What’s on the Bonus Tolerance poster
The rule, 3 worked examples, and the mistake everyone makes.
- At maximum material condition, a feature made away from its worst size earns extra po…
- Bonus = difference from the MMC size · total = stated + bonus
- Hole 10.0 to 10.5 = MMC is 10.0
- Hole made at 10.3 = Bonus is 0.3
- Stated position 0.2 = Allowed 0.5 total
- Common mistake: Taking MMC as the largest size of every feature → MMC is the most mat…
Bonus applies only where the drawing calls MMC on the tolerance. Educational reference; ASME Y14.5 governs.
Questions about the Bonus Tolerance poster
- What’s on the Bonus Tolerance poster?
- The rule, 3 worked examples, and the mistake everyone makes. At maximum material condition, a feature made away from its worst size earns extra po…; Bonus = difference from the MMC size · total = stated + bonus; Hole 10.0 to 10.5 = MMC is 10.0; Hole made at 10.3 = Bonus is 0.3; Stated position 0.2 = Allowed 0.5 total; Common mistake: Taking MMC as the largest size of every feature → MMC is the most mat…. Bonus applies only where the drawing calls MMC on the tolerance. Educational reference; ASME Y14.5 governs.
- Who is the Bonus Tolerance poster for?
- Bonus Tolerance belongs to the Mechanical Engineering section rather than to a school year, because engineering is not something one grade owns. Anyone learning cad & drawing can pin it up — a beginner, a student mid-course, or someone revising years later.
- When should you use the Bonus Tolerance poster?
- Reading or writing a position tolerance called at maximum material condition. A wall chart earns its place by being glanceable from where the work is happening, so Bonus Tolerance belongs on the wall where that engineering work actually happens, within glancing distance, rather than filed away.
- What other posters go with Bonus Tolerance?
- Assembly Drawings, Auxiliary & Detail Views and Choosing Views sit alongside Bonus Tolerance in the Mechanical Engineering section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Assembly DrawingsAuxiliary & Detail ViewsChoosing Views
- Is the Bonus Tolerance poster free to download and print?
- Yes. Bonus Tolerance downloads as a free PDF with no account, no email and no watermark, like everything else in the Mechanical Engineering section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
- What size does the Bonus Tolerance poster print at?
- Bonus Tolerance is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Bonus Tolerance loses nothing.Printing guide
Related posters
Charts that sit alongside Bonus Tolerance on the same wall.
Assembly Drawings
Mechanical Engineering
Auxiliary & Detail Views
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Choosing Views
Mechanical Engineering
Dimensioning Rules
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Drawing Line Types
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First or Third Angle?
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GD&T Controls
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Datum Reference Frame
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