Product category:
CNC automatic lathes
News Release from: DMG (UK) | Subject: Sprint 20/32 Linear CNC sliding head auto
Edited by the Manufacturingtalk Editorial
Team on 03 February 2003
Time to consider linear motored CNC
autos
The manufacturer of a new sliding head CNC automatic, intended to compete head-on with cam-autos and CNC sliding head types, uses linear motor on the longest axis to shorten work cycles.
The new automatic CNC lathes, Sprint 20/32 Linear by Gildemeister Italiana offer the perfect combination of productivity and flexibility in the area of short turned parts up to 33mm diameter - regardless of whether simple or complex parts are to be machined For the short length pieces up to 33mm diameter in small and medium series batches, the Sprint Linear 20/32 set new standards and oust single spindle cam automatics
This article was originally published on Manufacturingtalk on 21 Jun 2001 at 8.00am (UK)
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Use of linear motor provide high acceleration of 1G and high rapid traverses up to 30m/min, while offering maximum precision using direct measuring systems.
An 'intelligent' machining concept uses integrated spindle motors on the main- and the counter spindle combined with a Y-axis and a linear tool carrier and 9optional) driven tooling for each spindle.
Consequently the most complex parts can be machined using up to 3 tools on six axes simultaneously.
Further reading
Gildemeister lathe programme covers all
The lathe programme run by the GILDEMEISTER group has now become so extensive that there really is no machining job any more that these machines cannot do.
Conventional lathe has digital drives
The world innovation - the NEF 320 K - a conventional lathe with navigator system rounds off successful NEF product line.
In all, 24 tools are available.
Simultaneous turning can be carried out on the main spindle and opposed spindle.
The counter spindle removes parts from the work area after finishing, so reducing idle times.
Bar feed takes place simultaneously with work piece ejection.
The Sprint 20/32 Linear uses drives and the series18l from GE-Fanuc.
The innovative control technology of the servomotors and the digitally controlled drives guarantee faster process calculation, better precision and an enhanced transmission rate.
The CNC uses a Windows operator interface, so programming is much simplified.
Simple functions for automatic programming and work process simulation support the operator.
In addition, the integrated software to monitor tool wear and the automatic readying of replacement tools maximise production safety, even for difficult to machine materials and large series production.
The Sprint 20/32 Linear have 5+ 2 and 6+2 driven axes and a maximum bar capacity of 20 and 33mm respectively.
Main spindle and counter spindle speeds are 10,000 (20) and 8,000 rpm (32), drive power is 3.7/5.5kW and 5.5/7.5kW, Z-axis is 80mm and 120mm, fixed tools are six and five and driven tools four and three.
Drive power on the counter spindles is 2.2/3.7 and 3.7/5.5kW.
Each machine has 4+4 and 5 stationary tools and 2+3 and 3 driven tools serving the counter spindle.
Slide 'Y2' on the Sprint 20 Linear holds 3+4 fixed tools and 3 driven tools.
Both machines have 1G axis acceleration and 30m/min rapid traverse .
(This was Manufacturingtalk's Top Story on 31 January 2003).
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