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Machining Process Associated with IT Tolerance Grade

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Lappingxx x x - - - - - - - - - - -
Honing -xxx - - - - - - - - - - -
Superfinishing - -xx x - - - - - - - - - -
Cylinderical grinding - -xx x x - - - - - - - - -
Diamond turning - -xx x x - - - - - - - - -
Plan grinding - - -xx x x x - - - - - - -
Broaching - - -xx x x x - - - - - - -
Reaming - - -x x x x x - - - - - - -
Boring, Turning - - - -x x x x x x x - - - -
Sawing - - - - - - -x x x - - - - -
Milling - - - - - - -x x x x x - - -
Planing, Shaping - - - - - - - -x x x x x - -
Extruding - - - - - - - -x x x x - - -
Cold Rolling, Drawing - - - - - - - -x x x x x - -
Drilling - - - - - - - - -x x x x - -
Die Casting -------- --x x x x -
Forging - - - - - - - - - - -x x x x
Sand Casting - - - - - - - - - - - -x x x
Hot rolling, Flame cutting - - - - - - - - - - - -x x x