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Deburring & Smooth Finishing Aluminium Crank Case Cover

Case Study, Uncategorised

Posted on November 15, 2019 by

smooth finishing aluminium crank case cover

We recently had the opportunity to develop a surface finishing solutions, to deburr and achieve a smooth finishing on aluminium crank cases, to benefit one of our customers, from the automotive industry, by reducing processing times and producing a repeatable and quality product.

While we were faced with a challenge to find the perfect finishing media to avoid any lodgements or part damages, the final finishing process allowed the customer to finish a higher volume of parts ensuring that the components’ geometry is integral.

The Aim

 

To deburr the aluminium motorcycle crank case cover and achieve a bright smooth finishing without damaging the aluminium crank case cover.

 

How We Achieved the Smooth Finishing on the Component

 

We achieved the final finish in a single stage process, which takes 20 minutes using our Vibratory Trough. We chose this type of vibratory finishing machine as it is perfect for deburring and smooth finishing larger parts. It also allows the client to process a larger batch of crank cases, making it an efficient piece of equipment.

Divider plates are used in the trough machine which enables processing more than one crank case at a time. This reduces the processing time and the risk of impingement. The machine and process delivers consistent results, with a superior surface finish.

Our team developed a unique process, using a single type of media and compound. As certain areas of the crank case could easily become lodged with media, the size of media was an important factor in this process. Moreover, the grade we chose was as significant as the size, taking in consideration that the part is made from aluminium. Hence we used a low-grade plastic media to prevent any damage to the part.

The liquid finishing compound used is a concentrated cleaner and polisher for non-ferrous metals.

 

Result

 

The process delivered a superior surface finish in a considerably reduced time, and the dimensional integrity of the part was maintained. All burs have been removed and the smooth finishing was achieved. A complete end-to-end solution.

 

deburr and smooth finishing aluminium crank case cover

 

 

 

 

 

 

 

 

 

If you would like to find out more information regarding our finishing expertise please check www.acton-finishing.co.uk, or contact our technical team at sales@acton-finishing.co.uk . To check learn more about ActOn’s finishing technology for Automotive and Motorsport industry please visit the Industries page.

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