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Manufacturing Engineering: April 2021

The April 2021 edition of Manufacturing Engineering is available as a digital magazine. Links to individual articles are below.
Production-volume metal AM parts being produced for the Rolls-Royce Ghost. It is one of the applications discussed in Wohlers Report 2021.

Growing AM Industry Shows its True Mettle in COVID-19 Pandemic

April 1, 2021
Over the past decade, additive manufacturing (AM), also known as 3D printing, has continued to grow and solidify its place within private industry, academia, and government.
By Noah Mostow Wohlers Associates, powered by ASTM International
Terry Wohlers Principal, Wohlers Associate, Inc.
By Terry Wohlers Principal, Wohlers Associates, powered by ASTM International
Boeing and Thermwood employed AM technology to produce a large, single-piece tool for the 777X program. Thermwood used a Large Scale Additive Manufacturing (LSAM) machine and Vertical Layer Print (VLP) 3D printing technology to fabricate the tool as a one-piece print, eliminating the additional cost and schedule required for assembly of multiple 3D printed tooling components.

Where is Aerospace AM Flying to Next?

March 16, 2021
If you’re following the additive manufacturing of aerospace components, you’re probably tired of hearing about printing fuel nozzles for GE’s LEAP engine, or sensor tubes for the GE 9X—two key metal applications.
Ed Sinkora
By Ed Sinkora Contributing Editor, SME Media
The MR-J5 main lineup from Mitsubishi Electric offers performance, predictive maintenance capabilities, functional safety, and CC-Link IE TSN connectivity.

The Electrical Heart of Manufacturing

March 18, 2021
The machines that make our world continue to advance. Six-axis CNC milling machines, seven-axis robots, collaborative robots, and smart presses are more powerful than ever, with micron- level accuracy.
Bruce Morey
By Bruce Morey Senior Technical Editor, SME Media
Routinely checking turret and spindle alignment is an important part of any machine tool maintenance routine.

If it Ain’t Broke, It May Need Fixing!

March 22, 2021
Some shops think routine machine tool maintenance is overrated. Bad idea. The big order’s running late. The lead programmer called in sick.
Kip Hanson
By Kip Hanson Contributing Editor, SME Media
Daniel Anderson operating PPR’s Electromechanical Assembly Press (EMAP) from Promess. The EMAP uses a servo-driven precision ballscrew ram and has force and position sensors to provide feedback to the controller.

Intelligent Assembly Helps Auto Part Remanufacturer Compete

March 24, 2021
When an automotive starter needs to be replaced, it’s very likely that the most expensive components—the armature, commutator or gears—are still functional, or can be restored economically.
By Joseph Neubauer Application Engineer, Promess Inc.

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    From Failed Builds to Innovative and Economical Designs

    March 25, 2021
    One of the challenging aspects of additive manufacturing technology adoption is how to conceptualize and create part designs that are optimized for function and manufacturability.
    By Mihaela Vlasea, PhD - University of Waterloo, SME Member Since 2015

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