Hi all,
Needed a boring head and decided to make my own as explained in "Milling a complete course" by Harrold Hall.
Pretty much followed the instructions and sequence in the book.
Fly cutting the contact surface after cutting the dovetail in the body.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1772.jpg)
Cutting the slots for the arbor.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1774.jpg)
Marking out and drilling holes in the cutter carrier.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1790.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1792.jpg)
Drilling holes in the bearing plate.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1794a.jpg)
Machining the gib strip.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1795.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1796.jpg)
Undercutting the dovetails.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1797.jpg)
Making the lead screw.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1803.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1804.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1805.jpg)
Machining the dial.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1806.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1807.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1808.jpg)
A makeshift indexer was used to do the graduations on the dial.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1809.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1811.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1813.jpg)
Lead screw and dial together.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1814.jpg)
Machining a MT3 soft arbor to fit the body.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1815.jpg)
Setting up to machine the slots in the arbor.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1816.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1817.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1818.jpg)
The finished arbor.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1820.jpg)
Removing excess from the cutter carrier.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1826.jpg)
Fly cutting the sides together.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1827.jpg)
Putting a reference mark on the bearing plate.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1832.jpg)
All the components before assembly.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1834.jpg)
The finished product.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1836.jpg)
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1838.jpg)
Joined by two other little tools recently made.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1843.jpg)
And fitted on the mill.
![](http://i519.photobucket.com/albums/u356/dozerd10/Workshop/Projects/Boringhead/DSCN1844.jpg)
This was a nice project to learn more advanced skills and I am very happy with the outcome. Had the opportunity to use the boring head on another project and it works perfectly.
Cheers to all.
Abraham