Flexible machine concepts and innovative processes

Kellenberger and Weisser at AMB 2024 Flexible machine concepts and innovative processes

2024-09-30 Source: Press Release | Translated by AI 3 min Reading Time

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In Hall 10 at booth B81, Weisser and Kellenberger presented flexible machine concepts and innovative processes at AMB 2024: The lathe manufacturer Weisser showcased the newly developed eccentric turning unit "HOT V4", the horizontal 5-axis machining center Multicenter MTS 1200/8, and premium laser welding machines, while Kellenberger featured the universal cylindrical grinding machine Kellenberger 10.

The fully automatic laser welding machine HLA-M+ opens up limitless machining possibilities in medical technology with its cross table, rotary swivel unit, and joystick.(Image: Weisser) — The fully automatic laser welding machine HLA-M+ opens up limitless machining possibilities in medical technology with its cross table, rotary swivel unit, and joystick.
(Image: Weisser)

At AMB, the lathe manufacturer Weisser showcased the newly developed eccentric turning unit "HOT V4," which facilitates the eccentric turning of workpieces with complex geometries. The eccentric shapes are produced by interpolating the workpiece spindle axis with the diameter-generating feed axis of the tool. This process generates a radial, oscillating movement of the tool's cutting edge (8 mm stroke) with a highly dynamic oscillation drive. At maximum feed speed, an acceleration of 300 m/s² is achieved. The reinforced "HOT V4" and the variable arrangement of cutting edges now enable the production of free-form surfaces by turning on cylindrical and end surfaces.

The high-dynamic drive increases the performance capacity by up to 300 percent and makes turning non-rotationally symmetrical parts more economical than milling, especially in high-volume production. At the same time, it generates a first-class surface finish.

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Polygon shapes (shaft-hub connections) ensure extremely stable connections.(Image: Weisser)

The Kellenberger 10 is equipped with the cost-optimized Fanuc 0i-F Plus control with a 19-inch touchscreen and the innovative Blue Solution software, which allows even inexperienced operators to program quickly and intuitively.(Image: Kellenberger)

Weisser Multicenter MTS 1200/8 with integrated automation.(Image: Weisser)

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The module developed and patented by Weisser can be integrated into any Univertor machine for eccentric turning, including the Univertor V400 showcased at the fair, which covers a wide range of applications in medium and large series production of workpieces in all materials such as cast iron, aluminum, steel, or titanium. With two powerful disc turrets (four axes), the Univertor V400 allows for highly productive simultaneous machining. Working simultaneously with two tools reduces processing time, thereby lowering the cost per piece.

The modular design allows for a variety of processes such as eccentric turning, rotational turning, hard turning, internal and external cylindrical grinding, and gear cutting, all while ensuring the best surface quality on workpieces like brake discs, differential housings, stator housings, and axle drive wheels. The machine is standard equipped with an automation system featuring a drag-frame conveyor. Other automation solutions can be easily adapted through the integrated interface.

Integration of processes: Multicenter MTS 1200/8

At AMB, Weisser also showcased the horizontal 5-axis machining center Multicenter MTS 1200/8, which was developed for the complete machining of highly complex and precise workpieces from areas of mechanical engineering, electromobility, medical technology, and the aerospace industry.

The machine offers maximum process reliability and is characterized by high vibration damping, flexibility, and precision. The solidly designed basic mechanics in combination with 55 mm guides guarantee top performance for demanding applications in both hard and soft machining. In addition to classic turning, milling, and drilling, the Multicenter MTS 1200/8 can also perform process technologies such as rotational turning, skiving, hobbing, and whirling.

Weisser Precision Technology presents premium laser welding machines

At the Weisser headquarters in St. Georgen, under the label "Weisser Precision Technology," manual, semi-automatic, or fully automatic laser welding systems are primarily built for the medical technology sector. The modular Weisser-HLA systems are available in three variants, two of which are individually configurable, ensuring that the right system is available for each specific application. The semi-automatic and fully automatic versions, HAL-M and HAL-M+, allow for a wide variety of machining options with retrofittable components such as a cross table or rotary swivel unit. Each HLA system uses a high-quality Trumpf brand laser as the beam source, which is among the best on the market. At AMB, Weisser Precision Technology is showcasing the fully automatic laser welding system HAL-M+.

Kellenberger 10: Process reliability and high availability

Kellenberger showcased the universal cylindrical grinding machine, Kellenberger 10, a standard machine that can be customized with various options to meet specific customer needs and offers an excellent price-performance ratio. The machine accommodates a wide range of workpieces up to 100 kg in weight, with a center height of 200 mm, a center distance of 1000 mm, and generous X and Z-axis strokes of 365 mm and 1150 mm, respectively. It is characterized by high availability, process reliability, dependability, productivity, flexibility, and ease of retooling.

The maintenance-friendly high-precision linear guides on the X-axis and the V-flat slide guides on the Z-axis are equipped with linear displacement measurement systems. The B-axis is designed as an automatic indexing axis (1° Hirth coupling) with high positioning accuracy and a swivel range of +30°/–210°. For high productivity and flexibility, the universal grinding head can optionally be equipped with two external grinding wheels ø 500/400 mm. Powerful grease-lubricated high-frequency internal grinding spindles with direct drive are available in two speed ranges, 4000–40,000 rpm and 6000–60,000 rpm. The Kellenberger 10 is equipped with the cost-optimized Fanuc 0i-F Plus control with a 19" touchscreen and the innovative Blue Solution software, which allows even inexperienced operators to program quickly and intuitively.

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