Joinery Techniques 302c

Question 1

Three solid wood joint classifications

Answer 1

-Glued
-Wood Fastened
-Interlocking

Question 2

Describe wood fastened joints

Answer 2

Joint using glue as a well as an additional piece to strengthen joint ie biscuit and spline

Question 3

Six physical elements that can affect joinery

Answer 3

-Material
-Manufacturing
-Load/Strength
-Environment
-Heat
-Moisture content

Question 4

Two words that describe the geometry of a joint before and after assembly

Answer 4

Internal and external

Question 5

The forces on a joint

Answer 5

-Tension
-Compression
-Sheer
-Racking

Question 6

Describe tension on a joint

Answer 6

Force pulling apart a joint

Question 7

Describe compression on a joint

Answer 7

Force pushing joint together

Question 8

Describe sheer on a joint

Answer 8

The slipping of the parts of the joint

Question 9

Describe racking on a joint

Answer 9

A combination of tension, compression, and sheer force

Question 10

Factors that could affect your choice of adhesive

Answer 10

-Temperature
-Humidity
-Location (indoor/outdoor)
-Gap filling
-Working time

Question 11

Four main families of cabinetmaking joints

Answer 11

-Case and Carcase
-Frames
-Leg-rail
-Drawers & trays

Question 12

Types of case joinery

Answer 12

-Butt joint (potentially reinforced with dowels, screws, biscuits)
-Rabbet
-Dado

Question 13

What is the “workhorse” joint of large frames, tables, and chairs?

Answer 13

Mortise and tenon

Question 14

Recommended tenon width?

Answer 14

A third to a half of the the piece

Question 15

When should you split the tenon?

Answer 15

If it is more than six times wider than the thickness

Question 16

Three sides of a tenon

Answer 16

-Shoulder
-Face Cheek
-Edge Cheek

Question 17

Describe a pegged tenon

Answer 17

Tenon has wooden pegs inserted perpendicular to the face of the tenon

Question 18

Types of tenon

Answer 18

-Blind
-Through
-Pegged
-Wedged
-Foxed
-Bare faced

Question 19

Describe a termination hole

Answer 19

Hole at the stop of a tenon kerf to prevent splitting when wedged

Question 20

Difference between mullions and muntins

Answer 20

Mullions are structural and muntins are more for aesthetics, ie separating glass panels

Question 21

Purpose of a haunched tenon in a door frame?

Answer 21

To cover panel groove

Question 22

Top horizontal components of tables

Answer 22

Aprons

Question 23

Top horizontal components of chairs

Answer 23

Rails

Question 24

Strong and reversible leg-rail connection hardware

Answer 24

-Corner bracket
-Leg brace

Question 25

Types of drawer and tray joinery

Answer 25

-Dovetail -French Dovetail -Finger joint -Tongued lap joint -Mitre -Butt -Rabbeted

Question 26

First step in starting on any project

Answer 26

Analyze drawings, make cut list, and prepare solids

Question 27

Tool used to draw large radii

Answer 27

Beam compass

Question 28

What order should you mark out your joints?

Answer 28

Most complex to least

Question 29

Mortise or tenon first? Why?

Answer 29

Mortise, fixed tool sizes

Question 30

Joints that should not be used in furniture joinery?

Answer 30

As long as good principles of joinery are used, all joints can be used in furniture

Question 31

Type of layout you should use for a complicated assembly?

Answer 31

Full scale

Question 32

Difference between layout and markout

Answer 32

Layout is a scale drawing of project, markout is transferring your joint markings on to the solid

Question 33

Two joints that you can leave the protruding ends long and flush after assembly

Answer 33

Open mortise and tenon and through mortise and tenon

Question 34

How should you clamp during a dry fit?

Answer 34

Same way you will when gluing

Question 35

Best practice of removing clamps?

Answer 35

Partially loosen all clamps instead of taking one off completely at a time

Question 36

Two benefits of a wood fastened joint

Answer 36

Alignment and strength

Question 37

Factors of selection and performance of joints

Answer 37

-Form -Function -F(ph)ysical Elements -FIt

Question 38

Ways to strengthen an end-to-end butt joint

Answer 38

Scarf or finger joint.

Question 39

Strength of a edge-to-edge joint

Answer 39

Strong

Question 40

Strength of a face-to-face joint

Answer 40

Strong

Question 41

Strength of an across or side grain joint

Answer 41

Strong if moisture content low and consistent

Question 42

Strength of a end-to-end joint

Answer 42

Weak AF

Question 43

Answer 43

Muntin

Question 44

Answer 44

Mullion

Question 45

Answer 45

Sloped haunch tenon

Question 46

Answer 46

Half lap

Question 47

Answer 47

T lap

Question 48

Answer 48

Cross lap

Question 49

Answer 49

Bridle or slip tenon

Question 50

Answer 50

Mitre key / splined mitre