Last summer, DISA (www.disagroup) introduced its latest vertical molding system, the DISA 231. Nearly four years after the introduction of its New Generation series of vertical molding machines, the technology continues to offer high output with precision, reliability, low maintenance, and improve the working environment.
The initial line of vertical molding systems offered a new, more rigid mechanical design, a greater range of mold sizes, fewer moving parts, PLC, and standardized components as just a few of its benefits. Since 2003, over 100 systems have been placed in foundries worldwide, establishing a reputation that has carried over to the 2007 editions.
“A lot happens over four years,” explains Per Ejdorf, v.p. of sales and marketing with DISA. “The latest addition to the New Generation family (DISA 231) raises the bar even further when it comes to performance and quality.” The DISA 231 can produce up to 500 uncored vertical molds in an hour, with a machine-dependent mismatch of no more than 0.10 mm. Among some of the new features:
- • Redesigned automatic mold conveyor (AMC) — It features larger thrust bars and active braking, using the same integrated control system as the molding machine, enabling superior control of the mold string.
- More robust hydraulics — Its simplified but enhanced, sound and reliable mechanics combine with state-of-the-art electrical control to enable consistently high output of castings at an even lower cost per mold.
- Cutting-edge monitoring and control — It uses updated control system hardware that enables straightforward pre-setting and adaptation of all production parameters for fast pattern changes, without compromising speed or quality.
The standard features include double-side mold squeezing; individual positioning of pattern plates in the chamber; an enhanced sand-shot system; fewer moving parts, for less wear and maintenance due to load reductions; and in-chamber spray for enhanced workplace air quality, as well as helping to prevent wear on pattern plates.
The DISA APC makes it possible to change patterns quickly, for higher productivity and flexibility, which “sets new standards for foundries producing short runs with frequent pattern changes by enabling pattern change in as little as 60 seconds,” according to Ejdorf.
According to Bob Leffler, general sales manager with DISA Industries in Oswego, IL, interest in the DISA 231 has been very high since the introduction. “We have several existing customers in North America looking to upgrade their older DISA models with the new DISA 231,” Leffler indicates.
Excerpted from FM&T November 2007 issue, pg. 12.