- Joined
- Dec 1, 2010
- Messages
- 1,172
I may of posted this here on this site before.
This Ball turner/ radious tool is a import boring head I had laying around, and also a AXA QCTP boring bar holder to mount it in. The Boring head is a 2-inch model. The arbour it came with was a MT-3. I machined the MT down to 3/4 OD and fit it to boring bar holder. The boring bar holder was for 5/8 bars, but remove the sleeve, and you have a QCTP boring bar holder with a 3/4 ID through hole.
A look in the scap bin, and found enough material for the handle, and the end piece for the shaft. These were quick and easy to machine up. Two parts, and easy to make. The last part was the piece to fit the boring head. Another quick job, and I have the tool to insert in the boring head, and attach a carbide insert.
Cost of this ball turner was cheaper than buying raw materials for a total build.
2 inch boring head 55.00
AXA boring bar block 23.00
#3 MT arbour 18.00
1- carbide insert
3 pcs out of the scrap bin
Time to build the handle, and holder for the cutter, about 2 hrs
Quick/easy, and not much cash involved. If I need to use the boring head on my mill, no problem. Just swap over the screw on arbour for the R-8 version.
Might be of use to some guys that have these items laying around anyway, as I did. Ive used this one for several ball turning jobs over the last yr or so, its proved to work quite well doing radious work too.
Paul
This Ball turner/ radious tool is a import boring head I had laying around, and also a AXA QCTP boring bar holder to mount it in. The Boring head is a 2-inch model. The arbour it came with was a MT-3. I machined the MT down to 3/4 OD and fit it to boring bar holder. The boring bar holder was for 5/8 bars, but remove the sleeve, and you have a QCTP boring bar holder with a 3/4 ID through hole.
A look in the scap bin, and found enough material for the handle, and the end piece for the shaft. These were quick and easy to machine up. Two parts, and easy to make. The last part was the piece to fit the boring head. Another quick job, and I have the tool to insert in the boring head, and attach a carbide insert.
Cost of this ball turner was cheaper than buying raw materials for a total build.
2 inch boring head 55.00
AXA boring bar block 23.00
#3 MT arbour 18.00
1- carbide insert
3 pcs out of the scrap bin
Time to build the handle, and holder for the cutter, about 2 hrs
Quick/easy, and not much cash involved. If I need to use the boring head on my mill, no problem. Just swap over the screw on arbour for the R-8 version.
Might be of use to some guys that have these items laying around anyway, as I did. Ive used this one for several ball turning jobs over the last yr or so, its proved to work quite well doing radious work too.
Paul
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