Instructor: Roy Crumrine

Instructor: Roy Crumrine

Roy Crumrine (@crummywelding) has set himself apart as one of the most exquisite welders in the world, with the experience and the capability to hold tight tolerances, executing very intricate welds. Being a true perfectionist, Roy has the knowledge and experience to help you achieve real excellence in the welding trade.

Follow Roy on Instagram @crummywelding

Instructor: Roy Crumrine
  • Roy Crumrine - Five Minute Friday EP15

    Thanks for watching this week's FMF! This week we're talking about Welding Tests. A few good, bad, and ugly things that happen when I've taken some recent tests. Hope you can pull a few tips out of this one and could help you pass your next test! If you have a question you'd like to hear talked a...

  • Roy Crumrine - Five Minute Friday EP14

    Thank you for catching this week's FMF! For this week's drive home we're talking about Keyholing. Do you do it? Should you do it? Is it common? Here are my thoughts on the matter. Hope it helps! Thanks Shane for the question. If you have a question you'd like to have answered for a FMF please lea...

  • Roy Crumrine - Tig Braze Repair

    Thank you for watching this real world repair I had come into my shop a few days ago. Being honest with you this one did not go as planned so you get to see how things changed in real time. These things happen but was still able to get the part repaired and sent back. Customer/neighbor was very h...

  • Roy Crumrine - Five Minute Friday EP13

    Thanks for watching this week's FMF! This week we're talking all about pedal pumping. I get asked about this on Instagram a lot and thought I would just share my thoughts. Hopefully it helps. If you have any questions you'd like to hear as a FMF leave them in the comments below or over on the For...

  • Roy Crumrine - Five Minute Friday EP12

    Thanks for watching this week's FMF! It's been a few weeks because I have been sick but we're back. This week is a little different because I was asked if I could show the plates from the Travel Speed video in a little more detail and the effects from the heat. Hope you like this one and please l...

  • Roy Crumrine - One Change... Travel Speed

    In this video I wanted to show you the importance of keeping a good travel speed and how it can affect the welds heat input and profile! I hope this helps and you might see something that you're doing and correct it! Thanks everyone!

  • Roy Crumrine - Five Minute Friday EP11

    Thanks for watching this week's FMF! This question I try to answer the Dealer's Choice question when it comes to filler wire selection. I've seen this question a few times come up so figured I would give it a stab. Hopefully this can help a few of you! Thanks everyone!!

  • Roy Crumrine - Five Minute Friday EP10

    Thanks for watching this week's FMF! I wanted to talk about being comfortable in your shop and why is it almost looked down upon to have AC in the shop? I talk a little about this and why I think it's important. Hopefully this FMF helps you pull the trigger and ABC while welding! Thanks every...

  • Roy Crumrine - Straightening Tube Trick

    I was finishing up a batch of tubes and wanted to share some details on how I straighten them. This is a very simple trick that can be used in many ways. I've used this hack when building boat tops and handrails to see if the straight lines were actually straight. This hack will get you visually ...

  • Roy Crumrine - Five Minute Friday EP09

    Thank you for watching this week's FMF! The question for this week is Does Size Matter... for Filler Wire? I personally do feel that using the right size filler wire can drastically change the outcome of your weld. Hopefully this week's FMF can help you understand why this is and maybe will make ...

  • Roy Crumrine - Five Minute Friday EP08

    Thanks for watching this week's FMF! This question came in from Andy here on WelderSkills. The question was asking about different shades of darkness in your hood and can it help you see better? I took a stab at it on my way home and I hope that it helps answer this question for you. If you have ...

  • Roy Crumrine - Tack Feature

    I was tacking together this tube job and was using the Tacking Feature on the MagicWave 230i. Thought it would be a fun video to share what this is and how it works. This is not a sponsored video of any kind. Just wanted to share a fun feature and encourage you to explore the features you migh...

  • Roy Crumrine - Five Minute Friday EP07

    Thanks for watching this week's FMF! This week I'm talking about a very simple tool that everyone needs to keep in their box, which you may already have but not using it in this manner! Hope everyone had a great week. If you have any questions you'd like heard answered please leave them in the co...

  • Roy Crumrine - Five Minute Friday EP06

    It's Five Minute Friday!! This week comes from a WelderSkills member Nathan. Nathan is having problems with his aluminum tacks cracking. I give 3 different options to try. Hope these tips can help! Have a great weekend! If you have any questions please leave them in the comments below and i...

  • Roy Crumrine - Where Do You Look?

    For this video I wanted to show you something that really changed the way I welded and the first thing that came to mind was, Where do you Look? I hope this might help you see things the way I do and might change the way you see your puddle! Leave me a comment if you do this too or if you try it!...

  • Roy Crumrine - Five Minute Friday EP05

    This week's Five Minute Friday is to help you get better Tig Arc Starts! These few hacks have really helped me in the past and honestly have become a habit for me. When I worked in the semiconductor industry we did a few parts that a bad arc start/strike could scrap a part so these hacks were c...

  • Roy Crumrine - Five Minute Friday EP04

    Thanks for joining me for this week's FMF! This week we're talking about Holding Tolerances. When welding out a job being able to hold it to the right dimensions within the tol. can be the difference between a good part and scrap. In this FMF I go over a couple items that you always need to do...

  • Roy Crumrine - Five Minute Friday EP03

  • Roy Crumrine - Pulling Pins

    Had a small job come in that needed some pins pulled out. At least that is what they said it was... Something that I have learned from dealing with different customers is they're not always right when they explain what needs to be done. In this case they were partially right. Used 309L for mo...

  • Roy Crumrine - 5 minute Friday EP02

    FMF Ep 2 Posting on 7/2 Episode 2 of Five Minute Friday! This week's question is What is it like working in the Aerospace Industry? Good, Bad, and the Ugly. The only way I can answer this question is from my personal experience. I get asked this question often so figured let's open up a little an...

  • Roy Crumrine - 5 Minute Friday EP01

    This is the First Five Minute Friday! I thought it would be a good use of time to record your questions while driving home from work or whenever might feel right. I'd like to limit myself to 5 minutes to answer these questions but might go over a bit. For episode 1 I thought it would be fittin...

  • Roy Crumrine - 357 Cast Aluminum

    Word for the wise... if you get a call for a job and they say it'll be "really quick and easy"... Well, you probably already know.

  • Roy Crumrine - Purging Trick

    Roy shows us how to use aluminum foil and painter's tape to purge some 310 stainless.

  • Roy Crumrine - Tube Repair

    From Roy: "If you follow me on Instagram you’ve seen me post these quarter inch repair jobs that I get from time to time. A while ago I filmed one of these jobs and thought it would be kind of fun to put it together with a voiceover. Hopefully you enjoy it and learn a little something."