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    SPECIFICATION OF SILICON NITRIDE ROLLERS
     Release:hctc_en  Views:1404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 ] 地图
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