Gallery, Projects and General > How do I??

Sharpening a cylinder mower - hows it done?

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David Jupp:
Grinding wheel should be set to ensure proper relief on the cylinder blades.  Cylinder blade sits a against a rest which traverses - a bit like sharpening sides of an end mill.

The 'spin the cylinder' methods are bodges to varying degrees as they won't put any relief on the blades.

Lykle:

--- Quote ---they won't put any relief on the blades
--- End quote ---

How much relief would you need for grass?
To me, not having to mow the grass is a relief.

Lykle

hermetic:
Hi David Jupp.

"The 'spin the cylinder' methods are bodges to varying degrees as they won't put any relief on the blades."

The machine I saw was made By Ransome to sharpen cylinder gang mowers for professional green care, I don't think they would recomend a bodge up method of sharpening really!

oldgoaly:
I actually bought one at an auction, based on a Atlas lathe, a nice tool post grinder is mine for 15$. Don't think I took any pics, still have the rest of the lathe parts, just in case?

geoff_p:
I worked for a county-council where I had the task of sharpening several gang mowers.  We bought a machine from Ransomes and were told explicitly "No relief".  What had previously taken me hours with a small angle-grinder was reduced to a few minutes work for a far superior end-result.
Geoff,
Thailand

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