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Corporate finance chiefs are concerned about a second wave of infections from the novel coronavirus (COVID-19), consulting firm PwC said.

Kyocera Precision Tools, Hendersonville, N.C., has expanded its jet coolant-through toolholder series, which provides multiple high-pressure coolant streams at precise locations providing excellent chip control and wear prevention, according to the company.

The National Association of Manufacturers said a survey shows that while optimism has dipped, manufacturers are staying open or have only temporarily closed operations because of COVID-19.

During times like these, editors turn to “tried and true” sayings to frame their opinion columns. One of these sayings is, “May you live in interesting times,” supposedly a translation of a traditional Chinese curse. The saying is used ironically, in that “interesting times” are times of trouble and difficulty.

Hainbuch America Corp., Germantown, Wis., offers a modular workholding system with maximum flexibility and designed for a wide range of part diameters, configurations and small quantities.

Unlike its name, the use of shrink-fit tooling is expanding. A shrink-fit toolholder starts with a slightly undersize bore that is heated to enlarge the inner diameter enough to accept a cutting tool and then grip the cutter as it cools and contracts.

Many job shops hold onto traditional, inexpensive tooling systems. ER collets and Weldon flats are tried and true; they work and are proven. At the same time, newer, advanced machining technology, such as multi-axis machines, may perform better when newer, advanced (and more expensive) toolholders are deployed.

There’s more than one way to finish a hole. The most effective option will depend on the number of parts, cycle time and tolerances. One of the most effective options is boring.

While the initial investment for a modular quick-change tooling system is higher than that of traditional toolholders, significantly improving the connection between spindles and tooling is well worth it.

February 2020 U.S. cutting tool consumption totaled $188.2 million, according to the U.S. Cutting Tool Institute (USCTI) and AMT – The Association For Manufacturing Technology.