The five-axis Heckert X compact series is complete: In addition to the Heckert X50 available since April 2022, Starrag launched the larger versions Heckert X70, X80, and X90 in April 2025. They replace the successful products HEC 630 X5 and HEC 800 X5 and expand their known application range: With the Heckert X90, machining of larger workpieces is possible. The new Heckert X70 will be showcased at EMO 2025 in Hannover: at the Starrag booth in Hall 12, C93.
With pallet sizes of 630 x 800 mm (Heckert X70) and 800 x 1000 mm (Heckert X80 and X90), the new 5-axis horizontal machining centers are suitable for the complete machining of large components, which can indeed be heavy. The loading capacity of the 'New' ranges from 1,000 kg (Heckert X70) to 2,000 kg in the case of the Heckert X90. Accordingly, the focus is on five-axis heavy machining of gearbox housings and cylinder heads, axles, valve and pump housings, planetary gear carriers, as well as machine components such as pallets, spindle boxes, and spindle frames.
The special feature of the new machining centers is the reduced footprint due to their compact design. The Heckert X70 requires a full 18 percent less floor space than its predecessor, the Heckert HEC 630 X5. Similar space savings can also be demonstrated by the other models in the X series. Despite the compactness, the user does not have to make any compromises on the workpiece side. The working space and interference contour have remained the same, as have the permissible workpiece weight and workpiece height.
Furthermore, turning as a technology is an integral part of the machine concept and can be configured optionally. Thanks to specially developed assemblies and software modules, classic and complex turning operations can be implemented with the unparalleled productivity of a machining center.
Advantageous compared to a lathe are the options for setting up the machine. Clamping occurs not only conveniently vertically but also main-time parallel through the pallet changer. On the tool side, all variants of the large tool magazines can be used, and in the working space, turning diameters of up to 1,400 mm are possible (Heckert X90).
Unchanged, Starrag implemented the typical Heckert characteristics: The machines are robust, powerful, fast, and exceptionally precise and reliable over the years. Like all new compact machining centers from Chemnitz, the new Heckert X70, X80, and X90 also rest on a compact, vibration-dampening machine bed made of gray cast iron. Together with the thermally symmetric stand, it ensures very high mechanical basic accuracy, to which, among other things, scraped guides contribute. Thus, the software only needs to compensate for the 'dot on the i'.
The new Heckert X70, X80, and X90 are based on the comparable machine sizes of the four-axis Heckert H series. Instead of the NC rotary table used there, the models of the X series feature a robust rotary tilting table – a proprietary development that is also manufactured at the Chemnitz Starrag plant. The tilting unit not only has two equally sized bearings but is also thermally stable. This enables the machines to dynamically and completely process demanding components from five sides.
Particular attention was paid by the developers to the compatibility of the pallets of the new Heckert X70, X80, and X90. They are interchangeable with those of the H series. The pallets of the older Heckert HEC 630 / 800 X5 machines can also be reused on the new X models.
Another forward-looking point: All machines of the five-axis compact series are equipped with the current SINUMERIK ONE control system, with new hardware and faster sensors. They are also easier to automate than their predecessors. This is supported by an expanded 13-channel clamping hydraulics as well as optimized standard interfaces for pallet storage systems and robot cells.
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