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#91

General Tormek Questions / Sharpening 28mm Rotary Blades?

Last post by YukonJake - October 22, 2025, 06:43:22 PM

Has anyone tackled sharpening 28mm rotary blades? If so, are there jigs out there that would fit the T8?

Thanks much.

#92

Hand Tool Woodworking / Re: How to grind a out of squa...

Last post by rolsen - October 22, 2025, 06:06:13 PM

I'm not sure which way to skew it

Just put the plane iron on the jig and then loosen both of the screws, that control the skew, the same amount, e.g. two full turns. Then screw the other one as far as it goes, you should be able to see which way the plane iron tilts.

I have to admit I'm a bit perfectionist, and always aim for accuracy, whenever I can 

#93

Hand Tool Woodworking / Re: How to grind a out of squa...

Last post by dw833 - October 22, 2025, 02:48:45 PM

Thanks for the replies.  I do have a small square, and it is square.  After I realized the blades were out of square, I made sure to check everything is square.  I haven't tried to skew the se-77 to get things back to square.  I'll have to try that this weekend.  I'm not sure which way to skew it, but I'll review the manual and do that. 
Rolsen is right about handplane blades.  They are all out of square a small amount and I could account it for it on the plane.  Still wanted to determine what I was doing wrong. 

One other thing I read is to sharpen a chisel that is square to begin with.  Since it is much narrower sharpen it and determine if it is out of square. That could provide feedback.  I'll try that this weekend also.

Will follow up after I sharpen again.

#94

Hand Tool Woodworking / Re: How to grind a out of squa...

Last post by Ken S - October 22, 2025, 02:06:58 PM

I agree about the lateral adjustment; however, developing the skill of being able to produce squareedges efficiently will serve you well.

Ken

#95

Hand Tool Woodworking / Re: How to grind a out of squa...

Last post by rolsen - October 22, 2025, 12:13:26 PM

It is ofc nice to have square edge on handplane iron, but actually square enough is enough, because handplanes usually have the lateral adjuster. If they don't have it, then a small plane setting hammer, any hammer actually, does the trick.

#96

Hand Tool Woodworking / Re: How to grind a out of squa...

Last post by John Hancock Sr - October 22, 2025, 02:49:12 AM

The only thing that matters is square across the cutting edge relative to the blade sides.

Absolutely agree!!!!

But, make sure the small square is square.

Again, excellent point! When I built my shed I was surprised as to how much of my metrology was not accurate. Always double and triple check your measuring tools before trusting them.

[square with the sides of the plane blade]

#97

Hand Tool Woodworking / Re: How to grind a out of squa...

Last post by RickKrung - October 21, 2025, 03:40:52 PM

Good day to you too ! And welcome to the forum.

If everything is square and your blades come out out of square, then there might be an issue with your technique. So if you keep on grinding the same way, you will probably keep sharpening out of square.

What I'd do is skew the SE-77 so you grind your plane blade back towards square. It is explained on page 127 of the SE-77 manual

I agree with tgbto and John.

Adjust the it using the skew screws -in very small increments - until you get the front edge of the grind square with the sides of the plane blade.  But it is unclear to me what your reference is here.  I think I'm reading square to the jig and square to the wheel. The only thing that matters is square across the cutting edge relative to the blade sides. 

Also, as tgbto points out, technique has a lot to do with how squareness turns out.  Before the skew adjustable jig came out, one way to affect the grind was to put more pressure on one side of the blade.  Even with the skew screws adjusted, I find I still have to use controlled pressure.

Use the black marker trick to help show where grinding is occurring, as you work your way back to square.  I put black marker on everything, every time I put something to the wheel, knives, scissors, drill bits, plane and chisel blades - even things that aren't cutting tools.

John mentions using a small square, which is exactly right.  But, make sure the small square is square.  I've seen mention and pictures of 3D printed small squares, but I wonder just how square they are.  The best tool to use is something precision, like a Starret 4" adjustable square, or a very small precision machinist's square.  I like the Starrett or Lee Valley Small Double Square, as projection of the scale can be adjusted, based on the projection of the blade from the jig.  Tools like these are not cheap, but I find they are worth it. 

#98

Hand Tool Woodworking / Re: How to grind a out of squa...

Last post by John Hancock Sr - October 21, 2025, 04:29:48 AM

I always double check square with a small square as I start to ensure that the iron is being sharpened square. I never trust the jig to be perfect.

#99

General Tormek Questions / Re: Noob Looking for Recommend...

Last post by John Hancock Sr - October 21, 2025, 04:26:49 AM

As a PS. I sharpen my Swiss army knife freehand on the SG. It is quite soft and I find it easy to sharpen but you may still wish to use the knife jig if you are not confident freehand

#100

General Tormek Questions / The spam issue last weekend

Last post by Ken S - October 20, 2025, 10:25:23 PM

A couple diligent members pointed out to me about the spammer last Sunday. Enough topics were effected that I emailed Tormek IT. As I expected, IT corrected the problem quickly. Over the years, I have come to rely on Tormek IT's rapid excellence. I also rely heavily on Tormek support (support@tormek.se) for technical backup. We are most fortunate to have both groups.

Ken