Tag: design

Device Numbering Methods: A Poll

Recently I was involved in a discussion on the best method of numbering and labeling devices for systems and machinery. I have used several different methods in the past, depending on customer preference and the type of application; these methods

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Posted in Automation Concepts, Controls Design, Machine Design, Process, Techniques Tagged with: , , , , ,

Fuses

Continuing the topic on motor control circuit design I started a few weeks ago, today’s topic is on fuses. Last week we discussed circuit breakers: these are circuit protection devices that can be reset when a fault such as a

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Posted in Circuit Protection, Controls Design, Panelbuilding, Vendors and Manufacturers Tagged with: , , , , , ,

Motor Control Design

Today’s topic is in response to Saravanan who posted a request last week on my “Panel Layout and Electrical Design” post of about a year ago. He asked “Thanks for the post. I want to learn about designing control circuits

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Posted in Controls Design, Motors and Actuators Tagged with: , , , , , , ,

Raytheon Missile Material Handling Application

In my previous life as a project engineer at Wright Industries (a Doerfer company), I worked on some projects that I couldn’t talk much about, being either government-related or potentially breaching confidentiality agreements. The project discussed in this post was

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Posted in Applications, Engineering, Machine Assembly and Fabrication, Material Handling Tagged with: , , , , , , , , , , ,

Excel – Automate your Automation

Probably the most useful tool I have in my arsenal when doing preliminary design is Microsoft Excel. In many of the projects I have worked on over the last couple of years since I left Wright, the company I was

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Posted in Automation Concepts, Controls Design, Engineering, Productivity, Software & Programming Tagged with: , , , , , , , , , ,

CAD and Wire Numbers

Today’s topic concerns an area that affects engineers, technicians and sometimes even office personnel and yes, management. A major part of building anything involves accurately designing and describing the thing that is to be built. If all of the required

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Posted in CAD, Controls Design, Panelbuilding Tagged with: , , , ,

Product Development

Last week I had the privilege of sitting in a doctor’s exam room for about 45 minutes with nothing to do. Next to me was an exam table (not the one shown above…) that brought back some old memories. Back

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Posted in Engineering, Machine Assembly and Fabrication, Machine Design, Product Development, Vendors and Manufacturers Tagged with: , ,

Misuse of Tools

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Posted in Engineering, Lean Manufacturing, Life Tagged with: , ,

Emergency Stops and Guard Circuits

Before the implementation of safety standards as defined in the machinery directive and OSHA the single channel circuit on the left was often used for most machines regardless of the hazard level. In the 1990s several events led to the

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Posted in Automation Concepts, Controls Design, Safety Tagged with: , ,

Panel Layout and Electrical Design

I had planned on writing a bit about my meeting with the publisher last week, but I received a comment on a post from about a year and a half ago on Controls Specifications. Doug asked me to cover a

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Posted in CAD, Controls Design, Panelbuilding Tagged with: , , , ,