Temporary Joints

Question 1

What are the 3 types of temporary joints?

Answer 1

Screws, Nails, Knock-Down Joints.

Question 2

How to join materials using a screw?

Answer 2

1. Mark position of the screw on top of wood.
2. Drill hole (Same size as screw).
3. If using a countersink screw, create a sunken hole for the screw head.
4. Put another piece of wood on top and drill a smaller hole.
5. Place screw on the first hole and drill carefully and straight with a screwdriver.

Question 3

Name a couple examples of screws.

Answer 3

Countersunk (flush with wood), Round Head (decorative) , Chipboard (long thread), Self-Tapping (cut metal holes)

Question 4

How to join materials with Nails?

Answer 4

1. Make an indent into the material to make sure the nail will not move.
2. Use a hammer, bash the head into the wood.

Question 5

What is the “dovetail technique”?

Answer 5

Hammering in the nails at an angle to provide more strength in the joint.

Question 6

Examples of types of nails?

Answer 6

Round wire (Commonly used, can split wood), Oval Wire (Longer, Cannot split wood, small head), Lost head (can be hidden underneath wood)

Question 7

How to join materials with a knock-down joint?

Answer 7

1. Another piece of wood, metal or plastic is put in between to pieces of wood at a 90 degree angle.
2. Using screws or nails, holds together the pieces of wood.

Question 8

What are two examples of knock down joints?

Answer 8

Rigid joints (more long term fixing), Plastic Fixit Blocks (used for fixing broken joints)