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What Size of abrasive belts can I use on a Dynafile 11 belt file?

The Dynafile 11 powerfile is an American standard machine so the original belt sizes were specified in inches.   Below are the US and UK standard stocked equivalent belt sizes.

  • 1/8″ x 18″  UK standard is 3mm x 457mm on both the Beltit and the Dynafile
  • 1/4″ x 18″  UK standard is 6mm x 457mm
  • 1/2″ x 18″  UK standard is 13mm x 457mm
  • 3/4″ x 18″ UK standard is 19mm x 457mm
What types of abrasive belts fit on a Dynafile 11 powerfile?

The Dynafile 11 powerfile machines and the Beltit (457mm machines) were first developed over 30 years, when they revolutionised metal fabrication work.  Being able to make an abrasive belt to fit onto a powerfile meant that you could speed up the grinding and sanding process in welds and corner fillets.  In more recent times the abrasive technology has continued to develop expanding further the abrasive applications for the Dynafile machines.

The Cibo Ceramics abrasives range of products are now able to take the operator from a 36 grit up to a 400 grit finish with ease.  In the coarser grits we recommend the FX87 ceramic belts on the Dynafile.  In the finer ceramic grits we switch to the more flexible FF87 belts.  For satin finishing we also have a full range of surface conditioning belts available.  If you need to mirror polish with a Dynafile or Beltit machine then we strongly recommend the 3M Trizact belts which will allow you to sand right up to 2000 grit and then finish with the non-abrasive polishing belts.

Should I use Zirconium Oxide or Ceramic Abrasive belts on a Dynafile?

Traditionally heavy stock removal was done with coarse grit zirconia belts on a Dynafile.  The introduction of the new Cibo Ceramics has radically changed that.  457mm ceramic abrasive belts for Dynafile machines are almost the same price as zirconia belts so it is a simple question of performance.  Cibo Ceramic belts will outlast zirconia belts by as much as 3 or 4x, making ceramic belts much more cost effective on the Dynafile 11 powerfile.  And given that the ceramic belts will also cut quicker and cooler than zirconium oxide then the decision is an easy one.

What is the narrowest Power File belt we can make?

Beltit and Dynafile power files often have the option to change arms and put on different abrasive belts.  To be able to satisfy this demand requires precision manufacturing belt joint manufacture.  All Cibo power file belts are made with kevlar backed frozen tape technology.  Cibo Abrasives have spent many years perfecting the art of power file belt manufacture so we can offer the full range of abrasive powerfile belts starting from 3mm wide.

Abrasive Power File Belt Joint Testing

To ensure excellent abrasive belt joint quality Cibo Abrasives have invested in the latest joint testing equipment so they know the belt joints will last time and time again.  Every batch is tested to ensure it meets the minimum strength characteristics demanded by Cibo.

We recommend using the 3M Trizact belts with the Dynafile 11 to ensure a clean bright mirror polish finish on stainless steel fillet welds.  to see the full process follow this link to our Find-a-Solution pages for the Dynafile 11 or the Beltit 457mm machine.

Removing rust from stainless steel with 457mm belts:  Dynabrade belts  Beltit 457mm

Satin finishing stainless steel tube:  Dynafile 11, Beltit 457mm

Satin finish stainless steel tig welds:  Dynafile 11, Beltit 457mm

Remove and satin polish stainless tig welds with:  Dynafile 11, Beltit 457mm

Which belts do deburr stainless steel edges:  Dynafile 11, Beltit 457mm

How to grind stainless Mig welds with:  Dynafile 11, Beltit 457mm

 

 

Most steel fabricators are able to paint directly onto a 40 or 60 grit Dynafile belt finish.  We therefore recommend the FX87 40 and 60 grit belts for grinding and shipping the fillet welds with the Dynafile 11 power file.

For more details check out our find-a-solution page:  Dynafile 11 Grinding steel fillet welds.  Or for the Beltit powerfile

Need a little lower aggression.  Here is our solution page including 80 grit Dynafile belts or for the Beltit 457mm belts.

13mm wide belts are definitely the best option for heavier grinding with a Dynafile.  Working with the Cibo Ceramics will be the fastest and most cost effective solution for you;

Dynafile 11 find-a-solution page

Beltit 457mm belt page

Assuming you want to remove the rust or pain off steel but you don’t want to grind away metal then the surface conditioning belts are the best solution for you.

Dynafile 11 recommendation

Beltit 457mm belt solution

If you need to remove the blacking or heat discolouration from steel then we recommend the surface conditioning belts on the Dynafile 11 and also on the Beltit with 457mm belts.

Dynafile 13 x 457mm recommendation

Beltit 13 x 457mm solution

Note:  if you have mig welded and there is a significant amount of weld spatter then we would recommend you remove that first with an 80 or 120 grit FX87 ceramic belt..

Mirror polishing can always be a tricky process.  We have however detailed a mirror polishing process for aluminium and brass tig welded fillet welds in our find-a-solution database.  You can find the right solution here:

Mirror polish with the Dynafile 11

Mirror polish with the 13 x 457mm Beltit