DPM on metal: Guidelines for improving direct part

01/23/2007


machine vision, machine control, asset management

Direct part marks can be hard to read on metal without proper quality guidelines, says AIM Global.

Warrendale, PA —Labeling metal parts with dot peening, laser etching, molding, or embossing is challenging, since there's often little or no contrast between the "marked" elements of a symbol and the background. Lighting and signal processing techniques help create contrast needed for machine vision or bar-code readers to decode a 3D code on metal. A new guideline document attempts to fill perceived gaps between existing print quality standards and the direct mark environment.

AIM Global , an association for automatic identification and mobility, announced publication of the Direct Park Mark (DPM) Quality Guideline on Jan. 10. Goal is to help manufacturers and their customers better manage assets as they move through the product lifecycle. Such marking could help an automobile manufacturer to target a few hundred recalls, rather than tens of thousands, for instance. The document was developed by a joint ad hoc committee of members of AIM Global's Technical Symbology Committee (TSC).

Praising the effort, Daniel P. Mullen, AIM Global president, says, "Direct part marking is quickly becoming a major component in aerospace, government and many other fields where parts or asset identification is critical. By successfully addressing the unique circumstances and environments presented by DPM applications, this AIM group has delivered a tool that can assist in understanding of and consistency in DPM marks and aid businesses utilizing this powerful technology."

The document, which addresses the problem of assessing and quantifying the quality of DPM symbols, was developed by the DPM Quality Work Group, a subset of AIM's TSC with additional participation from public and private sector representatives who make and read these marks.

Click here to find the full technical document at the AIM Store.

In April, Control Engineering reported that the second public draft was available for review until June 7. To read that story, click here .

For a Control Engineering tutorial on direct part marking, read:
" 10 Considerations for Direct Part Mark Identification "

Control Engineering Daily News Desk
Edited by Mark T. Hoske , editor in chief





No comments
The Engineers' Choice Awards highlight some of the best new control, instrumentation and automation products as chosen by...
Each year, a panel of Control Engineering editors and industry expert judges select the System Integrator of the Year Award winners.
The Engineering Leaders Under 40 program identifies and gives recognition to young engineers who...
Learn how to increase device reliability in harsh environments and decrease unplanned system downtime.
This eGuide contains a series of articles and videos that considers theoretical and practical; immediate needs and a look into the future.
Learn how to create value with re-use; gain productivity with lean automation and connectivity, and optimize panel design and construction.
Go deep: Automation tackles offshore oil challenges; Ethernet advice; Wireless robotics; Product exclusives; Digital edition exclusives
Lost in the gray scale? How to get effective HMIs; Best practices: Integrate old and new wireless systems; Smart software, networks; Service provider certifications
Fixing PID: Part 2: Tweaking controller strategy; Machine safety networks; Salary survey and career advice; Smart I/O architecture; Product exclusives
The Ask Control Engineering blog covers all aspects of automation, including motors, drives, sensors, motion control, machine control, and embedded systems.
Look at the basics of industrial wireless technologies, wireless concepts, wireless standards, and wireless best practices with Daniel E. Capano of Diversified Technical Services Inc.
Join this ongoing discussion of machine guarding topics, including solutions assessments, regulatory compliance, gap analysis...
This is a blog from the trenches – written by engineers who are implementing and upgrading control systems every day across every industry.
IMS Research, recently acquired by IHS Inc., is a leading independent supplier of market research and consultancy to the global electronics industry.

Find and connect with the most suitable service provider for your unique application. Start searching the Global System Integrator Database Now!

Case Study Database

Case Study Database

Get more exposure for your case study by uploading it to the Control Engineering case study database, where end-users can identify relevant solutions and explore what the experts are doing to effectively implement a variety of technology and productivity related projects.

These case studies provide examples of how knowledgeable solution providers have used technology, processes and people to create effective and successful implementations in real-world situations. Case studies can be completed by filling out a simple online form where you can outline the project title, abstract, and full story in 1500 words or less; upload photos, videos and a logo.

Click here to visit the Case Study Database and upload your case study.