I put
now. Excellent. Put Igaing on the tailstock. Works fine. On my G0704
-
Welcome back Guest! Did you know you can mentor other members here at H-M? If not, please check out our Relaunch of Hobby Machinist Mentoring Program!
My New Grizzly G0678 Knee Mill
- Thread starter DoogieB
- Start date
now. Excellent. Put Igaing on the tailstock. Works fine. On my G0704
I used DROPRO on my lathe 4 years ago. Love it. Put Igaging on tailstock. Works fine. # axis Igaging Absolute DRO on my G0704. Very satisfied with the accuracy.
On the new G0678 will put 3 Axis DROPro with Z on spindle. Can't see any need for stops when I have DRO.
On the new G0678 will put 3 Axis DROPro with Z on spindle. Can't see any need for stops when I have DRO.
You should get a lot of enjoyment from working with it.
- Joined
- Dec 31, 2013
- Messages
- 327
I've had some requests for some spindle pictures so I took a few while I had the drive belt off.
There's no spindle lock on this mill. You first insert your R8 tooling into the spindle and screw the drawbar into it until you catch enough threads, then you turn the nut down to draw the tooling tight into the spindle while holding the drawbar at the top like this:
To loosen the collet or remove the tooling, you just hold the drawbar from turning at the top and turn the nut the other way.
This works well enough, but when you have both hands tied-up with wrenches and the collet decides to immediate open-up when you release the pressure the chuck or whatever that is in the collet can end-up bouncing off the floor. That sucks. I've seen a couple of mods to add spindle lock to these machines and I might look into one if the current setup turns into a hassle.
By the way, you will see plenty of mentions in the manual for a 19mm wrench. For all intents and purposes, a 3/4" and a 19mm wrench are the same thing. According to Google 19mm = .748" I measured the almost cherry Craftsman wrenches in my main toolbox:
19mm Wrench - .753"
3/4" Wrench - .748"
Close enough. While I only have a few 19mm wrenches, I have plenty of 3/4" wrenches, enough to dedicate a few to this machine.
There's no spindle lock on this mill. You first insert your R8 tooling into the spindle and screw the drawbar into it until you catch enough threads, then you turn the nut down to draw the tooling tight into the spindle while holding the drawbar at the top like this:
To loosen the collet or remove the tooling, you just hold the drawbar from turning at the top and turn the nut the other way.
This works well enough, but when you have both hands tied-up with wrenches and the collet decides to immediate open-up when you release the pressure the chuck or whatever that is in the collet can end-up bouncing off the floor. That sucks. I've seen a couple of mods to add spindle lock to these machines and I might look into one if the current setup turns into a hassle.
By the way, you will see plenty of mentions in the manual for a 19mm wrench. For all intents and purposes, a 3/4" and a 19mm wrench are the same thing. According to Google 19mm = .748" I measured the almost cherry Craftsman wrenches in my main toolbox:
19mm Wrench - .753"
3/4" Wrench - .748"
Close enough. While I only have a few 19mm wrenches, I have plenty of 3/4" wrenches, enough to dedicate a few to this machine.
- Joined
- Jan 14, 2013
- Messages
- 290
When you install / use the power feed be very careful.
When you lower the table and traverse it to the left the PF will hit the green pan/shield.
Also if you move the table to the left and lower it the power feed will come down on top of the green pan/shield possibly hitting the gear on bottom of the power feed.
I did this on my G0730, dodging the bullet both times I decided to remove that problematic shield as it just became a catch all and a nuisance. My thinking is that it will be easier to sweep up chips than replace/repair a power feed.
Tomh
When you lower the table and traverse it to the left the PF will hit the green pan/shield.
Also if you move the table to the left and lower it the power feed will come down on top of the green pan/shield possibly hitting the gear on bottom of the power feed.
I did this on my G0730, dodging the bullet both times I decided to remove that problematic shield as it just became a catch all and a nuisance. My thinking is that it will be easier to sweep up chips than replace/repair a power feed.
Tomh
- Joined
- Dec 31, 2013
- Messages
- 327
Now that you mention it, I could see that being a problem as the green pan seems to be twice as tall compared to Dman1114's older mill.
Since I don't plan to run coolant I don't think I'll miss it. Thanks for mentioning this.
Similar threads
