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Researching DIY spot welder designs online was an essential step in my journey towards building my own. The internet offered a wealth of resources, from detailed tutorials and step-by-step guides to forums where fellow DIY enthusiasts shared their experiences and recommendations. Exploring these various options not only broadened my understanding of spot welding principles but also gave me insight into the different approaches and designs available.
A DIY spot welder can be a game-changer, especially for someone like me who loves tackling household repairs and projects without breaking the bank. I remember when I decided to build my own spot welder, driven by the need to mend various electronic items and appliances around the house without shelling out hefty sums for professional services. It was a project born out of necessity and a desire for self-sufficiency.
Assembling the DIY spot welder was an educational experience in itself, involving gathering the necessary materials, understanding the principles behind spot welding, and tinkering with circuits and connections. There was a sense of satisfaction in knowing that I was not only saving money but also gaining new skills and knowledge along the way. It truly felt like I was empowering myself to take control of my home maintenance needs in a practical and cost-effective manner.
Once the DIY spot welder was up and running, its utility became apparent almost immediately. From repairing microwave oven doors to fixing broken kitchen appliances and even patching up vacuum cleaner components, the versatility of the spot welder proved invaluable. The precision it offered in creating defined welds without excessive heat made it ideal for working in tight spaces, allowing me to address repairs with confidence and efficiency. It was a tool that not only saved me money but also provided a sense of accomplishment every time I successfully tackled a repair job on my own.
1. Cheap DIY Spot Welder
I remember stumbling upon the detailed instructions for building a DIY spot welder by mods-n-hacks.gadgethacks during my online research, and it instantly resonated with me. Incorporating those instructions into my own project not only guided me through the build process but also added a personal touch, knowing that I was following in the footsteps of others who had shared their expertise online.
Recycling useful items helps to keep trash out of the landfill and more money in your pocket. All DIY projects are meant to save you money and/or recycle useful objects and an arduino spot welder is no exception.
2. DIY Spot Welder Plans
Watch this detailed video to learn how to build a cheap spot welder by Made in Poland on youtube. If you want to create this spot welder you can download the plans to go along with the YouTube video.
This creative design we have makes this one of the best set of free online plans for a homemade spot welder. DIY projects can be fun, fast, and affordable when you watch instructional YouTube like this one.
3. Spot Welding Machine
A DIY spot welding machine by mistrymaketool is so handy in the workshop, and once you get used to it you will wonder how you have got by without one.
At third one we have a small, easy to build diy spot welder that uses a little pressure and a lot of heat to fuse two metal pieces together. The welded union will be strong and will enable you to repair and create many more items in your home work shop.
A homemade spot welder is useful for many applications, including automotive, metal furniture, crafting, artwork, remodeling, and home construction. Think of all the creations you could build and repairs that you could do if you had a spot welding machine like this one.
As we all know spot welding is one of the oldest welding methods that joins two or more metal components without the use of any type of filler material. You can build this small but powerful welding machine quickly and inexpensively.
4. Microwave DIY Spot Welder
Not only can a spot welder help you repair a non-functioning microwave, but parts of an old microwave can be used to build a spot welder instructables. Salvaged parts from an old microwave can be recycled into a handy resistance spot welder with these easy to follow instructions.
5. DIY Spot Welder For Electronics
Finding the guide on hackaday for making a DIY spot welder was really exciting for me. I love fixing electronics, so learning how to build a welder and a controller to make precise welds in tricky spots was like discovering a new superpower. It’s not just about fixing stuff; it’s about getting better at what I love to do and exploring new ways to make things work again.
6. Small Homemade Spot Welder
Here we have another useful idea for recycling components from an old microwave into a small DIY spot welder. The homemade welder by makezine may be small in size but it has the power to permanently weld sheet metal and to perform quick brazing jobs.
Use the transformer from a non-functioning microwave and a few other components in addition to welding table to create this powerful small spot welder.
7. Microwave Transformer DIY Spot Welder
This is a large diy spot welder by hackaday that has more power than the homemade welders we have discussed before.
This DIY project takes three videos to cover all the details of the build but it’s well worth watching. The finished welder is powerful enough to handle any household project and the finished product looks very professional.
8. DIY Battery Spot Welder
Why pay over $100 for an arduino spot welder when you can just make one of these for a fraction of the cost? Save money and get the battery spot welder like this by darkkevind one youtube by following these free plans.
This detailed YouTube video will take you through the building process so you can build a DIY battery spot welder very cheaply. The video is very informative and helpful for first-time welder builders.
9. DIY Battery Spot Welder
When I stumbled upon the DIY spot welder tutorial by WeAreTheWatt on YouTube, I got really excited. I love working with recycled parts, so the idea of building something useful from stuff I already had lying around felt like a perfect fit for me.
But if building from scratch isn’t your thing, there’s always the option of getting a spot welder kit. I found one online that comes with everything you need, and there’s even a YouTube video to guide you through the process. It’s super easy to put together, and once it’s done, you’ll have a handy tool to tackle all those welding repairs on your list.
10. Arduino Battery Spot Welder
This is an ideal DIY battery spot welder by instructables and is easy to build by following these instructions. The video takes you through the build step by step, plus there are pictures and written instructions to show you how to use this diy arduino battery spot welder after you finish building it.
Think of all the projects you can complete around the house with a new spot welder, then get busy building the welder with these detailed instructions.
11. Homemade Spot Welder
A light-duty homemade spot welder by instructables is easy to build from recycled parts and these detailed instructions. An old transformer from a microwave and a few other recycled components can be put together to create a new homemade spot welder that can handle small welding jobs.
To make this diy spot welder you will need cutting blade (hacksaw blade),three MOTs (Microwave Oven Transformers), hammer, wood, copper tube. Repair those broken electronics and create something new with this useful welder.
12. Tab DIY Spot Welder
Simple construction and accurate electrode force adjustment are part of this DIY tab spot welder by avdweb.nl. The double pulse this DIY spot welder generates better clamping ability and the current can be adjusted to suit the welding task.
Pictorial instructions along with written instructions provide all the details and precautions for this DIY project.
13. Battery Pack DIY Spot Welder
When I stumbled upon the idea of building a spot welder with either an Arduino-controlled timer or a spot weld controller, I was intrigued. Having the option to choose how to control the weld felt empowering, like I could customize the project to fit my own preferences and needs based on my experience.
The simplicity of the build and the small size of the project made it seem very doable, even for someone like me who’s not an expert in DIY projects. I’d suggest giving it a try, especially if you’re looking for a satisfying way to spend an afternoon. Plus, considering how affordable the materials are, it’s a budget-friendly project that can yield a really useful tool in the end. I can imagine using the finished DIY spot welder from rcgroups to tackle those stubborn spots that are often tricky to reach, making repairs around the house much easier.
14. DIY Spot Welder For Batteries
A DIY spot welder by hackaday for batteries is easy to build with these free instructions. Written instructions and pictorial diagrams make this building plan easy to follow. Some of the components for this DIY project can be purchased from the Dollar Tree store, making this a very inexpensive project.
15. Recycled Microwave Oven
A deconstructed microwave oven was used to build this DIY spot welder by instructables and you can build one just like it with these free plans.
Plans are also included to build a stationary metal frame so the spot welder will remain in one location. It’s too large and heavy to be portable but it’s ideal for the home work shop.
These free plans for building a DIY spot welding machine include written instructions, pictorial instruction, and a video. The building process is easy to understand and since it recycles an old microwave oven, you will be keeping a useful item out of the landfill.
If you have been wanting a spot welder for your home DIY projects, this one is for you. it can get the welding tasks done and it won’t cost you too much to build. You may also like to go through homemade forge to do your blacksmith tasks.
16. Battery Spot Welder
This DIY battery spot welder by instructables is easy to create and is ideal for a one-time welding job.
Sometimes you just have one DIY project that you need a spot welder for and then it probably will never be used again. This battery spot welder is perfect for that one-time job.
If you have a project that you are wanting to tackle but don’t want to invest a lot of money in spot welder, check out this DIY battery spot welder. it is fast and easy to build, it does not cost much to build, and it will enable you to build that special project.
A battery, car solenoid, and some copper nails are most of the items that you will need to build this battery spot welder. You can build it and have it ready to use in about one hour.
17. Simple Spot Welder
This DIY spot welder by Maciej Nowak Projects on Youtube is simple to build and simple to use. It is not a complicated or elaborate machine, but it is efficient.
This YouTube video will show you how to build this simple spot welder with detailed steps. The video instructions are clear, precise, and easy to follow so you won’t be confused during the building process.
When the spot welder build is complete, it will be an efficient machine that will be welcomed in any home work shop. It is very useful when welding sheet metal, wire mesh, or other metal components. Spot welding is one of the most efficient welding processes and has a wide range of uses for building and repairing items around the house.
18. Mini Spot Welder
Watching the YouTube video by Creative Etc on creating a mini DIY spot welder was a real eye-opener for me. I was amazed at how simple yet effective the process was, using recycled parts from a microwave oven along with some basic materials like copper wiring and a battery.
If you’re looking to amp up your DIY game and start fusing metals together, I highly recommend starting with this mini spot welder. It’s a fantastic way to dip your toes into spot welding and discover its usefulness for various projects around the house. Once you’ve experienced the convenience of having a spot welder in your workshop, you might even feel inspired to tackle larger projects by exploring plans for building bigger DIY spot welders.
19. Microwave Oven Transformer
When you upgrade your home microwave, save the old one to create a DIY spot welder by boccelliengineering for your work shop.
Microwave ovens have transformers that can be used to create a spot welder. These free plans will show you how to build one for yourself. And the great thing about using the transformers from an old microwave oven is that it will keep a useful objects out of the landfill. If you don’t have an old microwave at home, one can be purchased from a thrift store or flea market for a very cheap price.
Spot welding uses electricity to fuse metal components together. The fused joint is strong and will last. The spot welder fuses the metal in one spot and it does it very quickly so the metal does not heat up.
When you have small welding projects that need to get done, a DIY spot welder can help you get them done efficiently and cheaply.
20. Spot Welder With Automatic Circuit
Spot welding is safer and more efficient than other types of welding and an automatic circuit will keep the welding going on for longer periods of time. These free building plans by electroniclinic will show all the steps for building a homemade spot welder.
Spot welding is typically used when a single layer of wire mesh needs to be joined to itself, like in gaskets, mesh screens, or overlapping metal seams. There are many uses for a DIY spot welder in a home work shop.
The thing that makes spot welding so desirable to home hobbyists and crafters is that a large amount of energy can be delivered to one spot in a very short time. Spot welding is quick, efficient, and ensures a strong, fused joint.
Building a DIY spot welder will also save you a lot of money. One of the least expensive ones that you can buy will cost $50, and that is a mini spot welder. You can build one that is larger and cost less. Check out these free plans and build one for your work shop.
21. Portable Spot Welder
Sometimes the welder needs to go to the DIY project and this portable spot welder will go wherever you need it to go.
These free plans will show you how to build a high capacity spot welder by elektormagazine that has a super capacitor that can generate between 200A to 400A current. This one also has a dual pulse which is powerful enough to create a solid union of two or more metal components.
Take this portable spot welder outside to the car you’re restoring or to the metal patio furniture you are repairing. it will go with you to get the welding job done.
This portable model will be able to handle a lot of welds before it gets hot. Just wait for a few minutes so it can cool down and then you can resume welding. This is a handy little DIY battery spot welder to have for use around the house. It’s small and lightweight but powerful enough to get the welding job done.
22. Homemade Spot Welder
If you enjoy crafting with metal and creating unique objects, a homemade spot welder like this one by Sorin – DIY Electrical Nerd on Youtube will be a great asset to you.
Watch this YouTube video for detailed instructions on how to make a spot welder that is cheap and easy to make. This DIY spot welder is powerful and portable, so it’s able to handle all your metal crafting both at home and on the go.
You don’t need special skills to be able to use a spot welder and the welds will be strong. Think about all the things you could do if you only had a welder, then build this cheap and easy DIY spot welder and get busy.
You will be able to create new metal objects or repair broken metal items with this spot welder.
23. Battery Spot Welder
A spot welder is a fantastic addition to any home workshop, and the best part is, you can craft one yourself without breaking the bank. I still recall the sense of achievement I felt when I put together my own battery spot welder using the guidance from instructables. This DIY creation packs quite a punch, effortlessly producing sturdy welds in half the time it takes for a conventional welder, revolutionizing the pace of my DIY endeavors.
One thing I love about this homemade battery welder is its versatility. Since it doesn’t require electricity to function, it’s perfect for workshops that are off-grid or for taking on-the-go. With this spot welder, I’ve been able to weld various materials like iron, steel, and stainless steel sheets with ease, making repairs and projects around the homestead a breeze.
Imagine the possibilities once you have a spot welder in your toolkit. From joining thin metal components to tackling all sorts of projects around your homestead, this DIY spot welder opens up a world of opportunities. Plus, the detailed plans are free, so you can build one yourself and enjoy its usefulness for years to come.
24. DIY Spot Welder
Here is a spot welder that you can build without a microcontroller. By not having to include a microcontroller you will save money and time.
This DIY spot welder by hackster without a microcontroller will work just as well as other spot welders to create a strong union between two pieces of metal. It is quick, easy and cheap to build and will last for years. The homemade welder is small and portable so it can be used in your home workshop or outside. Wherever a welding task is needed to be done, this spot welder can get the job done.
These free plans provide detailed instructions along with pictures so you will be able to easily build a DIY spot welder for yourself.
25. High-Voltage Capacitor
This DIY spot welder by Maciej Nowak Projects on youtube is powered by 220 volts of electricity and will create strong, long lasting welds. Create sturdy unions between metal, iron, or steel so you can fabricate something new.
Consider all the things you could fabricate if you had a high voltage capacitor spot welder like this one. You could build useful things around the homestead and/or create metal items to sell and generate a source of income.
Welding is also a high paying job and if you have a spot welder, you could go where welding services are needed and generate income. It is always great when you have a tool and skills that will enable you to earn money. This DIY spot welder is easy and cheap to make so your investment will be small but the earning potential is big.
These free plans include both a video and written instructions so you will be able to build this spot welder without any problems.
Spot welding is an easy skill to learn even if you have never welded before. It is one of the oldest forms of welding and is used in the automotive industry and the home work shop and everywhere in between.
26. Lithium Ion Battery Spot Welder
No electricity is needed to use this homemade spot welder by extremediy. This powerful little welder is powered by a lithium ion battery and can go wherever spot welding is needed.
Ideal for an off grid homestead or work shop. It is also great to outdoors where metal fabricating or repairs are needed. The uses for this homemade battery welder are limitless and it is a must-have for any homesteader.
A battery from a car or lawn mower will generate plenty of power for this DIY spot welder. Joining two pieces of metal together with a spot weld is quick and efficient. The union will create a strong bond between the metals that will last indefinitely.
Spot welding does not create an open flame and it does not require any type of special skills to do. These free plans will show you how to build a DIY battery spot welder that is easy and cheap to make and easy to use.
27. Recycled Microwave Oven Transformer
Discovering the free plans on instructables for building a homemade spot welder using recycled parts was a real game-changer for me. I’ve always been drawn to projects that repurpose old items into something useful, and turning an old microwave oven into a spot welder felt like a perfect fit. With these plans, I was able to breathe new life into something that would have otherwise been discarded.
It’s amazing how many microwave ovens end up in the trash simply because of broken glass components, like the door fronts and turntables. But with these free plans, I learned how to salvage the still-good parts, particularly the transformer, and repurpose them into a DIY spot welder. It’s a great way to minimize waste and make the most out of what you already have lying around the house.
If you’re someone who loves working with metal or has a few broken metal items waiting to be fixed, a spot welder is an indispensable tool to have. While store-bought spot welders can be quite pricey, building your own with these free plans is not only affordable but also surprisingly easy. Plus, with both written and video instructions included, it’s a straightforward DIY project that anyone can tackle.
Summary
Do all your household repairs such as microwave, metal stool, furniture and small kitchen appliances without hard and costly welding working with these easy to make diy spot welders that we have gathered for you. You can save a large sum of money without the need to call a professional and do little repairs when you can do it yourself. Hope these ideas we shared with you have given you some thoughts on how to make your own spot welders.
To answer some common questions that come to your mind I have prepared a questionnaire.
FAQ’s
What voltage and current is required for spot welding?
For welding of thin material you need to set the voltage at least 12V with a current supply of 1000A. Thick materials are welded with a high voltage above 12V. However you must be aware that working with high current can be dangerous and all precautions should be taken to ensure safety.
Difference Between Spot Welding and Soldering?
A spot welding is used to join two pieces of metal by making a solid and strong bond while the soldier joins two pieces of electronic components with a lighter bond.
Does spot welder use AC or DC?
Spot welding is done using Ac power that provides low voltage with a high volume of current. A transformer is used to set a voltage of 5V to 22V with a current of 1000 to 10000A.
What metals can not be spot welded?
Generally all the metals can be spot welded except copper, silver, lead, zinc and Manganese.
References:
Science direct, Spot welding ,”Proceedings of the 1st International Joint Symposium on Joining and Welding, 2013″, https://www.sciencedirect.com/topics/engineering/spot-welding
UK Essays, Subject: Engineering, Published: 6th Sep 2021, “The Three Stage Process of Spot Welding” https://www.ukessays.com/essays/engineering/spot-welding-involves-three-stages-engineering-essay.php
Universal Technical Institute, Pub, Feb 20, 2023, “Spot Welding & How It Works”, https://www.uti.edu/blog/welding/spot-welding
