square to the back jaw you know that the guides are deflecting the blade and where to correct. Honestly, the blade guides are not designed well but to be fair, I have yet to see any that are very made well.? Ideally you should be able to set the guide position on the blade without twisting and then twist along the axis of the blade without deflection. I tried to make a guide to do this. It is doable but not easy.
?
Re: severe blade misalignment

 

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I’m the original poster with the Dayton saw who, thanks to your responses, now understands that vertical alignment is set by twisting the bearing guide seats.?

My question now is, if we are going to twist those guide seats to bring the blade perpendicular to the vise, why do we bother to first set the two side guide bearings so perfectly.
As soon as we twist the seat, isn’t the blade going to ride on one of those bearings?

Hoping to learn how to set up my Dayton.

On Sep 29, 2024, at 9:23 PM, Noel Hinz <n.h.hinz@...> wrote:

Thanks! Your mounting plate is very similar to what I had thought about doing. Very nice work.
Noel

On Sun, Sep 29, 2024, 10:26?AM crs6951 via <crs6951=[email protected]> wrote:
<20210729_120534.jpg><20210731_154133.jpg>
Re: severe blade misalignment

 

Thanks for your idea as well. I found a deal on a 4x6 with the idea of making a dedicated vertical metal cutting band saw. I have a larger Kalamazoo for horizontal cut off.?
Noel

On Sun, Sep 29, 2024, 10:24?AM Mark via <mark21056=[email protected]> wrote:
On Sun, Sep 29, 2024 at 09:59 AM, Noel Hinz wrote:
I really like the dedicated vertical idea. Could you post more pics of your mounting base and stand please. Thanks.?
?
?
?
I had some left over 3x3 tubing and made this table, 2x2 would work just as well. I like it better because i can go from horizontal to vertical in about 5 seconds. It clamps in the vise. Your saw may have different dimensions but this gives you the basic idea.?


?
Re: severe blade misalignment

 

Thanks! Your mounting plate is very similar to what I had thought about doing. Very nice work.
Noel

On Sun, Sep 29, 2024, 10:26?AM crs6951 via <crs6951=[email protected]> wrote:
Re: severe blade misalignment

 

Re: severe blade misalignment

 

On Sun, Sep 29, 2024 at 09:59 AM, Noel Hinz wrote:
I really like the dedicated vertical idea. Could you post more pics of your mounting base and stand please. Thanks.?
?
?
?
I had some left over 3x3 tubing and made this table, 2x2 would work just as well. I like it better because i can go from horizontal to vertical in about 5 seconds. It clamps in the vise. Your saw may have different dimensions but this gives you the basic idea.?


?
Re: severe blade misalignment

 

I really like the dedicated vertical idea. Could you post more pics of your mounting base and stand please. Thanks.?

Noel?

On Sat, Sep 28, 2024, 10:54?PM crs6951 via <crs6951=[email protected]> wrote:
With the twist imposed by the blade guide supports removed, you get a pretty serviceable little vertical saw.
?
Re: severe blade misalignment

 

With the twist imposed by the blade guide supports removed, you get a pretty serviceable little vertical saw.
?
Re: severe blade misalignment

 

On Sat, Sep 28, 2024 at 08:01 PM, Chuck Peterson wrote:
What “Mark’s Instructions”? Do you have a link? Hopefully something with the dots very close together!
Thats me. I replied to somebody in this conversation, I should have replied to your post.?

<cut/past>
Without the blade guides is a very good way to start setting up your saw.

1) confirm that blade has good tension and tracks well, The blade should kiss the back ledge on the wheels and both wheels. A little difference is okay but it should be close to the same (one wheel can have a slight gap)
2) turn the square so it is against the fixed jaw with the rule on the square parallel to the blade.?
3) If the rule is not parallel with the rule on the square move the fixed jaw to make it so.?
4) Now reinstall the blade guides. Clamp a small 6 inch rule to the bade to assist in make it vertical.?
5) Make test cuts and adjust blade guide laterally or twisting until the blade cuts square in both directions.?

Note: scribe a line in on the base so that you will know where to position the fixed jaw. This line will be parallel with the pivot pin in yours saw (for the head) and that is always the best starting point.?

Mark

PS? Thanks John
Re: severe blade misalignment

 

What “Mark’s Instructions”? Do you have a link? Hopefully something with the dots very close together!

Thanks in Advance!
Chuck Peterson?

On Sat, Sep 28, 2024 at 5:48?PM John Vreede via <vreededesign=[email protected]> wrote:

A? Dayton! They were the originator of the 4x6 in 1966 from Dayton Ohio - worth saving.
4x6's had a slightly lower angle of the sawframe to base, around 40deg on one's I've measured, where the later 5x6's were 45deg for more depth of cut at the expense of throat width.
Follow Mark's advice to get it cutting square.
Nice to see we haven't forgotten each other. A friend in need is a friend indeed - jv


On Sun, 29 Sep 2024, 7:40 am Jack Dinan via , <jack=[email protected]> wrote:
A vintage Dayton 4 x 6 saw.
?
All blade guides removed.
?
The blade makes an angle of almost 45 degrees with the table!
?
For the photo, I've attached a magnet to the blade and positioned a square on the table, for emphasis.
?
Re: severe blade misalignment

 

A? Dayton! They were the originator of the 4x6 in 1966 from Dayton Ohio - worth saving.
4x6's had a slightly lower angle of the sawframe to base, around 40deg on one's I've measured, where the later 5x6's were 45deg for more depth of cut at the expense of throat width.
Follow Mark's advice to get it cutting square.
Nice to see we haven't forgotten each other. A friend in need is a friend indeed - jv


On Sun, 29 Sep 2024, 7:40 am Jack Dinan via , <jack=[email protected]> wrote:
A vintage Dayton 4 x 6 saw.
?
All blade guides removed.
?
The blade makes an angle of almost 45 degrees with the table!
?
For the photo, I've attached a magnet to the blade and positioned a square on the table, for emphasis.
?
Re: severe blade misalignment

 

On Sat, Sep 28, 2024 at 04:36 PM, Robin wrote:
I may be 100% WRONG, but then again, maybe NOT?

Our 4X6 band saw 's rollers are NEEDED to orient (rotate) the blade 90? (about) so the blade is aligned front to back.

Without the rollers in place the blade would be rotated about like yours.
Without the blade guides is a very good way to start setting up your saw.

1) confirm that blade has good tension and tracks well, The blade should kiss the back ledge on the wheels and both wheels. A little difference is okay but it should be close to the same (one wheel can have a slight gap)
2) turn the square so it is against the fixed jaw with the rule on the square parallel to the blade.?
3) If the rule is not parallel with the rule on the square move the fixed jaw to make it so.?
4) Now reinstall the blade guides. Clamp a small 6 inch rule to the bade to assist in make it vertical.?
5) Make test cuts and adjust blade guide laterally or twisting until the blade cuts square in both directions.?

Note: scribe a line in on the base so that you will know where to position the fixed jaw. This line will be parallel with the pivot pin in yours saw (for the head) and that is always the best starting point.?

Mark
Re: severe blade misalignment

 

On 9/28/2024 11:40 AM, Jack Dinan wrote:
The blade makes an angle of almost 45 degrees with the table!
Not clear what you are trying to show.
Looks quite normal to me.

The moving head of the standard 4X6 saw is on a pivot at 45 degrees to the base. Has to be at that angle to allow for the blade to contact the cutting material long before the backside of the moving head does. If the head were square to the base, the head would come down and contact the cutting material and you wouldn't get anywhere.

The purpose of the 'blade guides' is to torque or twist the blade so that the short working section is now square to the base table and to your cutting stock. The guides may have fine adjustment to perfect the cut angle to square. If you remove the guides you completely defeat the design.

--
Patrick Hayes
Fremont CA
Re: severe blade misalignment

 

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Jack,

I may be 100% WRONG, but then again, maybe NOT?

Our 4X6 band saw 's rollers are NEEDED to orient (rotate) the blade 90? (about) so the blade is aligned front to back.

Without the rollers in place the blade would be rotated about like yours.

If you haven't try reinstalling the top & bottom rollers.

GOOD luck, be WELL & be SAFE!?


Mrs. R A
- - - - - - - - - - - - - - - - -
On 9/28/2024 1:40 PM, Jack Dinan wrote:

A vintage Dayton 4 x 6 saw.
?
All blade guides removed.
?
The blade makes an angle of almost 45 degrees with the table!
?
For the photo, I've attached a magnet to the blade and positioned a square on the table, for emphasis.
?
Re: severe blade misalignment

 

With no blade guides that is it's normal position
severe blade misalignment

 

A vintage Dayton 4 x 6 saw.
?
All blade guides removed.
?
The blade makes an angle of almost 45 degrees with the table!
?
For the photo, I've attached a magnet to the blade and positioned a square on the table, for emphasis.
?
Re: Saw blades

 

These are great for just about any material:
Re: Saw blades

 

On 2/15/2024 11:43 AM, Mark Kimball wrote:
On Thu, Feb 15, 2024 at 05:20 AM, paul mcclintic wrote:

I found the same blade on ebay? 3 for 59.91 + tax with free
shipping. The weld is very good.

I've been using a blade from LA Cutting Products as well.? It's 2-3
years old now and still cuts fast & straight.

Mark
I've been using nothing but LA Cutting Products for a few years now
... their current 10% off code is Vday24 , good til the end of February .

--
Snag
Si vis pacem , para bellum
Re: Saw blades

 

On Thu, Feb 15, 2024 at 05:20 AM, paul mcclintic wrote:
I found the same blade on ebay? 3 for 59.91 + tax with free shipping. The weld is very good.
I've been using a blade from LA Cutting Products as well.? It's 2-3 years old now and still cuts fast & straight.

Mark
Re: Saw blades

 

On Tue, Feb 6, 2024 at 01:08 PM, David Pidwerbecki wrote:
I buy the supercut bi-metal blade from Harbor Freight. ? I wait for a coupon. ?Item 97119.
I found the same blade on ebay? 3 for 59.91 + tax with free shipping. The weld is very good.
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