Iso: 2768 __top__
| Class | Description | Application | |-------|-------------|--------------| | | High precision | Precision machining, low-cost tooling | | m (medium) | General machining | Default for most CNC/turned/milled parts | | c (coarse) | Loose tolerance | Castings, rough cuts, large parts | | v (very coarse) | Very loose | Fabrications, flame-cut plates |
Three weeks later, Elias stood in the assembly bay. The parts had arrived from the machine shop. There were no rejections, no grinding holds, and no furious emails about impossible specs. iso 2768
| Pros | Cons | |------|------| | Reduces drawing clutter | Too loose for precision fits | | Saves design time | No tolerance for position/runout by default (part 2 optional) | | Clear international standard | Misused → over/under-tolerance parts | | Default “m” class works for many general shops | Does not cover thread tolerances, sheet metal bend allowances | | Pros | Cons | |------|------| | Reduces
Let me know your role, and I can tailor the advice on when to use "Fine" vs. "Medium" or how to read the geometric charts. flame-cut plates | Three weeks later
