Grinding (Surface, Cylindrical, Tool & Cutter)

The drebojet®-plus, a new diamond dressing roll from Lach Diamond Inc, Grand Rapids, Mich., will make its debut at GrindTec, which is set for March 16-19 in Augsburg, Germany, according to a company news release issued today. The drebojet-plus is intended for contour-controlled dressing and profiling of grinding wheels.

AGATHON Machine Tools Inc. has introduced the new Leo Peri 4-axis grinding center for grinding the periphery of indexable inserts. Throughout product development, the Leo Peri design concept focused on achieving a smaller machine size, incorporating greater user friendly accessibility, maintenance free concepts, and overall superior machine strength enabling high process performance to meet both high production and peak quality standards for carbide, cermet, ceramics and PCBN applications.

A shop asks Dr. Jeffrey Badger, Cutting Tool Engineering magazine's "Ask the Grinding Doc" columnist, whether it's better to take several small, fast passes versus one large, slow pass when pinch-peel grinding tungsten-carbide shafts. Visit The Grinding Doc website for more advice from Dr.

Rollomatic Inc., Mundelein, Ill., recently promoted William "Mac" McKenna to regional sales manager for several key manufacturing areas in North America, according to a Rollomatic Inc. news release issued this month. Rollomatic builds CNC tool/cutter and peel grinding machines, as well as laser cutting machines.

A shop creep-feed grinding hardened steel using a water-based coolant kept running into trouble after grinding for a few hours. Everything would be grinding along fine, but then—WHAM—really bad burn would bring the job to a halt. And the burn wouldn't go away until the shop dressed the wheel again.

Samputensili offers a ground-breaking concept that totally eliminates the need for cutting oils during the grinding of gears after heat treatment. The new machine, which is called SG 160 SKY GRIND, features two spindles: one for skive hobbing and one for generating grinding.

Meister Abrasives USA Inc. in December 2015 added an advanced CNC manufacturing system to its lineup, making it possible for the North Kingstown, R.I., company to manufacture large diameter external wheels in the United States using equipment, materials and a manufacturing process identical to those used by its parent corporation in Switzerland.

Productive Times challenge: Effectively clean and cool grinding oil applied in latest-generation grinders. The solution: A filtration and chiller system that directly communicates with grinding machines.

Jeffrey Badger, Ph.D., fields a question from a shop getting "terrible burn on the shoulder" when cylindrical grinding steel parts with a straight plunge.

The opening of the new facility included a traditional Japanese Kagami-Biraki ceremony, where a barrel of sake is broken open with wooden mallets. Several customers, dealership representatives, city officials, Shigiya employees and other invited guests were present for the event.

Episode 64 of the Grinding Doc video series: When pushed to use a tri-grit wheel to cup-wheel grind tungsten carbide sawblade teeth, a shop turned to the Grinding Doc for some guidance. About the Grinding Doc Video Series: Thanks to his work as an independent grinding consultant and the author of the "Ask the Grinding Doc" column in Cutting Tool Engineering magazine, Dr.