14
11.2
Turning Tools
If possible, select only quality, high-speed steel
turning tools. High-speed steel tools hold an edge
and last longer than ordinary carbon steel. As one
becomes proficient in turning, a variety of specialty
tools for specific applications can be acquired. The
following tools provide the basics for most
woodturning projects (see Figure 18):
Figure 18
Basic Turning Tools
Skews
– 1-1/2" and 1" or 1-1/4", used to make
finishing cuts and details.
Large Roughing Gouge
– 1" to 1-1/4", used to
eliminate waste wood.
Spindle Gouges
– 1/4", 3/8", 1/2", used to turn
beads, coves and other details.
Deep Fluted Bowl Gouge
– 1/4", 3/8" and 1/2",
used for turning bowls & plates.
Square Scraper (Bedan)
– 3/8” or 1/2", used to
create square shoulders.
Large Round Nose (Domed) Scraper
– 1-1/2",
used to reduce ridges on interior of bowls, round
edges of bowls, etc.
Parting Tool
- 1/8", used for scraping, making a
cut-off, or to set diameters for sizing.
For safety and best performance,
keep tools sharp
.
If a tool stops cutting or requires excessive
pressure to make a cut, it needs to be sharpened.
A number of brand name sharpening jigs and
fixtures are available; however, a woodturner
should learn to sharpen tools freehand.
For best results, use a slow speed grinder (1800
rpm) fitted with a 60-grit aluminum oxide wheel (for
shaping) and a 100-grit alum. oxide wheel (for final
sharpening and touchup). The grinder should be
located near your lathe and at a comfortable
height. A diamond dresser will keep the wheels
true and eliminate glazing.
Never allow the tool to rest in one place on the
wheel, keep it moving and use a light touch.
Carbon steel tools can overheat easily and should
be cooled frequently. If the edge turns blue, it has
lost its temper and should be ground past the blue
area. High-speed steel tools are not as likely to
overheat, but can be damaged if allowed to get red
hot. High-speed steel tools should not be
quenched for cooling. Honing with a diamond lap
or slipstone will save trips to the grinder and keep
the edge fresh.
11.3
Spindle Turning
Spindle turning takes place between the centers of
the lathe. It requires a spur or drive center in the
headstock, and a live or dead center in the
tailstock. A cup center rather than a cone center in
the tailstock will often reduce the risk of splitting the
stock.
Figure 19 shows the basic profile shapes in spindle
turning.
Figure 19
11.3.1
Stock Selection
Stock for spindles should be straight grained and
free of checks, cracks, knots and other defects. It
should be cut 1/8" to 1/4" larger than the finished
diameter and may require additional length so the
ends can be removed later. Larger stock should
have the corners removed to produce an octagon
making the piece easier to rough down to a
cylinder.
1. With a combination square, or plastic center
finder for round stock, locate and mark center
on each end of the workpiece. Accuracy is not
critical on full rounds but extremely important
on stock where square sections are to remain.
Summary of Contents for JWL-1015
Page 8: ...8 6 1 Hole pattern JWL 1015 1015VS lathes Figure 2 Clearance hole spacing for mounting lathe ...
Page 26: ...26 16 2 1 JWL 1015VS Lathe Exploded View ...
Page 29: ...29 17 0 Electrical Connections JWL 1015 JWL 1015VS variable speed model LED Light MAX ...
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Page 32: ...32 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...