The welding machine is useful to every craftsman. It is used to work with many products. To purchase it is not necessary to contact a specialized store. Resistance welding machine can be made independently from an old microwaveby applying the necessary knowledge and a little imagination.
The spot welding machine stands out among others for its functionality with a small consumption of time. It is used to connect two metal parts.. At the moment of heating with the help of electricity, adhesion of surfaces forms. This ensures a strong bond. The device itself is small and manually controlled.
A microwave is a useful kitchen appliance. In the modern world, it is present in almost every home. Special specialists found her application not only in the culinary field.
A large number of useful devices can be assembled from the components of the furnace, including a spot welding machine.
For the manufacture of required:
- microwave transformer;
- tape winding;
- electrodes
- wires for bundles;
- control parts (lever and switch).
After preparing the supplies, you can begin the installation and assembly process.
Workflow takes minimal time and knowledge.. Following established instructions and observing safety precautions, everyone can assemble a welding machine from an old microwave oven.
The first step is transformer extraction. The rear housing must be removed with care. The transformer should be carefully removed without using heavy or sharp objects in the process. The use of additional materials will cause serious damage. Such actions will provoke the causes of its malfunction.
For the manufacture of spot welding apparatus transformers from more powerful microwave ovens are recommended. They have improved functionality and will be more reliable during operation.
After extraction one of him windings - secondary. When carrying out dismantling work, auxiliary tools can be used to facilitate the work (the main thing is accuracy). If restrictive shunts are detected, their removal is also recommended. The primary winding is left due to the use of a denser wire and fewer turns.
After removal, a new coil is attached. To do this, it is better to use a wire with a diameter of at least 1 cm. After such an upgrade, the transformer is again ready for use. It will serve as the basis for the welding machine.
The next step is electrode mount. When selecting experts recommend paying close attention to the correspondence of the diameter of the electrode to the diameter of the connecting wires. Small copper rods are perfect for this.
It is recommended that short electrodes be used. This will provide consistently high power to the device. For large component diameters, special tips can be used.
For installation the tip and electrode are connected using bolts or nuts. It is better to use copper as the connecting material. Among others, they stand out with minimal indicators of electrical resistance. This will ensure no power loss.
Attaching controls won't take much time. These include lever and switch.
The lever controls the power flow between the part to be repaired and the electrodes. The base of the lever is mounted in the primary circuit to the movable electrode. Connection to the secondary winding is not recommended. This will cause significant power outages or cause a short circuit.
The length of the lever is selected depending on personal preferences and amenities that are necessary in the process.
The switch supplies electricity from the base to the welding electrodes. It also clings to the primary winding.
The switch is recommended to be located directly above the lever. This will provide additional convenience when working with the welding machine.
A spot welding machine made of components from a microwave oven is not only simple to assemble. The main advantage is a favorable pricing policy: the cost of constituent components is minimal. In most cases, they are absent at all, since all the necessary components are already available in the personal toolbox. The finished device in the storefront does not always attract the attention of buyers because of the rather high price. Self-assembly of a spot welding machine from a microwave is an advantageous solution.
It is advisable that the apparatus be equipped with a fan. If this is not possible, periodically during use it must be turned off to cool parts.
The spot cooking machine is used for a wide range of services. You can assemble the device yourself from parts of an old or malfunctioning microwave oven, saving a significant amount of money. The presence of a personal welding machine will also save personal time, because you will not need to contact specialized centers. With a competent workflow and compliance with the operating rules, the device will serve its manufacturer for a long time.
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