Inserto TNMA

TNMA insert angle: 60°Triangle carbide insert; 0° Negative Rake Insert and double-sided no chipbreaker；

Breaker Application: cast iron machining;

TCMA insert inscribed circle (IC) of 9.525mm/12.7mm, thickness of 4.76mm, and corner (nose) radius of 0.4mm/0.8mm/1.2mm/1.6mm;

Matching TNMA insert Tool Holder: PTFNR/L,PTTNR/L,PTGNR/L,MTGNR/L,MTJNR/L,MTFNR/L;

TNMA Insert can deal with multiple operations by combining different grades;

Material : Tungsten Carbide;

Introducción al producto

TNMA insert is a triangular 60° angle without chipbreaker specially designed for hard material machining, mainly used in cast iron machining, with good triangular stability, the negative type insert can effectively utilise 6 cutting edges, economical and efficient.

TNMA insert Specification

TNMA Designation

T: Triangular shape.
NORTE: Negative rake angle (provides stronger cutting edge).
METRO: Tolerance class (indicates precision of inscribed circle and thickness). Typically +/- 0.13mm.
A: With cylindrical hole, without chipbreaker.

Common TNMA Dimensions

Similar to TCMT inserts, TNMA inserts use numbers to signify size:

TNMA 33X:
- Círculo inscrito (IC): 0.375″ (3/8″)
- Grosor: 0.125″ (1/8″)
- X represents nose radius in sixteenths of an inch (e.g., 1 = 1/32″)
TNMA 43X:
- Círculo inscrito (IC): 0.5″ (1/2″)
- Grosor: 0.188″ (3/16″)
- X represents nose radius

TNMA insert holder

Mtjnr/l

TNMA carbide Insert Dimensions (ISO and ANSI)

ISO TYPE	ANSI TYPE	LE	IC	S	DI	RE
TNMA160404	TNMA 331	16.5	9.525	4.76	3.81	0.4
TNMA160408	TNMG332	16.5	9.525	4.76	3.81	0.8
TNMA160412	TNMG 333	16.5	9.525	4.76	3.81	1.2
TNMA220408	TNMG432	22	12.7	4.76	5.16	0.8
TNMA220412	TNMG433	22	12.7	4.76	5.16	1.2
TNMA220416	TNMG434	22	12.7	4.76	5.16	1.6

Example: TNMA 432

T: Triangular
NORTE: Ángulo de rastrillo negativo
METRO: Clase de tolerancia
A: 60 ° incluido ángulo
4: Círculo inscrito de 0.5″ (1/2″)
3: Espesor de 0.188″ (3/16″)
2: Radio de la nariz de 0.0625″ (1/16″) - bueno para el trabajo de propósito general

The Science Behind Carbide Inserts: How They're Made and Why They're So Strong

Los insertos de carburo son algunas de las herramientas de corte más versátiles y duraderas disponibles. Pero, ¿cómo se hacen? ¿Y qué los hace tan fuertes? En este video, exploraremos la ciencia detrás de las inserciones de carburo, desde las propiedades del carburo de tungsteno hasta el proceso de fabricación.