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The new Yamazaki Mazak VARIAXIS C-600 simultaneous 5-axis vertical machining centre.

Yamazaki Mazak has unveiled a new high-accuracy simultaneous 5-axis vertical machining centre, the VARIAXIS C-600, suitable for a wide range of sectors, including the aerospace and automotive markets.

The C-600, which is the successor machine to the highly successful VARIAXIS j-600/5X, is being marketed at a highly attractive price point to provide a high performance and cost-effective 5-axis solution.

The VARIAXIS C-600 is characterised by its highly agile performance, with no compromise on rigidity. The compact machine, capable of machining workpieces up to Ø730 mm x H450 mm and 500 kg in weight, has been designed with a large machining envelope and a high-rigidity structure featuring a Ø600 mm fully supported trunnion table with roller gear cam on the B- and C-axes. Exceptional high-speed performance is delivered with 42 m/min rapid traverse rates in the X-,Y- and Z-axes, and a chip-to-chip time of just 4.5 seconds to reduce non-cutting time for faster cycle times.

Most importantly, the new VARIAXIS comes with a class-leading range of specification options, enabling machine users to configure the C-600 to match their specific application.

The machine’s high-rigidity spindle can perform heavy-duty cutting of steel, as well as the high-speed machining of other non-ferrous materials such as aluminium, as it can be configured with four different spindle options. These range from a 12,000 rpm standard spindle, up to 15,000 rpm high-torque option, or 18,000 rpm high-speed and 20,000 rpm high-power spindles. In addition, the new VARIAXIS features a 30-tool magazine as standard, complete with double arm automatic tool changer which can drastically reduce chip-to-chip times. Alongside this standard specification, 60, 90 and 120 tool magazine options also available.

The C-600 also employs Mazak’s SmoothAi Spindle function, featuring AI adaptive control (patent pending) that suppresses milling spindle chatter by intelligently adjusting cutting technology based on feedback from sensors built into the machine.

The modularity of the C-600 also extends to the variety of coolant packages that are available for different applications up to 70 bar pressure. Dedicated iron, aluminium and composite, and casting machining packages are also available as options.

As well as offering excellent operator access and ergonomics, the VARIAXIS C-600 has been designed to integrate easily with a range of automation solutions, such as MPP and PALLETECH. Optional extras such as a side loading door, and preparation for hydraulic and pneumatic fixture interfaces are also available to support bespoke automation projects with articulated robots. Integration of automation is further enhanced with the new Smooth RCC (Robot Cell Controller) adding advanced capabilities, such as tool and fixture capability check, tool set-up and fixture set-up, while the Robot Setup Assist enables efficient programming of the robot in the same co-ordinate system as the machine.

The latest VARIAXIS is equipped with SmoothAi, Mazak’s new artificial intelligence control, which has in-built learning capability to continually improve machine performance. SMOOTH MACHINING CONFIGURATION PLUS allows operators to easily adjust features including cycle time, finished surface and machined shape on the CNC display according to material requirements. This is especially effective for complex workpieces with contours defined in small program increments. Specific settings can be saved and stored to allow them to be easily used for future cycles.

The Smooth Project Manager also allows for easy management of data required to execute machining programs such as tool data, fixtures, coordinates, parameters and workpiece 3D models. Further machining accuracy is guaranteed by the new Ai Thermal Shield function, which uses algorithms to automatically determine the volume of compensation needed according to changes in temperature.

Yamazaki Mazak Ltd

Yamazaki Mazak is the world’s largest manufacturer of computer controlled (CNC) metal-cutting machines. With over 260 different models, the Mazak product range includes CNC lathes, machining centres, multi-tasking machines and flexible manufacturing systems as well as laser processing machines.

Machine tools are called “Mother Machine” because they relate to the manufacturing of almost every product around us and are very important in supporting the base of “world manufacturing.” Our mission as a machine tool maker is to enrich people’s lives and contribute to society by developing and providing high performance machine tools that can produce high accuracy work in a short time.

We were among the first to start foreign production as a Japanese machine tool maker. Following the establishment of Mazak Corporation in the USA, we expanded our production base worldwide to include the UK, Singapore and China, as well as further expanding our Japanese manufacturing operations. We are the only machine tool maker to have established a global production system. With these local plants, we have been able to provide high quality service and have built strong relationships based on mutual trust with customers from all over the world.

True to the Yamazaki principle of supporting the customer locally, Mazak’s European Manufacturing plant, in Worcester UK, opened in June 1987 and was immediately recognised as the most advanced machine tool manufacturing plant in Europe. The factory has expanded three times since then and now offers over 29,000m2

This is a complete machine tool manufacturing plant. Mazak machines the components that go to make its spindles, turrets, tool magazines and Mazak even manufactures its own sheet metal covers. As with all Mazak manufacturing plants, the most rigorous practices and Kaizen programmes ensure continuous improvement.

Serving all of Europe’s markets, more than 80% of the machine tools built in Worcester are exported from the UK into Europe. More than 17,000 Mazak machines have been manufactured here so far and this number continues to grow every day.

Mazak European Manufacturing Plant is recognised for its factory automation, technology and overall management practices. Selected as one of the “Top Ten Companies in the World” by the Swedish Royal Academy of Science and Technology underscores this worldwide reputation.

As with all Mazak factories, this facility comprises a variety of flexible manufacturing systems, consisting of machining centres, multi-tasking CNC lathes, and a sheet metal FMS – all designed for unmanned operation.

The plant benefits from highly skilled employees who are committed to continuous improvement through the 25 “Kaizen” teams in operation.

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