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Obsolete Resolvers

The resolver is an integral part of industrial manufacturing today. Precise motor control has revolutionized the way we make just about everything in an industrial environment and the resolver, in many cases, is part of that system. When they operate properly, they provide us with a controlled motor operation. When they fail, they can leave us helpless in a costly situation on the shop floor. However, obsolete resolvers open up a new page in the book of down-time.

Resolver Troubleshooting Tips | Search eBay for Used Resolver | Resolver in our Forum


Resolver Troubleshooting

Fortunately, resolver problems can be fairly simple to diagnose, sometimes the bigger issue is finding a drop-in replacement for an obsolete resolver in an environment where ever-changing technology and design can phase out, or completely eliminate models from the available parts catalog annually.

For ease of use, accessibility, and available industrial Resolvers, we've been referring individuals to eBay. It almost seems too easy but we've found many old resolvers available that we thought we'd never find. Even after checking with larger parts houses, we still come back and check here regularly.

It is not unusual to find obsolete resolvers posted as a result of hard times at other manufacturing plants and in some cases these resolvers can be NOS (new old stock).


obsolete ResolversMachine downtime due to an obsolete resolver is a reality for many. There are options, however, nothing is ever easy. Here is a systematic approach, a simple yet effective method in dealing with a failed component that has likely been phased out by the manufacturer and no longer readily available.

1. Identify your problem... Making a positive identification of the failed component is the crucial first step. Troubleshooting is not a synonym for guess-work. It is a scientific method of determining a problem. There should be no doubt as to the source of the problem. This is determined through testing and not guessing.

2. Check the shelf... That's right, all too many times has a spare component or unit been passed over and found a day late. It sounds simple, but it is always the next step. Don't go looking for something that doesn't need to be found.

3. Check with the manufacturer... A website visit, email, or quick phone call to inquire about a a drop-in replacement is common sense. This step will deliver the bad news if obsolescence is indeed the case.

4. Check eBay... Believe it or not, this has become somewhat of a flea market for old industrial parts. By many, it is still considered to be a website for collectibles and the like, but a quick search can actually reveal a different side to the 'bay. Many private sellers post industrial components as a buy it now type listing, therefore bypassing the auction format all together.

Take a moment and browse the eBay listings since they are always changing...

5. No positive results? explore other options... If your particular resolver is ultimately deemed obsolete and unavailable, you'll need to take the next path of least resistance. This may be upgrade or update your equipment with newer components. The good news is that your machinery or industrial equipment will most likely not need complete re-engineering or a top-to-bottom overhaul to accomodate new components. Adjustments to your system are possible when there is no other choice.


Search for Used Resolver

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Styles and Brands

  • Obsolete Harowe Resolvers
  • Obsolete Reliance Resolvers
  • Obsolete Dynapar Resolvers
  • Obsolete Danaher Resolvers
  • Obsolete Tamagawa Resolvers
  • Obsolete Gemco Resolvers
  • Obsolete Baldor Resolvers
  • Obsolete Allen Bradley Resolvers
  • Obsolete Apex Resolvers
  • Obsolete Synchro Resolvers
  • Obsolete Fanuc Resolvers
  • Obsolete Hardinge Resolvers
  • Obsolete Heidenhein Resolvers
  • Obsolete Stegmann Resolvers

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Search the Forum for Resolver questions and answers.

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Search the Classifieds

We also offer free industrial classified ad system complete with a category designed for want ads. We strongly encourage those with individual parts for sale, specifically new or vintage resolvers, to list them at OI. Ad creation takes only a few minutes and is free of charge.

Those requiring an odd part or obsolete industrial component can place a want ad just as easily, again, with no charge or fee. The OI ad system is at your disposal. Place want ads here, list your individual parts here, or post a listing for your company here.


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