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2008 Northwood SW-127 CNC SawJET. There approximately 815 cutting hours (Power on= 4189 hrs/ operating hrs= 980 / Cutting hrs=815). Seller says this machine is in great operational condition and is well maintained. Machine is under power and can be inspected in operation. Also included in the Slabsmith software package with photostation (valued at 32k). General info: CNC SawJET Abrasive waterjet technology has proven to be a viable strategy for the stone fabrication industry. Northwood developed an innovative abrasive waterjet technology specifically to meet the unique requirements of the stone industry. The SawJETô product line combines the application flexibility of abrasive waterjet technology with the cost efficiency of the bridge saw. The result is very simple; parts produced with a SawJETô cost less to produce than the same parts produced on traditional abrasive waterjet machines. Northwood SW-127The SW-127 SawJETô is a patent-pending all-in-one abrasive waterjet and 360-degree programmable saw designed specifically to meet the needs of the stone countertop industry. This technological breakthrough in the world of abrasive waterjet machines provides fabricators with a faster, more cost-effective solution for processing slab materials. The SawJETô product line is part of a vertically integrated solution that takes advantage of the technologies created for Northwoodís CNC stone machining centers and their industry-leading StoneVisionÆ, StoneLaserô, and StoneScanô software packages. The way the SawJETô operates is revolutionary. Most stone countertops are shaped in such a way that they have many straight lines. The saw head on the SawJETô rotates 360 degrees and is fully programmable, which enables the saw to make straight cuts in any direction on the slab. Straight edges can be cut five to six times faster with a saw blade than with a traditional abrasive waterjet and without the high operation cost of conventional machines. The SawJETô also enables the fabricator to machine small granite or quartz parts without the use of backer boards or plastic or rubber bumpers, which can compress and cause stone to crack. The NW-127 features a single table configuration and a 50 Hp abrasive waterjet with a standard 10 HP saw (a 15 HP saw unit is a standard option). The saw unit is capable of running 10î to 14î saw blades. As with all Northwood Machine Manufacturing Company machines, the SawJETô features the industry-leading GE Fanuc control system, cast-iron drive systems, zero-backlash, ground ballscrews with rotating nut technology, and zero-hassle support. KMT IntensifierHow Waterjet WorksThe energy required for cutting materials is obtained by pressurizing water to ultra-high pressures, and forming an intense cutting stream by focusing this high-speed water through a small, precious-diamond orifice. There are two main steps involved in the waterjet cutting process. First, the ultra-high pressure pump or intensifier pressurizes normal tap water at pressure levels up to 60,000 psi (4,137 bar); to produce the energy required for cutting. Second, water is then focused through a small precious diamond orifice to form an intense cutting stream. The stream moves at a velocity of Mach 3, three times the speed of sound, depending on how the water pressure is exerted. The process is applicable to both water only and abrasive jets.
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