MechPilotStandards tables
The data MechPilot draws with, one page per table. Every value comes from the library in the repository, which cites the standard and clause and says how the value was checked. Nothing is typed by hand for these pages.
- ISO 286 standard tolerance grades IT01 to IT18Standard tolerance grades IT01 to IT18 for nominal sizes up to 3150 mm.
- ISO 286 fits: limit deviations and clearancesCommon hole-basis fits (H7/g6, H7/k6, H7/p6 …) with their deviations and clearances up to 500 mm.
- ISO 5457 drawing sheet sizes A0 to A4: frame, borders and gridSheet sizes A0 to A4, drawing space, borders, frame and grid reference fields.
- ISO 128-2 line types and line widths for technical drawingsLine types with their use and dash patterns, and the line-width series.
- ISO 3098 lettering: text heights and proportions of type A and BNominal text heights and the proportions of lettering types A and B.
- ISO 1101 GD&T symbols: geometrical characteristics and the tolerance frameThe geometrical characteristics, their symbols, groups and whether a datum is needed.
- ISO 21920-1 surface texture symbols and the Ra seriesThe three surface texture symbols, symbol proportions and the Ra values with N grades.
- ISO 5455 recommended scales for technical drawingsThe recommended enlargement and reduction scales and how a scale is written.
- ISO 129-1 dimensioning: arrowheads, extension lines and symbolsArrowhead forms and sizes, extension lines, text placement and the dimension symbols.
- ISO 7200 title block: the data fields of a drawingThe title block data fields, which are mandatory, and their recommended lengths.
- ISO 273 clearance holes for bolts and screws, M1.6 to M64Clearance hole diameters for metric bolts and screws, fine, medium and coarse series.
- Tap drill sizes for ISO metric coarse threads (ISO 2306)Drill diameters before tapping and the coarse pitches, M1.6 to M56.
- Densities of common engineering materialsDensities of steels, aluminium, copper alloys, cast iron and plastics, each with its source.