Grinding (Surface, Cylindrical, Tool & Cutter)

News • September 3, 2020

Technology helps grinder meet exacting specs

Tooling manufacturers must machine tools to cut an evolving array of materials from exotic metals to composites and meet ever-more exacting tolerances and produce more complex shapes and radii.

Products • September 1, 2020

HiTech Rotary-Dress Diamond Dressing Rolls

Rotary-dress diamond dressing rolls feature highest repetition accuracy at lowest dressing costs. Recommended for high-precision components such as bearing tracks, valves, gear wheels, turbine blades or turbochargers. Precision diamond dressing rolls HiTech rotary-dress are manufactured in the following versions, depending on the machining task.

Articles • July 28, 2020 • Jeffrey A. Badger, Ph.D.

Finding the source of chatter

The Grinding Doc offers a simple test to determine the cause of chatter.

Products • July 21, 2020

SintoGrind HSS-X 1400 Grinding Fluid

SintoGrind HSS-X 1400 is suitable for flute-, thread-, profile-, internal and external cylindrical grinding of steel materials such as HSS, PM and medical steels. SintoGrind HSS-X 1400 is low foaming, prevents surface burning, inhibits burr development, is low misting and offers excellent filterability.

Videos • July 16, 2020

Vollmer VHybrid 360 for grinding & eroding

Do you want to grind carbide tools and erode PCD tools with high productivity? The new VHybrid 360 from Vollmer of America Corp. combines the strengths of an innovative grinding machine and a proven, powerful erosion machine.

Videos • July 11, 2020

Episode 103: Cylindrical grinding relief

Dr. Jeffrey Badger provides a simple, if not pretty, solution to a nasty cylindrical grinding problem — when the side of a grinding wheel meets a flat surface. Watch the 103rd episode of the Grinding Doc video series.

Articles • July 2, 2020 • Christopher Tate

Learn the ins and outs of centerless grinding

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

News • June 19, 2020

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.

Videos • June 15, 2020

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.

News • May 30, 2020

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.

Videos • May 25, 2020

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.

Products • May 20, 2020

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.