Grinding

Learn the ins and outs of centerless grinding

07/01/2020

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Any machinist probably has heard of centerless grinding, but it is an obscure process often only familiar in name.

Next-generation grinding software cuts turnaround time in half

As a specialty toolmaker, Dew Tool Grinding Services Inc. always has relied heavily on the software of tool grinding machines.

Episode 102: Workpiece fatigue

For the 102nd Grinding Doc episode, Dr. Jeffrey Badger covers the impact that thermal softening, residual tensile stresses and rehardening burn have on fatigue life in steel workpieces.

Retrofitting instead of replacing: How used machines become like new

Junker Group's RETROFiT service provides many benefits for customers by modernizing used machines and bringing them up to the latest technical standards. Compared with purchasing a new machine, RETROFiT supplies savings of up to 60%. Renault Portugal SA took advantage of this program and opted to retrofit two Quickpoint cylindrical grinding machines.

Episode 101: Cup wheel grinding

Jeffrey Badger, Ph.D., takes a detailed look at the impact different grinding approaches have on cup wheel wear in the 101st episode of the Grinding Doc video series.

GT-610 EZThrufeed Grinding Machine

the GT-610 EZ has the ability to produce G-ratios that can exceed those of machines twice its size. When running super abrasives, a variable frequency drive on the work wheel spindle is available to increase wheel surface feet.

Rollomatic Inc. appoints chief operating officer

Mundelein. The Rollomatic Group is pleased to announce the appointment of Joe Kane as COO for both entities, Rollomatic Inc and Strausak Inc.

Walter Helitronic Raptor Diamond

Developed especially for the re-sharpening and production of rotationally symmetrical PCD tools, the Walter Helitronic Raptor Diamond is particularly well-suited for shops that do not require features such as automatic tool support systems or automatic grinding wheel/electrode changers, but still need a high degree of flexibility in the working area for diverse types of tools. This ensures that manufacturers have access to Walter quality with exactly the features they need for part-production and re-sharpening success.

Chatter Chat

In the 100th episode of CTE's Grinding Doc video series, Dr. Jeffrey Badger discusses his least favorite subject—chatter.

About Jeffrey Badger, Ph.D., and 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, Badger routinely receives questions about grinding from shops all over the world. Through the magazine column and this video series, he provides shops with the insight and guidance they seek.

Walter Helitronic Raptor Tool Grinding Machine

The new Walter Helitronic Raptor from United Grinding Group is a flexible, cost-effective tool grinding machine. Created for the grinding and re-sharpening of rotationally symmetrical tools for the metal and wood industries, the new Helitronic Raptor offers both automation-ready flexibility and an economical, universal design.