削けずり代しろ

noun

machining allowance; cutting stock

Technical term in machining and manufacturing: extra material intentionally left on a workpiece to be removed later, ensuring final dimensions can be met despite tolerances.

• この部ぶ品ひんは削けずり代しろを0.5ミリ残のこして粗あら加か工こうしてある。

  This part has been rough-machined with a 0.5 mm machining allowance left.

• 削けずり代しろが足たりないと、仕し上あげ加か工こうで寸すん法ぽうが出だせなくなる。

  If the machining allowance is insufficient, the final dimensions cannot be achieved in finishing.