Let's talk about blade sharpening?

Bange said:
Good job enjoying and creating with what's available... I like it!
I just don't think it's necessary to sharpen much beyond the original size.
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Thanks Bange,

That was the original edge length for the Honda HRX blade. I didn't add anything to it.
 
Mer2112 said:
That was the original edge length for the Honda HRX blade. I didn't add anything to it.
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I think we all know that the end of the blade does the majority of the cutting, but I'm curious as to how blade manufacturers decide what length to make the edge when the blade is made? I've read advertising BS regarding an "extended cutting length" on a blade that had an edge all the way to the center hole, which accomplishes nothing. I've even seen pics of blades where the cutting edge extended past the center hole, which I guess technically accomplishes less than nothing since anything on the other side of the center hole is moving AWAY from the grass as the blade spins.
 
Mer2112 said:
Thanks Bange,

That was the original edge length for the Honda HRX blade. I didn't add anything to it.
Click to expand...
Excuse my ignorance regarding your original blade... I've seen videos where people sharpen beyond what is necessary or efficient.Área de afiação.jpg
 
Bange said:
Here's how things are... your customer gave you the machine for a repair, not to clean or wash... but you cleaned and washed... was it necessary to carry out the repair? Almost certainly not, you do it to add a differential to your work, but you spent time and at least water… congratulations, nothing against that.
But in the time spent for this “plus”, you could have sharpened a set or two of blades…
Yes, each one has its “hang-ups”…
I don't have your experience in sharpening to ensure that cracks only occur on the polished points in normal use... just like an automotive grinder shop, I prefer to use a chemical crack developer, as it doesn't hurt, it covers my lack of experience in the matter , in addition to my poor vision due to age.
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I do not do the extra actually included things like cleaning even they are in for repair.
They only get the wipe down when they are in for a service.
The service includes blade sharpening along with the other typical general maintenance stuff but I want them to run like new (or often better) and look close to new also.

I do not wash them as I don't believe you should get water anywhere near s mower.
I wipe them down usually with WD-40 or silicon spray or a tire shine spray and then polish with a dry cloth so they are not sticky.
Typical time to do this is 70-95 seconds and it is last step after one is serviced and started back up etc.
I know the exact times it takes me to do all the typical things I do as it is very repetitious like an assembly line and I have time each action.

Again, I ask all those who clean, soak, wire brush, scrape, blades....how long does it take start to finish from the time the blade off the machine is placed in your hand to do a 21 inch walk behind mower blade???
 
I don't see any problem...
That user who does it will continue to do it with more information and who knows with better quality.
That shopkeeper who provides the service too, because the reasons that lead a user to hire the sharpener are many... I, for example, will not drive 7km, wait +- 1:30h, pay USD 10 (for example) and return 7km. ..
I have the tools, time, skill and I like to do it, but if I don't have one of the 4 items at the time, I'll definitely go to the sharpener... as I already went to sharpen the chainsaw chain.
There will always be those who make it and those who pay to make it and still a few who buy another one.
 
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