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 Aluminum Die Castings Surface Finished Requirements

Dimentional Tolerance

Dimension Tolerance

0 to 30 mm   0.2 mm31 to 100 mm   0.3 mm

101 to 300 mm   0.5 mm

301 to 1000 mm   0.8 mm

(1) No burrs or sharp edges allowed anywhere on the castings.

(2) Ejector pin marks and Flash pin marks are not allowed.

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(3) Cracks, cold lap, cold flow, nonfills, solder build-up and drag marks are not acceptable.

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(4) Surface Voids or Holes are not acceptable

(5) Discontinuities in Threaded Area are not acceptable.

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(6) Rough and Dent surfaces are not acceptable

Surface is

not smooth

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(7) Parting Lines/Gates - Voids, pinholes and breakout along the parting lines and gates are unacceptable.

Surface is

not smooth

Cracks are not

acceptable

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(8) Uneven surfaces are not acceptable.

Voids are not

acceptable

Breakout and pinholes

are not acceptable

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大

 

坏的油漆

大

 

坏的油漆

  痕

  的油漆

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黑

 +  的油漆

  痕

的油漆

大漆划痕

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  痕

 

的油漆

 

的油漆

  痕

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的螺

纹

 

的油漆

大 痕

的油漆