What is this bike building machine?
08-29-22, 10:26 PM
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What is this bike building machine?
I came across this photo in a current article in Bicycle Retailer.com about bike designer Mike Burrows who recently passed.
What is this beast of a machine and what does it do? It's got to be way more than a drill press!
What is this beast of a machine and what does it do? It's got to be way more than a drill press!
08-29-22, 11:18 PM
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Google Lens tells me it's a vertical mill.
Photo Index - Kearney & Trecker Co. - Model 2HL Vertical | VintageMachinery.org
Photo Index - Kearney & Trecker Co. - Model 2HL Vertical | VintageMachinery.org
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08-29-22, 11:58 PM
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Regarding what it does, well, it's a metal working analog of a woodworking router.
That is, it cuts material which is traveling across the cutter in a direction perpendicular to the spin axis of the cutter. It can also cut across the bottom of the cutter to create a flat surface (flat bottomed cutter) or profiled surface (with profiled cutter). It can also cut across the sides of the cutter. You can also use its flat-bottomed cutters to cut downward and make flat-bottomed holes. It differs from a drill, in that twist drills cut downward along their spin axis.
With a properly sized cutter, you can use it to miter frame tubes.
That is, it cuts material which is traveling across the cutter in a direction perpendicular to the spin axis of the cutter. It can also cut across the bottom of the cutter to create a flat surface (flat bottomed cutter) or profiled surface (with profiled cutter). It can also cut across the sides of the cutter. You can also use its flat-bottomed cutters to cut downward and make flat-bottomed holes. It differs from a drill, in that twist drills cut downward along their spin axis.
With a properly sized cutter, you can use it to miter frame tubes.
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08-30-22, 12:36 AM
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And with an expert hand like Mike at the controls, it can do extraordinary operations not normally achieved. 
08-30-22, 05:37 AM
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It is a "machine tool", the essential quality of which is that it can make another like itself.
(Milwaukee 2HL, you want a solid base for that thing.)
(Milwaukee 2HL, you want a solid base for that thing.)
08-30-22, 06:20 AM
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08-30-22, 09:46 AM
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I would prefer to have a Bridgeport Mill
but that is what I learned on.
would not even need a digital readout and power feed... but would be nice!
but that is what I learned on.
would not even need a digital readout and power feed... but would be nice!
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08-30-22, 06:35 PM
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Fascinating! Thanks for all the info - I knew you guys would know. So this is what we had before there was CNC machining?
08-31-22, 12:02 AM
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