Tips to getting the right product finish

Turning Tools

Machinists utilize their skills and expertise to produce the most aesthetically pleasing and accurate components possible.  They take pride in their work as do their clients.  A good surface finish and the general look of parts are very important aspects which require the most ideal machining practices to be used.  So how do machinists get the results they want? The following is by no means extensive but it give a little insight:

Use an insert with a wiper

If you can, make sure your manufacturer uses an insert with a wiper.  These have a flat section like the second image in the diagram above.  This flat part ensures that the surface is wiped smooth as the tool moves across the outside of the part.  You can also avoid a finish that has thread elements to it.

Increase the speed

When using cutting tools a rise in the speed of the tool will make sure that your part is touching the tip of the tool for a smaller time period.  This minimizes the material build-up on the end of the tool which can in turn make the surface finish less than ideal. 

Reduce pauses

When a tool stops while it is still touching the surface it can leave a mark on the part.  If you make sure to minimize the number of pauses and hesitations of your tool you can ensure a better surface finish.  You may need to change the entire manufacturing procedure.

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Australia’s productivity falls again

A United States Bureau of Labor Statistics report comparing 19 developed nations has ranked Australian manufacturing as the least productive.

The Australian Financial Review cites findings that Australia’s productivity fell four per cent last year – the biggest drop in any country – with only Japan and Italy also seeing negative results. 15 of the 19 countries had seen a positive result for last year.

The report measured “real value added in national currency units” to reduce exchange rates skewing results.
For the period 2007 to 2011, only Germany and Finland did worse than Australia, which saw a reduction in productivity of 0.5 per cent for the period.

The Czech Republic saw the greatest productivity growth for 2010-11, surging 10.1 per cent. It also managed productivity gains of between 8.3 and 13.0 per cent for every measured period in the report since 2000.

The United States’ manufacturing sector has bettered its productivity by 6.1 per cent for 2000-2007 and 3.8 per cent for 2007-2011. It has lately been seeing an industrial resurgence, which has been hailed by some as a “manufacturing renaissance”.

The Bureau of Labor Statistics report continues recent poor results for Australia’s manufacturing productivity when compared to other countries. Last month the Deloitte 2013 Global Manufacturing Index survey, pooling the views of 550 CEOs, showed Australia placing 16th in terms of how competitive it was perceived to be.

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