• MMS Youtube
  • MMS Facebook
  • MMS Linkedin
  • MMS Twitter
8/5/2011 | 1 MINUTE READ

A Quick Way to Deburr Holes in Contoured Surfaces

Facebook Share Icon LinkedIn Share Icon Twitter Share Icon Share by EMail icon Print Icon

This video shows a device that enables machine tools to quickly deburr both sides of through holes in elliptical and contoured surfaces.

Loading the player ...


Share

Facebook Share Icon LinkedIn Share Icon Twitter Share Icon Share by EMail icon Print Icon

Related Suppliers

The COFA devices from Heule Tool enables machine tools to quickly and effectively deburr both sides of through holes drilled in elliptical and contoured surfaces. These universal deburring tools use a proprietary TiN-coated carbide blade that is said to achieve fast feeds and speeds and provide long tool life.
 
As the rotating tool is fed into the hole, the front cutting edge deburrs the top of the hole and the blade rocks upwards. The action of the blade cuts a smooth, tapered edge break from 0.010 to 0.030 inch depending on the tool’s diameter.
 
While the blade is in the hole, only the ground and polished non-cutting ball touches the wall surface protecting the workpiece from damage while the tool is fed through the part. There is no need to stop or reverse the spindle. When the blade reaches the bottom of the part, its blade springs back into cutting position and the back cutting edge deburrs the bottom of the hole as the tool is withdrawn. Once the blade is back inside the hole, the tool can be rapidly removed and moved to the next hole. The video above shows this process.

COFA tools are available sizes ranging from 0.157 to 1.614 inch (4 to 41 mm). A cassette option is available for larger holes

RELATED CONTENT

  • Start With The Right Speeds And Feeds

    Running rotary milling cutters at the proper speeds and feeds is critical to obtaining long tool life and superior results, and a good place to start is with the manufacturer's recommendations. These formulas and tips provide useful guidelines.

  • Threading On A Lathe

    The right choices in tooling and technique can optimize the thread turning process.

  • 10 Tips for Titanium

    Simple process considerations can increase your productivity in milling titanium alloys.


Related Topics

Thanks for considering a subscription to Modern Machine Shop. We’re sorry to see you go, but if you change your mind, we’d still love to have you as a reader. Just click here.