Musical symbols are marks and symbols used since about the 13th century in musical notation of musical scores some are used to notate pitch tempo metre duration and articulation of a note or a passage of music.
Scoring marks in sheet metal.
Simply hold the ruler down along the line you wish to score and then drag the pen firmly along the line of the ruler to create a groove.
The circular mark was a completely circular scoring when folded up before soldering the piece looked like a cup or shallow beaker a brooch copper gold plated note how the scored line runs around the bend in the middle of the sheet.
Let s look at the definition of these two operations.
Fall in is commonly observed where areas of high strain rate are surrounded by large areas of low strain rate.
In some cases symbols provide information about the form of a piece e g how many repeats of a section or about how to play the note e g with violin family instruments a.
Die cutting is a process by which a die made out of sharpened steel is used to cut irregular shapes out of printed sheets.
I hope this reads sensibly.
Separating discs for scoring.
The term scoring refers to creating a groove in metal sheet and then bending it up and soldering it from the back to strengthen the seam.
Marking lines occur when sheet material undergoes high tensile stresses as it flows over sharp tool corners.
Die cutting and scoring happen in one pass.
The two kinds of equipment have the characteristics of convenience and flexibil.
The center marks were made as pinched extruded line folds.
There are many ways to make such a groove from chemical milling spray etching to hand working.
Place the metal on a hard surface to score it and on long pieces do the bending with the score place along a sharp edge of a bench and if necessary clamp the fixed piece with a long piece of flat wood to prevent buckling the metal while bending it back and forth.
Make sure that the pen has no ink left before you start as it can leave marks otherwise.
A scoring tool can be used to mark sheet metal.