Product category:
Abrasive machining - manual and CNC machines
News Release from: Mori Seiki UK | Subject: Taiyo Koki IGV 3NT Vertical Grinding Machine
Edited by the Manufacturingtalk Editorial
Team on 24 January 2002
Vertical workhead simplifies handling on
grinder
Placing the production grinder's workhead in the vertical position simplifies component handling on the compact Taiyo Koki IGV 3NT Multi-Process vertical production cylindrical grinding Machine.
Placing the production grinder's workhead in the vertical position simplifies component handling and makes the set-up and centring of the workpiece easier on the compact Taiyo Koki IGV 3NT Multi-Process Vertical Grinding Machine In one chucking, the IGV 3NT will perform internal, external and face grinding on a workpiece in one set-up and to very close tolerances down to 1 micron
This article was originally published on Manufacturingtalk on 5 Jun 2001 at 8.00am (UK)
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A grinding spindle turret carries internal and external grinding spindles, which the CNC system indexes very quickly between external and internal grinding operations.
Taiyo Koki has paid close attention to the rigidity and ruggedness of the IGV 3NT, says Pollard Mori Seiki, which is introducing the machine to the UK market.
Designed for production grinding of components up to 200mm diameter by 150mm long and a maximum swing of 300mm diameter, the machine very quickly executes internal, external and face grinding cycles using a fast indexing grinding spindle turret.
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A substantial three-way guideway system, which supports the longitudinal travel of a moving column, provides theSVL5020 long-bed VMC with plenty rigidity for the high speed milling.
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The machine can bring into play a high speed, internal grinding spindle with a programmable speed range of 9,000-75,000 rev/min, using pinwheels 11.5-95mm diameter.
A second grinding spindle is for external grinding and facing, using a programmable wheel speed range of 2,400-3,700 rev/min and a wheel of 355mm diameter by 65mm face width.
Drive power is 3.7kW.
The 2.2kW workhead, located on a substantial X-Z worktable on the bed of the machine is at a comfortable operator reach height and has a programmable speed range of 40-800 rev/min.
A precision, pneumatic 250mm chuck is fitted.
The workhead has a load capacity of 100kg.
The worktable traverses are 460mm for X-axis and 400mm for the Z-axis.
Traverse rates in both axes are steplessly variable, 0-16m/min.
Grinding feed rate is 0 - 16m/min.
Fitted as standard items are a rotary diamond cup wheel dressing attachment.
Wheel dressing is carried out using a 50mm diamond cup wheel at up to 10,000 rev/min.
Taiyo Koki has designed the IGV 3NT with a massive box structure to ensure rigidity and vibration damping during grinding.
The grinding spindles are oil-cooled and oil-air lubrication is fitted as standard.
Optional extras include in-process and post-process work probing, and automatic load/unload equipment.
Ergonomics have also received special attention; the vertical workhead is easily accessible, at a comfortable working height.
The operator can easily load and unload parts very quickly, when compared with workhandling on a conventional horizontal spindle production grinder.
Automatic workloading, accessing the work area through the left-hand side of the machine, is much simplified when compared with loading a traditional horizontal machine.
The CNC is Fanuc 18i-T with full automatic programming, operator prompts and graphic displays of the grinding process sequences chosen.
Programming is in increments down to 0.0001mm, Included are linear and circular interpolation, oscillation, traverse, multi-cut, plunge-cut and taper grinding features as well as wheel dressing routines.
Summing up, Taiyo Koki has designed a very compact, rugged, production grinder capable of combining grinding processes and offering a very comfortable operator working environment. Request a free brochure from Mori Seiki UK ...
(This was Manufacturingtalk's Top Story on 23 January 2002).
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