Air Cooled Heatsinks - Dual Baseplates

+ Fabricated Heatsink Assembly

+ Dual BasePlates

- Any Way You Like It

- Standard Products

- Request Quotation

- Materials & Finishes

+ Manufacturing Considerations

- Fly cutting

- Drilling

- Tapping

- Milling, Counterboring & Countersinking

- Identification

- Surface Finish

- Datum Point

- Tolerances

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Tolerances

Aluminum Alloy and Hardness:
Baseplate, fins, legs and fan brackets: 6063-T5. Fins can be specified to be 1100H14 series. Mixed metals, aluminum alloy 6063-T5 or 1100H14 series, Copper alloy C11000

Places	Value
X	+/- 0.5mm (.020")
.XX	+/- 0.25mm (.010")
.XXX	+/- 0.13mm (.005")


Cut to Length
<=305mm +/- 0.5 (<=12" +/- .020)
>305mm +/- 1.0 (>12" +/- .040)


Cut to Width
+/- 0.5mm (+/- .020" )


Angularity
Saw Cut +/- � deg.
Extrusion +/- 1 deg.
Machined +/- � deg.


Flatness (max.)
Extrusion	<= 100mm wide 0.1mm/25mm (<= 4"wide .004/")
	> 100 mm wide 0.2mm/25mm (>4"wide .008/")
Machined	+/- 0.03/25mm/25mm (+/-.001/"/")


Surface Roughness (max.)
Machined	<=2500sq.mm - 0.8rms(/32)
Machined	>2500sq.mm - 1.6rms(/64)

NOTE: Tighter tolerances can be supplied if required at some additional cost.