Verify that the tip on the soldering iron has a sharp point and has not been damaged in any way. In this instructable i will try to teach you the basics of soldering. In most cases you wont need to add any more solder to the connection. Practical assembly techniques, handson demonstrations, and explanations by bests instruction staff. Nasa training program student workbook for hand soldering. I have soldered everything from 0 gauge wire to the smallest smd connectors. This helps to clean the surfaces being soldered and prevent oxidization of the hot solder. In the soldering process, flux is often the only variable that cannot be changed. Normally you would want to place your soldering gun under the wires and allow your solder to pull through. The hotblade, rotary, and bench wire strippers views a, b, and c, respectively are usually found in shops where large wire bundles are made. Wires and terminals 101 training wires and terminals 101 course provides beginning solder operators, engineers, and other personnel new to electronics assembly with the knowledge and the understanding of the steps involved in the preparation and inspection of common wires attached to terminals.
In this tutorial we explore soldering irons, soldering stations, types of solder, desoldering. Basic tools include an electric soldering station a temperatureadjustable type preferred, solder, a pair of needlenose pliers, a wire stripper, a flush cutter, a desoldering bulb, a utility blade, and a third hand or a vice. Once enough solder has been added to the joint and it has flowed well onto both the component lead and the solder pad, remove the iron from the joint and allow it to cool undisturbed. In this video i show you the tools, tips, tricks, and techniques to properly solder, from what type of solder and flux you should use to how to splice the wires together for a strong soldered joint. Equipment required 1 soldering iron and associated power supply 1 sponge, wet 1 protoboard 1 wirestripping tool 1 thirdhand if available or tape or clamps. Oct 26, 2015 for every joint, you need to find a way to hold the wire in position without using your hands photo 4. If in doubt the blue soldering iron tips have a 7 stamped on the end of the tip indicating an operating temperature of 700f. Choosing a soldering iron there are many types of soldering irons. The silver soldering process is a form of brazing because it uses a temperature above 800f. Solder is a tinlead alloy with the exception of leadfree solder which is a tincopper alloy. Jul 10, 2017 through much experimentation and jewelry play, i found that by combining two common jewelry techniques wire wrapping and soft soldering something magical happens. Customers often specify a particular flux that must be made part of the rework process. An article from tech search international last year did say that in. Keep the iron in place and touch the solder to the wire until its fully coated.
Apply the solder wick and soldering iron to the desoldered connection. Soldering and desoldering instruction soldering is defined as the joining of metals by a fusion of alloys which have relatively low melting points. The circuit performance and working depend on the perfect soldering, it needs talent and working on the good soldering techniques will help you to make. If you want to combine 2 wires, you can easily use. This standard shall not be rewritten or reissued in any other form not approved by nasa. The selection of the proper flux and its correct application are essential to proper soldering.
This process should melt the solder and coat both wires evenly. The circuit performance and working depend on the perfect soldering, it needs talent and working on the good soldering techniques will help you to make an excellent working circuit. Its worth noting that, at least with smaller wiring, the experts are split. This includes all individuals in the vicinity of someone who is soldering. This type of construction was common from the 1960s until early 2000s and is still used by hobbyists and in small scale production where manual assembly is preferred. Hold the two tinned wires on top of each other and touch the soldering iron to both wires.
The solubility of the flux determines which wash processes can. Oct 08, 2016 note the soldering technique in this video was altered related to a bad soldering tip. The design, materials, and processes shall be defined in engineering documentation. Soldering involves melting a lowtemperature metal alloy over a joint or wire splice to secure 2 pieces together without the risk of them coming undone. It will end up costing you more in ruined kits and damaged components.
If you are attaching a wire to an existing hole on the board, make sure that the hole is clean and free of any excess solder see desoldering for more detail. Both leadtin and silvertin material can be soldered. You use a soldering iron to heat the component leg and the pad, then apply solder. Wrap the wire through the solder lug once to make it hold tightly on its own, use tape to hold it in place, lay a pair of pliers on the wire to hold it firmly where you want it, or use a mechanical soldering. The trick to soldering is identifying when you have the right amount of heat and solder. Soldering is accomplished by heating the component lead and pcb pad with a soldering iron and melting solder wire into the joint.
In this tutorial, we outline the basics of soldering irons, soldering stations, types of solder, desoldering and safety tips. The soldering iron tip should contact both the component and the pcb pad. Jewelry using soft soldering techniques, china, glass, wire. I bet youll never see these in a class at the university, haha. Other typical wire strippers in use in the navy are illustrated in figure 21. This is an investment that will make your soldering. Have good ventilation when soldering, and try not to breathe in the fumes.
Learn how to insert the correct tip in the soldering iron, tin it when new, select correct heat setting on the white soldering irons this is critical and must be set at only. Soldering problems can normally be avoided by bringing the metals to soldering temperature quickly and completing the solder application in. Hand soldering basics university of colorado boulder. Soldering is more like gluing with molten metal than anything else. Chapter 6 soldering, brazing, braze welding, wearfacing. Fluxes have differing levels of activity, or abilities to remove contaminants from the device terminals and pcb pads. Other processes not covered by this standard may be required. This advisory circular ac contains methods, techniques, and practices acceptable to the administrator for the inspection and repair of nonpressurized areas of civil aircraft, only when there are no manufacturer repair or maintenance instructions. Become familiar with the general practices involved with soldering circuit boards, wires, and other electrical components. Here this article explains the methods of soldering which require soldering lead, soldering iron, and flux along with a printed circuit board and layout diagram of.
In this video i show you the tools, tips, tricks, and techniques to properly solder, from what type of solder and flux you should use to how to splice the wires. Read and understand the lecture notes pertaining to soldering techniques and. Right apply a clean soldering iron tip to the copper solder pad and the component lead, in order to heat. With the proper tools and techniques, productivity will increase, board quality and. Soldering quality and performance vary depending on tip geometry, board thickness, temperature, flux type, technique, etc. Normally you would want to place your soldering gun under the wires and allow your solder to. The composition of the flux will vary depending on whether it is in a paste or wire, leaded or unleaded solder. Trim the lead use your diagonal cutters to trim the lead close to the board. To solder two pieces of wire together, just place the tinned ends side by side and heat briefly. Introduction reflow process overview selection of solder paste.
Cutting any wire other than soft copper, tinned copper wire, component leads or solder with the small 90 mm side cutters will ruin them instantly. Weller tips for electronic soldering tools are carefully designed to give accurate temperatures measured at the center of the solder wetted area. How to solder wires together best tips and tricks youtube. Im talking about the application of wire wrapping used in electronics design.
With this jewelry lesson on good binding wire techniques, a foundation is laid, where correct binding wire practices and tricks are taught. When picking a wiresolder, there are 4 features to decide on. Process recipes will differ depending on the alloy composition. Of these four, induction soldering was selected as the best technique in terms.
Different methods of soldering required for electronics. Make sure you have the materials you are going to solder ready, wire. During the preheat soak also know as the flux activation stage, the solder paste and soldering surfaces should be roughly the same temperature. With the proper tools and techniques, productivity will increase. Through much experimentation and jewelry play, i found that by combining two common jewelry techniques wire wrapping and soft soldering something magical happens. You should also have some basic hand tools, such as wire strippers, needlenose pliers, wire cutters, and something to hold the wire in place while a solder joint cools photos 2 and 3. Check the power cord for burned or melted sections that show bare wires. So this is the most basic of the soldering techniques.
Become familiar with the general practices involved with soldering circuit. Using binding wire to secure two components that have to be soldered together, should be simple and straight forward. For soldering larger things like 10 gauge copper wire, motor casings, or large heat sinks, you may need upwards of a 50 watt iron or more. Use a properlysized point for the soldering job to be completed. Soldering is a skill that is essential for anyone interested in the construction of electronics projects and electronic circuits. To avoid soldering problems, it is extremely important to work with clean materials and the correct amount of heat. The finished solder joint metallurgically bonds the parts forming an excellent electrical connection between wires and a strong mechanical joint between the metal parts. The maximum soldering temperature should be at least 510c lower than the melting temperature of any thermoplastic components if used. Following are the few important guidelines to be followed to get best results in soldering. Sep 12, 2014 so lets have a look at different soldering techniques. Typically, you only need a heat source, a soldering copper or iron, solder, and flux. Mains electricity 240 volt will not be connected to any electronic components. Now lets look at how to use soldering irons properly, and how to put things right when a joint goes wrong.
Soldering a wire to a circuit board soldering a wire to a circuit board this is delic ate work that you will do while soldering. How and when to use wire wrapping by ryan winters product marketing manager create connections with a twist no need for a back beat. King terminals remain crimpon, while garmin and others utilize pins with solder cups. This helps prevent transmitting mechanical shocks to the copper foil. For electrical soldering both solder wire and solder paste contain flux. Desoldered pcb pad 1 2 3 soldering safety wear safety glasses when soldering. Soldering desoldering instruction techno square inc. Whether youre building a robot or working with arduino, knowing how to solder will come in handy. For soldering 44pin chip carriers to a board using soldering preforms, power levels were on the order of 10 watts and solder times approximately 1 second. Use a good soldering iron, preferably a cordless one, or a temperaturecontrolled soldering station.
Staples and paper clips are made from hardened spring steel and they must not be cut with these pliers. For most adafruit kits and projects, you will want a pencilstyle soldering iron with 25 watts or more. When combined, wire and soft solder create an entirely new jewelry technique, the end result of which has an alluring look and feel unlike any other, hence the alchemy. Soldering tips for beginners top 15 soldering tips from jameco customers. Soldering is accomplished by quickly heating the metal parts to be joined, and then applying a flux and a solder to the mating surfaces.
Learning how to solder w proper soldering techniques is a fundamental skill every maker should master. Things i will go over things you will needsolder ironssold. Make sure that the wires to be soldered are perfectly clean. Ensure that both the component leads and the pcbs copper layer are heated at the same time. And at the end of the article, ill include a fun video with some techniques i call guerrilla soldering. Nasa training program student workbook for hand soldering december 1998 national aeronautics and space administration. The soldering process is done in various electrical and electronics projects to combine the components with the roots of the printed circuit board. Adafruit guide to excellent soldering adafruit industries.
Not only will a knowledge of how to solder and general soldering techniques enable reliable solder joints to be made, but the finished electronic project will look much better, and it will be possible to take pride in the overall job. Best soldering technique how to solder in hd youtube. When using any of these automatic wire strippers, follow the manufacturers. Use the thinnest solder appropriate for your project. A key characteristic of fluxes is their solubility. Flux can be found in solder core wire, or added to the solder joint in liquid or. Wrap the wire through the solder lug once to make it hold tightly on its own, use tape to hold it in place, lay a pair of pliers on the wire to hold it firmly where you want it, or use a mechanical soldering aid to hold it. The solder wick will draw the excess solder off of the pcb pad. The following is a list of tools for a typical soldering station. When soldering wires to connectors, first tin the bare wire and the connector with a small amount of solder. The devices must be held at the peak soldering temperature long enough to ensure the. This technical note outlines some basic rules of thumb that apply to all hand soldering operations. Left its usually best to snip the electronic component wires to length prior to soldering.
In other words, you use a metal that has a low melting point to adhere the surfaces to be soldered together. From the preliminary test results, four techniques were selected for final testing and evaluation. Soldering and mounting techniques on semiconductor. The basic soldering guide photo gallery s oldering is a delicate manual skill which only comes with practice.