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Square Edge Jig SE-76
Positioning of Machine
Design
See illustration on the next page. The jig comprises an upper base with a lower clamp and
two locking knobs for fixing the tool. The jig slides on the Universal Support on nylon bush-
ings across the grindstone. The edge angle is set with the Micro Adjust (4) on the Universal
Support (5).
There are two safety stops to prevent the tool from slipping off the stone when grinding.
One inner stop (2) to be positioned according to the width of the tool and one outer stop (3)
mounted on the end of the Universal Support.
The jig lines up the chisel to its upper flat side, making it easier to mount it correctly (not
twisted). Conventional jigs need manual alignment.
The lower clamp has a ridge in the centre enabling shorter tools with a tapered shank to be
firmly mounted, e.g. Japanese chisels. The upper base, which lines up the tool, is designed
so the clamping pressure is distributed to the ends and the tool mounts firmly without a
heavy tightening of the knobs.
The jig is designed for grinding towards the edge with the Universal Support placed vertically
and for honing away from the edge with the Universal Support placed horizontally.
120
Grinding direction:
Towards the edge.
PLANE IRONS
Max width 76 mm (3")
WOOD CHISELS
Honing direction:
Away from the edge.
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Summary of Contents for tormek SE-76
- Page 1 Square Edge Jig SE-76 PLANE IRONS Max width 76 mm (3") WOOD CHISELS Positioning of Machine Grinding direction: Honing direction: Towards the edge. Away from the edge. Design See illustration on the next page. The jig comprises an upper base with a lower clamp and two locking knobs for fixing the tool.
- Page 2 The jig automatically aligns the The clamping pressure from the tool to its upper flat side, which ridge in the centre is distributed is parallel to the edge. to the edges for the firm mount- ing even of tapered chisels. Safety stops.
- Page 3 Preparations Before you start grinding, If necessary, true it with check that the stone is true the Truing Tool TT-50 so by letting the Universal the surface is flat and parallel Support touch the stone. to the Universal Support. Flatten and Hone the Back of the Tools To achieve a really sharp and durable edge, both of the two converging surfaces must be smooth.
- Page 4 The height of the Universal Support determines the edge angle. This can be set in two ways. Either you can exactly replicate the existing angle using the Marker Method or you set to a new angle according to your choice using the Tormek AngleMaster WM-200. Sharpening an existing edge angle Colour the bevel with a marker.
- Page 5 Sharpening Move the tool sideways to use the whole width of the stone. Sharpen until a burr develops Do not move more than approx. 2 mm ( 5/64 ") outside the stone. on the entire bevel. You can Press with your fingers close to the edge for best control. feel it with your finger.
- Page 6 Compensate for this effect by spending more time sharpen- ing on the sides. Important Like for all Tormek jigs (except for the planer/jointer blade and moulding knife attachments) you should keep in mind that there is no grind- ing depth stop.
- Page 7 Finer Surface with the Stone Grader You can refine the tool surface by grading the grindstone with the fine side of the Tormek Stone Grader SP-650. Pressing the Stone Grader firmly towards the grindstone refines the grindstone surface so it acts like a 1000 grit stone. If you are replicating an established edge angle, you can go directly to this finer surface of the stone.
- Page 8 Since the grinding and honing of the entire bevel with the Tormek method is an easy and fast operation, there is no need for a secondary bevel. With a single bevel, you can set exactly the angle that you want and easily maintain it at every grinding and honing.
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