Line Types
These solid lines show the visible edges and outlines of a part.
What are Object lines
The triangle symbol represents this type of weld.
What is a fillet weld?
What is the primary purpose of the arrow line in a welding symbol?
what is to identify the joint or member to be welded
What does a sheet metal flat pattern show?
what is the part before bending including dimensions, bend allowances, cut lines, holes
Length, width, and height measurements are called this.
What are linear dimensions?
This type of line shows hidden edges not visible from the outside.
What are dashed lines
The size of a weld is shown on this side of the symbol.
What is the left side?
In a fillet weld, to which member does the arrow usually point?
what is the nearer member in the drawing's view
The side the bend radius refers too
What is the inside of the bed
An angle on a sheet metal part is labeled using this unit.
What are degrees?
These lines, drawn with alternating long and short dashes, indicate symmetry or hole centers.
What are center lines?
Where is the basic weld symbol placed in relation to the reference line?
What is above or below the reference line
What does it mean if welding symbol information is placed below the reference line?
what is weld on the arrow side
The inside curve measurement of a bend is called this.
What is bend radius?
This type of dimension shows the total measurement of a part, not just one feature.
What is an overall dimension?
Thick dash-dot lines used to mark where a part should bend.
What are bend lines?
What extra information might be included in the tail of a welding symbol?
what are welding process, special requirements, specification references
What does a flag at the junction of the arrow line and reference line signify?
what is a field weld
The inside curve measurement of a bend is called this.
What is bend radius?
Dimensions shown in parentheses on a blueprint are called this.
What are reference dimensions?
These lines extend from a part edge to show where a dimension applies.
What are extension lines?
What symbol indicates that a weld should be performed all around a joint?
what is an All-around symbol
Where is a field weld performed?
what is at the construction site
Checking the tolerances is important because
what is you could be over or under and need adjustment
This term describes keeping dimensions clear, uncluttered, and consistent.
What is proper dimensioning practice