Product category:
5-axis (3+2 axes and continuous path) machining centres
News Release from: Emco Famup | Subject: Linearmill 600 HD 5-axis vertical machining centre
Edited by the Manufacturingtalk Editorial
Team on 17 October 2006
VMC has 5-axis operation, linear motors
Linear motor powered axes drives are used in a 5-axis vertical machining centre, using a pivoting/rotating table fitted with torque motors, for machining medium sized workpieces.
On the occasion of the 25th Italian Bi-Mu exhibition, EmcoFamup presented its new 5-axis milling centre 'Linearmill 600 HD' The machine offers to cut medium-sized workpieces simultaneously over five axes by the use of a pivoting- rotating table fitted with torque motors, linked with the three cartesian axes driven by linear motors
This article was originally published on Manufacturingtalk on 26 Jan 2006 at 8.00am (UK)
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The machine structure is of a classical floor-type.
The geometrical design of the sides keeps the distances between spindle nose and linear guides very much contained in order to reduce deformation to a minimum.
The X carriage is designed in such a way, that the thrusts generated by the continuous magnetically attraction of the linear drive, stressing on the shoes, are distributed uniformly on the three cartesian directions to attenuate the axis movement.
The headstock is also equipped with pneumatic weight compensation and an emergency brake system, which keeps the headstock in its original position in case of sudden voltage drops.
Furthermore the X-Y-Z axes are fitted with pressurized optical scales.
The back coupling system of the rotating axes however consists in absolute encoders, fitted directly on the axis of motion.
The standard set-up of the machine includes the following.
* Automatic tool-change magazine, random type, with double tool-change arm and 40 stations (optional 60).
* Motor spindle, max.
speed 15.000 rev/min, spindle taper HSK63 A.
Maximum motor power (S6) 35kW with 120Nm torque at 2.800 rev/min.
Optional motor spindle 30.000 rev/min with maximum power (S6) 26kW.
The rapid traverse speeds are about 60m/min, with 1G acceleration (X-Y-Z).
The rotating axes (axes B and C) are designed to reach speeds up to 100 rev/min on the table axis and up to 50 rev/min on the tilting axis, with maximum load of 600kg.
The motor spindle and all axes motors (linear-rotating) are liquid cooled by a chiller placed on the outside of the machine cabinet.
The machine is equipped with a chip tank with extractable drawer for manual cleaning, a chip conveyer is available as option.
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