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Home >
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Forming Machines >
English Wheel >
Rolls
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English Wheel Rolls |
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Lower Rolls
Having round parts made to within .0005" tolerance (no lumps with half a thou. tolerance) and then making the bearing bores concentric to that outside surface is very important. Also important is having the bearing bores the right size, so the bearings fit properly (NOT so tight that they sound as though they have grit in them!). The bearing bores have to be round and not tapered. All of this sounds silly, but you would be surprised to learn what Kent knows about "Wheel details."
Having hardened parts is important, as the rolls "spank" the wheel every so often, when the panel is withdrawn under pressure. This spanking dings unhardened tooling, and all of your parts from then on will have marks in them - unless you re-machine your tooling.
All of the rolls made by TM Technologies are made to these high standards. The 2.5 inch rolls are for our Benchtop Model while the larger 3.5 inch rolls are for the floor model machines.
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Upper Wheel
Having round parts made to within .0005" tolerance (no lumps with half a thou. tolerance) and then making the bearing bores concentric to that outside surface is very important. Also important is having the bearing bores the right size, so the bearings fit properly (NOT so tight that they sound as though they have grit in them!). The bearing bores have to be round and not tapered. All of this sounds silly, but you would be surprised to learn what Kent knows about "Wheel details."
Having hardened parts is important, as the rolls "spank" the wheel every so often, when the panel is withdrawn under pressure. This spanking dings unhardened tooling, and all of your parts from then on will have marks in them - unless you re-machine your tooling.
All of the rolls made by TM Technologies are made to these high standards. The 9 inch Wheel is for our Benchtop Model while the larger 12 inch Wheel is for the floor model machines.
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