Roto Round Concentricity Fixture

The rotoround is an adjustable fixture used to check concentricities, runout, and/or TIR of one or more surfaces to a basic diameter. Three precision bearings set the primary datum plane and support the weight of the part while 2 roller bearings mounted on the angled base define the circular datum. Indicators then contact the part as it is being rotated to determine various parameters

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roto round

CPF For parts 1-5″ (25mm-130mm) in diameter. Fixture includes:
.0001″ grad. large format double dial test indicator.
.00005″ grad. large format double dial test indicator.
Two sets of adjustable load bearings (3 each).
Two sets of banking bearings (2 each): bearing number 9028 (.25″ OD x .12″ thick), bearing number 2426 (.312″ OD x .12″ thick).
15 degree angled base plate.
Tool set with holder .
Wooden storage box.

CPR-1  For parts 3-12″ (75mm-300mm) in diameter with maximum weight of 150 lbs. (70Kg.). Fixture includes:
One .0005″ grad. AGD group 2 dial indicator.
Two .0001″ grad. AGD group 2 dial indicator.
One magnetic base stand.
One indicating unit with right angle transfer.
One adjustable height stand.
Three sets of adjustable load bearings in .50″ increments (3 each) bearing number 9020 .866 OD x .406″ thick.
One set of banking bearings (2 each): bearing number 9018 (.75″ OD x .281″ thick).
15 degree angled base plate with adjustable bridge gantry.
Tool set with holder.
Wooden shipping/storage case.

CPF-2 For parts 10-30″ (250mm-760mm) in diameter with maximum weight up to 1000 lbs. (450Kg.). Fixture includes:
Two .0005″ grad. AGD group 2 dial indicator.
One magnetic base stand.
One adjustable pole stand.
Three sets of adjustable load bearings in .50″ increments (3 each).
One set of banking bearings (2 each): bearing number 9029 (1.10″ OD x .562″ thick).
15 degree angled base plate.
tool set with holder.
Wooden shipping/storage crate.

P-CPF-33824 As described in Pratt & Whitney overhaul manual, similar to CPF-2 but features:
Canted base.
Rubber bumpers.
Special bearing set.
Additional post location.

 

 


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