Sealey SM1302 Manuel d'utilisateur télécharger pdf (Page 6)

5.3. CHOOSING THE RIGHT BLADE AND SPEED

The scroll saw accepts a wide variety of blade widths and thicknesses for cutting wood and other fibrous materials. The blade width

and thickness and the number of teeth per inch or centimetre are determined by the type of material and the size of the radius being

cut.

Note: As a general rule, always select narrow blades for intricate curve cutting and wide blades for straight and large curve cutting.

5.4. BLADE INFORMATION

Scroll saw blades wear out and must be replaced frequently for optimum cutting results. Scroll saw blades generally become dull after

1/2 hour to 2 hours of cutting, depending on the type of material and speed of operation.

When cutting wood, best results are achieved with pieces less than one inch (25mm) thick.

When cutting wood thicker than one inch (25mm), the user must guide the workpiece very

slowly into the blade and take extra care not to bend or twist the blade while cutting.

5.5. SPEED SETTING. See Fig.10

5.5.1. By turning the speed selector, the saws speed may be adjusted from 400 to 1,600SPM

(Strokes Per Minute). To increase the strokes per minute, turn the speed selector clockwise.

5.5.2. To decrease the strokes per minute, turn the speed selector anticlockwise.

Fig.10

A. TO INCREASE B. TO DECREASE

5.6. SCROLL CUTTING

In general, scroll cutting consists in following the pattern lines by pushing and turning the

workpiece at the same time. Once you have started a cut, do not try to turn the workpiece

without pushing it - the workpiece could bind or twist the blade.

 WARNING! To prevent serious personal injury, never leave the saw unattended until the

blade has come to a complete stop.

5.7. INTERIOR SCROLL CUTTING See Fig.11

5.7.1. One feature of a scroll saw is that it can be used to make scroll cuts within a workpiece

without breaking or cutting through the edge or perimeter of the workpiece.

5.7.2. To make interior cuts in the workpiece, remove the scroll saw blade as explained in the

section on Installing Blades.

5.7.3. Drill a 1/4in. (6mm) hole in the workpiece.

5.7.4. Place the workpiece on the saw table with the drilled hole over the hole in the table.

5.7.5. Fit the blade, feeding it through the hole in the workpiece; then adjust the drop foot and

blade tension.

5.7.6. When finished making the interior scroll cut, simply remove the blade from the blade

holders as described in the section on Installing Blades, and remove the workpiece

from the saw table.

Fig.11

A. DRILL HOLE C. WORKPIECE

B. INTERIOR CUT

5.8. STACK CUTTING. See Fig.12

Once you have become well acquainted with your saw through practice and experience,

you may wish to try stack cutting.

Stack cutting may be used when several identical shapes need to be cut. Several

workpieces may be stacked one on top of the other and secured to each other before

cutting. Pieces of wood may be joined together by placing double sided tape between each

piece or by wrapping tape around the corners or ends of the stacked wood. The stacked

pieces must be attached to each other in such a way that they can be handled on the table

as a single workpiece.

 WARNING! To avoid serious personal injury, do not cut several workpieces at a time

unless they are properly attached to each other.

Fig.12

A. WOOD PIECES B. TAPE

Fig.10

Fig.11

Fig.12

 WARNING! When replacing parts, use only authorised replacement parts. The use

of any other spare parts may create a hazard or damage your saw.

6.1. GENERAL MAINTENANCE

6.1.1. Keep your scroll saw clean.

6.1.2. Do not allow pitch to accumulate on the saw table. Clean it with a suitable cleaner.

6.2. ARM BEARINGS. See Fig.13

Lubricate the arm bearings after the first 10 hours of use. Oil them ever 50 hours

of use or whenever there is a squeak coming from the bearings.

6.2.1. Carefully place the saw on its side as shown in Fig.15. Remove the rubber cap

from the upper and the lower arm of the saw.

6.2.2. Squirt a few drops of oil on the end of the shaft and arm bearings. Leave the saw in

this position overnight to let the oil soak in.

Note: Lubricate the bearings on the other side of the saw in the same manner.

 WARNING! If the power cord is worn, cut, or damaged in any way, have it replaced

immediately by a qualified service technician. Failure to do so could result in serious

personal injury.

Fig.13

A. ARM BEARINGS

Fig.13

6. MAINTENANCE

SM1302 Issue: 3(SP) - 14/02/14

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Sealey SM1302 Manuel d'utilisateur Page 6

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