Unit 4 Extension Lines And Dimension Lines Part 1-Section 1 Lines Unit 4 Extension Lines And Dimension Lines

Extension Lines Used in dimensioning to show size Thin, dark, solid lines Extend away from object

Example Application

Dimension Lines Size descriptions Fractional Decimal Metric

Dimension Lines Thin lines Broken at dimension Ends in arrowheads

Dimension Lines Arrow size determined by Prefer closed arrowhead Dimension line thickness Drawing size Prefer closed arrowhead Projects 1/16 beyond dimension line

Print Reading Assignment-Unit 4 Angle Brace (BP-4A) Print Reading Assignment-Unit 4

Name the material specified for the Angle Brace.

What is the overall length of the brace from left to right?

What is the overall height from the top of the brace to the bottom?

What is the width of each leg of the brace?

What is the thickness of the metal in the Brace?

What is the name given to the kind of line marked , and ? B C

What kind of lines are and ?

What kind of lines are and ? G

Why are object lines made thicker than extension lines and dimension lines?

Print Reading Assignment-Unit 4 Corner Plate (BP-4B) Print Reading Assignment-Unit 4

What kind of line is ? A NOTE: DIA. = DIAMETER R = RADIUS

What kind of line is ? B NOTE: DIA. = DIAMETER R = RADIUS

What kind of line is ? C NOTE: DIA. = DIAMETER R = RADIUS

Determine the overall length of the Plate from left to right. NOTE: DIA. = DIAMETER R = RADIUS

Determine the overall height of the Plate from top to bottom. NOTE: DIA. = DIAMETER R = RADIUS

Give the center distance between the two upper holes. NOTE: DIA. = DIAMETER R = RADIUS

D Determine distance . NOTE: DIA. = DIAMETER R = RADIUS

F What kind of line is ? NOTE: DIA. = DIAMETER R = RADIUS

What radius forms the rounded corner of the Plate? NOTE: DIA. = DIAMETER R = RADIUS

Name the materials specified for the Plate. NOTE: DIA. = DIAMETER R = RADIUS

How many Corner Plates are required? NOTE: DIA. = DIAMETER R = RADIUS