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SPECIFICATION OF SILICON NITRIDE ROLLERS
 Release:hctc_en  Views:1012次 Time:2016-02-10 Share to:

Diameter and Roundness      Unit:μm


Grade

Dia

Lot Dia Variation         VDWL Max

Roller Diameter Gauge Interval

Preferred Gauges

△Cir Max


From

To


0

3

18

1

1

-10,…,-1  0  +1,…,+5

0.3


0

18

30

1

1

-10,…,-1  0  +1,…,+5

0.4


I

3

18

2

1

-10,…,-1  0  +1,…,+5

0.4


I

18

30

2

1.5

-10.5,…,-1.5  0  +1.5,…,+6

0.5


II

3

18

3

1

-10,…,-1  0  +1,…,+5

1.0


II

18

30

3

1.5

-19.5,…,-1.5  0  +1.5,…,+6

1.5


II

30

45

3

2

-20,…,-2  0  +3,…,+6

2.5


Length        Unit:μm


Grade

Length

Lot Length Variation         VLWL Max

Roller Length Gauge Interval

Preferred Gauges

SDw Max


From

To


0

3

26

6

6

-30,…,-6  0

3


0

26

50

6

6

-30,…,-6  0

3


I

3

26

10

6

-30,…,-6  0

5


I

26

50

10

10

-40,…,-10  0

5


II

3

26

14

6

-30,…,-6  0

6


II

26

50

14

10

-40,…,-10  0

6


II

50

80

14

12

-48,…,-12  0

6


Surface Roughness    Unit:μm


Grade

Rolling Surface

Ra Max

End Face

Chamfer Angle



0

0.1

0.125

1.25


I

0.16

0.25

1.25


II

0.16

0.25

2.5
















  

Length-Diameter aspect ratio (L/D)  Unit:mm

     Dia 3-5      L/D2

                                                            Dia 5-10    L/D3

                                                            Dia 10-35    L/D4


Hebei Hicera Technology Co.,Ltd JI ICP No.17013176 Add:South section of Liunan Road,Hanshan District, Handan City, Hebei Province,China
Contact:Mr.Xiao Mobile:+86-18132972788 Telephone:+86-310-5625216 Email:xjt@hi-cera.com  [ admin ] 地圖
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