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Watch this video and learn how to use the different positions. First, it shows sharpening square and skew chisels with the closed seat, and from 1:50 changing to the open seat for sharpening woodcarving chisels, wide woodcarving gouges, roughing gouges and parting tools.
This patented jig consists of a housing (1) and two interchangeable seats – one closed, (2) and one open, (3). The seats can swivel and be locked with the screw (6) at any skew angle between 0° and 45°. Skew chisels have symmetrical bevels on both sides. With this jig you mount the tool only once for grinding both the bevels. By turning the jig upside down, you can grind both of the bevels symmetrically.
The closed seat is for skew chisels. The tool is fixed with the side screw (4). The top screw (5) is not used.
The open seat is designed for tools which have the edge square across the shank. The tool is fixed with the top screw in the housing (5). As the seat can be turned, it can also be used for short skew chisels.
To see all patents visit tormek.com/patents
It is not without reason this jig is named "Multi Jig". It consists of a housing and two interchangeable seats for different types of tools, the open seat and the closed seat, which really makes it two jigs in one.
With SVS-50 you can sharpen square and skew turning chisels with straight or curved edges as well as parting tools, roughing gouges and gouges and chisels for woodcarving.
The closed seat has been developed for the precision sharpening of square and skew chisels for woodturning and woodcarving. Since the chisel is mounted in the centre of the seat, you only need to mount the tool once for grinding both bevels. When one side is ready, you simply turn the jig upside down and sharpen the other side until they are symmetrical.
Thanks to a unique and patented design, the jig also copes with oval section skews. The jig aligns the skew so that it is parallel with the universal support and you can sharpen both straight and curved edges. Max width of skews 32 mm (1¼").
The open seat, where the tool is fixed with a top screw, is used for tools which have the edge ground square across the shank, such as parting and beading tools, roughing gouges and wide carving gouges up to 50 mm (2") wide. The seats are mounted with a bottom screw, which also enable you to choose the skew angle.
For sharpening woodturning tools, we highly recommend you to use the SVS-50 jig together with the TTS-100 Turning Tool Setter. That way you can exactly replicate the shape and edge angle over and over again. Also, it will save you time since you only remove a minimum amount of steel at each sharpening.
Wet grinding on your Tormek gives you a very sharp edge that will last much longer. A really sharp gouge cuts easily and you will notice it gives the wood a very fine surface, often there is no need for sanding.
For woodturning tools, if you have a new tool and need to remove a lot of steel in order to change a profile, you can with the mounting set BGM-100 also use SVS-50 on a bench grinder. But here you need to pay attention so that you do not burn the edge. After the initial rough shaping on a bench grinder, keep the tool in the jig and move over to the Tormek machine to give the edge the final sharpness.