Insertos roscados tipo U British Buttress (BBUT) – Serie para trabajos pesados 22U / 27U
Ideal for: Heavy Industrial Presses, Large Screw Jacks, Unidirectional Actuators.
- Product Series: Heavy-Duty British Buttress (BBUT) U-Type laydown threading inserts (Full Profile).
- Especialista en paso grueso: Engineered specifically for large British Buttress threads with 4 TPI y 3 TPI tonos.
- Asymmetric Power: Features the standard 7°/45° profile to transmit extreme axial loads in one direction.
- Máxima estabilidad: Large U-Type format (1/2″ and 5/8″ I.C.) provides rigidity for deep cuts that standard Insertos roscados de 16 mm cannot handle.
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Versatilidad: Premium insertos roscados para torno soportes, disponibles tanto en versión para diestros como para zurdos. inserto roscado a la izquierda configuraciones.
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Descripción general del producto
Tackle the largest unidirectional power threads with our British Buttress U-Type laydown threading inserts. While standard tools handle medium pitches, these heavy-duty insertos de carburo para roscar are designed for the extreme forces required to machine coarse BBUT threads (7° pressure flank, 45° clearance flank).
Featuring a “Full Profile” geometry, these inserts cut the full thread depth and finish the crest in a single operation. The U-Type design utilizes a larger insert size to provide the structural integrity needed for 4 TPI or 3 TPI threads—tasks that are impossible for a standard 16er threading insert to perform due to the depth of cut required.
Características y ventajas principales
- Extreme Load Capacity: The 7° load-bearing flank transmits massive axial force, while the U-Type insert body prevents vibration during machining.
- Especialista en paso grueso: Specifically designed for 4 TPI y 3 TPI threads found on heavy British machinery.
- Comparación: Un estándar Inserto roscado de 16 mm (3/8″ I.C.) lacks the mass to support these coarse threads; our 22U and 27U series are the dedicated solution.
- Opciones de dirección: Disponemos de soluciones integrales, entre las que se incluyen: inserto roscado a la izquierda models (e.g., 27U EL 3 BBUT) for counter-rotating mechanisms.
BBUT U-Type Threading Inserts Technical Specifications
| I.C. | Paso (TPI) | Modelo externo (R/L) | Modelo interno (R/L) | L | X | Y |
|---|---|---|---|---|---|---|
| 1/2″ U | 4 | 22U ER4BBUT / 22U EL4BBUT | 22U IR4BBUT / 22U IL4BBUT | 22 | 2.3 | 9.5 |
| 5/8″ U | 3 | 27U ER3BBUT / 27U EL3BBUT | 27U IR3BBUT / 27U IL3BBUT | 27 | 3.1 | 11.7 |
(Note: U-Type inserts cover both External and Internal threading applications with the appropriate holder).
Directrices de mecanizado
- Tool Holder Requirement: These are U-Type threading inserts. You must use a compatible U-Type tool holder (22U or 27U pocket size). They will not fit standard 16er threading inserts holders.
- Orientation: BBUT threads are asymmetric. Ensure the 7° flank is oriented correctly relative to the load. Use a left hand thread insert for specific feed directions or reverse threads.
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Machine Setup: Machining 3 TPI threads generates significant torque. Ensure your threading inserts for lathe setup is rigid and the workpiece is securely supported.
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