Derek Cohen
01-03-2023, 11:53 AM
The MFT build ended with a fence and rail ...
https://proxify.imagearchive.com/?image=http%3A%2F%2Fwww.inthewoodshop.com%2FPowere d%2520Tools%2520and%2520Machinery%2FBuildingMFT3_h tml_m415f6e33.jpg&hash=f57ae0063b259c7d64db8d7bd8fdd3d5
Of course, now we do not want to cut into the nice, pristine, virginal surface, do we? Since the track hinge positions the track for a repeatable saw cut, what is needed is a replaceable insert for a saw kerf. The plan was to make this with a sliding dovetail. This could be left loose and removable, yet be solidly attached.
Marking out where the insert will be fitted ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2F6tj5zztC%2FA.j pg&hash=baf54f3729cbb9c4b16e7f5e44a27df5
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FZT3bbS3L%2FB.j pg&hash=e613db624d4df35b19d18ddb4fd69da5
The track and saw are used to kerf the outside of the insert. This is 1/2" deep ..
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FQ83XVyJZ%2FC.j pg&hash=14c7ce2a3ea822b90a675fac3e14c08a
Remove the waste with a power router ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FtRRpNncr%2FD.j pg&hash=4ce845dfb964e0beb19e58f13a5154b3
... and level with a router plane ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FBSBJFBmL%2FE.j pg&hash=22ebf95929576e9b1becb61b10e04e25
I had made two inserts (one a spare), and these were doubled up to create an angle guide for a chisel. The dovetail was created this way ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FPhdXj0qm%2FF.j pg&hash=7bbe7690861b220153e791c8f0364a62
Insert installed ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FRCvVpDWL%2F1.j pg&hash=08a7a00e0e145198016494678e06a5e3
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FXjfY8bYv%2F2.j pg&hash=bae0d7b2d5db57a2d86d4a8ad26c0dc5
And, finally, a board was sawn using the track, leaving a fine kerf in the new insert ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2Fq0rR7z16%2F3.j pg&hash=07f2059e9a56a09a35335b9ee8ff0259
More build to come ...
Regards from Perth
Derek
https://proxify.imagearchive.com/?image=http%3A%2F%2Fwww.inthewoodshop.com%2FPowere d%2520Tools%2520and%2520Machinery%2FBuildingMFT3_h tml_m415f6e33.jpg&hash=f57ae0063b259c7d64db8d7bd8fdd3d5
Of course, now we do not want to cut into the nice, pristine, virginal surface, do we? Since the track hinge positions the track for a repeatable saw cut, what is needed is a replaceable insert for a saw kerf. The plan was to make this with a sliding dovetail. This could be left loose and removable, yet be solidly attached.
Marking out where the insert will be fitted ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2F6tj5zztC%2FA.j pg&hash=baf54f3729cbb9c4b16e7f5e44a27df5
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FZT3bbS3L%2FB.j pg&hash=e613db624d4df35b19d18ddb4fd69da5
The track and saw are used to kerf the outside of the insert. This is 1/2" deep ..
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FQ83XVyJZ%2FC.j pg&hash=14c7ce2a3ea822b90a675fac3e14c08a
Remove the waste with a power router ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FtRRpNncr%2FD.j pg&hash=4ce845dfb964e0beb19e58f13a5154b3
... and level with a router plane ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FBSBJFBmL%2FE.j pg&hash=22ebf95929576e9b1becb61b10e04e25
I had made two inserts (one a spare), and these were doubled up to create an angle guide for a chisel. The dovetail was created this way ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FPhdXj0qm%2FF.j pg&hash=7bbe7690861b220153e791c8f0364a62
Insert installed ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FRCvVpDWL%2F1.j pg&hash=08a7a00e0e145198016494678e06a5e3
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2FXjfY8bYv%2F2.j pg&hash=bae0d7b2d5db57a2d86d4a8ad26c0dc5
And, finally, a board was sawn using the track, leaving a fine kerf in the new insert ...
https://proxify.imagearchive.com/?image=https%3A%2F%2Fi.postimg.cc%2Fq0rR7z16%2F3.j pg&hash=07f2059e9a56a09a35335b9ee8ff0259
More build to come ...
Regards from Perth
Derek