Home sharpening timber wolf blades

[Woodworks]

If thinking of getting a grinder it might be worth a look at the Sheppach Morten mentioned at the beginning of this thread. Sheppach have a good reputation and much better priced than the Tormek.

[Big Beech]

my dad sharpens mine for me, as he is a precision engineer after all. and it costs me £10 a set

mine are hollow ground, not flat ground.

[hedgesparrow]

i ue to sharpen garden shears as one of the jobs had a proper hollow ground grinder which ground the flat of the shears not the edge. hence they cut like new if bot better. i would think the same with grinder blades its not the edge but the whole face that needs grinding to get the hollow finish and will cut a lot better than just doing the edge plus will last a lot longer as its the face brought back not just the edge.

if the tormec will do it and the jig looks like it will then worth doing if you have the machine. as pat says does not just do grinder blades but any sharp edge. had a earlier model and very good new ones a lot better

[Dog Tag]

Pat Ferrett. Thanks for all the help. My Timberwolf chewed up wet leylandi all day and never jammed. Have another set on the Jig and will do them tomorrow evening. It cost me €140 including P&P to get two pair done last year. Both blades weighed exactly the same as well. four sets sharpened will get me my money back on outlay and I dont have to wait a month or so to get them done.

[Pat Ferrett]

No probs

[treequip]

Timber wolf blades which one of the machines companies made was designed for the big home furniture manufacturers.That's when people started experimenting with band saw sharp blades its again,had trouble finding good blades from suppliers.

 

You might not be on the same page as the rest of us.

 

Here in the UK, the name timberwolf is ubiquitous with wood chippers rather than bandsaw blades.

[jack88]

Yes and they are fine.

The grinder runs at 90 rpm and is water cooled, the jig allows for exact adjustment so its a spot on finish, I can use a stone on the wheel to make it finer and then polish the finish on the leather wheel but cant see the point on the blades,

I take more time with knife blades and the results mean most of my matrs have since cut themselves because they were used to blunt knifes.

 

Hi mate what grinding wheel do you use to sharpen your blades?? Cheers

[njc110381]

i use my lathe to sharpen mines and it leaves a hollow grind

 

How do you do it exactly? I have a lathe but am new to them so haven't figured it out yet!

 

With a roller fed machine I don't suppose the hollow vs flat grind is so easy to notice. On my old Entec Trukloder which is gravity fed the difference between hollow and flat ground blades is very obvious. Flat ground just don't pull the material in the same and you end up shoving and fighting with it even when it's sharp. With the hollow grind it pulls in really nicely. A shame, because most of my local places that I've found flat grind them!

[karl]

i know this is a bit of an oldie , but the op originally asked about sharpening 190 blades . does the tormek do those, if so which would be the best set up . i.e model and wheel . so that I could do blades for 150,190 and 75/230?

cheers

[dan blocker]

Have some TW 150 chipper blades that need resharpening. Do they have to be hollow ground? Spoke to a company that sharpen them and they say its just a Timber Wolf thing and they can be just sharpened on a flat bevel. What do you chaps think?