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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.

                          ?

                           

                          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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