router side/round over help

larksp · 29th May 2007, 09:44 PM

i saw some ones pictures of some center speaker and it showed it was not done till after the box was made....

guess it was a router that did it and a type like roundover bit
i fort this would be easy done before it was to go on
guess a bullbaring one so it stayes even and easier

are they any different ways or tips or anything for doing things like this
picture is just so easier to know what i am going on about thanks

http://i21.photobucket.com/albums/b2...b/DSCN3828.jpg
or
http://home.triad.rr.com/leggio/imag.../P4270742a.jpg

and there loads other shapes

sploo · 29th May 2007, 10:20 PM

You can indeed use ball bearing guided roundover/radius (or chamfer, or even ogee bits), and I'd almost always do it after the box is made. Loads here: http://www.trendmachinery.co.uk/profinder.asp

If you have a router table, it's easy and safe to put the cabinet on the table surface, and run it along the bit (against the bearing).

Without a router table, you'll need to run the router along the cabinet. You should take special care to stop the router base tipping over the cabinet edge, and it's also a good idea to clamp some sacrificial material onto the end of the box (level with the surface you're cutting) so you cut a slightly longer roundover/chamfer. The reason for doing this is to stop the bit tearing out the edge of your cabinet as you run off the end.

BTW You can also make the front baffle just a little too large (i.e 1mm too big) and run a bearing guided trimming bit round the edges of the baffle once it's glued to the cabinet. This way the baffle is a perfect fit for the box (almost always better than what you could achieve trying to make the baffle the right size before glueing).

larksp · 29th May 2007, 10:44 PM

thanks and yer i have a table i will remember that as i fort not be able to do it for some reason once it is a box. yer i will have to buy a new flush straight edge one thats not as cheap one came in the set

o yer u know the shelf type edge the like a full rounded bit. as in this shape "" ) "" like that on some site was like bullnose is there another name for this

29th May 2007, 09:44 PM	#1
larksp diyAudio Member Join Date: Apr 2007	router side/round over help i saw some ones pictures of some center speaker and it showed it was not done till after the box was made.... guess it was a router that did it and a type like roundover bit i fort this would be easy done before it was to go on guess a bullbaring one so it stayes even and easier are they any different ways or tips or anything for doing things like this picture is just so easier to know what i am going on about thanks http://i21.photobucket.com/albums/b2...b/DSCN3828.jpg or http://home.triad.rr.com/leggio/imag.../P4270742a.jpg and there loads other shapes

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29th May 2007, 10:20 PM	#2
sploo diyAudio Member Join Date: Mar 2007	You can indeed use ball bearing guided roundover/radius (or chamfer, or even ogee bits), and I'd almost always do it after the box is made. Loads here: http://www.trendmachinery.co.uk/profinder.asp If you have a router table, it's easy and safe to put the cabinet on the table surface, and run it along the bit (against the bearing). Without a router table, you'll need to run the router along the cabinet. You should take special care to stop the router base tipping over the cabinet edge, and it's also a good idea to clamp some sacrificial material onto the end of the box (level with the surface you're cutting) so you cut a slightly longer roundover/chamfer. The reason for doing this is to stop the bit tearing out the edge of your cabinet as you run off the end. BTW You can also make the front baffle just a little too large (i.e 1mm too big) and run a bearing guided trimming bit round the edges of the baffle once it's glued to the cabinet. This way the baffle is a perfect fit for the box (almost always better than what you could achieve trying to make the baffle the right size before glueing).

29th May 2007, 10:44 PM	#3
larksp diyAudio Member Join Date: Apr 2007	thanks and yer i have a table i will remember that as i fort not be able to do it for some reason once it is a box. yer i will have to buy a new flush straight edge one thats not as cheap one came in the set o yer u know the shelf type edge the like a full rounded bit. as in this shape "" ) "" like that on some site was like bullnose is there another name for this

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