If we need to remove a lot of steel to create a desired shape on a new tool, this bench grinder mounting set BGM-100 enables we to use the Tormek woodturning jigs also on our bench grinder. The Bench Grinder Mounting Set BGM-100 can be mounted on grinders with wheel diameters from 150 mm (6") to 250 mm (10"). We can either mount the grinder and the BGM-100 on a self made wooden platform or you can mount the grinder and the BGM-100 directly on the bench. We can mount the BGM-100 set on the left or on the right side of the grinder whichever suits you best. On some grinders, you need to remove the tool rest which comes with the machine, in order to mount the Tormek Universal Support. We can also mount a set on both sides, which gives you a versatile sharpening station.
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Take Control of Our Profiles : No matter which grinding machine we use, the most difficult part in sharpening woodturning tools is to exactly replicate the shape and the edge angle
Why Introduce Tormek Jigs Also for Bench Grinders : We believe that the water cooled Tormek system is superior in sharpening virtually every edge tool in our workshop. However, there is no secret that when it comes to woodturning tools and we need to remove a lot of steel, the initial shaping can be done faster on a bench grinder. We know that many woodturners have access to a bench grinder and use it for the first rough shaping
If We Have a Tormek Sharpening Machine : With the BGM-100 we can use the same precise Tormek jigs through the whole sharpening process. There is no longer trial and error in getting the right shape on the bench grinder. Thanks to the TTS-100 setter, we can benefit from the fast steel removal on the bench grinder – and with the settings unchanged – move the tool to the Tormek water cooled grindstone and the leather honing wheel for the final sharpening and finish
If We Do Not Have a Tormek Sharpening Machine : If we do not yet have a Tormek machine, we can still benefit from the precise Tormek jig system to get the desired shape and edge angle on our bench grinder. The principle for setting the shape and edge angle is the same regardless of which machine we use. If we later choose to add a Tormek to our workshop, we will already have the jigs we need for our turning tools
Using The Right Type of Grinding Wheel : Not all grinding wheels are suitable for the precision sharpening of edge tools. The standard wheels mounted on the grinder are often too hard and become glazed easily and clogged, which reduces steel removal and causes overheating of the tool. Worn grains must wear away so that new ones come into play. If not the grains will rub instead of cutting, which will increase the friction and heat development. Use an aluminium oxide wheel with the right binding – not too hard to avoid glazing and not too soft to avoid grooves
Wheel Surface : The wheel surface must be kept fresh and clean. Use the dresser recommended by our machine supplier
Influence of Heat on Hss Steel : HSS steel can stand a much higher temperature than carbon steel without decreasing the hardness. However, at the very tip of the edge, which is very thin, the temperature can easily rise to a level which will affect the hardness. Therefore, grind cautiously at the tip of the edge and do not allow it to become blue. Overheating HSS steel can cause a decrease in the hardness by as much as 4 HRC, which shortens the life of the edge. If we cool it in water, do not cool abruptly from a high temperature, since this can cause micro cracks invisible to the naked eye
Grinding Dust : The fine dust from the grinding wheel and steel particles from the tool can be a health hazard. It is best to use a dust extraction system, so the dust does not pollute the air. we must use a separate extraction system and not the same system as for our wood dust, since a spark could light a fire in the inflammable fine dust
