Sanding the edge of 3/4 MDF
Hoping this is a good place to ask - I have to make an oval sign out
of 3/4 MDF. I am using a jig saw to cut the basic shape. My question is what is the best tool to sand to the finish shape? If I use a belt sander or orbital sander, I can get the shape, but the edges are not perfectly 90 degrees to the surface. Is there a tool that I could use ( or a jig for a tool) that would finish the edge to a 90 degree angle? |
Sanding the edge of 3/4 MDF
This is what disc sanders are for. I'm talking about the stationary machines
with a table. One trick you can do is jury-rig the same thing using your belt sander. Clamp it on its side to a workbench. Then clamp a piece of plywood to the table. Make sure it is 90° to the belt. Turn the belt sander on and use both hands to move your oval sign against the sander. Dan "designbysue" wrote in message m... Hoping this is a good place to ask - I have to make an oval sign out of 3/4 MDF. I am using a jig saw to cut the basic shape. My question is what is the best tool to sand to the finish shape? If I use a belt sander or orbital sander, I can get the shape, but the edges are not perfectly 90 degrees to the surface. Is there a tool that I could use ( or a jig for a tool) that would finish the edge to a 90 degree angle? |
Sanding the edge of 3/4 MDF
"designbysue" wrote in message m... Hoping this is a good place to ask - I have to make an oval sign out of 3/4 MDF. I am using a jig saw to cut the basic shape. My question is what is the best tool to sand to the finish shape? If I use a belt sander or orbital sander, I can get the shape, but the edges are not perfectly 90 degrees to the surface. Is there a tool that I could use ( or a jig for a tool) that would finish the edge to a 90 degree angle? rec. woodworking might be better. If you cut with a trammel point you should get pretty good circularity. A bandsaw with a jig would do better, as would a router. If you know someone with a good disk sander, a circle jig similar to the bandsaw jig also works. Does for me, anyway. |
Sanding the edge of 3/4 MDF
designbysue wrote:
Hoping this is a good place to ask - I have to make an oval sign out of 3/4 MDF. I am using a jig saw to cut the basic shape. My question is what is the best tool to sand to the finish shape? If I use a belt sander or orbital sander, I can get the shape, but the edges are not perfectly 90 degrees to the surface. Is there a tool that I could use ( or a jig for a tool) that would finish the edge to a 90 degree angle? In addition to a stationary disk sander, you can also do this with a spindle sander or a sanding drum chucked in a drill press. ~Mark. |
Sanding the edge of 3/4 MDF
designbysue wrote: Hoping this is a good place to ask - I have to make an oval sign out of 3/4 MDF. I am using a jig saw to cut the basic shape. My question is what is the best tool to sand to the finish shape? If I use a belt sander or orbital sander, I can get the shape, but the edges are not perfectly 90 degrees to the surface. Is there a tool that I could use ( or a jig for a tool) that would finish the edge to a 90 degree angle? i would suggest using a drum sander, you simply put in a pillar drill and sand away. Good luck |
Sanding the edge of 3/4 MDF
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Sanding the edge of 3/4 MDF
Thank you for your responses. The piece is 5 feet by 3 feet so
working with the piece is very difficult, expecially with the small equipment I have. I used my belt sander manually and got a decent edge. |
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