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Home > Product > Fine Ceramics > Technical Data > Industrial Tools
INDUSTRIAL TOOLS CUTTING TOOLS
TOLERANCE GUIDELINE
ITEM REF.SIZE
(inches)		 No Grinding Grinding
Blank Typical Special
O.D. <1.0 ±0.012 ±0.005 ±0.0004
>1.0 ±0.1% ±0.005 ±0.0004
I.D.(Hole) <1.0 ±0.012 ±0.005 ±0.0004
>1.0 ±0.1% ±0.005 ±0.0006
Hole Pitch <1.0 ±0.012 ±0.005 ±0.0004
>1.0 ±1% ±0.005 ±0.0008
Radius <1.0 ±0.02 ±0.01 ±0.005
>1.0 ±1% ±0.012 ±0.005
Chamfer <1.0 ±0.02 ±0.01 ±0.002
>1.0 ±1% ±0.012 ±0.003
Angle - ±2 Degree ±30' ±3'
Surface Finish - 32-125 Ra 44 Ra <8 Ra
Flatness <8.0 0.006/inch 0.002 0.00002
>8.0 0.008/inch 0.005 0.00004
Parallelism <8.0 0.01/inch 0.002 0.0008
>8.0 0.02/inch 0.002 0.0008
In order to get extremely tight tolerances, Ssangyong has utilized its own technologies and ability to grind, lap, buff and polish. Dimensional & physical stabilities, excellent wear resistance and anti-corrosion characteristics of ceramic materials enable to sustain extremely precise tolerances even in hard working conditions.
The above tolerance guideline helps you to design and develop your ceramic products and components. Ssangyong is always with you to assist customers' new project and their future prosperities.
OPTICAL FERRULE BLANK
Type O.D.
(mm)		 LENGTH
(mm)		 HOLE
Concentricity
(µm)		 Straightness
(µm)
SC CON-TOP
(OD and Length Ground)		 ±0.01 ±0.025 <30 <15
SC FLAT
(OD and Length Ground)		 ±0.01 ±0.025 <30 <15
MU
(Sintered)		 ±0.02 0.5 <20 <15
Tolerance of blanks is ±0.02mm in Outer Diameter and ±0.5mm in Length.