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Build an Arc Welder from Microwave Ovens: Part 3

June 30, 2009 by rickety 6 Comments

The Story So Far

Paul obtained his microwave ovens, wired the garage for 220 volts, and extracted the first transformer. In this segment he replaces the old secondary windings with new, thicker wire.


Sawed off secondary.

One side of the secondary winding was sawed off with a hacksaw.

Bash out the secondary.

The secondary windings were in so tight they had to be knocked out.

Tear out the secondary.

Tearing out a few windings loosened the rest.

Secondary removed.

The secondary is completely removed.

Wire guides.

Using short lengths of 6 gauge wire as guides.

New secondary.

The completed secondary consists of 11 feet of 6 gauge wire wound in 11 turns.

Related Articles

Build a Microwave Transformer Homemade Stick/Arc Welder Learn from the experts.
Rickety signature.

Filed Under: How To Tagged With: Microwave Ovens, Transformers, Welders

Comments

  1. Neo says

    July 1, 2009 at 3:47 am

    Go on Paul.
    Waiting to see the final outcome…

    thanks

    Reply
  2. Open XML Document says

    July 2, 2009 at 7:19 am

    This thing looks mental, Keep us updated!

    Reply
  3. rickety says

    July 2, 2009 at 7:33 am

    There are quite a few people out there who also think this project is mental. Paul’s mother for one.

    Reply
  4. Foot says

    July 23, 2009 at 11:26 am

    Thanks for the useful info. It’s interesting , may help in avoiding accidents

    Reply
  5. rickety says

    July 23, 2009 at 11:42 am

    Foot,
    There is more to come as soon as Paul gets some time.

    Reply
  6. gauge cluster says

    January 16, 2010 at 10:24 pm

    I think arc welding has greater scope in present world,we could get job easily in this field.

    Reply

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Who is this Rickety?

Rick at homeI'm Rick Willoughby. I live in Utah, a retired Software Engineer. I'm a Mormon, married with 5 children and 12 grandchildren.

I emigrated from England in my late twenties, bringing with me one small suitcase and a few dollars. I appreciate the opportunities America has given me and the friendliness of the people to new citizens.

I blog about my family as well as politics, religion, finance, technology, and other topics.

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