EMO Hannover back in September 2011 saw Yamazaki Mazak launching two new series’ of Variaxis multi-tasking machines, both offering high levels of productivity and performance. The Variaxis i-series, which is available in four different models, offers full simultaneous 5-axis machining and is designed for productivity and accuracy across a range of sectors from aerospace and automotive, through to medical and power generation. The full cast structure and gantry design configuration ensures optimum rigidity and accuracy with no Y-axis overhang. Accuracy is further improved through the use of roller gear cam technology on the A/C-axis, with linear scale feedback and linear roller guides for enhanced positioning and reduced friction.
Cooled ballscrews ensure thermal stability and an Intelligent Thermal Shield (ITS) recognises and adapts to changes in the ambient temperature, automatically compensating to maintain accuracy. The i-series is also equipped with Active Vibration Control (AVC). Intelligent machine functions, such as ITS
(Intelligent Thermal Shield) and AVC appear throughout the Mazak range of machines. Mazak claims that the i-series has the largest machining envelope for this class of machine, for example the Variaxis i-600 has a maximum workpiece size of 700mm by 450mm. Expanded Y- and Z-axis strokes, of 910mm and 510mm respectively, reduce the potential for collision interference. An extended range of compact design rigid spindles provide excellent milling performance from 12,000rpm to 30,000rpm depending on the machine variant, which extends the range of potential applications for which the i-series can be used. There will also be a choice of C-axis table configurations to match application needs, with a roller gear cam, which is fitted as standard, or the option of a direct drive for turning operations. The i-series is capable of rapid tool change with a chip to chip time of 3.4 seconds and an ability to select up to 120 tools. Alongside the Variaxis i-series, Mazak has also introduced the Variaxis j-series – an entry level machining centre that makes 5-axis machining capability accessible to even the smallest machine shop. The j-series delivers 5-axis machining with a
4+1 configuration which enables users to reduce set-up times and improve productivity, accuracy and to reduce part cost. The machine has a compact spindle design to minimise workpiece interference and an A-axis bridge design to maximise support and rigidity during machining. The j-series also has a large workpiece capacity (500mm by 350mm) whilst retaining a compact footprint of only 1,900mm by 3,060mm.
The j-series is equipped with a 12,000rpm spindle, with 18,000rpm also available as an option and rapid traverse rates of 30m/minute on the X-, Y-, and Z-axes. High rigidity and improved accuracy are delivered through the use of linear roller guides fitted on the X-, Y- and Z-axes, roller gear cam technology on the A-axis and a double end supported tilting table. An 18 tool storage capacity is standard with the option of a 30 tool magazine if required. The i-series is equipped as standard with the new Mazatrol Matrix 2 CNC which has improved hardware, software and field network capability. The j-series comes with the Mazatrol Matrix Nexus CNC. Both Matrix controls simplify programming tasks through the use of
intuitive Mazatrol conversational programming techniques. When compared to ISO programming, the Mazatrol system typically reduces the number of lines of code by up to 89%. As well as running Mazatrol conversational style programs all Matrix 2 and Matrix Nexus controls can also run standard EIA/ISO type programs. An optional Siemens 840D sl control is also offered on the Variaxis i-600. Mazak’s commitment to ergonomic design is highlighted with improved accessibility to
the table, large front windows on both machines offering excellent visibility into the machining area, and an adjustable CNC pendant for ease of operation.
Both series’ also benefit from the incorporation of a number of environmental technologies including LED lighting, greased roller linear guides and an optional power consumption monitor.
Amdale ‘the one stop professional engineering service’ have a prismatic machining facility with 3D, 4 axis and 5 axis to accommodate workpieces up to 1020mm x 510mm x 500mm. High speed machining, linked to off-line CAD/CAM ensure accurate and efficiently engineered components delivered to you on time, every time.
to discuss your requirements or visit our website for details of our services.
We also offer CNC Turning, EDM Wire Erosion, EDM Spark Erosion & EDM Hole Drilling and machine to stringent tolerances in a variety of materials including tungsten carbide, stainless steel, titanium, nimonics and certain ceramics.
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An important new range of universal head 5-axis machining centres has been added to the metalcutting portfolio of 2D CNC Machinery complementing the Toyoda Mitsui Seiki and MAP ranges of machines by extending the company’s application capability of using premier league equipment in
standalone machine, cell and systems engineering. Says director David Holden: “The A- and B-axis universal head, rotary table design of the Swiss built Reiden machine range extends our solution providing capability in milling and boring with the flexibility provided by a multi-face approach to a component. The universal head combines the advantage of a horizontal and vertical machining centre with totally simultaneous and integrated operational techniques that provide the most viable production method for certain applications.” The Reiden range of three
different styles of machine has not been available in the UK before but has seen many applications in aerospace, mould and die and specialist machining operations throughout Europe.
The range comprises the RX10, the RX18 launched at EMO in Hannover and the BFR, which has three variants: the 22, 23 and 24. According to the machine type, working
capacities are up to 4,000mm in X, 1,200mm in Y and 1,500mm in Z. Table loads can be up to 11 tonnes, spindle power up to 187kW with speeds up to 24,000rpm and a massive level of torque available up to 1,576Nm. All machines can be specified with either Heidenhain or Siemens controls.
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