Rush Job
Former job shop finds success manufacturing custom gears with "impossible" lead times.
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Molding a Niche
Moldmakers represent a challenging niche market for the cutting tool industry.
Abrasive Lessons: General Industry Coverage
Understanding the fundamentals and possibilities of grinding, part 1.
Quality’s Hidden Costs: General Industry Coverage
An examination of deburring and the cost of poor quality.
Parting Know-How, Part 2: General Industry Coverage
Understanding parting-off operations
The Sweet and Sour of Parting-Off Operations
Understanding parting-off operations.
Under Development: General Industry Coverage
Examined are four recent developments in cutting tool coatings: "smooth" diamond coatings, which incorporates that are nanometer-sized; a process that deposits diamond on carbide substrates via a laser; highly lubricious coatings for dry-machining operations; and a patented system for "locking" conventional coatings together.
Farewell to BUE: General Industry Coverage
A new drill point geometry developed by a tool and cutter grinder. The through-coolant drill is ground in such a way that a hollowed out chamber on the face of the tip retains coolant in the cutting zone while hydraulic forces that are created push fluid to the cutting edge.
Enhanced Performance: General Industry Coverage
The use of compacted graphite iron is continuing to grow, particularly for automobile castings. The benefits of CG iron vs. gray cast iron are its ability to handle heat better and better machinability. The author gives an overview of the material's characteristics and discusses feed-and-speed considerations when machining CG iron.
Tool, Mold & Die City
Meadville, Pa., and the area surrounding the city are home to approximately 150 precision tooling and machine shops. The article explains why this city of 14,000 is such a hotbed of precision machining and entrepreneurship.
CNC Lathe Options: What to Know Before Upgrading from Manual
A look at the various types of CNC lathes available to shops contemplating stepping up from a manual machine. The pros and cons of the following lathes are discussed: combination, cutoff, slant-bed, twin-spindle and turn/mill. The author also touches on available options.
Plugging In: Turning Performance
A new turning tool emits an electric signal when its insert reaches a predetermined wear point or breaks. Called Sensor Tool, sections of the coated insert are ablated by a laser, thereby creating an electronic circuit.
