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Multi Jig SVS-50
Positioning of Machine
Design
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.
Grinding direction:
away from the edge.
TURNING TOOLS
Square and skew chisels
with straight or curved edges.
Max width 32 mm (1¼").
Parting tools
Beading tools
Roughing gouges
Max width 50 mm (2").
CARVING TOOLS
Gouges, 25–50 mm (1–2").
Straight shanked or tapered.
Square and skew chisels
95
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Summary of Contents for tormek SVS-50
- Page 1 Multi Jig SVS-50 TURNING TOOLS Square and skew chisels with straight or curved edges. Max width 32 mm (1¼"). Parting tools Beading tools Roughing gouges Max width 50 mm (2"). CARVING TOOLS Gouges, 25–50 mm (1–2"). Straight shanked or tapered.
- Page 2 The closed seat has been developed for the precision sharpening of turning skew chisels with an oval or square section and with curved or straight edges. Since the chisel is mounted in the centre of the seat, the bevels are ground to exactly the same shape. The turning skew chisel is mounted with a side screw (4).
- Page 3 The oval skew is done in the same way. You can do the initial shaping either directly on the Tormek machine or on a bench grinder using the Tormek Bench Grinder Mounting Set BGM-100 (page 29). When you need to remove a lot of steel, e.g.
- Page 4 Tip Like many professional turners you should put a curve on the edge. This is easily done with the SVS-50 jig (page 103). Shaping a skew with a curved edge is faster since the reduced area in contact with the wheel...
- Page 5 The rounding off can be done on your Tormek machine. A flat skew should have You can even polish the surfaces on the honing wheel for rounded off corners.
- Page 6 Settings Set the jig and lock the posi- Mount the tool. Lock with Check that the tool is aligned tion securely with the bottom the side screw (4). so the shape later on will be screw (6). exactly replicated. Set the Universal Support. You can work with the Univer- sal Support mounted either horizontally or vertically (page...
- Page 7 Shaping Lift the tool and then move it Apply forward pressure on the Turn the jig around and shape sideways during the sharpening. handle side to compensate for the other side. Apply forward Do not slide the tool. Press with the force of the wheel against pressure on the handle side.
- Page 8 Sharpening Once you have created the shape of the edge it is an easy task to quickly re-sharpen the tool. Do the three settings noted on the Profile Label carefully and you will obtain exactly the same shape every time even when the stone wears and decreases in diameter. Set the jig, JS.
- Page 9 Richard Raffan. He prefers a slightly curved edge, which is shown in full scale on the next page. To achieve this shape, you need to set the SVS-50 jig on 30° instead of 20° for the straight edge shape. Even here, you will need to remove quite a bit steel, which can take 10–20 minutes depending on the original shape.
- Page 10 Principle of creating the curve Pivoting the jig on the bevelled corner of the jig (A) creates the curve. Do not turn the jig more than the max. shown so the seat rests on the Universal Sup- port all the time. Shaping and sharpening Pivot the jig so you create the Watch that you do not grind too...
- Page 11 Customized Profiles You can also sharpen skews with different geometries other than the standard shapes pro- vided by the TTS-100 Setter. This is the way you can replicate an existing edge geometry on a skew with a straight edge. 1. Mount the tool with a 65 mm protrusion using the TTS-100 Setter. 2.
- Page 12 Parting and Beading Tools The Open Seat is Used Lock the seat with the bottom Mount the tool protruding (P) Set the edge angle by adjusting screw (6) in the straight position 75–100 mm (3–4") and lock it the Universal Support. When (0°).
- Page 13 Roughing Gouges The Open Seat is Used Lock the seat with the bottom Mount the gouge protruding (P) Set the edge angle by adjusting screw (6) in the straight position 75–100 mm (3–4") and lock it the Universal Support. When (0°).
- Page 14 The blunt edge now appears tool on the Universal Support edge with the fine side of the as a line of light, which is your placed horizontally and close Tormek Stone Grader, SP-650. guide on where to grind. to the wheel.
- Page 15 Mounting the tool and setting the jig Lock the seat with the bottom Mount the gouge protruding (P) Set the edge angle by adjusting screw (6) in the straight posi- 75–100 mm (3–4") and lock it the Universal Support. When tion, (0°).
- Page 16 Now sharpen again with a very Stop sharpening immediately light pressure. Check frequently when the line of light disap- to ensure that you do not over- pears, which is a sign that the grind. edge is sharp. Important It is very easy to be misled by the burr and mistake the burr for the line of light! Therefore you must remove the burr frequently during the finishing of the grinding operation, so you clearly can watch the progress of a gradually thinning the line of light.
- Page 17 Testing the Sharpness Keep the tool mounted in the jig and test the sharpness. Push the edge across the fibres in a piece of wood. The edge should cut easily and leave a smooth surface without tearing the fibres. Since the tool is still mounted in the jig and the Universal Support is left in its position, you can if necessary easily go back and continue the honing.
- Page 18 Square Carving Chisels The Open Seat is Used The min length of blade for this jig is approx 100 mm (4") at 25° edge angle. For shorter blades, down to 75 mm (3"), you use the SVS-38 jig (page 68). Lock the seat with the bottom Mount the chisel protruding (P) Set the edge angle by adjusting...
- Page 19 Carving Skew Chisels The Closed Seat is Used These tools are manufactured with a skew angle of approx. 25°. You can sharpen your chisel either with the existing skew angle or you can shape it to a new skew angle of your choice. For using this jig the chisel must have a certain min.
- Page 20 Setting the edge angle Set the edge angle by adjusting the Universal Support. When replicating an existing angle, use the Marker Method. When setting a new angle you can use the AngleMaster. Grinding Grind the first side. Press with your thumb close to the edge for the best control.
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