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Fortron UK Ltd
307 Ecroyd Suite
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Lomeshaye Business Village
Nelson
BB9 7DR
t: 01282 607893
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| Huron MX4 | Range: MX, Type: 5 Axis Machine | |
Description
Featuring a fixed gantry, which is cast and heavily ribbed to absorb machining forces and to remain stable during the high speed axis travel movements of 60 m/min in X, and 120 m/min in YZ, the Huron MX 4 offers two rotational axes and a 400 mm2 pallet on a moving table which passes through this portal-like structure.
With the clear guarding, the configuration of the direct drive two-axis rotary design will show the level of detail applied by Huron. While other 5-axis machine tools rely on a mechanical drive for one or both rotary axes, in the form of a worm and gear, the torque motors used by Huron negate any backlash errors, adding to the overall accuracy of the machine. The two-axis rotary unit provides an A-axis (tilt) of -45° to +180° and a continuous C-axis (rotary), with both controlled in 0.001° increments.
The continuous rotation of the C-axis at up to 100 rpm means that with the spindle locked on, over or under centre, turning operations can be carried out as well as traditional intermittent cutting (milling) operations.
Having an interface between the two rotary axes set at 45o not only provides class-leading rotary motion but also allows the tilting of the machined part for exceptional swarf clearance. This reduces the risk of re-machining any swarf trapped in a cavity, which is detrimental to tool life, and also aids minimum lubrication - and even dry machining – operations with substantial cost and environmental benefits.
With 40 Nm of torque, the 25 kW, 100 - 24,000 rpm direct drive electro-spindle has a HSK 63-A tool taper, which provides face and taper contact for rigid seating of the tool holder and, therefore, a more predictable and repeatable positioning of the tip of the cutting tool. The spindle is equipped with a vibration monitoring system, which operates in two stages. The first provides an alarm to warn of a potential issue, and the second shuts the machine down. Twin 400 mm2 pallets keep spindle idle time to a minimum, with a pallet changing time of just 12 seconds and a maximum load of 250 kg. This level of productivity is also supported by the 36-station chain-type tool changer, which is capable of accommodating tools 70 mm diameter by 250 mm long and weighing up to 5 kg each. Chip-to-chip takes just 3 seconds.
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Specification
X Axis (Moving Table) = 750mm
Y Axis (Sadle) = 700mm
Z Axis (Headstock) = 500mm
A Axis (Table) = -45°/ +180°
C axis table rotation angle = 360° (continuous)
Max. Feedrate = 60 m/min (X)
= 120 m/min (Y/Z)
Accuracy = 4um
Repeatability= 2um
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