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Woodturning Terminology

By Staff

This month’s quiz will test your knowledge of some of the terminology unique to woodturning. Good luck and have fun!


Select the option that you think best answers the question.

Question 1
What does the term "indexing" refer to in woodturning?

Options

Keeping a record of finished projects
Controlling catches
Dividing a full rotation into a number of equal parts

Answer

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Indexing changes a lathe from a revolving machine to a stationary jig that divides a workpiece into equal divisions. Most lathes have some indexing capability. The full circle rotation of the headstock is usually divided by even numbers with the ability to lock the headstock on one of those positions. An accessory called an indexing wheel helps lay out equally spaced lines on a turning. The Iron Fire Indexing Wheel pictured below, manufactured by Flute Master, allows you to make consistent, evenly spaced construction lines, patterns and design layouts on two-dimensional (2D) and three-dimensional (3D) wood turning surfaces. Many turners have also made their own indexing systems.
Click here for more details

Sorry, wrong answer. Please try again!

Indexing changes a lathe from a revolving machine to a stationary jig that divides a workpiece into equal divisions. Most lathes have some indexing capability. The full circle rotation of the headstock is usually divided by even numbers with the ability to lock the headstock on one of those positions. An accessory called an indexing wheel helps lay out equally spaced lines on a turning. The Iron Fire Indexing Wheel pictured below, manufactured by Flute Master, allows you to make consistent, evenly spaced construction lines, patterns and design layouts on two-dimensional (2D) and three-dimensional (3D) wood turning surfaces. Many turners have also made their own indexing systems.
Click here for more details

3

 

Question 2
What do the letters HSS stand for?

Options

High Speed Steel
Hack Saw System
Hogging-Sized Skews

Answer

High-speed steel (HSS) is a subset of tool steels, commonly used as cutting tool material. It is often used in power-saw blades and drill bits. It is superior to the older high-carbon steel tools used extensively through the 1940s in that it can withstand higher temperatures without losing its temper (hardness).

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High-speed steel (HSS) is a subset of tool steels, commonly used as cutting tool material. It is often used in power-saw blades and drill bits. It is superior to the older high-carbon steel tools used extensively through the 1940s in that it can withstand higher temperatures without losing its temper (hardness).1

 

Question 3
What is a bevel?

Options

A surface on the end of a woodturning tool
A type of tool rest
A spindle turning shape

Answer

On a gouge, for example, the bevel is the surface on the end of the gouge that intersects with the flute to form the edge. When making finish cuts with a gouge, the bevel touches the wood and supports the edge during the cut.

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On a gouge, for example, the bevel is the surface on the end of the gouge that intersects with the flute to form the edge. When making finish cuts with a gouge, the bevel touches the wood and supports the edge during the cut.1

 

Question 4
What is the name for the iridescence or shimmering look in some woods?

Options

Spalting
Chatoyance
Birdseye

Answer

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Chatoyance, or cat\'s eye effect, is an optical reflectance effect seen in certain gemstones and polished woods.

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Chatoyance, or cat\'s eye effect, is an optical reflectance effect seen in certain gemstones and polished woods.2

 

Question 5
Where is a ferrule found?

Options

At the end of the headstock
On the tool rest
The end of a tool handle

Answer

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A ferrule is a cover that is placed over the end of a tool handle to strengthen it and prevent splitting or wearing.

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A ferrule is a cover that is placed over the end of a tool handle to strengthen it and prevent splitting or wearing.3

 

Question 6
What is a faceplate?

Options

A device used to attach wood to the lathe
A circular pattern to help mark logs for turning them into bowls
A shallow platter

Answer

A faceplate is a secure method of attaching a piece of wood to the lathe. It is attached to the wood with screws, and is then threaded onto the spindle of the lathe.

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A faceplate is a secure method of attaching a piece of wood to the lathe. It is attached to the wood with screws, and is then threaded onto the spindle of the lathe.1

 

Question 7
What is spalting?

Options

A method of embellishing wood using dye
Wood coloration caused by fungi
A tool sharpening process

Answer

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Although primarily found in dead trees, spalting can also occur in living trees under stress. Although spalting can cause weight loss and strength loss in the wood, the unique coloration and patterns of spalted wood are sought after by woodworkers.

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Although primarily found in dead trees, spalting can also occur in living trees under stress. Although spalting can cause weight loss and strength loss in the wood, the unique coloration and patterns of spalted wood are sought after by woodworkers.2

 

Question 8
What are CBN wheels used for?

Options

Moving heavy shop equipment
Measuring bowl sizes
Sharpening woodturning tools

Answer

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CBN wheels, such as the Spartan by WoodTurners Wonders shown below, are used to sharpen woodturning tools.
Click here for more details

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CBN wheels, such as the Spartan by WoodTurners Wonders shown below, are used to sharpen woodturning tools.
Click here for more details

3

 

Question 9
What do the letters CBN stand for in CBN wheels?

Options

Carbon-Based Nanocarbide
Complex Bipolar Carbide
Cubic Boron Nitride

Answer

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CBN is made from cubic boron nitride grains bonded by ceramic material. It is as hard as diamond on the Mohs scale.

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CBN is made from cubic boron nitride grains bonded by ceramic material. It is as hard as diamond on the Mohs scale.3

 

Question 10
What is the term for the dense inner part of a tree trunk, yielding the hardest timber.

Options

Heartwood
Sapwood
Cambium layer

Answer

Sapwood is the living, outermost portion of a woody stem or branch, while heartwood is the dead, inner wood, which often comprises the majority of a stem\'s cross-section. You can usually distinguish sapwood from heartwood by its lighter color.

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Sapwood is the living, outermost portion of a woody stem or branch, while heartwood is the dead, inner wood, which often comprises the majority of a stem\'s cross-section. You can usually distinguish sapwood from heartwood by its lighter color.1

 

 

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