Spot welding gun pdf

My name is darek and in this video ill show you how i made a spot welder diy using simple tools. Tig spot gun operation manual overview tig gtaw spot welding is a fusion welding process, which allows sheet metal gauge materials to be spot welded together from one side of the material unlike the resistance spot welding process, which requires access to both sides of the material. Standard bga manual welding gun steeljoint 212 635 475 o55 o330 a complete manual spot welding package further to manual welding guns, comau has developed its own standard package for. This virtual assembly is designed to insure the requested weld force and adapted to spot. Resistance spot welding gun with force amplification new potentials for welding of ahss with airpowered welding guns jonny kaars m. Tecna portable spot welding guns top of the line, selfcontained suspended production spot welding guns with integrated transformers and digital weld controls available in c and scissor style. But the quality of spot welding isnt good, some time they are selfdetached.

As a world leader in welding equipment and welding systems for the automotive industry for more than half a century, aro is a name which has become synonymous with resistance welding. On this channel you can get education and knowledge for general issues and topics. Snow is a distributor of top of the line, handheld or pneumatic spot welding guns with integrated transformers and digital weld controls. Spot welding joins two sheets of metal together by applying a force to close the gap between the sheets and then passing an electrical current through the contact point causing fusion of the metal at the contact point.

A spot welder helps you connect two pieces of metal together at a specific, circular point, which is very ideal for a lot of auto body work. They have been supporting the automotive industry in the us with robotic weld guns and nut feeding equipment for decades. An automatic tip dresser is used to sharpen the electrode figure 8. More info get quote small portable spot welding guns t. Process planning of resistance spot welding oscar an dersson licentiate thesis in production engineering stockholm, sweden 20 oscar andersson process planning of resistance spot welding kth 20 issn. The top countries of suppliers are turkey, china, and india, from which the percentage of types of spot welding gun supply is 1%, 93%, and 3% respectively. Both of terminal make from copper, thickness of terminal a is 0. The robot is programmed to know when the gun reaches the speci. We deliver all the components you need to setup a perfect workstation for the classicgun manual welding gun ready to plug in and everything from one, single source. Spot welding basic parameters setting basic calculations. Integrated microprocessorbased solidstate digital controls. Pdf online precision measurement of weld indentation in.

The spot weld gun consists of two arms, each of which carry contact tips. Also, the mechanics of the weld gun arms can differ. Wsitecna lightduty spot welding guns are available in ctype and scissortype xtype in 2. Selection and applications of automatic spot welding methods. The improved motion sequence by the servo welding guns, as well as the automatic calibration feature to optimize acceleration and deceleration of the gun speed, leads to a signi. In electric resistance welding erw methods, a high current is passed through the metal pieces to be joined together and the heat is produced due to the resistance in the electric circuit. Welding guns tool balancers tecna welders welding guns. Abb spot welding robot application equipment and accessories. In addition to offering an abundance of resistance welding consumable products, the centerline electrodes division is also a manufacturer and supplier of wire welding contact tips, insulating materials and bushings, weld gun replacement parts, castings, forgings, shunts, cables, spot welding machine arms and caps, seam.

All aro guns are offered with aro control cabinets and various accessories aimed to optimise each manual welding solution. Fully automatic spot welder for automotive production, 10 khz cgun czechoslovakia. Available with either 2 or 4position schedule selectors. Integrated transformer contributes to reducing electricity consumption and to increasing welding efficiency.

Todays automobiles typically contain fivethousand or more welds. Fully automatic spot welding system for application in. For spot welding using air gun upon receipt of the product and prior to initial operation, read these instructions below thoroughly, and retain for future reference. For more information about spot welding portable guns or help sizing a gun to your application, please contact t. Based on the 3d models and related information about the metal sheets that will be spot welded, transferred by the customer, a concept welding gun design is generated. The tig spot weld process is not suitable for aluminum, galvanized or coated materials. More specifically, it tells the electrodes when to close and when to open, and it tells the welding current when to start and when to stop. Furthermore, we keep an inventory instock at our warrensville heights, ohio location for quick shipment and delivery.

The most common are ctype and xtype guns, which differ in shape and force. Let the spot weld gun cool after every 10 to 12 spot welds. The tig spot weld process uses a conventional tig welding machine and must be equipped with a spot. The welding control may be thought of as the brains and the machine as the muscle of the overall resistance welding system. Process specification for the resistance spot welding of. Resistance spot welding gun with force amplification. Optimization of spot welding process parameters for maximum tensile strength manoj raut 1 and vishal achwal corresponding author. It is used extensively in the production of car bodies. Introduction allengesin spot weldingofahss large weldingforces tight weldwindow. Spot welding gun the flexgun is a simple and robust modular spot welding gun with parallel arm movement enhancing arm to guarantee process quality. Process planning of resistance spot welding oscar an. Spot welding is widely used in the automotive industries for the efficient joining of metal sheets 35.

Due to the buildup of heat, it is strongly recommended that you. Process planning of resistance spot welding oscar an dersson. Mf inverter tecna portable spot welding gun tecna resistance press spot welder tecna rocker arm spot welder. The welding gun shall be designed for being held manually and shall provide for readily adjusting the force applied to the stud. Two common alternatives are dominating, linearly moving electrodes, see figure 9, and so called xguns. In general, the highest resistance results in the highest heat assuming that the resistance welding power supply can produce sufficient energy to overcome the resistance. A wide variety of types of spot welding gun options are available to you, there are 162 suppliers who sells types of spot welding gun on, mainly located in asia. Resistance welding is not recommended for aluminum, copper or copper alloys. Carefully read this manual before using the spot welder.

We also carry a complete line of bench welders, portable spot welding guns, spring tool balancers and tool retractors and accessories. Movable resistance welder is typically referred to as welding guns. Manual welding gun steeljoint 212 635 475 o55 o330 a complete manual spot welding package further to manual welding guns, comau has developed its own standard package for. Dengensha ndz welder brochure dengensha ndz control manuals. Spot welding is attractive to the industry for its speed and relative simplicity, however, it is not without its disadvantages.

Classified under resistance welding, spot welding acts by generating heat with use of a high current, approximately about a100 000 a. Pdf design of flexible spot welding cell for bodyin. Cheap spot welder diy using simple tools plans youtube. For spot welding, the guns normally include a pneumatic or hydraulic cylinder and are designed to fit a particular assembly. Welding cabinets media panel manual tip dresser single and dual welding gun version standard welding gun command interface. Diameter of the electrode contact surface should be.

If the gun is pneumatic, the xrc turns on the output to close the gun. Accidental contact of electrode to metal objects can cause sparks, explosion, overheating, or fire. Please call for information on new or used portable gun equipment options. Continue to hold the spot weld gun against the workpiece for a second, to allow the top layer of molten metal to cool and solidify. Check and be sure the area is safe before doing any welding. In this video we will discuss about what is spot welding machine. These are best suited for welding small fasteners, such as m6 and m8 weld nuts, as well as other longterm. We have globally set the standard for innovation, durability and lasting value. Various sizes are available from our standard range. This is needed because of soft electrode material, high welding current, and. The spot gun is connected to the welding machine just like a manual tig torch. This means the gun will be exposed to heat and pressure that will cause deformation of the welding electrodes.

Manometer unit for welding pressure regulation at the electrodes. Spot welding tips always read and follow the safety precautions and operational instructions in your owners manual. Wilson you can spot weld, tack weld and burn holes in metal with this welding gun you can make yourself after you build this arc spot welder, youll find that you can spot weld sheet metal without a back up, also tack weld, and burn holes in sheet metal faster than you can drill them. Spot welding cabinet, data sheet, pdf file, a4format. Instead of spot welding gun attached to the robot, a stationary spot welding gun and a moving robot carrying a part can be used for parts that require movements in. About 45% of these are spot welders, 32% are plastic welders, and 1% are mig welders. Welding equipment, welding guns and feeders dengensha. Since 1935, our headquarters in japan, dengensha toa co. Welding gun with plait cables covered with a special bushing.

The flying sparks, hot workpiece, and hot equipment can cause fires and burns. Apr 17, 2016 we made a metallic frame with a stable basis to support it and we also made some holes on it in order to be able to be screwed on the spot where it will be l. It is designed for heavy electrode force, has its center of gravity near the robot attachment and is easy to integrate and maintain. Spot servo equalizing allows you to solve spot welding gun equalizing without mechanical hardware. Introduction to spot welding working principle of projection welding introduction to spot welding spot welding is one of the type of welding processes.

This virtual assembly is designed to insure the requested weld force and adapted to spot weld in the required areas. Online precision measurement of weld indentation in resistance spot welding using servo gun article pdf available in ieee transactions on instrumentation and measurement pp99. Obara welding guns are renowned for their quality in order to satisfy customer requirement. Spot welding or resistance spot welding is a type of electric resistance welding used to weld various sheet metal products, through a process in which contacting metal surface points are joined by the heat obtained from resistance to electric current. As a side effect the so developed welding guns based on geometrically small sized 10 khz transformers and new gun design mainly on aluminum materials there were saved around 60 to 70 percent of the weight in comparison with guns build in state of the art. Introduction to spot welding working principle of projection. Tecna lightduty spot welding guns from weld systems. Micro digital 4 electronic welding control micro digital 5 only for top car. Page 10 spot welding application using an air gun system overview of spot welding system using an air gun stroke change level select the stroke of the gun. Microprocessorbased solidstate digital controls are available as. Abb has extensive experience developing spotwelding equipment to solve unique. Tig spot gun operation manual tec welding products.

More tecna products available, please browse our selection. With the development of car industry, welding guns evolved from manual guns to robotic applications. Your total source in resistance welding dengensha has the worlds most complete line of high quality welders, feeders, weld guns, controls, consumables and spare parts your total source in resistance welding. Basically, a welding gun applies appropriate pressure and current at the welding spot. Applied welding procedures are spot welding and also resistance projection welding. A wide variety of manual spot welding gun options are available to you. Tec tig spot weld guns will spot weld such materials as mild steel, stainless steel, monel, inconel in thickness of 18 3,2mm or less from one side only. Based on the 3d models and related information about the metal sheets that will be spot. These are best suited for welding small fasteners, such as m6 and m8 weld nuts, as well as other longterm singlesetup projects.

The medar weld control provides power to the spot welding gun. Page%2 %%%%%table1 stud welding methodselectionchart % capacitor dischargestud welding factorstobeconsidered. Check out our full line of spot welding robots today. Fully automatic spot welder for automotive production, 10 khz c gun czechoslovakia. Resistance spot welding is an important part of the automotive manufacturing industry. Pdf selection and applications of automatic spot welding methods.

Flexgun, data sheet, pdf english pdf data sheet water and air unit. Dengensha america has been serving as its sales and service office since 1985. Change by 2 signal for details on signal contents, refer to chapter 1. We use spot welding to connect terminal a vs terminal e. Spot welding or resistance spot welding is a type of electric resistance welding used to weld various sheet metal products, through a process in which contacting metal surface points are joined by the heat obtained from resistance to electric current the process uses two shaped copper alloy electrodes to concentrate welding current into a small spot and to simultaneously clamp the sheets. Spot servo equalizing allows you to solve spot welding gun equalizing without. Areas of potential injury on spot welding machines are detailed, and practical solutions are. Instruction and installation manual spot weld, inc.

Aug 25, 2017 cheap spot welder diy using simple tools plans. Fanuc americas full line of spot welding robots provide robotic spot welding automation solutions that improve all aspects of a spot weld manufacturing process. We made a metallic frame with a stable basis to support it and we also made some holes on it in order to be able to be screwed on the spot where it will be l. Manually operated welding guns, applicable to various welding specifications. Spot welding machines spot welding information page. Using an electric arc, spot welding essentially melts a top sheet of metal to fuse with a bottom sheet, making it a great way to connect body panels and make repairs. As a side effect the so developed welding guns based on geometrically. The tig spot weld process uses a conventional tig welding machine and must be equipped with a spot timer and high frequency arc starting. The flexgun is a simple and robust modular spot welding gun with parallel arm. One general criterion of resistance spotwelding is that the weld shall have a nugget diameter of 5t 12, t being the thickness of the steel sheet. Process specification for the resistance spot welding of battery assemblies.