Competitive Black Anodized Aluminium Heat Sink with CNC Machining

1. Features of COSCO Black anozized aluminium extruded heatsink with CNC machining :
1) Qualified aluminium alloy: 6063 (6061, 6060, 6005, 6082, 6N01, 5083, 8056, 3003 available)2) Finish: Black anodization,sandblasting
(Besides, our factory is also capable to provide different surface treatment for our customers to
choose, such as Powder Coating, Painting, Silkscreening, Polishing, brushing, hard anodization,
natural anodization, color anodization, etc.)3) Machining: The faceplate includes Stamping, CNC machining and drilling. (Besides, we can
provide precision processing such as bending, welding, lathing, tapping, shearing, cutting, milling,
punching, etc)4) OEM design is welcome.
2. Why choose COSCO Aluminium:
1) Best Quality Control: We have pass ISO9001 for more than 12years, TS16949-certified and products pass RoHS test.2) One-stop service: From tool design&making to alloying aluminium, extrude, machining,
surface treatment, packing as well as assembling, we do everything in house.
QCs and QAs are ready at the production line to inspect the products.3) Best communication with competitive price: sales rep. help customers to quote within 24hours.4) Equip with the advanced facilities in the Lab to test the products in the production lines,
samples and material to insure it is qualified.5) Strong technical support: We have specific technicians to provide the aluminium
extrusion solutions to our customers. Specific engineers to provide loading method for overseas
transportation.
Item
Original Products
Alternatives
Extrusion toleranceGB /T5237-2000
(Chinese Standard)
EN-755-2/3/6/8, BS-1474, BS 1161
(British Standards)
JIS H4100 (Japanese Standard)
AS/NZS1866-1997
(Australian New Zealand Standard)
Machining toleranceGB/T1804-92
BS 8118
TS1649
Standard for Anodizing
GB5237.2-2004
BS1615: 1987
BS5599: 1993
Mil-A-8625E Type II
Mil-A-8625E Type III
Manufacturing Process
Die designing→ Die making→ Smelting& alloying→ Extruding→ Cutting→ CNC machining→ Driling→ Tapping→ Surface treatment→ Welding→ Assembling→ Packing
Packing method1. Standard packing: Eachprofile will be wrapped in the plastic sheet in order to protect the profiles' surfaces, kraft paper wrapped in bundles.
2. Special packing: wooden cases+iron trays.
3. Bundles or boxes with wooden bars
4. EPE+carton boxes.
5. Customized packing methods are welcomed.
6.13 tons to a 20 feet container, 20 tons to a 40 feet container