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What are the specific classifications of driven tool holders?

Source: Time:2020-09-27 16:26:44 浏览次数:

According to the structure and shape, it can be divided into 0°powered toolholders, 90°powered toolholders, right-angle retractable power toolholders, eccentric power toolholders, dual-axis output power toolholders, and other special-purpose toolholders (such as: Wan According to the cooling method, it can be divided into: external cooling toolholder and external cooling plus internal cooling (center outlet) toolholder; according to the type of input interface For VDI, BMT, etc.

According to the structure and shape, it can be divided into 0°powered toolholders, 90°powered toolholders, right-angle retractable power toolholders, eccentric power toolholders, dual-axis output power toolholders, and other special-purpose toolholders (such as: Wan Directional driven tool holder, hobbing driven tool holder, slot driven tool holder, etc.);

According to the cooling method, it can be divided into: external cooling type tool holder and external cooling plus internal cooling (center water outlet) type tool holder;

According to the input interface type, it is divided into VDI, BMT, etc.

The coupling of the driven tool holder can generally be divided into European and American standard quick-change tool holder VDI interface, Japanese and Korean standard bolt fastening BMT interface.

1) VDI interface: the tool holder is fixed on the turret through an oblique wedge meshing with the serrations on the tail of the tool holder. It appeared earlier, which can realize the tool holder on the turret faster and faster, and the interface standard is unified. , There are many manufacturers, but the rigidity of the interface and repeated positioning accuracy have become the bottleneck restricting the driven tool holder. European and American turning centers have multiple VDI interfaces, suitable for light cutting occasions.

One-line type: Italian Duplomatic (Dipuma) special drive gear DIN1809 for axially-entry knife turret;

Zero point positioning tooth type (involute bolt groove type): German SAUTER (Schott) turret modified special drive tooth DIN5480/5482;

Plum blossom type: SPUR MT TOEM special drive gear for Italian BARUFALDI (Balafati) turret;

T-shaped gear: American HASS (Haas) special drive gear for turret;

Helical bevel gear: German TRAUB (Traub) special drive gear for turret.

2) BMT interface: Four bolts are used to fix the tool holder and the turret, with strong rigidity and high repeat positioning accuracy. However, it is relatively troublesome to replace the tool holder. In addition, this kind of interface appeared late. There is no unified standard at present, and each manufacturer has its own different BMT interface. Not interchangeable. Turning centers in Japan and South Korea mostly use BMT interfaces, which are suitable for heavy cutting.

One font: Korea Doosan DOOSAN (PUMA series) dedicated 1809 for turret;

Zero positioning gear type: 5480;

Special type: Moriseiki (NL series) special for turret;


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