航空宇宙部品表面粗さ要件. エンジニアリング意思決定のための完全な参照表。
完全な参照表とエンジニアリングデータ: mコードリファレンスガイド. すべての値はISO、ANSI、メーカー規格に対して検証済み。
Every seasoned CNC machinist knows that getting the numbers right means the difference between scrap and a perfect part. M-Code Reference Guide is no exception. When Kyocera application engineers walk a customer through process optimization, this is one of the first parameters they check — because even a 5% error here can cascade into tool failure or out-of-tolerance parts.
The formula at work here is deceptively simple but carries deep implications. Nachi publishes reference tables for this parameter across their full material catalog, and Widia integrates it directly into their ToolGuide app. The underlying principle hasn't changed in decades, but modern coated carbides have pushed the usable range significantly.
Always cross-reference your calculated values against your tool manufacturer's recommended ranges. Kyocera's CoroPlus ToolGuide and Nachi's NOVO app provide material-group-specific upper and lower bounds. When in doubt, start conservative — you can always push harder on the second part.
Scenario: Machining 4140 alloy steel (HB 280) on a Okuma VMC, using a Kyocera solid carbide end mill.
M-codes (miscellaneous functions) control non-motion machine operations: spindle, coolant, tool changes, program flow. While G-codes handle geometry, M-codes handle the machine. This reference covers standard M-codes across Fanuc, Haas, and comparable controls.
Some controls require M06 on its own line. Others require Txx on one line, M06 on the next. Still others process both on the same line but activate them in a specific order. Check your machine manual. The safest format is: T12 (pre-stage the tool); M06 (change to staged tool). This pre-stages the next tool while the current tool is cutting.
M00 = unconditional stop (program waits). M01 = conditional stop (waits only if Optional Stop switch is on). M30 = program end with rewind (resets program to the beginning). Use M00 for mandatory interventions, M01 for optional inspections, and M30 to end every program.
Auxiliary equipment M-codes vary by machine builder: pallet changer, chip conveyor, bar feeder, parts catcher, tailstock, steady rest, and air blast all use M-codes specific to the machine builder (M10-M99 range). Always check the machine's M-code list before using any M-code above M09 that you haven't verified.
Use this reference to look up M-code functions and syntax. M03/M04/M05, M08/M09, M06, and M30 are the essential codes used in every CNC program. M-codes above M09 vary by machine -- always verify with the machine builder documentation before using machine-specific M-codes.
Continue with closely related resources from the machining reference library.