Kweld power supply. 34 Complete system, measured between kWeld cable ends 4.

Kweld power supply 1 * 1sec = Some lab power supplies - even a few made by respected brands - are infamous for being absolutely intolerant to back-feeding from low impedance sources such as lead-acid batteries. Yes, bigger wires help as explained above. I am happy to announce that the next batch of kWeld is in production. Besides a computer with a simple terminal program that supports YMODEM file transfers, this requires a serial connection. So I bought a Kcap and Ksupply to power the kweld 100% power export does mean you can export the maximum amount of 18 MW at the foreign power connection, you would need ofcourse the 18 MW high Voltage wires connected, if you produce less power your voltage will reduce and your lights will start flickering, if you produce more power nothing will happen, same goes for import. Using the Kweld system, I am attempting to spot weld 24 awg tinned copper wire directly kWeld spot welder for lithium cell packs. What really is confusing is that both have the exact same description. Unfortuantely such source is not OK for kWeld. I want the system to allow welding at 50J with one second repetition rate. Learn about three common options. Because it is modular, you can easily change back the system into a portable welder. The module can be connected to any 12V power supply (for example a 12V battery or a desktop computer’s ATX power supply) by attaching cables to its screw terminals. Miyachi | sku: IP10320. Any Bench power supply would suffice, you could also use a constant current LED driver or some battery chargers. These STL files allow you to make a case for your kWeld using your own 3D printer, or through one of the available online services. Foilguy October 4, 2023, 9:42pm 3. 0,00 kCap User Guide The kCap ultracapacitor module has been designed to allow the creation of a stationery power supply for the kWeld spot welder system. I try to support USA based stuff as much as possible. DC. You still have to get a power supply. Each fuel produces a different amount of power depending on the rate that fuel is received at. I'm a new member here. ) Input Power Range: 100V – 240V AC; I might need a new PSU that can output 14-15V 60A or higher to sufficiently supply my programmable CC-CV regulators (+ power diodes). The author marked this model as their own original creation. the power supply leads in KWELD kit have the ground wire shorter than power wire. I have stress tested one of them for several complete discharge cycles, and it shows no visible swell thereafter. I had niether. Just my opinion. At the end the total cost was: 145€ Kweld kit; 140€ battery cells kWeld-operation-manual-r3. Model origin. kWeld power supply So a 'power supply' would need to delivery like 5000-8000KW. Only thing I've been able to confirm is the 3. "Automatically balances performance with energy consumption on capable hardware. The Kweld came with everything needed to start welding except power supply source. Reply reply More replies More replies More replies. 1152 cells total (96s12p) and the unit never quit. The General Mobile Radio Service (GMRS) is a North American land-mobile FM UHF radio service designed for short-distance two-way communication. Weld 0. 3V from When deciding how to power your kWeld spot welder, you have several options. 2mm Copper using kWeld, JP or Malectrics? Thread starter soylentgreen; Start date Jun 19, 2018; soylentgreen 1 µW. 3D Models Hobby & Makers Tools. Joined Aug 4, 2021 Messages 37. It gets expensive. EEVblog Electronics Community Forum. IMG_20191121_135631390. I am contemplating buying a new supply for my kWeld. 0; Description PDF. Kws encapsuladas fuentes lambda tdk diarioelectronicohoy emea יכולת סדרת ועד מיועדת מוצרי עבודה של supplies. The Welding Specialists Your Wholesale Choice. The PSU is a bit redundant for me. I love the power management but the rest of it is a deal breaker. 2 milliOhms total. Check back often because we aim to stock, right here, in Canada, the battery building supplies you want to use. Related models View all. If you already have a LiPo charging system, the "Turnigy 3S 130C 5000-mAh" might be a good option, and builders have reported good results with it. Cable to connect Ksupply to Kcap 400mm long with XT150 connectors (easy disconnect) With an option to order the Laser Cut Housings for Kweld and Kcap. Vents (requires plastic mesh cut to shape) Model origin. Reply reply Can someone help me find out the value of this disc capacitor, came off a 2004 Xbox power supply board 4. If you use a lot of complex digital modules (or poorly designed analog ones) you will probably need more because they tend to be in the 100-200mA range. 3mm Finding a suitable power supply for the kWeld can be difficult. At the start of the game, the fuel depot only accepts Glow . Newbie; Posts: 5 Different power supplies don't make any difference. You are best to aim for 1500 to 1800 amps at 12volts or less to achieve a good level of performance. And you cannot use copper electrodes. But it is also agile enough to weld thin copper wires at low energies. I'm curious about the power supply choices that we can use for kweld. spinningmagnets. Share. S. I have also kSupply and an HP server power supply attached, which is currently set at 8,1 V. • Practically all electronic systems require some form of Power conversion. I still haven't received them and he wont reply to any emails. 3. @Power_up_630803. At the same time, the storage capacity is large enough to deliver enough energy for multiple Miyachi MT-530A Weld Transformer, Rated Cap. 6KVA w/ ME-35A Weld Power Supply. The power rate is negotiated between the power supply and the device. Tervetuloa Akkula Oy:n verkkokauppaan! Nopeaa ja luotettavaa (The small ugly board left to the kWeld is the new internal 3-40V power supply that was receiving all that inductive spiking, and it keeps all its voltages well within their limits - should be rock stable now. The owner The kit was sent without the power cord for the Kweld power supply and also the foot pedal wasn't sent for the Kweld. kCap User Guide The kCap ultracapacitor module has been designed to allow the creation of a stationery power supply for the kWeld spot welder system. txt) or read online for free. 3v cycles 1- Kweld doesn't have basic On/Off button or Input for that, for Turn off the welder it's need disconnect the main power line, it's a bit crazy, add a switch for disconnect the logic power supply Cost 0$ more or energy to do at the dev time The kWeld system supports in-system firmware updates. 4. 0. 15mm Sandwich method with infinite groove only on If a weld needs 1600 amps, but the battery providing those Amps is several Volts higher because it’s a 4S instead of a 3S, the total Power rushing through the battery terminals and kWeld power rails will be higher and more stressful to the conductors (in my case the pouch cell tab conductors are what failed). Please note that a power supply is not part of the kit. Kweld though is the best though. but sometimes you go where the supply is. 5V - why? upvotes Simple kWeld spot welder case featuring vents, minimal support mat'l, and totally flat top. This means that the PSU needs to supply 50J / 0. All pre-order products are on sale with a 10% discount until Nov 30! Frank. Date of experience: January 15, 2023. What are your thoughts about prismatic Lithium-ion Titanate cells? It works best from a power supply in the 12V region. It's just that it's a lot of money to buy the super capacitor bank and buying the kweld and battery was already so much money to me Powerweld. Members Online. Some key specs: - ready to use desktop unit with AC input - supports welding copper (3000 amps minimum) - 450W power supply (200 joule pulse, once per second, at device output terminal) - water cooled electrode system (option) - pneumatic actuator (option) - 4. The 330A current rating of such a battery is its tolerated maximum continuous current. The top compartment can be used to store the foot pedal and power cord. The following high current power supplies have been tested with the kWeld system and can be recommended: Turnigy The following high current power supplies have been tested with the kWeld system and can be recommended: Turnigy nano-tech Kweld power supply question . Miyachi IT-510B Inverter Weld Transformer, ORBITAL (GTAW) POWER SUPPLY THE WIDEST RANGE OF ORBITAL WELDING EQUIPMENT IN THE WORLD INDUSTRY FEATURES • Light weight and portable • Auto-switching of input voltages from 100 to 240, 50/60 hz • Versatile, durable and ready to go anywhere • 150 A maximum output possible on 100 vac/30 a input • Semiconductor • Bio and kWeld power supply recommendations 2017-08-29. 1). Kcap Module. A friend of mine builds his sensors from Attinys and 433MHz modules which are pretty cheap and power efficient. 0. It includes in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules as Hewlett-Packard HSTNS-PR01 power supply; The power supply locks into the base for a solid connection to the kSupply. Share Sort by: Best. 15mm nickel strips to 18650 cells (source: eevblog forum, user "romantao"): With the right power source, the kWeld unit is capable to weld pure nickel strips of up to 0. This will at least prevent the supply and/or wiring from catching - I don't have any high-powered batteries laying around so it would seem wasteful if I get a high-C RC LiPo or car battery pack and charger just for the kWeld system - It seems the kCap requires a high-amp power supply for charging; although I have a few sub 500w ATX PSUs and 3-amp lab power supplies laying around they don't seem to be suited With the right power source, the kWeld unit is capable to weld pure nickel strips of up to 0. LSQ5; LSQ3; The UNI5 interface or the FB5 field bus solution: For perfect integration. Find the keenlab spot welder "kWeld" that enthusiasts agree is the best spot welder for it's quality build and performance. Rating * Name Review Subject * Comments * Recommended. The top of the acrylic cover for the kWeld could be glued into the front plate, but the connection is a decent friction fit for me. Connect a suitable current-limited power supply to the inputs of the module, and the kWeld to its output terminals to create a stationery spot welding solution. Quick view Details. Don't hesitate to tell us what you'd like to see on our shelves! Get kCap,kSupply Author Topic: Kweld power cycling fault (Read 431 times) 0 Members and 1 Guest are viewing this topic. Lipo batteries can be discharged to a lower voltage, but with how much power a drone sucks out of them, it's recommended to stop earlier as to not put them under even more stress. Click to expand I plan to sell assembled and tested units (with EMC and safety certification later on) as well as kits. 65. | Download free 3D printable STL models The reliable Original Prusa MK4S is now available in discounted bundles with the MMU3 and Enclosure. POWER SUPPLY REQUIREMENTS The kWeld system is basically a switch that short-circuits a strong power supply. This set provides the necessary components for this: 1 x USB-to-serial converter (FT232R, 3. These fuels are Glow Bulbs, Shroom Fuel, Blood Fuel and Corrosive Fuel. If you're into electronics, or even batteries, I strongly recommend a bench power supply. Logic supplied directly from battery – no need for a separate auxiliary power supply Software: "This article is already included in the full kWeld kit and sold here separately to allow purchasing only specific I have a great OWON bench power supply that can charge batteries up to 60V at 3A. 1 Like. Our Global Control Circuit Transformers are designed to reduce supply voltages to control circuits, providing greater safety to operators. The module has been designed to rapidly charge the kCap ultracapacitor module for high speed welding, but it can also be used for many other applications that require a stabilized voltage at high amperage. Your limitation is not going to be the supply, rather the ability of each pigtail to carry current. Malectrics power supply, Graphene or Ultracapacitor. Measures Joules, the total energy in the weld. The weld spot itself contributes another 1 milliOhm typical. 3V TTL signals) 1 x connection cable for kWeld system, 75mm. The following picture illustrates this: The individual resistors have the following meaning: R i The internal resistance of the power supply that you are Don't be scared by the assembly process. IMPORTANT! Please note that a power supply is not part of the kit. The danger of your connections popping off is bad enough that you end kWeld is a very capable battery spot welder. I would recommend just soldering also instead of spending 300+ on kweld, power supply, if you're using kweld with lipo you need a hobby charger. The high and especially the low end are where are nost sensible and suffer the most degradation. Ouch. I've seen a few of these type of spot welders and was wondering if anyone had experience with them. To push 1500A through that, you need U = R*I = 6. 2) a buck converter with bootstrapped power switch driver can never live with an output capacitor (in my case 2200uF) that 'survives' zero input power longer than the bootstrap capacitor. Akkukäyttöinen (ei sisällä akkua) Skip to navigation Skip to content. Connect a suitable current regulated power supply to the inputs of the module, and the kWeld to its output terminals to create a stationery spot welding solution. When the input voltage comes back, then there is nothing that can charge the bootstrap capacitor (as the output almost equals the input). Spot Welder Keen Labs HP POWER SUPPLY HSTNS-PR01. We are the only North American MEAN WELL Repair Facility and MEAN WELL Modular Configuration Center, highlighting our specialized expertise and Power supplies are categorized in various ways, including by functional features. Maybe practice with smaller packs It is not dangerous for USB-C supplies. 89 Battery ESR including leads and XT150 connector. facebook. I accept pre-orders through my shop. resized. The Cricket is a lovely bit of power management design if you only need 2 digital and one analog input, no output pins and don't mind being locked into their system. We'll have to live with zero ohm weld spot resistance. I contacted Andrew Burrows on the 16 January 2023 8:52 AM who said he would send the parts. It calculates the instantaneous power that it delivers into the weld spot (not to confuse with the power that it Pure Power 12 M 750W PSU offers a reliable and well-constructed power supply option with an emphasis on stability, solid performance, and long-term durability, thanks to its dependable HEC it blew up on the first weld! all 5 fets shorted,i brought 10 replacements fitted them and again it went bang!,then did the mods to the controll board replaced the fets againe,also added a 120. It was connected to the KCap but even when connected directly to a battery or lab power supply it cycles. it’s also affected by The Fuel Depot powers your base using up to 4 types of fuels. English en. Jul 22, 2024 #10 For your purposes, you say you want something that can do . 1 - 0. 3mm thickness. Alternatively, a suitable bench top power supply that can be voltage regulated may be an option, albeit slower. 3; User print files. The following high current power supplies have been tested with the kWeld system and can be recommended: Turnigy nano-tech 3S/5000mAh/130C Lithium Polymer battery . Afterwards, I'd just watch a lot of youtube videos of what you want. That's why one cannot Wound up buying a kWeld and a new 750 CCA car battery, then soldering some Autozone battery clamps to the kWeld supply wires. LiPo over-discharge protection set at 2. The kWeld power switch is software-limited to 2000A. kWeld is a very capable battery spot welder. It provides the low output resistance that the welder asks for, in order to achieve a welding current in excess of 1000 amperes. New comments cannot be posted. 157. docw009 1 MW. Kweld + KCap Combined Case . We have had questions about the kWeld supply in the past: kWeld power source. But as I Kws-a single output 5w to 25w ac-dc pcb-mount power supplies kweld power supply Download PDF. updated March 10, 2023 Collections. I was getting 750a max output from it and the weld were decent, but nothing good or promising. i believe this is to keep the current spikes down. kWeld Case with vents and knob . 5. Reply reply Kweld power supply question upvotes Most people start getting their quad in at about 3,4V-3,3V per cell. 6. Spot Welder Keen Labs There are ways to connect your kWeld with power source : Different power sources : Batt or SuperCap a) Battery operated kWeld (LiPo / LiFePO4 / Deep Cycle / Marine Batt, AGM, etc. The picture on the oscilloscope should look similar to this, when your power supply would operate, as desired, for ultra-capacitor usage: This document summarizes the contents of the kWeld complete kit for building a DIY battery spot welder. For those looking for This picture shows the result of welding 0. Continue reading ‘KWeld spot welder The kweld is like $230 I wanted a unit that used a battery instead of AC, as I am moving my energy needs off-grid and the AC based spot welders have a massive inrush current. https://www. ) : the length of supply leads from batt to kWeld also counted into this equation since very high current needs to travel from power source (this batt) to load and back. de Does anyone have this power station? How does it hold up to larger loads? I have a cable puller that is rated at 12 amps and was wondering how this power station would hold up running this guy. It maxes out at 32/m, which is the maximum dispense rate of a dispense chest. 50 out of 5. When I turn off the HP power supply, both the Kweld and step-down continue to be on for a long time due to the charge contained in the capacitors. Supermicro Power Supply With Silicon cables. You could also find a highish volt (say 15-20) and then build a circuit to consistently charge the cap to a variable level. I just found this on Facebook: Log into Facebook Log into Facebook to start sharing and connecting with your friends, family, and people you know. kWeld – 3D printed housing (STL model) Rated 4. 3D Models Store Clubs Community Contests Brands Events Groups Education Prusa Eshop Prusa Blog. It can handle up to 2000 amperes of current at up to 30 volts. It should ideally Good quality RC LiPo batteries work, so do most 12V LA batteries because they are designed to supply high currents as well. Ksupply Module. It is stated that some people have had results with power supply that can deliver as low as 800a but a miniumum of 1000 amps is recommended. Fused overvoltage protection of internal power supply; Maximum switch current: 2000A Kweld power supply: ELIF . Joined Nov 24, 2017 Messages 3. 0,00 Here are some key specs of my system: Hardware: Input voltage for welding: 12V – 30V Extremely rugged MOSFET-based power switch and mechanical current bus design Maximum switch current: 2000A Power switch - I don't have any high-powered batteries laying around so it would seem wasteful if I get a high-C RC LiPo or car battery pack and charger just for the kWeld system - It seems the kCap requires a high-amp power supply for Dude kWeld after power supply and getting shipped into the USA is like $300. The 2S 20Ah Lithium-ion Pouch cell has degraded a bit and the welds are just too weak. Login. Download. I would always add a fuse between the power supply's output (say the positive one) and the battery. This document provides operating instructions and safety warnings for using a high-power spot welding system called the kWeld. I think a 4s lipo needs higher IR to avoid spiking too high. KWELD Kweld Kcap Ksupply HP Power supply and cables. The kWeld, kCaps, and It is considerably less expensive, although you have to source the power supply yourself as well as package it up. 2 milliOhms (stock cables). case thingiverse benchtools kweld spotwelder + More. Joined Aug 2, 2015 Messages 2,898 Location Illinois, USA. Date of experience: 15 January 2023. Features. Kweld power supply question upvotes ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. Welding current 800A – 2000A. Don't hesitate to tell us what you'd like to see on our shelves! Get kCap,kSupply The battery can supply 1338A to the welder, anything over 2000A will not pass calibration, the resistance value is a low value of 2. Like. A Free & Open Forum For Electronics Enthusiasts & Professionals the power supply would operate normally: at the start the lamp would be turned on at 12 V (caps at 0 Volt) and current at app. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, Sharing and downloading on Cults3D guarantees that designs remain in makers community hands!And not in the hands of the 3D printing or software giants who own the competing platforms and exploit the designs for 8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,with nickel strip and spot welding pen,for 18650 Battery Pack Welding Tools. You decide which parts of the complete system you want to purchase and which parts you want to source yourself locally. The kit includes the electronic module, cables, electrode holders, electrodes, a fuse, foot switch, bus bars, and mechanical parts needed for assembly. It's under it's rated 1800 watt capacity so I would expect it to power it up ok. Plus the kweld is just a beautiful board, the design is miles ahead of the chinese spot welders and the community is there to help you with any problems. The weld spot itself contributes another 1 Common Slot" Power Supply Models: I built kweld, ksupply, kcap, and HP DPS-1200FB power supply into an old shuttle computer case. Do you use thick wiring between PSU and cap. 1 joules it works very well. stompie79; Mar 9, 2020; Battery Technology; Replies 2 Views 928. ) The kWeld from Keenlab is an excellent battery spot welder, especially as a desktop unit with the accompanying ultracapacitor bank kCap, the power supply module kSupply, and a compatible server power supply. jpg (173. New supply for my k-weld spotwelder: supercap, 18650-based, LTO or LiFePO4? Kweld making very weak welds? Are leisure batteries suitable Yes, but only the one recommended (Bosch SMT 31-100) by Keenlab. ) IMG_20191121_135638356. The kSupply module is designed to rapidly charge the kCap ultracapacitor module for high speed welding with kWeld. IMHO, the beauty of the kWeld design is that it is a well formed 'welding core' , a bit like the thermal imaging Second thing, I finished new power supply battry, 5s12p A123 anr26650m1b, as expected, even with connectors on power cables I reached overcurrent with 1980A, will I kill unit when using it with that power supply? Longer power leads will make conductance too or only electrode cables can't be long? Adding connectors at electrodes should help? Full kWeld kit by keenlab with assembled cables. For example, a regulated power supply is one that maintains constant output voltage or current despite variations in load current or input voltage. 15mm nickel 0. With the right power source, the kWeld unit is capable to weld pure nickel strips of up to 0. Connect a suitable current-limited power supply to the inputs of the module, and the kWeld to its output terminals to create a stationery spot welding Hello, Is the kWeld worth is? Its seems to be highly regarded but all said and done with a power supply is nearly $400. Pic 1 : switching power supplies 12V 30A and because of that reason you need a much higher output power than what kWeld can deliver. Changes: Thicker base. At the same time, the storage capacity is large enough to deliver enough energy for multiple hi, it comes with a 12v and 10A power supply. Higher is better up to the limit of 2000amps the welder can handle why because. Using 50J to spot-weld 0. Purchase this item at no cost through the shop system, and you’ll be emailed a download link. [ Filament used in photos is Fusion Filaments HTPET+ Plutonic Purple ] [Camera doesn't do the purple justice, it really is gorgeous] When deciding how to power your kWeld spot welder, you have several options. There is a picture showing this on the product page: • extended input voltage range from 4V to 30V allowing the use of ultracapacitors without an auxiliary power supply • improved protection against inductive kickback of both power switch and voltage regulator, tested to survive currents in excess of 2500A • enhanced user interface featuring a rotary encoder with push button Cheers Frank This spot welder board works really well. 12. The current is determined only by the combined system ESR, and the weld spot resistance. The resulting current is only limited by the summed resistances in the current path. 09 kB, 576x768 - viewed 639 times. IP2X finger-safe You might get lucky using a fixed supply. Gas Welding Products; Arc Welding Products; Welding Machines; Filler Metal Products Unlike conventional inverter power sources, our power sources use Direct Control Technology to control the switching transistors without a fixed pulse frequency directly in line with the requirements of the welding process. 22, I did a good job on the electrode assembly it seems That’s exactly the idea behind kWeld. It notes that a power supply is not included, but recommends several high current lithium polymer batteries that have been tested Find the keenlab spot welder "kWeld" that enthusiasts agree is the best spot welder for it's quality build and performance. I see the power input is 4-30V per the instructions, but yet everyone uses 12V (3s Lion). Join it and buy there. The kit was sent without the power cord for the Kweld power supply and also the foot pedal wasn't sent for the Kweld. They offer supercap bank with charger or recommend some RC batteries. • The electric power is not normally used in the form in which it is produced or distributed. Kweld complete Battery Spot welder Cables assembled. " Kweld power supply question These power supplies are vacuum encapsulated to provide maximum resistance to shock, vibration, and humidity. Products. That "AWithZ" 14-kilowatt unit that I linked above is $289 and comparable to kWeld power output and the 29-Kilowatt unit (the most powerful Hello, Is the kWeld worth is? Its seems to be highly regarded but all said and done with a power supply is nearly $400. The power switch has less resistance than any other similar device, but this advantage is being eaten up by The kSupply module is designed to rapidly charge the kCap ultracapacitor module for high speed welding with kWeld. I have the capacitor bank with it and other extras. 3mm stock. Kweld power When you test it, what amperage was it showing? KWeld has a calibration/test mode. I am welding. Voltage range 4-30Volts DC. Pretty sure I burned up the two server power supplies I was using to power it. The caps, supply and power supply aren’t really needed and you dont gain much benefit over a car battery and trickle charger. 3'' touch screen - USB, RS232, PLC interface, dual trigger - folded steel enclosure - price tag Please note that a power supply is not part of the kit. kweld power supply has to be selected to provide enough amps to weld and not too much from the inductive spike. 14. 1 x adapter board. ) Noob & not sure how to finish new Kweld set up Locked post. Schultz 100 mW. The most suitable battery pack I have was 3S1P LiFePo pack with internal resistance of 5mΩ. 29. . Related posts. So it seems like the options are 1)big lead acid (not recommended) or large lithium ion battery 2) their super capacitor setup, their supply board and then you need to buy a constant current power supply like a mean well. Hello guys! I bought a kweld last year, but didn't get a chance to use it properly. Dreddi. They seem to stand the abuse - they are barely warm when the electrodes get unpleasantly hot 32 welds at 50J, with 1300A average This is This is wonderful for portable use away from the lab, or just where you do not want a bulky mains power supply. There comes a time when the Kweld emits a very sharp and continuous sound and a little later emits another different sound (tick - tick - tick) until finally everything is completely turned off. Cannot agree more about the kweld. 38. Mar 10, 2020. 0 out of 5 (0) SKU: n/a $ 70. A Subreddit Dedicated to the (462 MHz) GMRS Radio Community. 31. The kweld saves time in a way but it overheats fast so soldering isn't going to be ridiculously more time. Full kWeld kit by keenlab with assembled cables. They post: I would like to recommend the Kweld to anyone who wants excelent tool for spot welding without selling the kidney for professional spot welder. kWeld - Pienikokoinen, mikroprosessoriohjattu pistehitsi. I assume that Maingear isn't manufacturing its own units, so does anyone know what platform they are based on? Kweld power supply question. Kweld power supply question If you want to go this route, there's several choices now for welding. I already have a laser-cut sheet metal enclosure here on my desk, form example. Follow Following. that carries the positive from the power source through the fuse and the negative electrode the one that comes from the power source and goes through the kweld mosfet switch. Connect the oscilloscope to the capacitor and set it to trigger just above 0V and then connect the power-supply to the capacitor (matching polarity of PSU and cap). Imported from Thingiverse. For those looking for I have several spare switching power supplies 12V 30A (per pic. Remix of the flat no support, no screw Kweld case. My old welder connects directly to the capacitors and uses a much thicker electrode wire. Kweld power supply question upvotes · comments. • A device that transfers electric energy from a source to a load using electronic circuits is Energy star was chosen (default), but balanced was indicated to be "recommended". I haven't been able to find much on the Ignition power supplies. It should ideally kWeld - "Next level" DIY battery spot welder - Page 13. Compare. TRC boasts the highest qualifications in MEAN WELL product knowledge. 2017-08-29. com My goal is to solder copper 0. Case for the Kweld Battery Welder and KCap power module, This case combines the 2 units into one for easier use and storage; an XT60 connector is used for feeding the supply voltage to the capacitors. Build/repair battery packs! The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. kWeld is operating its power I usually start around 20J and work my way up, but I am using LiPo batteries to power my KWeld, so your settings might be different. There's honestly a lot to learn. 25 nickel steel plate with success Having a second pulse results in better welding. I've read the information on their site. The tool of choice for lithium-ion pack building gurus. | Download free 3D printable STL models. Related posts . A very common question we get is how to select a good power source. What is the requirement driving this? My current configuration has the li-ion battery wire connected to the KWELD leads, so ratio of power wire lengths is now different than original ratio of supply wire lengths. Open comment sort options FunDeckHermit • You need a power source to charge those supercaps. Advertisement (G A fully printed case for the kWeld battery spot welder with the kCap, and the hstns-pro01 power supply. keenlab. pdf), Text File (. 3 mm nickel on power level 3 out of 6. Keep in mind that not only the battery ESR has to be overcome, the welder kWeld spot welder for lithium cell packs. Maybe the problem is in the added cable. It's as easy as a lego kit, and doesn't really require any special tool. The winner for performance and quality. It also depends on the power and thereby amperage demand of the drives. Wattage: 800W-1000W (800 watts at 100 VAC to 1000 watts at 200 VAC max. They look great on paper, but 80+ ratings can only go so far. The Go 2 will use no more than 45 watts and will typically run at 20-30 watts. In my final configuration i will probably have to I have a feeling that Kweld needs a more powerful power supply. Today I tried a 0. 00. Spotwelding 0. The author remixed this What you can do is try to utilize as many of the peripheral pigtails your power supply provides so you're not daisy chaining the whole lot off one power supply connector. 000uf cap on the supply,now works perfect,ok a bit of hassle sorting it,but worked out ar about a third of the price of a kweld,if you get one add a For a power supply, 12V car starter batteries and also large ultra-capacitors have been used with success. I've bought the Chinese knock off and then the kweld. Thanks for the info - very helpful. The spot welder all the gurus and threads reference as "the best spot welder". Buy keenlab's kWeld resistance spot welder right here, in Canada, from keenlab's exclusive Canadian distributor, Grid Rewired. This gives 4. pdf - Free download as PDF File (. RD6012P case bench power supply style Owon XDM1041 . There will be a kit that includes the capacitor module, and also one Also they used to recommend a 3s lipo for kweld. lazygun247 • THere's fb group for kweld usa. Beyond just powering stuff, you can use them to very gently recharge over discharged cells. The Kcap is so you can use a powersupply or low output sources. 403. I was using a cheapo lipo battery with insufficient power output. The following picture shows a thin copper strand welded to a 2mm steel rod: The necessary power supply for the welder is not part of the kit. Logic supplied directly from battery no need for a separate auxiliary power supply; Two customers of mine are using kWeld for this, and after having lowered the minimum energy setting to 0. Reply reply Mzam110 • Just get the kweld and use a lipo battery as the power supply Reply reply ben_r_ Alternatively, the module can also be connected to any 12V power supply (like for example a desktop computer’s ATX power supply) by attaching cables to its screw terminals. bigbore said: However, some potential customers have concerns about using LiPo, so I am investigating what an alternative power supply might look like. That should enable kWeld to inject current through the Cu-Ni(Fe) sandwich as high as kWeld's limit 2,000A quickly, t (mSec) will be shortened by as much as 3-4 times (theoretically). License . Read more. I built a 20kw pack for my ev with it. Geevorks DIY Spot Welding Tool 99 Gears for 18650 Battery Various Welding Power Supply / 12V car battery, Automatic/Manual Touch Welding Mode. Create. Hp power supply hstns-pr01 – battery physics. I went with a different choice, but now I kinda wish I just bought kweld from the start. This HP Power Supply is recommended by Keen Labs’ for the ‘kWeld Spot-Welder DIY-Welding-kit DIY-Spot-Welding-Kit. This article is already included in the full kWeld kit and sold here separately to allow purchasing only specific components of the kit. These interface solutions support the connection of SKS I have also kSupply and an HP server power supply attached, which is currently set at 8,1 V. For the power supply of the kweld I can use LithiumWerks 26650 lifepo4 2s8p cells. MEAN WELL is a global leader in producing high-quality standard AC/DC power supplies, LED drivers, DC/DC converters, and DC/AC inverters. Afaik copper sheet spot welders deliver currents of 10kA and more. The resistance of the kWeld system is roughly 3. I heard and saw some Videos about the kweld solutions but found this one more featured. Capable, versatile, built in Germany with consistent, excellent quality. 8 A, while charging the voltage over the lamp will decrease 3. 4mm nickel strip. The hard part is it seems out of stock everywhere. When using a 12V power supply, and limiting the current to 1700A, this yields a minimum system resistance of 7 milliOhms. I am using two 20 amp hour Prismatic lithium iron phosphate cells and it works great. Don't hesitate to tell us what you'd like to see on our shelves! Get kCap,kSupply I've finally managed to get everything together and start working on a small pack: Everything is on a clear table - batteries + high power stuff don't go well with my cluttered bench I've used 2 turnigy 3S 2200mAh cells in parallel. Mains powered kWeld battery spot I also reinstalled the fan in the opposite direction so that I did not need to use more than the one original fan or DC power supply to be able to cool the transformer and now also the main board I also had a Kweld for a while and that used to do nickel all day everyday without any problems but I accidentally broke it and they So generous assumption of 16 "avarage" modules will be covered by a 1A power supply. it’s in the manual, tho not that succinctly. Done with my project, considering selling the kweld. 83 kB, 576x768 - viewed 601 times. Is there any kind of mains based supply for the kweld? You need something which can push like 800amps at a few volts, ideally around 8-10. kWeld power supply recommendations 2017-08-29. I’m not sure the capacitor bank between the power supply (battery in your case) and the welder actually effects the welding Also they used to recommend a 3s lipo for kweld. Jopa 2000A hitsausvirtapulssit. Spot Welder Keen Labs KEENLAB – KCAP LASER CUT HOUSING KIT. Has anyone had experience with other voltage kWeld is a very capable battery spot welder. Kws-a single output 5w to 25w ac-dc pcb-mount power supplies. www. Build/repair battery packs! kWeld – 3D printed housing (STL model) Rated 4. 20mm strips, kWeld tells me that it's putting ~1450A through the probes so that's probably quite a But don't you think the power supply for kweld is a bit oversized. I really think there is no adverse effect if done properly. 34 Complete system, measured between kWeld cable ends 4. Product Details Control Circuit Transformers. So a 'power supply' would need to delivery like 5000-8000KW. r/batteries. 6V batteries will probably work as well, if the cells are as big as on the working 12V batteries. It provides as much as 70A of charge current. Remix of the flat case. jpg (147. For questions, news, and discussion about batteries, cells, chargers, charger/inverters, power banks and UPSs. xtt ird rmd mxthqe dwmmjp nktmutws uobvifg uhktd sqgrr mccqo