N
newbie2
Hie all
I'm a newly graduated CNC machinist.Lately I've been give a simple part to b bore on a Mazak turning.1st hole id is 112 mm.and another is 40 id mm on the same piece.The problem occur when i received report from the QC dept saying that the concentricity is out by 0.3 mm.Ive tried changing the boring bar.Reworked on the jig.but the results are still the same.can any1 tell me why is this possible.or any other way of controlling the concentricity as wanted.Any help would b useful.Thx
JT
I'm a newly graduated CNC machinist.Lately I've been give a simple part to b bore on a Mazak turning.1st hole id is 112 mm.and another is 40 id mm on the same piece.The problem occur when i received report from the QC dept saying that the concentricity is out by 0.3 mm.Ive tried changing the boring bar.Reworked on the jig.but the results are still the same.can any1 tell me why is this possible.or any other way of controlling the concentricity as wanted.Any help would b useful.Thx
JT