- Tipo di utensile: Portautensili neutri per tornitura esterna (simmetrici)
- Serie modello: MWMNN (Neutral Hand)
- Angolo di entrata: 50° Entering Angle (40° Lead Angle)
- Sistema di serraggio: Morsetto doppio tipo M (morsetto superiore e perno)
- Compatibilità inserto: WNMG, WNMA, WNMM (Inserti Trigon 80°)
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Applicazione chiave: Profiling, chamfering, and bi-directional turning with high economy.
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Panoramica
The MWMNN series is a specialized Neutral External Turning Tool Holder that bridges the gap between economy and versatility. Unlike standard neutral tools that use triangular inserts, the MWMNN is designed to hold the robust WNMG insert (Trigon). Featuring a symmetric 50° entering angle, this holder allows for unique profiling capabilities and large chamfering operations while utilizing the most cost-effective insert on the market.
Massima economia con gli inserti WNMG
The standout feature of the MWMNN is its ability to use WNMG inserts. This gives machinists 6 usable cutting edges per insert (compared to 3 on a TNMG neutral tool). It provides the strength of an 80° corner for heavy cuts, combined with the versatility of a neutral holder for bi-directional machining.
Stabilità rigida di tipo M
The symmetric 50° design directs cutting forces in a specific pattern that requires superior holding power. The MWMNN TOOL HOLDER utilizes the M-Type Double Clamping System. The lock pin and top clamp ensure the large WNMG insert remains rigid, preventing vibration during profiling or when cutting chamfers on both sides of a workpiece using the same tool.
Regole di denominazione dei codici ISO
Here is the breakdown of the MWMNN code, highlighting its specific Neutral Trigon geometry:
| Posizione | Codice | Parametro | Descrizione e vantaggi tecnici |
| 1° | M | Metodo di serraggio |
Chiusura multipla (doppio morsetto): Utilizza un perno e un morsetto superiore. • Vantaggio: Essential for securing the large WNMG insert in a neutral position. |
| 2° | W | Inserisci forma |
Trigono (80°): Si adatta agli inserti WNMG. • Vantaggio: Offers 6 taglienti, providing double the economy of triangular neutral tools. |
| 3° | M | Stile del supporto |
50° Angolo di entrata: • Vantaggio: A symmetric angle ideal for profiling and creating 50°/40° chamfers in either direction. |
| 4° | N | Angolo di passaggio |
Negativo (0°): L'inserto è posizionato perpendicolarmente. • Vantaggio: Strong cutting edge for tough materials. |
| 5° | N | Mano dello strumento |
Neutrale: Design simmetrico. • Vantaggio: Can cut towards or away from the chuck, or plunge straight into a profile. |
Domande frequenti
Q1: What is the main advantage of MWMNN over MTENN?
A: Both are neutral holders, but MWMNN uses WNMG inserts (6 edges, 80° corner), while MTENN uses TNMG inserts (6 edges, 60° corner). The MWMNN is much stronger due to the 80° insert corner, making it better for heavier cuts, although MTENN can enter tighter profiles.
Q2: What is the 50° entering angle used for?
A: The 50° angle allows for substantial clearance when profiling complex shapes. It is also frequently used for specific chamfering operations where a standard 45° or 60° tool cannot meet the print requirement.
Q3: Is the MWMNN directional?
A: No, it is a Neutral tool (indicated by the last “N” in the code). It is symmetric and can be used to cut in both Left and Right directions (bi-directional), or for plunge cutting.
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