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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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