Measuring and Marking out tools

Explain the purpose of shading in the areas shown in this diagram.

• For aesthetic purposes.

• To Identify areas of material to be kept.

• To identify waste wood or material.

• To identify areas to be sanded.

This diagram shows a decorative top piece of a shelving unit. This has to be reproduced many times.

Name the marking out aid that is used to ensure all the decorative top pieces are marked out identically.

• Compass

• French Curve

• Template

• Stencil

Answer explanation

Using Templates:

 

Used to make curved or irregular shapes

 

Allows accurate reproduction of a shape many times

 

Template can be:

·         Wood

·         Card

·         Metal

·         plastic

Slot A, shown, is cut using hand tools. The first stage is to mark out the slot. The last stage is to accurately level off the bottom of the slot.

Select the correct intermediate stages.

• centre punch both ends

• Vee-notch

• plane edges

• Saw or vertical chisel

• Remove waste wood with chisel

A corner halving joint is shown . An important part of making any joint is marking out. There are four stages in the marking out process of this joint, select them.

• Mark size to shoulder

• Square round sides with try square

• Mark depth with marking gauge

• Mark the waste wood

• Cut v-notch with chisel

Name this tool which can be set/adjusted to draw lines at a range of angles to an edge.

• Adjustable set square

• Sliding bevel

• Engineers square

• Straight edge

Answer explanation

Sliding bevel:

 

For marking out angled lines, commonly mitres and dovetail joints

 

Can be adjusted to any angle

Name this tool used to mark/cut across the grain of the timber or mark wood before sawing/cutting.

• Whittling knife

• Marking Knife

• Stanley Knife

• Scalpel

Answer explanation

Marking Knife:

For marking lines across the grain

More accurate than a pencil

Makes sawing and chiselling easier

The blank shown has to be prepared for the turning process before it is mounted on the woodturning lathe to be turned into a bowl.

which stage would come first?

• Draw diagonals/ mark centre

• Mark circle/ octagonal shape

• Fix face plate

• Increase lathe speed

Select the tool shown in the image.

• Meter stick

• Spirit level

• Steel rule

• Outside calipers

Answer explanation

Steel rule:

Rigid steel

Used to accurately measure sizes below 300mm

Select the tool shown in the image.

• Straight edge

• Tape measure

• cutting guage

• steel rule

Answer explanation

Tape measure:

Flexible steel

 

Used to measure larger sizes.

 

Typically 3 – 5 meters long

Select the tool shown in the image.

• Set Square

• Engineers square

• Try-square

• Combination square

Answer explanation

Try Square:

For marking lines at 90°

 

For checking corners are square

 

Brass plate minimises wear ‘n’ tear