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    Technical Parameter

    Linear Tolerance

    Dimensions
    (mm)

    Normal
    (±)

    the equivalent

    Premium
    (±)

    the equivalent

    ISO8062-3(2007)

    VDG P690
    (1999)

    ISO8062-3(2007)

    VDG P690
    (1999)

    0-6

    0.15

    DCTG5

    D1

    0.10

    DCTG3

    D3

    6-10

    0.28

    DCTG6

    D1

    0.12

    DCTG4

    D3

    10-18

    0.25

    DCTG6

    D1

    0.15

    DCTG4

    D3

    18-30

    0.30

    DCTG6

    D1

    0.20

    DCTG5

    D3

    30-50

    0.40

    DCTG6

    D1

    0.25

    DCTG5

    D3

    50-80

    0.60

    DCTG7

    D1

    0.30

    DCTG6

    D3

    80-120

    0.80

    DCTG8

    D1

    0.45

    DCTG7

    D3

    120-180

    1.10

    DCTG9

    D1

    0.60

    DCTG7

    D3

    180-250

    1.50

    DCTG9

    D1

    0.90

    DCTG8

    D3

    250-315

    1.90

    DCTG10

    D1

    1.20

    DCTG9

    D3

    315-400

    2.40

    DCTG10

    D1

    1.50

    DCTG9

    D3

    400-500

    3.00

    DCTG11

    D1

    1.80

    DCTG9

    D3

    ≥500

    0.70%

    DCTG11

    D1

    0.40%

    DCTG9

    D3

     

    Limit Dimension for Cast Holes and Slots

    Items

    Hole Dia.
    (mm)

    L/D Hole depth/Pore diameter

    2-3

    L/D≤1

    4-7

    L/D≤2.5

    ≥8

    L/D≤3.5

    2-3

    L/D≤2

    4-7

    L/D≤5

    ≥8

    L/D≤10

    Deeper and more complicated holes and slots can be cast by using soluble wax cores and ceramic cores.

     

    Angle Tolerance

    Angle Tyoe

    Normal

    ±1°

    ±2°

    ±2°

    Premium

    ±0.5°

    ±1°

    ±1°

    Avoid the quick changes of casting structure,use fillet radius on internal angle when possible.which is no less than RO.3.

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    Tolerance for Flatnes,Straightness and Roundness

    Dimension(mm)

    Normal(mm)

    Premium(mm)

    0-25

    0.2

    0.1

    25-50

    0.4

    0.2

    50-100

    0.6

    0.3

    100-150

    0.8

    0.4

     

    Size and Weight Range

    Items(mm)

    Size

    Premium

    Outline Dimension(mm)

    1000X620X380

    <100

    Weight(kg)

    0.01-120

    0.1-1.5

    Min.Wall Thickness
    (mm)

    1.0

    5-10

     

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    Contact information

    Phone:0546-8185133

    Fax:86-546-8183123

    Email:ancheng@haihe-casting.com

    Address:Shengli Industrial Park, Dongying, Shandong

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