Tool holders enable turning in all directions

10th October 2017
Posted By : Alice Matthews
Tool holders enable turning in all directions

Cutting tool and tooling system company, Sandvik Coromant, has unveiled a new range of CoroTurn Prime multi-task and axial type tool holders to help machine shops implement the new PrimeTurning methodology, which enables turning in all directions. The introductions allow users to maximise the benefits of PrimeTurningon multi-task turn-mill centres and vertical turning lathes (VTLs). Complementing the company’s existing radial tool holders, Sandvik Coromant now has a complete offer for PrimeTurning operations.

One of the highlights of the range is the CoroTurn Prime Twin tool holder for multi-task machines. Both CoroTurn Prime A- and B-type inserts can be mounted together on Twin tool holders, allowing manufacturers to undertake roughing with a B-type insert before switching to finishing with an A-type insert, for example.

”Modern multi-task machines are intended for the complete machining of components but typically have a slow tool changing time, often around 15-20 seconds,” said Håkan Ericksson, Product Manager General Turning at Sandvik Coromant. ”As a result, the new Twin holder will save customers a considerable amount of time when changing tools.”

As a further advantage, B-axis machining on multi-task machines permits the operator to programme the angle of the tool in precise increments. When the machine cuts using its B-axis, a lot of accessibility is created using neutral holders. In combination with streamlined operations, this delivers the potential for huge time saving and productivity increases to help manufacturers reduce tooling inventories and achieve competitive gains.

Six new multi-task tool holders are being introduced, which are mounted at a 45° angle for B-axis machining and can be used with either CoroTurn Prime A-type or B-type inserts. Options for multi-task machines include four tool holders (one-insert only) and two Twin tool holders (two inserts). The CoroTurn Prime Twin tool holder is available for use with Coromant Capto C5 – C8 size.

A range of axial tool holders for vertical turning lathes is also part of the range, which means that Sandvik Coromant now has a complete offer for PrimeTurning: axial, radial and multi-task tool holders. In total, eight dedicated tool holders for axial mounting are being launched. This type of tool holder is compatible with most types of vertical lathes, and is available in Coromant Capto for use with either CoroTurn Prime A-type or B-type inserts.

Although PrimeTurning is applicable to the entire general turning area, machine shops with large batch sizes (automotive) are set to benefit most, as will those machining large components (aerospace), where there is a need to reduce tool changes, set-up time and production stops.

Ultimately, the all-directional PrimeTurning method and CoroTurn Prime tools will ensure that manufacturers can complete their turning operations in a much more efficient way. Compared with conventional turning, a 50-80% increase in productivity, along with 1.5–2 times more tool life, can be achieved.


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