Delta 46-756, 46-755X Smoothing a Cylinder, Using the Parting Tool, Squaring AN END

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SMOOTHING A CYLINDER

To smooth a cylinder, use a large skew chisel. This requires practice, but experience with this tool is very important. Place the cutting point near the center of chisel and high on the work (Fig. 38). Sometimes, in striv- ing for a certain position in relation to the work, the beginner will often overlook this all-important point. Raising the handle will increase the depth of cut while lowering the handle, of course, does the opposite. As with the gouge, the skew can be advanced in either direction. The center of the skew toward the heel does the actual cutting. The back portion of the grind or bevel supports the tool, while the handle-hand controls the depth of cut by rocking the chisel on this pivot point. Because of this, keep the skew bevel perfectly flat.

USING THE PARTING TOOL

The parting tool is perhaps the easiest turning chisel to handle. Simply push this scraping tool into the work Fig.

39.A somewhat better cutting action is obtained if the handle is held low. This tool is, in many cases, held with one hand while the other hand holds the calipers in the cutting groove. When parting tool cuts are deep, a clearance cut should be made alongside the first cut (Fig. 40) to prevent burning the tool point.

SQUARING AN END

The parting tool can be used to quickly square an end. Since the parting tool is a rough cutter, the cut can then be smoothed by the use the skew. However, the whole operation can be done with the skew. In using the skew, make your first cut a nicking cut with the toe of the skew (Fig. 41). A deep cut here could burn the chisel, so a clearance cut is made by inclining the skew away from the first cut and pushing the tool into the work. This procedure of side cut and clearance cut is continued as often as needed. NOTE: While the skew can be pushed into the wood in any direction, the cutting edge itself must be inclined a little away from this plane .If the full cutting edge of skew bears against the cut surface, the tool will have a tendency to run. See Fig. 42 for the proper way to make the cut. Push the chisel straight into the work, and incline the cutting edge away from the cut surface. Use only the extreme end of the toe for this cut. This important principle in skew handling will be used repeatedly in making shoulders, beads and vee cuts.

Fig. 38

Fig. 39

Fig. 40

Fig. 41

Fig. 42

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Contents Variable Speed Wood Lathe Safety Guidelines Definitions General Safety RulesFailure to Follow These Rules MAY Result in Serious Injury Additional Safety Rules for Wood Lathes Motor Specifications Power ConnectionsGrounding Instructions Extension Cords 150 250 volts, inclusiveUnpacking and Cleaning Functional DescriptionAssembly Attaching Lathe BED To PedestalsAttaching LEG Inserts Adjusting Clamps on the Headstock and Tailstock Adjusting Clamp on Tool RestTailstock Live Center Tool RestStarting and Stopping the Tool Locking Switch in the OFF PositionActivating the Spindle Changing ACCELERATION/DECELERATION Lathe Tools HOW to Turn SpindlesCentering the Work Mounting the Work Tool Rest PositionRoughing a Cylinder Position of HandsSmoothing a Cylinder Using the Parting ToolSquaring AN END Cutting a Shoulder Cutting Small BeadsLong Cuts VEE GroovesCove Cuts Square Sections Mounting Work to Faceplate Faceplate TurningOutboard Turning Maintenance Replacing Drive BeltLubrication Accessories Keep Machine CleanCanadian PORTER-CABLE Delta Service Centers