Article: Driven tools - modular or monoblock?

A comparison of the advantages and disadvantages found in both systems

Driven tools are added to machine tools of all kinds to increase the operating capabilities of the machine [ILLUSTRATION FOR FIGURE 1 OMITTED]. Driven tools consist of one or more rotating spindles driven by the machine spindle or by the turret drive motor, and include:

* Rotary drilling, milling, and tapping units (straight, right angle, adjustable angle),

* Multiple spindle drilling, milling, and tapping heads,

* Speed and torque increasers,

* Coolant inducers, and

* Full automatic turning and grooving heads.

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