Hyundai-Kia CNC lathe turret has 12 positions

The use of a 12-position, quick-change, all-driven tool turret makes the Hyundai-Kia SKT 250M, from distributor Ward CNC, a choice for mill-turn components required in any batch size.

Operating at a maximum of 4,000 rev/min, the driven tools are powered by a 5.5kW motor and tool shanks up to 20mm diameter and rigid tapping up to M16 can be accommodated.

With a 22kW main spindle producing 3,500 rev/min plus 10in chuck, the machine is further suited to heavier-duty machining routines due to its heavy-duty boxway construction and high torque two-speed geared headstock.

Trials have shown the SKT 250M to maintain roundness within +0.5 micron and a constant cutting accuracy of +3.5 micron.

Adding to the machine's capability is its availability as a bar-fed model for the 76mm stock handled.

Available immediately from stock, the machine sets the benchmark in one-hit turning and milling operations by combining high power and spindle rigidity with the driven tooling, as well as via the functionality of its Fanuc 18i-TB six-axis CNC.

Of 45deg slant-bed design with heavy-duty hardened and ground box slideways, the machine is of single heavy-duty casting design with significant ribbing to absorb vibration and has a through bore with a 90mm diameter thermally symmetrical design of headstock.

It has a high-speed gearless drive to generate smooth operation and permit heavy-duty cycles.

The capacity is within a maximum swing of 750mm and a turning length of 680mm.

Travel in the X and Z axes are 290mm and 750mm, respectively, and rapids are 20m/min in X and 24m/min in Z.

Included in the specification is the Q-setter for automatic determination of tool offsets, to eliminate the need for trial cuts, measurement and offset input.

Options include a parts-catcher for bar feed applications, high-pressure coolant and swarf management.

Automatic work co-ordinate setting is available through direct input of depth of cut at the CNC.

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