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Star PTG-1 Hob Sharpening and Tool Reconditioning Star Cutter has expanded the PTG line and designed an affordable solution for hob sharpening and in-house tool mainte-nance. The PTG-1 sharpens both straight and spiral gash hobs and is a low-cost alternative to sharpening hobs on our UTG machines. Additionally, the PTG-1 sharpens dish and helical shaper cutters and a wide range of round tools.Contact Star to learn how you can lease the latest grinding technology, software, warranty, service and support.
10HP Grinding Spindle8” x 10” Hob CapacityLow Profile Pneumatic TailstockTraction Drive HeadstockWheel Truing SpindleHobs, Shaper Cutters and Round Tools HSK Quick Change ToolingNew Triple Stylus Probing
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Above: The Star Cutter triple stylus probe locates features on a wide range of tools.
Left: Locating the face of the flute prior to grinding
Above: The PTG-1 axis layout
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The Star PTG-1 features quick change tooling to accomodate a broad range of tools including:Standard hobsShank hobsShaper cutters, and Round tools
Star SU LLC, Hoffman Estates, Illinois
Star SU LLC5200 Prairie Stone Parkway, Suite 100Hoffman Estates, IL 60192 USATel.: 847 649 1450Fax: 847 649 0112e-mail: [email protected]
Quick Change Tooling Solutions
Star Cutter Co., Farmington Hills, Michigan
Star Cutter Company Elk Rapids EngineeringMachine Tool Technology210 Industrial Park DrivePO Box 728Elk Rapids, MI 49629-0728 USATel.: 231 264 5661Fax: 231 264 5663e-mail: [email protected]
Star Cutter CompanyPO Box 37623461 Industrial Park DriveFarmington Hills, MI 48335-2855 USATel.: 248 474 8200Fax: 248 474 9518e-mail: [email protected]
Machine capacity PTG-1Maximum workpiece diameter 200 mm Maximum workpiece length 250 mmA - axis workhead spindle rotation 125 rpmB - axis grinding spindle swivel 16 rpmX - radial travel work spindle slide 300 mmY - vertical travel tool head slide 285 mmZ - axial travel tool spindle column slide 500 mmGrinding spindle 10 HPMaximum grinding spindle speed 10,000 rpmMaximum grinding wheel diameter 254 mmSmallest programmable movement: linear .0001 mmLinear axis glass scale feedback resolution .00001 mmSmallest programmable movement: rotary .0001 degreesRotary axis feedback resolution: A-axis .0000001 degreesRotary axis feedback resolution: B-axis .0000005 degreesMain dimensions, base machine (l x w x h) 2.88 x 3.44 x 2.55 mTotal weight, base machine 3,900 kg
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