Sean P. Posted September 22, 2020 Report Share Posted September 22, 2020 I have a client looking to have a sting ray edge profile on a round table top. Any tips on how to rout this? I'm guessing it is just a chamfer bit on the bottom and a round-over bit on the top, but I have to figure out how to rout both since once wont have any edge for the bearing the ride on. Haven't been able to find any information besides this picture. Thanks, Sean Quote Link to comment Share on other sites More sharing options...
RichardA Posted September 22, 2020 Report Share Posted September 22, 2020 Do it on a router table. Do the roundover first, then use the fence as your bearing for the chamfer. 2 Quote Link to comment Share on other sites More sharing options...
rainjer Posted September 22, 2020 Report Share Posted September 22, 2020 I agree. You may have use a block plane or profile sander to do the transition between the 2 cuts. 1 Quote Link to comment Share on other sites More sharing options...
pkinneb Posted September 22, 2020 Report Share Posted September 22, 2020 I've done it like @RichardA advised and then sanded it smooth. 1 Quote Link to comment Share on other sites More sharing options...
Chestnut Posted September 22, 2020 Report Share Posted September 22, 2020 TO do under bevels i use my track saw. I just test and make sure the track is spaced over the same distance every time. Setting a square to the amount the track needs to overhang is an easy way to make everything consistent. I'd do the round over first with a bearing guided bit. Hand sand to feather everything out. Quote Link to comment Share on other sites More sharing options...
RichardA Posted September 22, 2020 Report Share Posted September 22, 2020 1 hour ago, Chestnut said: TO do under bevels i use my track saw. I just test and make sure the track is spaced over the same distance every time. Setting a square to the amount the track needs to overhang is an easy way to make everything consistent. I'd do the round over first with a bearing guided bit. Hand sand to feather everything out. Nut, that works well with straight cuts, but this case is a round table top. Quote Link to comment Share on other sites More sharing options...
gee-dub Posted September 22, 2020 Report Share Posted September 22, 2020 When I route a profile on a rounded edge I make up a throw-away fence with a matching profile to keep the material well controlled and give me the smoothest cut I can get. This one has a concave curve and a couple of stop blocks since the hand grip profile is a stopped cut. Yours would just be a pie-slice negative for as much of a circle as you see fit to offer control. The fence will assure that you can only move away from the bit. This makes it easy to start and stop doping the profile in sections that slightly overlap. Another option is a circle jig either riding the table top or supporting it for the router table. This one supports the work and uses a center pin to guide the material. I would prefer this for a large chamfer more than a trammel type circle jig. 2 Quote Link to comment Share on other sites More sharing options...
Chestnut Posted September 23, 2020 Report Share Posted September 23, 2020 15 hours ago, RichardA said: Nut, that works well with straight cuts, but this case is a round table top. ... i missed the round table part. Quote Link to comment Share on other sites More sharing options...
Popular Post RichardA Posted September 23, 2020 Popular Post Report Share Posted September 23, 2020 3 minutes ago, Chestnut said: ... i missed the round table part. No problem, at my age I miss a lot, especially my youth. 3 Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted September 23, 2020 Report Share Posted September 23, 2020 If a large enough chamfer bit isn't handy, that part could also be done with a tablesaw or bandsaw. Tablesaw would be difficult to make the chamfer without coving it a bit, though. Roundover the top edge first, then use a fence to guide the saw cut. Embedded sacrificial fence, or L-fence, in the TS case. Quote Link to comment Share on other sites More sharing options...
BillyJack Posted September 23, 2020 Report Share Posted September 23, 2020 We use a shaper at work for the angle but use a ROS for rounding it out. No need for two router cuts... I think it was 45 derees at the shop on a 2" thick top.. Quote Link to comment Share on other sites More sharing options...
Sean P. Posted September 24, 2020 Author Report Share Posted September 24, 2020 Thanks everyone for the advice. I think I am going to try using a circle jig at the router table and let you know how it goes. Quote Link to comment Share on other sites More sharing options...
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