HMC for Medium to Large Parts

SNK America, Inc. (Elk Grove Village, IL) offers the high-powered, ruggedly built Niigata HN80D horizontal machining center for efficiently and reliably machining medium to large parts in a wide range of materials.

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SNK America, Inc. (Elk Grove Village, IL) offers the high-powered, ruggedly built Niigata HN80D horizontal machining center for efficiently and reliably machining medium to large parts in a wide range of materials. Featuring traverse rates of 1,181 ipm and feed rates of 592 ipm on heavy-duty box ways, the HN80D quickly machines parts. Full 50 hp cuts are achieved through an advanced (2) range geared headstock. With only three rotating components, maximum power is transmitted simply and efficiently to the cutting tool. Large diameter ball screws, coupled direct to powerful AC digital servo motors, provide high thrust drilling and allow utilization of the latest tool technologies. HN80D spindles are as rigid as they are rapid. A large spindle diameter and a single piece, snout type head design ensures heavier milling capability and greater accuracy. Other features include heavy-duty box ways with hand-scraped mating members; massive columns and bed type (triangular rib structure) construction; and a spindle chiller unit that removes excess heat from the spindle and bearing housing. Oil temperature is controlled by a sensor in the machine base that adjusts the lubricating oil temperature relative to the machine’s thermal characteristics. This feature reduces thermal displacement of the spindle and provides consistent accuracy during machining. In addition, the stand-alone ATC of the HN80D does not transfer vibration, or compromise precision, to the spindle during tool selection. For exceptional reliability, the spindle bearings of the HN80D are constantly lubricated using an oil injection system. This not only maximizes bearing life, but also minimizes preventative maintenance downtime.