I am considering the low speed 8 “ grinder for mostly sharpening of chisels and plane irons, but I was wondering if the low speed would also suitable for the occasional re grinding of or creating of a moulding plane iron for example. Does it have enough speed to shape raw steel into a usable iron?

I don’t currently have a grinder so have little knowledge about the low speed limitations...if there are any?

Also, is a low speed grinder required to run a CBN wheel or can they be used with a regular speed grinder and still provide the heat reductions as advertised?

Name: 8" Low Speed Bench Grinder w/ Light
Brand: King Industrial
SKU: KC-895LS
Price: 159.99 CAD
Availability: InStock

Question

I am considering the low speed 8 “ grinder for mostly sharpening of chisels and plane irons, but I was wondering if the low speed would also suitable for the occasional re grinding of or creating of a moulding plane iron for example. Does it have enough speed to shape raw steel into a usable iron?

I don’t currently have a grinder so have little knowledge about the low speed limitations...if there are any?

Also, is a low speed grinder required to run a CBN wheel or can they be used with a regular speed grinder and still provide the heat reductions as advertised?

Accepted Answer

Hi Les, Thanks for the question. An 8” Low Speed grinder operates at 1750 RPM compared to the typical 3500 RPM grinder.
The power rating in HP is typically the same so there is no loss in power.

The advantages of a Low Speed Grinder compared to a 3500 RPM grinder include:
Safer to use.
Grinds cooler.
While it takes longer to shape steel it also gives you more time to control the shape.
CBN wheels operate better and last longer at Low Speeds.

8" Low Speed Bench Grinder w/ Light

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8" Low Speed Bench Grinder w/ Light

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