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The rifle upper rail system allows the attachment of various accessories such as scopes, sights, and flashlights. Mounted on the top of the rifle, it needs to provide a stable platform for the accessories to be attached to, yet not add more weight than needed to the rifle. As such, many firearm manufacturers look to...
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A rifle barrel typically begins life as a cylindrical steel bar. The transition from steel bar to a full-fledged rifle barrel begins with a deep-hole drilling process as the initial step, where a long drill with a hollow stem and tungsten-carbide bit is used to drill the trued and stress-relieved bar.
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The SRT, or Super Round Tool, is a patented reamer designed by the Northern Tool division of Star Cutter Company to create the best quality reamed hole across a spectrum of applications. The SRT combines two tools into one – it offers multiple straight flutes for consistent location and multiple helical flutes that ensure roundness...
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The machining of powertrain components and aluminum prismatic parts, such as stator housings for the growing electric vehicle market, often require large and heavy tools. When used on traditional machining equipment, the weight of these tools can cause excessive spindle vibration and chatter, poor tool life and, potentially, scrapped components. Lightweight Solution:  Additive manufactured tools...
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Fixed Pocket PCD milling and interpolating tools are designed and built as a complete one piece product, combining a steel body and a holding interface. Additionally, PCD segments are brazed into the tool body. The PCD segments then go through the manufacturing process to meet the requirements of the finish tool geometries.  This type of product is known in...
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One goal of the H.B. Advantage is to save our customers time when machining our blanks.  By providing near net shape blanks, we can reduce the overall grinding time required to finish the blanks.  We do this by adding features such as diameters, flutes, pockets, flats, coolant holes, etc.   All machining is done in the...
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Star SU is currently involved in process improvement for machining the Upper Rail system for AR-15’s, AR-10’s and M-4 carbines with several independently owned contractors. Process improvement includes: Concentricity improvement (TIR) critical to non-critical bore Cycle Time Reduction Surface finishes of Ra ≤ 0.8 Typical current process: Rough Drill Ream non-critical bore End mill critical...
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Star Cutter Company manufactures rifle barrel making products including gundrills, push and pull reamers, and rifle buttons to geometrical quality with exceptional finishes.   We custom design and build these tools using our guidelines to achieve customer part requirements. We assign a unique tool number to every tool we produce with revision control, ensuring our customers...
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With the industries increased volumes, there is a need to reduce cycle times in machining the firing pin hole in gun bolts. This is what the Star SU process is looking to improve upon compared to the traditional process. The traditional process is outlined below: Pilot Tool Single Flute Gundrill Solid Carbide Internal Chamfer Gundrill...
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Elk Rapids Engineering a division of the Star Cutter Company and manufacturer of the Star brand of CNC tool and cutter grinders has been hard at work designing, testing, and refining their next generation (5) axis machine. Similar to Colonel Steve Austin in the science fiction movie Six Million Dollar Man, Engineers at Elk Rapids...
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Star Cutter Company has developed into a world leader in the cutting tool industry. Each of our six manufacturing facilities specializes in producing a specific type of product or service: solid carbide cutting tools, carbide blanks and preforms, gundrills, gear cutting tools, and 5-axis CNC tool and cutter grinding machines.


23461 Industrial Park Drive
Farmington Hills, MI 48335

Tel. 248-474-8200
Fax. 248-474-9518