CTE
Resources
Curated machining knowledge, tools, and pathways — organized by purpose.
MFGAxis — Buyer’s Guide
Company listings, capabilities, certifications, and specialties — organized for buyers and engineers.
Machining References
Curated technical references for machinists and engineers.
Machining Calculators
Feeds, speeds, formulas, and shop calculators.
Wire
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Hypertherm
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Roll
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Molybdenum
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Vericut
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Siemens
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Turnkey
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Robotmaster
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Tap
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Broaching
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Makino
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Acme
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Tapping
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Case Hardening
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Insert Geometry
Insert identification, lead angle, indexable insert geometry, and selection references.
Boring
Boring heads, U-axis systems, contour boring, and setup references.
Cutting Forces
Cutting-force formulas, machining power, chip load, and speed/feed references.
Workholding
Workholding strategy, zero-point clamping, fixturing, and setup efficiency.
Threading
Threading calculators, tapping guidance, thread milling, and related tooling.
Authors
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Glossary
Definitions of machining and manufacturing terms.
Machining Fundamentals & Tooling References
Core explainers and shop-floor references for speeds, feeds, forces, insert identification, heat treatment, and cutter geometry.
Process Spotlights & Manufacturing Systems
Inspection, automation, digitalization, and application-specific reads that complement the core machining references above.
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Latest articles, videos, products, and news from across CTE that fit the same machining-learning path.
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Aluminum can be hard to drill, despite its easy rep
When drilling, perhaps no variable is as important as the workpiece material. It dictates drill geometry and substrate, tool coating, coolant application, and speeds and feeds. While known for its relative softness and ductility, misconceptions abound among those who regularly drill aluminum.
A machine for dry grinding gears
Italy-based Samputensili S.p.A. unveiled a machine that eliminates the need for cutting oils when manufacturing gears, thereby reducing grinding costs. During grinding, oil-based lubricants cool the workpiece, as well as reduce friction and help evacuate chips. On the downside, however, oil use accounts for a significant amount of a grinding operation's total cost.
Form of solid carbide harder than diamond
Researchers at North Carolina State University reported the discovery of a distinct form of solid carbon they estimate is about 10 percent harder than diamond and could play an important role in machining. They also claim to have developed a relatively inexpensive technique for producing the substance, called Q-carbon, at room temperature and ambient atmospheric pressure.
Ring in New Year with new site
We at Cutting Tool Engineering celebrated the New Year by unveiling a major overhaul to the design and functionality of our website, ctemag.com. Sporting a bright new design with larger text and images, ctemag.com is not only easier on the eyes, it's also easier on the fingers thanks to new navigation and search functionality.
Gripping threaded parts: Medical Manufacturing
Cutting external threads is one of the more difficult machining operations. Achieving the proper thread form can be challenging, and tool chipping and premature tool wear are often problematic because of insufficient surface speeds and high cutting pressures.
Avoiding machine crashes
Everyone crashes, I was once told. It's likely true. However, not all crashes are created equal. There are fender benders that just break small tools, and then there are head-on collisions that ruin much more—including your day. CNC machine crashes are relatively easy to avoid. They often occur during setup and debugging.
One machine, two processes
Additive and subtractive manufacturing may be conceptual opposites, but a new partnership aims to show that the two can make a good team. Two of the partners are New York organizations: the Rochester Institute of Technology (RIT) and Elmira-based Hardinge Inc. RIT researchers are incorporating additive-manufacturing capabilities into Hardinge's Bridgeport GX 250 5-axis vertical machining center.
Dressing with PCD: General Industry Coverage
Ask the Grinding Doc: When I ran out of single-point dressing diamonds and got desperate, I mounted a PCD insert to dress an Al2O3 wheel. Is there any danger in doing that?
The power of relationships: People & Companies
With 2015 being a year of changes and volatility in our market, the importance of strong, supportive business relationships was made even clearer. Longtime business associates became friends, and new business relationships formed with former employees who stayed in touch, neighbors, contacts made through my local chamber of commerce and even my brother's gym-workout partners.
Toolcraft plans further expansion
MBFZ toolcraft GmbH, Georgensgmünd, Germany, recently announced that it has secured extra site space for future expansion at its Handelsstraße site, according to a Feb. 8 company news release. Toolcraft, which has manufactured precision parts made from metal and plastic for 27 years, said its expansion plans are the result of steadily increasing demand.
FlyMarker mini
The FlyMarker mini, a battery operated hand-held dot peen marking system, weighs 2.7 kg and is designed for durable markings of big and unmovable work pieces directly on-site, according to the German company Markator, which produces industrial marking systems.
GTI PowerReader
GTI Predictive Technology, Manchester, N.H., today announced the immediate availability of GTI PowerReader, the latest tool in the GTI Predictive Technology Tool Box. The GTI PowerReader allows users to optimize machine cycles to help increase output and avoid new capital equipment purchases, according to a GTI Predictive Technology news release.
