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LAGUN FUTV 125 Turret Milling Machine
Reference: 	FR115
Model	FU TV 125
Serial number	39421
YOM	1996
Travels (mm)	X850 Y290 Z475
Reference: FR115 Model FU TV 125 Serial number 39421 YOM 1996 Travels (mm) X850 Y290 Z475 Ram ...

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Hexagon automates complex six-axis production of large, heavy parts

Posted on 13 Jul 2021 and read 885 times
Hexagon automates complex six-axis production of large, heavy partsNew computer-aided-manufacturing (CAM) technology recently introduce by Hexagon’s Manufacturing Intelligence division makes it possible to efficiently use complex six-axis milling machine tools to produce large parts for a variety of industries and applications.

The specialist programming tools provide accurate simulation and generate efficient six-axis toolpaths to ensure that the advanced machinery can be used to its full potential for increased productivity.

The ability to machine components of any size in a single operation increases efficiency, but it is especially beneficial when machining large parts because it eliminates the need for the labour-intensive repositioning of heavy and cumbersome workpieces.

Ideal for cutting large components, six-axis machine tools are often used to produce parts that can measure 3m or larger in diameter, including jet-engine containment cases that ensure passenger safety or parts for the energy and marine industries.

The new tools introduced in Hexagon’s Edgecam software focus on six-axis machines equipped with two rotary axes on the head and one rotary table, where this sixth axis enables milling tools to machine all sides of a large part, including areas that are otherwise impossible to reach without repositioning workpieces.

The new dedicated six-axis tools provide greater toolpath control and more accurate simulation of processes, reducing the need for expert intervention on the shopfloor, improving the utilisation of advanced machinery, and avoiding the risk of costly damage.

Miguel Johann, product and market manager at Hexagon’s Manufacturing Intelligence division, said: “The ability to perform seamless ‘one-and-done’ operations with six-axis machinery enables manufacturers to produce massive and often quite challenging components without the burden of under-utilised machinery or over-reliance on expert intervention.

“You may have the most sophisticated machinery in the world, but without software that can harness its strengths, it can be very difficult – If not impossible – to reap its true potential.”

Edegcam improvements also provide greater flexibility for five-axis milling by offering tools that allow computer-numerical-control (CNC) programmers to select the level of automation they prefer when creating toolpaths.

Using these tools, CNC programmers can choose to automate toolpath generation, manually create all toolpaths, or generate toolpaths using a combination of automated and manual tools.

Complex toolpaths

The ability to customise programming preferences increases control over exactly how parts are machined, helping users cut programming time on tasks that are simple to automate and making it easier to work more closely with complex toolpaths when needed.

Productivity is also improved with rough grooving operation optimisation that eliminates unnecessary machine movement, resulting in a reduction in cycle time of up to 60%. When enabled, the configuration ensures that the system will recognize the shape of irregular stock when needed.

By taking the true shape of stock into account, the software helps users to avoid the generation of surplus toolpaths that lead to unproductive ‘air cutting’ when the program is sent to the machine tool.

Edgecam now makes it easier to execute helical toolpaths, offering manufacturers tighter and more efficient machining than is offered by the ramp approach, and opportunities to extend tool life with smoother and less damaging operations. Users need only define a minimum helix value for roughing operations, then the software ensures parts are cut using a helical tool pattern and the toolpath will not revert to a ramp approach.

Computer performance optimisations also now significantly reduce programming time, generating roughing toolpaths two to three times faster than previous software for both wireframe and solid models.

Waveform turning ensures that cutting tools maintain constant engagement with material, as well as a constant chip load to extend tool life, but can result in long NC code programs. A new option reduces the amount of numerical control (NC) code generated by up to 75% by converting line segments into fitted arcs that require less NC code to program.

Users benefit from smoother waveform toolpaths and therefore machining, and faster executed code that is also shorter so that it runs effectively on older machine tools.

Interoperability with Hexagon’s CAM portfolio benefits Edgecam users working with three-axis milling operations. They can now test and optimise programs in Hexagon’s NCSIMUL Essential machining simulation software.

Full machining assemblies, including tooling data, are imported directly into NCSIMUL Essential, where the programmer can dynamically interact with toolpath, identify code being simulated, interrogate and measure workpieces, and compare and analyse stock.