2006-09-20 09:00:59 · 6 answers · asked by philip 1 in Science & Mathematics ➔ Engineering
It's a system to make a "grid" on the drawing. Parts can be called out as being in zone "b3". that way you don't have to search the entire drawing, just that zone.
2006-09-20 09:26:09 · answer #1 · answered by Take it from Toby 7 · 0⤊ 0⤋
Drawing With Letters And Numbers
2017-01-13 21:11:00 · answer #2 · answered by ? 4 · 0⤊ 0⤋
If you are familiar with most Cartesian grid systems, they consist of an "x" axis and a "y" axis. Engineering title boxes/borders include a standard of numbers and letters so that you can talk or convey a particular part of a drawing to someone looking at a large drawing and narrow the area of the page to look at. Nothing too scientific, just convenience I think.
2006-09-20 09:12:06 · answer #3 · answered by Cadman1965 3 · 0⤊ 0⤋
Often times a drawing will span a number of sheets, and there may be points on one sheet that connect to points on another (such as in an electrical schematic). These points are often designated by sheet number and grid location. Sometimes this is done on single-sheet drawings to avoid lots of long lines across the sheet. The line may treminate in an arrow and a note "Sheet2/E4". This means the connecting point can be found on sheet 2 in grid space E4. A similar note will be found on sheet 2 showing where the connection comes from.
2006-09-20 18:00:43 · answer #4 · answered by gp4rts 7 · 0⤊ 0⤋
Every engg drawing is split into cross sections like a grid. This grid allows easy location of points within the drawing. These numbers much like looking up a map allow the implementers/engg to communicate their thoughts.
2006-09-20 09:04:06 · answer #5 · answered by bostoncity_guy 2 · 0⤊ 0⤋
To make it easier to locate something.
"Look in A2 and you can see..."
2006-09-20 09:02:29 · answer #6 · answered by Bors 4 · 0⤊ 0⤋