From Trees to Turning Blanks

Segmented woodturning — is turning a workpiece composed of multiple glued together pieces. Many segmented turners enjoy the freedom that comes from assembling pieces together. This process allows them to combine different types of woods with contrasting colors to create striking patterns in the finished piece. Furthermore, segmented turners can create pieces larger than the size of the blanks they can purchase or cut from a log.

In addition to the enjoyment and challenges of turning, segmented woodturners also enjoy the challenging aspects of creating designs, and building jigs and fixtures to accurately cut and assemble the individual pieces together. Creating tight, seamless joints requires extreme precision and persistence and frequently requires innovative methods of assembling the pieces to get precise alignments. With segmented turning, the size, design, and wood selection are limited only by your imagination, skill, and patience.

Following are some helpful tips for segmented woodturning. In general, finding wood for turning knowledge grain in rings constructed from segments runs horizontally and the individual pieces are glued end to end. On the other hand, the grain in staves runs vertically, and woodturners glue the individual pieces edge to edge. The segment length A is the outside length of the segment. The segment width B is the width of the segment.

The ring thickness C is the final thickness of the vessel. Finally, the outside diameter D is the measurement from one outside edge of the vessel to the other outside edge passing through the center. For example, in the plan below the width of the segments for Ring 5 could be smaller than the width of the segments for Ring 7.

If given the desired number of segments and the segment length, you should know how to computer the diameter.

When computing the compound cuts for the staves on finding wood for turning knowledge segmented piece, the following formulas or charts can be very helpful. To make it easier, the image below finding wood for turning knowledge the calculated miter and tilt cuts for creating vessels with 4, 6, 8, 10, and 12 staves. Chair legs frequently include a splay angle. For example on many chairs, the legs splay out.

PDF version. For example, assume you want to create a piece with 8 staves as shown below with an outward tilt angle of 10 degrees.

By looking at the table above, the miter cut X would be set to 4. For example, if a ring contains 12 segments, many woodturners will glue segments finding wood for turning knowledge and segments together. Once these two halves are dried, lightly sand the surface on the two matching halves. By assembling the segments finding wood for turning knowledge two half circles, you only ever have to worry about 2 joints fitting perfectly.

On the other hand, if you wished to glue all 12 segments at once, then all 12 joints would finding wood for turning knowledge to match perfectly to ensure a tight fit. By assembling the segments all at once, there exists more opportunities for gaps and misalignments in the joints between the pieces. To minimize base failures, many turners will create a floating base — especially on larger segmented pieces.

You can construct a floating base design by using a half-mortise joint. A solid disc that fits in this joint has a diameter, which is slightly less than the diameter of the half-mortise joint on the bottom ring.

This creates a floating base, which allows the wood to move, hence minimizing stresses on the piece. Other woodturners will try to minimize base failures by using quarter-sawn lumber. Quarter-sawn wood is more stable less likely to cup, twist, expand, or contract than plain-sawn lumber.

Still other segmented woodturners will keep the base as small as possible — preferably under 6 inches 15cm to minimize base failures. As shown below, the tailstock on your lathe can be used for clamping pressure when gluing segmented rings together.

See wood lathe for more tips on lathes. Your email address will not be published. Skip to content. Segments are typically glued end to end. Staves finding wood for turning knowledge typically glued edge to edge. Desired segmented piece 10 degree angle. Miter cut. Tilt cut. Leave a Reply Cancel reply Your email address will not be published.

INCLUDES 1 WOOD BLANK (several blanks are shown to indicate the range of color/grain to expect). A highly prized species, Macassar Ebony contains beautiful color in a hard to find exotic wood! These turning squares have been air drying for a year and contain residual moisture as of November Each wood blank may have a sapwood edge present. Wood turning blanks in stock ready to be shipped. Discover More About Turning Blanks: Turning Blanks Photos Live Turning Demonstrations Tour the Mill. Welcome to our Turning Blanks page. Here you will find various turning blanks that we have to offer. Click on . Aug 26,  · Tracks of hardwoods that have been logged are good places to find wood turning wood. Loggers are looking for the largest and straightest wood so they always discard irregular, “defective”, or flared parts of trees. These are left in large bone .

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