Hi PixMan
Sorry I have not been able to reply sooner but I have been away and had no pictures to explain my dilemma.
I use Tormach TTS Tooling on my Sieg SX3 Mill which has a R8 spindle. Raising and lowering the head on this mill is painful to say the least and the short shank of TTS tooling make this manageable.
My original purchase of a Walter Facemill was the F4080.B16.050Z0403 you recommended and this has a 16mm bore.
Unfortunately Tormach TTS face mill arbors only come in 1/2" (from Tormach) and the chinese copies only come in 22mm. See pic 1.
When I bought my second Water face mill I got a F2280.B22.052Z0403 which has a 22mm bore so I have been able to use a Chinese TTS arbor
However I have been forced to use a R8 arbor on my F4080. Since I now have a second Water face mill that I can use in the interim, I plan to modify the R8 shank FMB16 arbor to turn it into a TTS arbor. If it doesn't work I will just have to buy another R8 FMB16 arbor or sell the cutter.
This will require turning the R8 shank down to 3/4" for about 35mm and parting off at this length. Pic 2 is the R8 FMB 16 arbor that I plan to modify i.e. Turn the R8 shank down to 3/4 parallel.
Problem is holding the R8 arbor in the lathe to ensure that the new 3/4" shank and the 16mm cutter mounting shank are turned exactly concentric on a single axis.
Unfortunately the R8 end and 16mm cutter end both have threaded holes so I can't easily turn between centres.
My ideas so far.
Chuck up a piece of steel which has a 8mm slot across the face and bore to exactly 16mm (tight fit for 16mm end of arbor) This should ensure that the cutter mount end of the arbor is running concentric with the axis of the spindle. The drive ears on the arbor will engage in the slot across the socket to turn the arbor during cutting
But how do I hold the tailstock end? The slot in the R8 shank for the spindle locating pin rules out a fixed steady.
I need ideas!!!!!!!!!!!!!
Thanks
Ron
Sorry I have not been able to reply sooner but I have been away and had no pictures to explain my dilemma.
I use Tormach TTS Tooling on my Sieg SX3 Mill which has a R8 spindle. Raising and lowering the head on this mill is painful to say the least and the short shank of TTS tooling make this manageable.
My original purchase of a Walter Facemill was the F4080.B16.050Z0403 you recommended and this has a 16mm bore.
Unfortunately Tormach TTS face mill arbors only come in 1/2" (from Tormach) and the chinese copies only come in 22mm. See pic 1.
When I bought my second Water face mill I got a F2280.B22.052Z0403 which has a 22mm bore so I have been able to use a Chinese TTS arbor
However I have been forced to use a R8 arbor on my F4080. Since I now have a second Water face mill that I can use in the interim, I plan to modify the R8 shank FMB16 arbor to turn it into a TTS arbor. If it doesn't work I will just have to buy another R8 FMB16 arbor or sell the cutter.
This will require turning the R8 shank down to 3/4" for about 35mm and parting off at this length. Pic 2 is the R8 FMB 16 arbor that I plan to modify i.e. Turn the R8 shank down to 3/4 parallel.
Problem is holding the R8 arbor in the lathe to ensure that the new 3/4" shank and the 16mm cutter mounting shank are turned exactly concentric on a single axis.
Unfortunately the R8 end and 16mm cutter end both have threaded holes so I can't easily turn between centres.
My ideas so far.
Chuck up a piece of steel which has a 8mm slot across the face and bore to exactly 16mm (tight fit for 16mm end of arbor) This should ensure that the cutter mount end of the arbor is running concentric with the axis of the spindle. The drive ears on the arbor will engage in the slot across the socket to turn the arbor during cutting
But how do I hold the tailstock end? The slot in the R8 shank for the spindle locating pin rules out a fixed steady.
I need ideas!!!!!!!!!!!!!
Thanks
Ron
ronboult, proud to be a member of MetalworkingFun Forum since Aug 2013.