Thread: New Closed Handle Design.

Hi Stewie, That is another masterpiece, Awesome work mate,
Cheers,Richie

Originally Posted by Richie Rich

Hi Stewie, That is another masterpiece, Awesome work mate,
Cheers,Richie

Thanks Richie; there have been many times I have questioned the madness in making these backsaws.

regards Stewie;

A bit of a tip for those wanting to make their own backsaws. Don't bother checking the tooth line for straightness until after the saw plate has been toothed. Especially if the saw plate has been stored recently in coiled form. What may appear as a slight misalignment along its length will disappear 9 times out of 10 after the saw teeth have been filed. Its also a good idea to lightly joint the top edge and end cuts of the saw plate with a flat file before locking the slotted back into position.

Rob may wish to add further comment on his experience with folded backs.

Stewie;

Originally Posted by planemaker

A bit of a tip for those wanting to make their own backsaws. Don't bother checking the tooth line for straightness until after the saw plate has been toothed. Especially if the saw plate has been stored recently in coiled form. What may appear as a slight misalignment along its length will disappear 9 times out of 10 after the saw teeth have been filed. Its also a good idea to lightly joint the top edge and end cuts of the saw plate with a flat file before locking the slotted back into position.

Rob may wish to add further comment on his experience with folded backs.

Stewie;

My understanding is that 1095 steel is stored in rolls in the mill as it is manufactured. Flat sheets are prepared from these rolls by flattening the rolled steel over rollers in a straightening machine. I have some flattened sheets and they are somewhat harder than is steel from the rolls, about 2 HRC points or so. Another process used in the preparation of narrower rolled stock is slitting to width which also hardens the edges of the steel. I remove this work-hardend area by filing. Once this unevenly tense edge is removed the saw plates often straighten.
Use of a non-flat plate to build a saw virtually guarantees problems in assembly or down the line so I take pains to make sure that the plates are flat before I begin assembly.

My relative ( sheet metal worker ) and I played around with a slip roll to get an idea if the use of a slip roll would temper/ harden the steel a little more, based on the idea every time the steel is rolled beyond straight it generates a small amount of heat. It seem to harden a bit just by feel, but no droop test or any other hard data. Not exactly a scientific test.
I personally straighten my saw plates both after it is cut and shaped as well as after toothing, and check on an inspection plate.
Nice looking saw there Stewie. A little steep for my preference, but as previously discussed, an individual preference. Best wishes.

Thanks for the feedback Ron. You mention that you straighten the saw plate again after toothing. What effect does the retoothing machine have on the flatness of the saw plate.

regards Stewie;

Thanks Rob. Appreciate your input.

regards Stewie;

Both sides of the saw teeth received a light stoning to fine tune the set. Tests done using Australian Blackwood.

Stewie;

Rip grain.


Crosscut grain.

The impact of the toothing punch will create a bend in the plate. A little of it will come out with filing, but in my experience it is better to straighten the plate right after toothing.

Thanks Ron. Appreciate the feedback.

regards Stewie;

This backsaw build is now completed.

Stewie;

Hi all. As someone who has battled with severe depression over the last 10 yrs , I have become acutely aware of the warning signs.
As such. I am going to trial a 3 month break from making backsaws. My apologies if this causes any inconvenience.

regards Stewie;

Stewie

Your health comes first and foremost, please do what ever you think you need to do.
Checking in here, even if your not creating Saws at the bench is still welcome and wanted at least by me and I expect a lot ,lot more .
Your input is wanted and welcomed hugely your depth of knowledge is wanted to .

Kind regards Matt

Hi Stewie,

Sorry to read that you're not feeling well. I hope the break helps.

Regards,
Rob