Gravity Castings Aluminum 7075 for Aerospace Pump Auto Motorcycle Cylinder Head OEM Precision Caststa

 

Sequence of sandblasting and polishing for aluminum alloy die-casting parts

一、 Preliminary preparation

1.1 Removal of oxide layer: After the completion of aluminum alloy die-casting, the surface oxide layer needs to be removed first. This step is to ensure the consistency of the workpiece in subsequent processing and prevent the impact of the oxide layer on the surface treatment effect. Usually, the oxide layer can be removed by chemical corrosion or mechanical methods.

二、 Sandblasting treatment

1.2 Increase Surface Roughness: Sandblasting can increase the surface roughness of aluminum alloy die castings, making them easier to adhere to coatings or other surface treatment materials. At the same time, sandblasting can also make the surface more uniform, which is beneficial for improving the adhesion of the coating.

1.3 Improving surface cleanliness: sandblasting can remove impurities such as dirt, grease, and rust from the surface, improving surface cleanliness. This helps to improve the adhesion between the coating and the substrate, and improves the durability of the coating.

三、 Polishing treatment

2.1 Edge trimming: After completing sandblasting treatment, the edge needs to be trimmed first. This step is to remove irregular parts such as burrs and burrs, making the workpiece more regular. Tools such as sandpaper or a file can be used for trimming.

2.2 Refining the surface: Polishing treatment can further refine the surface of aluminum alloy die castings and improve their smoothness. By using sandpaper or abrasives of different thicknesses for polishing, different surface effects can be obtained.

2.3 Improving Surface Finish: By using tools such as fine sandpaper and polishing cloth, the surface finish of aluminum alloy die castings can be further improved. This step can make the surface of the workpiece smoother, improve its aesthetics and corrosion resistance.

四、 Post processing

After completing sandblasting and polishing treatment, it is necessary to clean and dry the aluminum alloy die-casting parts. Cleaning can remove dust and impurities from the surface, preventing adverse effects on the coating. Drying is to prevent the residual moisture from affecting the quality of the workpiece.

The above is the sequence and main steps of sandblasting and polishing for aluminum alloy die castings. It should be noted that in actual operation, it may be necessary to make appropriate adjustments based on specific requirements and workpiece conditions. At the same time, in order to ensure the effectiveness and quality of the treatment, operators need to undergo professional training and possess corresponding skills and knowledge.

 

 

 

 

 

Basic Information

Total Capitalization	less than US$50,000
Country / Region	China
Year Established	2014
Total Employees	100 to 149
Business Type	Exporter, Manufacturer, Trading Company

 

Trading Capabilities

Total Annual Sales	less than US$50,000
Export Percentage	90 percent to 94 percent
OEM Services	Yes
Small Orders Accepted	Yes
Brand Names	Innolead
Payment Terms	TT
Main Competitive Advantages	Experienced R&D Department, Large Product Line, ODM (Original Designing & Manufacturing), OEM Capability, Production Capacity, Reliability, Reputation
Other Competitive Advantages	NA
Major Customer	Soprano, European Thermodynamics Ltd.
Export Markets	Australasia, Central/South America, Eastern Europe, Mid East/Africa, North America, Western Europe

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTACT US

Alex He

Tel:+86 15989331617

Whatsapp&Wechat:+86 15989331617

Skype ID:alex.ho43

Email: alex.he@innolead.net

 

Web:www.innolead.net

 

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