Calcule las RPM óptimas, la velocidad de alimentación y la carga de viruta para molinos de extremo de carburo. Seleccione su material, introduzca las dimensiones de la herramienta y obtenga resultados instantáneos, sin necesidad de registrarse.
Basado en los datos de SFM del Manual de datos de mecanizado Metcut y las normas ISO 1832
Obtenga precios directos de fábrica en molinos de extremo de carburo premium. Díganos su material, cantidades y tolerancias objetivo.
Verificado por el equipo de ingeniería de Carbide-Tooling
El cálculo preciso de la velocidad y la alimentación es la base del mecanizado CNC rentable. Para las herramientas de carburo, obtener los parámetros correctos significa la diferencia entre una operación competitiva y fallas constantes de la herramienta. Esta guía proporciona a los maquinistas e ingenieros de fabricación las fórmulas, los datos y las estrategias necesarias para optimizar los parámetros de corte de las fresas de extremo de carburo en los materiales comunes de la pieza de trabajo.
Spindle Velocidad de corte (RPM) is calculated from the desired surface speed:
Imperial: RPM = (SFM × 12) ÷ (π × D)
Metric: RPM = (Vc × 1000) ÷ (π × D)
Avance Rate determines how fast the tool moves through material:
Avance Rate = RPM × N × IPT where N = number of flutes and IPT = inches per tooth (chip load).
Aluminum 6061: SFM 800-1,500. Use polished flute geometries and 2-3 flute designs. High RPM with moderate chip loads maximizes material removal without built-up edge.
Stainless Steel 304/316: SFM 250-500. Use 4-6 flute variable helix geometries to reduce chatter. Maintain minimum chip thickness to avoid work-hardening — the most common cause of edge chipping in stainless steel.
Titanium Grade 5: SFM 150-300. Low thermal conductivity concentrates heat at the cutting edge. Climb milling and through-spindle coolant are essential for tool life.
Hardened Steel (45-55 HRC): SFM 150-250. Use 6+ flute end mills with AlTiN or AlCrN coatings. Trochoidal milling with light radial engagement (5-15%) maximizes material removal while protecting the tool.
How do I calculate speed and feed for a carbide end mill? Use the calculator above. Select your material, tool diameter, flute count, and operation type. The calculator applies the standard formulas automatically.
What happens if the feed rate is too high? Tool deflection, poor surface finish, accelerated wear, and potential tool breakage. Reduce feed by 20-30% if you observe these symptoms.
How does cutting speed affect tool life? Per the Taylor equation, doubling cutting speed typically reduces tool life by 50-80%. Optimal speed balances productivity and tool cost.
Why is my carbide tool chipping in stainless steel? Most common cause is insufficient chip load — the tool rubs instead of cutting, causing work-hardening. Ensure minimum chip thickness is maintained.
What is the difference between SFM and RPM? SFM (Surface Feet per Minute) is the speed at which the cutting edge travels through material. RPM is the spindle speed calculated from SFM and tool diameter.
Why carbide over HSS? Carbide offers 3-5× higher cutting speeds, maintains hardness at high temperatures (800-1000°C), and enables machining of hardened materials up to 65 HRC.