CNC Turning

Turning is a machining process in which a non-rotating cutting tool moves linearly while the workpiece rotates causing a perfect cut in a cylindrical shape. As the working piece is rotating with a high RPM, the cutting tool only needs to move straight on the X and Z axis.

Our CNC machines / lathes are fully computer controlled with the ability to move the head along the X and Z-axis. This makes it possible to create for example grooves in metal blocks or cone shaped work pieces. Thanks to our wide range of milling tools, the milling precision and efficiency is much higher compared to alternative milling equipment.

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Multi Turning

CNC-lathes are capable of creating complicated operations in a clear and easy-to-use user interface. Multi-directional turning must be done with tooling equipment specially developed for that purpose, making it possible to perform complex single-bit profiles and grooves. Multi-directional turning tables are using tools which can be perform both axial and rotational movements.

Normal tools have difficulty in absorbing the forces upon axial turning. By using special indexable inserts, the deflection that occurs during longitudinal rotation is corrected. The indexable inserts is in the loaded position (when rotated) in the correct position, resulting in a freewheel. This deflection must be corrected otherwise deviations on the product diameters arise.

Sometimes it is more interesting and depending on the availability of the machines to process the product on a combination of turning and milling machines to shorten the delivery time.

Turning Possibilities

Turning is especially interesting when longer cylindercal shaped work pieces needs to be processed. Lathes are faster compared to milling machines while offering the same quality and precision. The big advantage of CNC turning is that roundings, cones and threads are easy applied to the work piece.

Some examples of metal turning products are cylinders, piston rods, screw axes, steering pipes, mill axles, and rollers. Contact us to hear what SMI can do for you!

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DIMENSIONS

Our CNC-lathes can handle work pieces with a maximum cutting-diameter of 648 mm and a cutting-length up to 1118 mm. This gives SMI Verspaning the possibility to turn even the largest work pieces with the highest precision. When turning is no option, milling can create extreme complex products. Our 80P duoblock can mill products up to 1250 mm in lenght making the largest products with the highest precision. Our new 60P duoblock can mill products up to 900 mm and is equiped with a large amount of different tools.

For more complex projects, work pieces can first be processed on our turning machines and further tooled in our milling machines. When for example curved lines are needed, our 5 axis simultaneous milling machine can create the required slopes and angles.

Our Machinery

SMI Verspaning has a several fully computer-controlled turning machines with automatic tool changing system, in order to be able to process multiple projects at the same time. In addition to the possibility to create a wide range of forms, several products can be processed at the same time to speed up the delivery time. All lathes at SMI deliver the same precision and are many times more efficient than alternative options. Read more about our machinery.

Brand	Tools	Dimensions
Haas SL-30	12	432 x 964 mm
Haas ST40	12	648 x 1118 mm
Haas SSY30	12	584 x 1054 mm
Seiger SLZ400 E		400 x 1000 mm

SMI’s management quality control system and in-house measuring system makes sure that every product is delivered to the highest standards. That is why many suppliers trust SMI with the production of their equipment or parts. At SMI Verspaning it does not matter what the size or amount of the final product is, all products are delivered with the same precision and quality.

REFERENCES

Welded constructions

Wishbone suspension parts for an all terrain transportable vehicle. The combination of welding and milling created a strong durable structure.

Perfect Cylindrical

Turning is especially interesting when large cylindrical shaped work pieces needs to be processed. Turning machines are faster compared to milling machines.