Delta 43-355 Instruction Manual download pdf (Page 14)

SHAPING WITH COLLARS

AND STARTING PIN

When shaping with collars and starting pin, the following

rules must always be followed for good work and safety

in operation.

1. Collars MUST be smooth and free of all gum or

other substances.

2. The edge of the work to be shaped MUST be

smooth, as any irregularity in the surface which rides

against the collar will be duplicated on the moulded

surface.

3. A portion of the edge of the work MUST remain un-

touched by the cutters in order that the collar will have

sufficient bearing surface. Fig. 39 illustrates the wrong

way for the operation while Fig. 40 illustrates the right

way.

4. The work MUST be fairly heavy in proportion to the

cut being made as shown in Fig. 41. Under NO cir-

cumstances should short work of light body be shaped

against the collars as shown in Fig. 42.

5. When shaping with collars and starting pin, the Safe

Guard Il spindle guard, supplied with your machine,

should always be used.

Fig. 39

Fig. 40

Fig. 41

Fig. 42

POSITION OF COLLARS

1. The collars may be used in any of the following

positions: above, below or between two cutters.

2. When the collar is used below the cutter, as shown

in Fig. 43, the progress of the cut can be observed at all

times. However, any accidental lifting of the work will

gouge the wood and ruin the workpiece.

3. When the collar is used above the cutter as shown

in Fig. 44, the cut cannot be seen, yet this method offers

some advantage in that the cut is not affected by slight

variations in the thickness of the stock. Also accidental

lifting of the work will not gouge the workpiece. Simply

correct the mistake by repeating the operation.

4. The collar between cutters method, as shown in Fig.

45, has both the advantages of the first two methods

and is frequently used where both edges of the work are

to be shaped.

Fig. 43

Fig. 44

Fig. 45

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Delta 43-355 Instruction Manual Page 14

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