- Masterpiece in the world 2018/01/23 UP
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Masterpiece in the World #16
All-directional turning tools that extend tool life and boost productivity
- Tag
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- Tool
- Turning
Shaft-shaped workpieces are mainly mass-produced by turning on turning centers or integrated mill turn centers. In such turning, reduction in machining time and extension of tool life are issues to tackle. This time we introduce an all-directional turning tool “CoroTurn®Prime” from Sandvik that shortens machining time and extends tool tip life.
Solution for machining issues of shaft-shaped workpieces
In the conventional turning of shaft-shaped workpieces, the cutting angle of a tip is a nearly right angle from 93 to 95 degrees. So increasing feedrate is difficult, and a load imposed on tips is enormous. In general, a cutting angle is reduced to enlarge a contact surface between a tip and a workpiece, aiming to increase feedrates. As this cannot be applied to standing wall machining, the cutting angle has to be returned again, and the feedrate needs to be reduced when standing wall machining is done. The all-directional turning tool “CoroTurn®Prime” from Sandvik solves such an issue.
The “CoroTurn®Prime” for all-directional turning to drastically improve productivity
The “CoroTurn®Prime” is capable of turning at various angles (prime turning) including back turning at low angles from 25 to 30 degrees (pull machining) and pull-up end face machining, in addition to turning at the conventional angles (push turning).
Lowering cutting angles makes possible high-feed machining. It can also enlarge a contact area between a tip and a workpiece, which disperses a load on the tip and reduces the wear. As a result, chips become thin, ensuring efficient chip disposal and higher productivity.
In general, when a cutting speed increases, a cutting temperature rises, and tool life becomes short. However, the “CoroTurn®Prime” does not have such a problem. With the Sandvik’s cutting-edge coolant technology with superb cooling effects, coolant is directly sprayed over tips to control cutting temperature, allowing for a longer tip life.
In outer diameter machining of standing walls, which can cause breakage and damage to tips and workpieces, the “CoroTurn®Prime” can prevent chips from getting caught by back turning. Please check the video for actual machining.
6.6 times higher productivity and 3.3 times longer tool life!
A customer who mass-produces shaft-shaped workpieces such as car transmissions employed the product; and as a result, the feedrate was increased by 2.7 times and machining time was cut down to one fifth. Another customer reported that their productivity had been increased by 6.6 times and tool life extended by 3.3 times.
The “CoroTurn®Prime” solves machining issues of shaft-shaped workpieces and ensures efficient machining performance. For those who are interested in the product, please contact DMG MORI at any time.
| SANDVIK Locations：2-2-21, Isogamidori, Chuo-ku, Kobe City, Hyogo 651-0086, Japan Tel：078-265-5311 Fax：078-265-5315 URL：https://www.home.sandvik/en/ |
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