Motorsports-X
Hot Rolled
- Joined
- Nov 22, 2014
- Location
- Texas
Hey folks. I have a new haas vf5 that i'm running with a 40 taper spindle. Its not used 24-7. I started doing some feed milling last week and that's probably the first time it's really made a "heavy" cut. Spindle % was at 50-60% for most of the cut. This cut however was highly interrupted. Might as well of been cutting swiss cheese. I'd didnt sound very healthy but it wasn't breaking the inserts so I let it go. I pulled the tool out to change the inserts and noticed heavy fretting at the bottom of the tool taper. Its 360 degrees around the tool. I am using high torque jm pull studs. There is also significant copper coloring on the spindle taper itself.
What should I do about this? The holder is a 1.25" a schunk hydro with practically no time on it and the spindle has less than 500 hours. I don't really want to throw out this brand new hydraulic holder but I don't want to damage the spindle or my other holders either. What's the chances here I've already hurt the spindle? Maybe I should just check for bellmouthing?
.ill try to get pictures tomorrow.
Also... there was a small amount of fretting already on the tool from the previous users. I saw it a few weeks ago. None of the previous users every really ran it like a feed mill. (Meaning that basically just had a super long 1.25" end mill beating up the holder and spindle running slow and heavy) instead of putting axial load on the column line it's supposed too.
What should I do about this? The holder is a 1.25" a schunk hydro with practically no time on it and the spindle has less than 500 hours. I don't really want to throw out this brand new hydraulic holder but I don't want to damage the spindle or my other holders either. What's the chances here I've already hurt the spindle? Maybe I should just check for bellmouthing?
.ill try to get pictures tomorrow.
Also... there was a small amount of fretting already on the tool from the previous users. I saw it a few weeks ago. None of the previous users every really ran it like a feed mill. (Meaning that basically just had a super long 1.25" end mill beating up the holder and spindle running slow and heavy) instead of putting axial load on the column line it's supposed too.