uneven plunge lines with file guide

ashwinearl

ashwinearl

Joined
Nov 9, 2006
Messages
537
I'm having problems with even plunge lines using my new file guide. One side is not going as far down towards the carbide face as the other. I tried flipping the belt around, but am thinking that the plunge is already too deep to move it farther down towards the face.

This is on hardened 8670 steel. I have had the same issue grinding with annealed too. Belt is VSM XK885Y 50Grit, platen is A2 hardened with bevel.

This picture shows it going to the face: tang held with left hand, blade held with right hand (I am right hand dominant)
6OMrWPh.jpg


This picture is the tang held with right and and left hand pushing on the platen and is the side with the plunge not going all the way to the face of the guide
N57fJ1X.jpg


Any suggestions would be appreciate.

---EDIT---
I just tried holding the carbide face against the platen edge and moving the blade right into the platen as opposed to starting on the flat and moving across. I am starting to remove some material right up to the face.

I am still not sure why during normal grinding, material isn't being removed up to the face.
AOHgsKg.jpg
 
Last edited:
I like to grind the bevel with 50 grit but not do the plunge.

When ready I switch to a hermes 100 grit or Gator A100 (180) grit and then work the plunge. It gives me more consistent results
 
The second picture you can see a noticeable divot where you dug that side in. Grinding is all about even pressure. Also make sure your belt is tracked the same on both side
 
Is something in the way on that side of the platen? Either the platen itself or part of the arm? I've had this problem on mine and had to adjust my platen to fix it.
 
Are you sure your platen is square to the wheels, and it should also be proud of the wheels by 1/16" or so.
 
mike-E said:
Are you sure your platen is square to the wheels, and it should also be proud of the wheels by 1/16" or so.
Click to expand...

Do you mean "wheels"? OR perhaps "belt"? As long as the (gators work good) belt is tracked over to perfect edge, or even better for me is hanging off the edge of platen a tad (the more hanging off the larger the radius of plunge line - 1/8" to 1/4" or so). Grind one plunge, then track belt to other side of platen same amount for other plunge line.
 
ashwinearl ashwinearl , I've had the same issue with the plunge guide setup like you're showing... I noticed that my platen was not perfectly parallel with the belt. I think this was the bulk of my issues, but I haven't had a chance to try it again after squaring the platen. If you figure anything unique out, please let us know! I've seen a lot of people use the plunge guides and was excited to try it. I left the grinder frustrated that day.
 
Take a square or a 123 block and place it on your work rest and get it square .
 
Ken H> said:
Do you mean "wheels"? OR perhaps "belt"? As long as the (gators work good) belt is tracked over to perfect edge, or even better for me is hanging off the edge of platen a tad (the more hanging off the larger the radius of plunge line - 1/8" to 1/4" or so). Grind one plunge, then track belt to other side of platen same amount for other plunge line.
Click to expand...
No, I mean if the entire platen face is not flat across both wheels. One or both wheels can be sitting crooked or the platen mount brackets can be bent/not square. Either scenario can put slack/less tension on one edge of the belt.
 
You must log in or register to reply here.
Back
Top