Grinding

Grinding ceramic medical parts requires (diamond) grit, patience

06/05/2018

Author:

Grinding ceramics is unlike most other grinding operations. These superhard, brittle materials need a slow and steady hand.

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Getting a chatter diagnosis

06/10/2018

Author:

Jeffrey A. Badger, Ph.D.

Puzzled by the appearance of a choppy, spiral-shaped set of chatter marks showing up on a workpiece, a shop sought a diagnosis from Jeffrey Badger, Ph.D., who writes the Ask the Grinding Doc column in Cutting Tool Engineering.

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M18 FUEL 18V Large Angle Grinder

Milwaukee Tool announces the next breakthrough in M18 FUEL, a 18V large angle grinder. The new M18 FUEL 7”/9” large angle grinder generates the power of a 15-amp corded LAG, is up to 2 lbs. lighter than the leading corded unit, and features a 9” grinding capacity.

Gaining control of a Blanchard grinder

Blanchard grinding has typically been a manual process for many shops. The simplicity of a Blanchard makes the operation of the machine easy to learn and easy to run. The old dials and handwheels found on Blanchard grinders still work well and get the job done. However, there’s an even easier way to run a Blanchard through the addition of a CNC.

EWAG PROFILE LINE Grinding Center

UNITED GRINDING has unveiled its new EWAG PROFILE LINE, an indexable carbide insert grinding solution. Developed in a partnership between Ewag AG and sister company Walter Maschinenbau GmbH, the PROFILE LINE serves as an efficient grinding center for the advanced processing of highly complex interchangeable insert geometries and interfaces.

United Grinding Group celebrates flow assembly line launch

United Grinding Group AG held an event in its Kuřim, Czech Republic-based Walter Maschinenbau GmbH production facility to announce its new flow assembly line. Speakers included Walter CEO Jürgen Schock and flow assembly line project manager Markus Schulze, both of whom welcomed guests and introduced the new innovation prior to pressing a symbolic start button with the entire project team to launch the new line.

Vollmer of America Corp. hires Andrew Allwood

A rotary tooling development manager started March 19 and operates out of the office in Pittsburgh.

Walter Helitronic Power 400 and Helitronic Power Diamond 400

United Grinding Group offers its newly redesigned Walter Helitronic Power 400 grinding machine and Helitronic Power Diamond 400 grinding and eroding machine.

»contour-profiled« Diamond and CBN Grinding Wheels

Metal-bond profiled diamond and CBN grinding wheels are available for serial grinding of workpieces made of carbides, hardened steels and ceramics.Lach Diamond says its »contour-profiled« procedure is a cost killer in the best possible way. Previous grinding times with resin/hybrid-bond grinding wheels can be reduced by up to 60 percent.

Episode 88: Fish-scale chatter

Jeffrey Badger, Ph.D., CTE’s Ask The Grinding Doc columnist, explains the cause of what he calls “fish-scale chatter” in the 88th episode of the Grinding Doc video series. Fun fact, there are 4,312 different types of chatter.