Routing Sinks with Park Saber

[John04]

Just got our Saber up and running last week from Park. Haven't done much routing, maybe a dozen sinks, and have already went through two tool holders. When routing oval sinks, two different incremental tips have come free from the tool holder. When we lifted the spindle up, the threads on both the holder and the incremental bit are toast. Anyone run into this issue or know more about how these bits are supposed to be run? Are machine settings and set at 1/8in passes. We had terminator bit come out somewhere around 6-10 ipm in quartz and tonight we had a Helix bit fall out around 16ipm. What am I missing?? The Helix bit sounded great all day while it was running. Did not think I was pushing it too hard at all, but then again I don't know much about these bits. Havent done any fingerbit or incremental routing before. Any help is greatly appreciated.

[Chris@VTS]

Try some thread locker on the incremental tip ( blue), pay attention to direction your milling, and possibly reduce your down stroke on Z per pass. We use 2mm. CB

[John04]

Great point Chris. I failed to mention the bit was running bi directional. Is that not good for these bits?

[Camzl1]

Bi directional is not recommended for incremental cutting. Spiral it all the way to the finish in one direction. In my opinion though, and we have a customer doing this in Tennessee, Get a left handed core drill and then use a standard left handed fingergit in two passes. This is a lot faster. It will not be the cleanest edge, but faster. If these sinks are going to the cnc afterwards then the above mentioned will not be a problem. If you are doing them by hand then the incremental bits will produce a much cleaner edge. Our customer added a 3/4 brazed vacum clean up bit to the mix for the ones that went to his hand fabricators.

[Paconianphysics]

I suspect the bi-directional cutting with the millbit is alternately tightening and loosening the millbit. Not to mention it probably screws up the cutting diamonds. If the bit spins clockwise only mill in a clockwise direction. And vice versa for counterclockwise spin. Our 5-axis runs clockwise with a 1/16th cutting pass incremental drop.

[deepwater]

If yours are reverse thread like the ones on my Denver keep the working direction going clockwise.

[Alex DiPietro]

I would get different tool holders. Maybe the threads are a little big. We cut sinks for over two years on the saw before we had a router... Never had a problem. And we cut every which way, spiral, zig zag, one way, plunge etc. We had twisted a bit off the threads before but never had one come loose.

[t-mobile]

Imo its the Bi directional cutting. The thread locker also helps tremendously. We run clockwise with 1/16th drops per pass. we also do tabs on all sinks that are fully cut with the bit to prevent the cutout form moving which will shear a bit or tool adapter quick.

[Rtewell]

We run the Diamex cyclone 7 segment finger bit, we run 2 passes taking off .750 per pass at 20ipm. This is a game changer with this machine. The incremental router bit that came with he machine is not efficient at all. With the cyclone, the saber is just as fast as our water jets. If you are using this bit just make sure if you are cutting out a sink cut out it doesn't stop on a corner it will jam. Also you need to secure the piece down, even a full slab. We normally do the router first and leave the blocks up and fasten the other 2 sides with wood.
Make sure you order the left hand thread version as it comes it both.

Ryan
Classic Rock Fabrication
Harrisburg, Pa

[Matt Kraft]

We run the Diamex cyclone 7 segment finger bit, we run 2 passes taking off .750 per pass at 20ipm. This is a game changer with this machine. The incremental router bit that came with he machine is not efficient at all. With the cyclone, the saber is just as fast as our water jets. If you are using this bit just make sure if you are cutting out a sink cut out it doesn't stop on a corner it will jam. Also you need to secure the piece down, even a full slab. We normally do the router first and leave the blocks up and fasten the other 2 sides with wood.
Make sure you order the left hand thread version as it comes it both.

Ryan
Classic Rock Fabrication
Harrisburg, Pa
[

Ryan, who are you buying this bit from?

[colin]

I asked Matt Zinc with Park about this and he said it doesnt sound like a good idea to run it in one pass like that, it might be too much stress on some components. For what its worth. Mr Kraft, if you or anyone else is doing this or testing it Id love to hear that more people are doing it or similar. We are getting our new Saber/Pathfinder at the end of March.

[Matt Kraft]

I asked Matt Zinc with Park about this and he said it doesnt sound like a good idea to run it in one pass like that, it might be too much stress on some components. For what its worth. Mr Kraft, if you or anyone else is doing this or testing it Id love to hear that more people are doing it or similar. We are getting our new Saber/Pathfinder at the end of March.
[

Congrats Colin, you'll love it.

We aren't doing anything besides running incrementals now. He said 2 passes, not one. Maybe I'll discuss with Darren in Vegas.

[todd.johnson]

Matt,
Please give DJ a call at Ace Tile Inc in Hawaii. He has been using the Saber for a while and will have some good lessons learned as well. 808-371-0555. He also uses the Scorpion dual segment finger bit with reverse thread.
I am sending you one free to try......enjoy.

[Classicrockfab]

We buy the bit through granquartz. Reveres thread 1/2 gas FBRT 158