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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Mongrel
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<blockquote data-quote="Magnetoman" data-source="post: 113642" data-attributes="member: 2806"><p>It is buried in the bowels of the machine, but it's a rectangular rod that has a slot in it to engage the back end of the wedge on the mandrel allowing the foot pedal to push the stones up or pull them back down. There's a spring involved as well, whose force is adjusted by the knobs on the front. That is, the slotted rod pushes on the wedge via a spring whose preload is adjusted with those knobs. The absolute position of the slotted rod is determined by another knob. You crank the knob, forcing the stones up, until the dial indicator registers the displacement of something inside the housing. As the part is honed away that displacement decreases.</p><p></p><p> I can't tell from the photo what the black shaft at the right end of it looks like. Overall, it looks sort of like a mechanism to make a right turn, e.g. to turn your horizontal mill into a vertical one(?). But, you'll have to let me know what it is for me to tell if I have something equivalent, or if you can sleep like a baby tonight knowing you have something I don't have (but, which I clearly would then need to find...).</p></blockquote><p></p>
[QUOTE="Magnetoman, post: 113642, member: 2806"] It is buried in the bowels of the machine, but it's a rectangular rod that has a slot in it to engage the back end of the wedge on the mandrel allowing the foot pedal to push the stones up or pull them back down. There's a spring involved as well, whose force is adjusted by the knobs on the front. That is, the slotted rod pushes on the wedge via a spring whose preload is adjusted with those knobs. The absolute position of the slotted rod is determined by another knob. You crank the knob, forcing the stones up, until the dial indicator registers the displacement of something inside the housing. As the part is honed away that displacement decreases. I can't tell from the photo what the black shaft at the right end of it looks like. Overall, it looks sort of like a mechanism to make a right turn, e.g. to turn your horizontal mill into a vertical one(?). But, you'll have to let me know what it is for me to tell if I have something equivalent, or if you can sleep like a baby tonight knowing you have something I don't have (but, which I clearly would then need to find...). [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Comet Mongrel
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