C3 - LT#1 Use a Jointer

Question 1

What is the main purpose of a jointer?

Answer 1

Remove warps, twists from a board - dress it flat and true

Question 2

Rabbet, taper, bevel and chamfer a stock, does a jointer do this?

Answer 2

YES

Question 3

What determines the size of the jointer?

Answer 3

The length of the knives

Question 4

The outfeed table of the jointer must be set to exactly match the height of what?

Answer 4

The knives of cutter head

Question 5

What is the cause of the problem that is indicated when a snipe or gouge appears at the end of a cut?

Answer 5

Outfeed table is too low in relation to the height of the knives

Question 6

Lumber that is bowed across its width should be jointed with the cupped side:

Answer 6

Cupped side down

Question 7

With which part of the jointer must the stock make full contact if you want a straight cut?

Answer 7

Back outfeed table

Question 8

What adjustment must you make to the jointer fence in order to cut a chamfer?

Answer 8

A tilt

Question 9

Where should you stand in relation to the machine when jointing a board?

Answer 9

To the side of the machine

Question 10

Kickbacks are more likely to occur when the jointer is set for?

Answer 10

Larger volume of cut

Question 11

To ensure that the fence of the jointer is perpendicular to the table surface, periodic checks should be made with:

Answer 11

A combination square or a Tri-square

Question 12

What are the two purposes of the infeed table? (Jointer)

Answer 12

1) Height of the adjustable infeed table governs the depth of cut
2) support the work as it’s fed into the cutter head

Question 13

What is the main purpose of the outfeed table ( Jointer)

Answer 13

Governs the straightness of the material passed through

Question 14

How must you sharpen jointer knives?

Answer 14

Only with a stone, or if carbide- diamond embedded stone

Question 15

Most common sizes for jointer knives?

Answer 15

150 to 200 mm

Question 16

What is a guard ( jointer)

Answer 16

Cover parts of jointer knives that are not in use

Question 17

What is the primary tool for preparing rough stock for cabinet and furniture construction?

Answer 17

Jointer - mainly to make edges JOIN

Question 18

The outfeed table must be set according to what?

Answer 18

It must be set to the same height as the top of the knives

Question 19

What is sniping?

Answer 19

Change in thickness caused by having the outfeed table set too low

Question 20

The depth of cut should be set to what for wide boards? (jointer)

Answer 20

Shallow for wide boards

Question 21

The depth of cut should be set to what for narrow boards?

Answer 21

Deeper for narrow boards

Question 22

What is the depth of cut ( jointer )

Answer 22

Combo. of width of the board, depth and the feed rate

Question 23

Cutting against the grain or with the grain with a jointer?

Answer 23

knives should be cutting WITH the grain

Question 24

How to feed twisted boards into infeed ( jointer )

Answer 24

Balance the twist, try to keep board the same plane, 2nd pass the board will balance better, stable on 3rd

Question 25

If you cut the rabbet in one pass, you must:

Answer 25

slow the rate of the feed to reduce the danger of kickback

Question 26

Why regularly move the location of the fence?

Answer 26

Expose unused portions of the knives, wear on the knives will then be even