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Mix 'n' match pieces for custom turning machine.

Ratio-Nal line turning machines from Index Corp, Shelton, CT, are designed using a "building block" system that lets users choose the components they need to build a machine to match their application and budget. The modular machines, which are available in slant bed and chucker basic configurations, represent a new approach for Index, one that lets customers maximize price-performance ratios for specific applications.

The machines are not offered in model types or with options. Instead, customers have the opportunity to select from an array of component modules and configure the most cost-effective combination for their needs without paying for unneeded extras. Index says the machines' high cost efficiency is not a tradeoff between productivity and price, but rather enhances productivity by incorporating innovative machines technology.

All the machines, for example, use AC spindle and axis drives that reduce idle times and allow traverse rates of 800 to 1200 ipm. A patented spindle drive features a spindle or counterspindle fully integrated with the motor, eliminating the need for drive gears or pulleys and belts. Other features include a turret system that allows 180-deg indexing in less than 0.4 sec and multiple-axis control, including Y and B axes.

The slant-bed Index G200 has a 16" turning length. Users can choose from bar capacities of 1 3/16", 1 5/8", or 2 3/8" and chuck sizes of 5" to 7". Other features that can be customized to meet specific application requirements include:

* Manual or automatic tailstock;

* One (two-axis machine) or two (four-axis machine) 14-station tool turrets;

* Pickup spindle and three-station backwork tool carrier;

* Y and B axis capability on the upper turret allows complex machining without driven tools;

* Maximum spindle speeds of 5000 or 7500 rpm, and spindle drives to 30 hp;

* A counterspindle with power and speed the same as the main spindle in place of the tailstock.

The Index V200 is a self-loading chucker machine that uses a "moving" spindle to eliminate robot or loading arm part transfer mechanisms. The main spindle moves to the conveyor to pick up the next part and transfer it to the machine, reducing equipment costs and cutting load/unload time to 3 to 4 sec.

The unit's vertical spindle allows for good chip flow and removal and requires no flushing between workpieces. Tools are mounted gang-style in simple tool blocks under the turret; users who need more tools or driven tools can select a 14-station turret from the modular building block system. Spindle drive is via the same air-cooled, hollow-shaft AC motor used in the slant-bed machines.
COPYRIGHT 1993 Nelson Publishing
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 1993 Gale, Cengage Learning. All rights reserved.

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Publication:Tooling & Production
Date:Sep 1, 1993
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