PEU
Gaucho Knifemaker
- Joined
- Aug 6, 2006
- Messages
- 1,164
I recently purchased a benchtop bandsaw, its a bit bigger than the portabands, my plan is to use it to cut knife profiles.
So I took measurements, did the CAD model of what was needed and ordered the bended sheets.
the CAD
This is the base I replaced
and with the blade removed everything looks as planed:
put a milled head allen screw to secure the table using an already there threaded hole
using a cutting disk did the channel for the blade
I wish I had a picture straight from the blade... I found that there is problem with this design that I did not anticipated, if you project the channel that allows the blade to be in place you will see that there is no room to the left, that would make cutting anything wider than about 1" impossible because it would hit the bandsaw arm.
Enter Plan B
Using and intermediate piece of aluminum I changed the 45 degree guides to be 90 degrees, this makes the blade to follow the natural path as it comes out of the pulleys, but more importantly allows for about 5" of clearance to the left
the allen screws you see there were the original attachment points of the blade guide.
Then I cut one of the legs of my original design and changed its angle from 90 to 135 deg allowing the top guide to be also in place, lowsy bend job, will make it better sooner than later...
And its nicely aligned and finished, the previous design table was discarded and ordered a new one, I already have it but ran out of time.
Hopefully I will finish it next week as time allows. One non obvious advantage of this new setup is that the blade follows a natural path, no 45 turns back and forth, this would make the blade last longer hopefully.
Pablo
So I took measurements, did the CAD model of what was needed and ordered the bended sheets.
the CAD
This is the base I replaced
and with the blade removed everything looks as planed:
put a milled head allen screw to secure the table using an already there threaded hole
using a cutting disk did the channel for the blade
I wish I had a picture straight from the blade... I found that there is problem with this design that I did not anticipated, if you project the channel that allows the blade to be in place you will see that there is no room to the left, that would make cutting anything wider than about 1" impossible because it would hit the bandsaw arm.
Enter Plan B
Using and intermediate piece of aluminum I changed the 45 degree guides to be 90 degrees, this makes the blade to follow the natural path as it comes out of the pulleys, but more importantly allows for about 5" of clearance to the left
the allen screws you see there were the original attachment points of the blade guide.
Then I cut one of the legs of my original design and changed its angle from 90 to 135 deg allowing the top guide to be also in place, lowsy bend job, will make it better sooner than later...
And its nicely aligned and finished, the previous design table was discarded and ordered a new one, I already have it but ran out of time.
Hopefully I will finish it next week as time allows. One non obvious advantage of this new setup is that the blade follows a natural path, no 45 turns back and forth, this would make the blade last longer hopefully.
Pablo
