EDGE2S: HIGH QUALITY SURFACE FINISHES FROM MAKINO
DDM and HQSFTM
Makino’s line of "S" series die sinker EDM machines utilize Diffused Discharge Machining (DDM) Technology to produce High-Quality Surface Finishes (HQSFTM). DDM uses an environmentally safe powder additive that is mixed with the dielectric fluid to improve electrical conductivity for more consistent discharging and spark diffusion, eliminating secondary discharges that waste energy. This diffusion provides a smaller crater for superior finish without a loss in metal removal rates.
January, 1999-The EDGE2S, Makino’s approach to automated, high precision EDMing, comes equipped with a 10-pallet magazine (PM10). Makino’s EDGE2S utilizes Makino’s new High-Quality Surface Finish (HQSF TM) technology to achieve superior speeds and finishes. HQSFTM uses a powder additive that is mixed with the dielectric fluid to improve electrical conductivity for more consistent discharging and spark diffusion. This diffusion provides a smaller crater for a superior finish without a loss in metal removal rates.
In addition to HQSF TM, the EDGE2S features an innovative servo design that offers rapid traverse rates of 196 ipm-five times faster than typical CNC EDM machines. In addition, high speed technology for deep rib machining, developed in conjunction with the new servo, allows the EDGE2S to achieve faster machining rates and superior finishes.
"One of the main ideas in the design of the new machine," says John Shanahan, Makino Die/Mold Product Specialist, "was to automate even one-off production, minimizing down time caused by costly setups." This was realized through the PM10 pallet magazine, which makes possible the pre-setting and automatic loading and unloading of electrodes and workpieces.
The EDGE2S with PM10 offers numerous advantages to customers looking for automation, says Shanahan. The PM10 can change 10 in. square pallets with part loads weighing up to 88 lb. Depending upon the application, an operator can load an entire cycle of electrodes and workpieces on a single pallet.
"The benefits that can be achieved in productivity and machine utilization will be of special interest to anyone who values their time," says Shanahan. "Though pallet changing of EDM machines is only now becoming an issue here, it has become widely accepted in Europe and Asia for the ’production’ of plastic injection molds."
He says that the EDGE2S incorporates many of Makino’s standard features, such as a programmable "Drop Tank" with zero fill time, to further enhance automatic pallet changing. "And its 12 x 10 x 10" travels make the EDGE2S ideal for small molds, or for inserts for medium sized tools," Shanahan adds.
Makino is a global provider of advanced machining technology and application support for the metalcutting and die/mold industries. Makino manufacturing and service centers in the United States, Germany, Japan and Singapore are supported by a worldwide distributor network.
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