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Moulding trimming press is all-electric
A
Krauss-Maffei (UK) product story
Edited by the Manufacturingtalk editorial team
Nov 21, 2006
An all-electric press with integrated punching dies can be used for the trimming of instrument panels, centre consoles and door trim mouldings for the automotive industry.
At the Euromold 2006 in Frankfurt (November 29 to December 2, 2006, Hall 8, Booth J164) Krauss-Maffei will be showing the Electric TrimStar, its new all-electric punch press.
Presses with integrated punching dies are used mainly in the production of instrument panels, centre consoles and door trim for the automotive industry.
The Electric TrimStar incorporates functional concepts that Krauss-Maffei has tried and tested in its all-electric injection moulding machines.
For instance the drive systems: two servo drives with precision drive spindles ensure a load-independent forward stroke of the ram.
The spindle drives are engineered for a life of six million load cycles and absolute reliability.
Rigorous endurance tests confirm these figures.
Even after many thousand load cycles, the spindle nut shows only a minimal temperature increase.
The drive concept ensures an optimal power flow in a very compact machine.
The machine height has been significantly reduced and its footprint is 25% smaller.
The two servo drives are controlled in parallel to ensure the required synchronization for operating punch dies.
This eliminates the need for the complex mechanical synchronization.
All-electric drives make control of the punching process more precise and repeatable.
Punching speed is set completely independently of the travel; this contrasts favourably with hydraulic presses.
Another advantage is that, in punching through, the ram does not impact on the zero levellers.
Tooling up an all-electric machine is far easier thanks to the control capabilities of the drives.
The Electric TrimStar sets new standards for low power consumption and environmental impact.
Power consumption is half that of a hydraulic machine.
Operation is very quiet.
Shorter ram speed-to-zero strokes result in better ergonomics for loading operations.
The characteristics of the spindle drives eliminate the need for a safety device, but a safety clamp is provide for maintenance purposes.
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Contact Krauss-Maffei (UK)
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