Product category:
Vertical machining centres (VMC)
News Release from: Mori Seiki UK | Subject: Machining centre packages
Edited by the Manufacturingtalk Editorial
Team on 23 March 2001
M-C packages suit individual mould and
die needs
Mori Seiki has considerably simplified the matching of a machining centre package, based on its new SVD vertical machining centres, to a user's individual mould and die requirements.
Machining centre packages suit individual mould and die needs Pollard Mori Seiki has considerably simplified the matching of a machining centre package, based on its new SVD vertical machining centres, to a user's individual mould and die manufacturing requirements As well as providing a choice of standard and optional machine spindle packages, Mori Seiki offers a choice of CNC hardware and software
This article was originally published on Manufacturingtalk on 5 Jun 2001 at 8.00am (UK)
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For a Mori Seiki SVD series vertical machining centre, users can select from three packages the CNC machining and programming system to suit their individual business operations.
For example, the simpler package would apply to the machining of hot forging dies, or a more complex package would suit the more precise and tighter toleranced machining for injection-moulding or metal die-casting tooling.
Also, Mori Seiki offers a variety of options to upgrade the initial CNC package chosen.
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Package A includes high precision contour control functions and a data server.
Package B has a contour control function and data server.
Package C contains a contour control function and a remote program buffer storage.
The high precision Package A CNC unit includes look-ahead functions to achieve and maintain better control over machined surface for shape accuracy.
The functions include forward feed, cornering, arc-forming, and control over acceleration/deceleration before an interpolation-milling feature commences.
Interpolation is based on NURBS to produce high surface reproduction in workpieces such as, for example, turbine blades, pump impellers and waveguides or precise injection-or die-casting moulds.
Package B would suit the hard or soft machining of die steels for power press tooling, and closed-die press forging or the rough- and semi-finish machining of precision dies and workpieces.
Package C is designed to work with a remotely located mainframe PC or buffer memory unit for the (trickle) or (drip) feed of large amounts of data during the longer more complex, multiple form-machining cycles.
The packages are offered on Pollard Mori Seiki's new SVD series of vertical machining centres.
The machining centre is available in two sizes: the SVD 403 and the SVD 503.
Capacities are, respectively, 600 by 430 by 460mm and 800 by 510 by 510mm, for X, Y and Z travels of the machining head.
The machining centre is of moving table design.
The machining head is mounted on a massive fixed column and traverses in the Z-axis.
The table, moving in the X-axis, is mounted on a massive carriage which traverses in the Y-axis on the machine bed.
Working surfaces of the tables are 900 by 500mm for 500kg load and 1100 by 600mm for a 1000kg load.
The extra rigidity and stability provided by the design allows roundness of an interpolation-milled circular feature, 110mm diameter and a milled surface flange face of 20mm depth, to be held to 2.8microns.
Material is A5052 tool steel.
The cutting conditions are based on using a 20mm, four-fluted solid carbide end mill at 5000 rev/min and a feedrate of 2000mm/min.
The main spindle can be supplied with 12,000 rev/min or 20,000 rev/min and BT-40 nose for the SVD-403 and SVD-503/40 and 6000 rev/min or 10,000 rev/min and BT-50 nose for the SVD-503 and SVD-503/50.
Feedrates are up to 32m/min and 42m/min respectively.
The automatic toolchanger with tool change times below 4sec, chip-to-chip, serves a disc-type tool magazine of 30, 40 or 60-tool capacity.
The tool magazine is mounted on the column alongside the machining head.
Standard spindle packages include the choice of various spindle powers and rotation speeds, including 22/18.5kW at 12,000rev/min, 10,000 rev/min or 6000 rev/min or 18.5/15kW at 20,000 rev/min.
In terms of metal removal rates, the SVD-403, for example, will remove 605cm3/min in a face-milling operation on medium carbon steels.
Cutting conditions are based on using an 80mm diameter face mill, with seven tungsten carbide inserts, at a spindle speed of 1000 rev/min.
Cutting feedrate is 2100mm/min.
Standard and optional features for upgrading the machining centre packages include through spindle air blast, workpiece and tooling sensors, direct scale feedback, through-spindle coolant system and four types of chip conveyor. Request a free brochure from Mori Seiki UK ...
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