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Examples
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The spoils are brought into the machine by a corkscrew-like screw conveyor located behind the cutterhead.
Archive 2008-03-01 2008
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A 21 foot in diameter cutterhead is positioned at the front of machine that's the spoked wheel in the picture above.
Archive 2008-03-01 2008
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Equipped with various cutting tools, the cutterhead turns around att the rate of 0.1 to 2.5 revolutions per minute.
Archive 2008-03-01 2008
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Make sure the cutterhead is in a lowered position to allow the rods some flex.
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Next, you need to adjust the knives in the cutterhead so that they are in line with the outfeed table.
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Place one of the wrenches on the bottom nut to hold the adjuster (bottom of cutterhead frame) & loosen the top lock nut (On top of cutterhead frame).
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Construction on the two central tunnels was temporarily suspended in May of last year after inspection found extensive damage to the cutterhead rims on two tunnel boring machines.
Seattle Post-Intelligencer: Local News By CHRIS GRYGIEL / SEATTLEPI.COM STAFF 2010
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If you are lucky & your unit wasn't tighened by a 800 lb panda, it should losen and then you can turn the lower nut to adjust the height of the cutterhead.
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Once off, raise the cutterhead up & then you can drive off the nut & perform the adjustment.
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The cutterhead for the TBM has a diameter of 22 ft. "
Gothamist John Del Signore 2010
ry commented on the word cutterhead
The large, rotating cutting wheel mounted at the head of a modern TBM (tunnel boring machine). Often cutter head.
November 23, 2020