Pulse Sparkle Spot Welding Machine 200W Jewelry Welder for Necklace Gold Silver Platinum 110V Lap welding machine can be used for Rapid welding of platinum, gold, k gold, silver, steel, to ring the mouth, melon seeds clasps, precision fine welding, which can be soldering directly without solder powder, solder joints smooth and bright Using plasma high frequency discharge principle, the molten pool is formed instantaneously in the metal welding joint Adjust the output power according to the wire size,the welding work piece is bright and clean, fast and efficient Clamp the workpiece, workpiece can not touch welding needle directly, the distance between them is better 0.5mm. Do not step on the pedal with long time, just step it 1 time then move off immediately. Long time stepping on the pedal, machine will be short circuit, even to burn out inside electricity. Using plasma high frequency discharge principle, molten pool is formed at the moment of metal welding. Adjust the output power according to the different size of the wire The welding workpiece is smooth, firm, fast and efficient. Adjust the height of tungsten needle and turn on. Coarse tune/Mico tune. Clamp workpiece with fixture. Adjust welding distance, press and release the pedal switch. If you receive damaged items, please ensure that the labels are intact and<span class="a-text-bold"> </span>ask to &#034; have a replacement &#034; in returning, free of charge. If you are experienced,  the plugs are color coded, it is easy to figure out even though the instructions are not color plates. If you are new hand, although the machine is easy to set up and use, you still need a little training to make a beautiful workpiece. Pearl Drilling Machine can make aaccurate holing on precious stone as pearl, coral, amber and ornaments components such as gold, silver and copper from 4 - 35mm, equipped with 9 suits of special collets, which is suitable to the pearl in round or other special shapes. ASIN:B00JAHK9DC Argon welding machine can be used to weld: stainless steel, titanium, where the weak arc welding metal welding can be absorbed. ASIN: B06XWQXQKX Realize many functions such as deburring, chamfering, polishing, cleaning and so on. Suitable for grinding and polishing non-magnetic metal like platinum, gold, silver, and stainless steel. ASIN: B07GZJ8JWB Max Measurement: 100g; Precision: 0.001g;DC:1.5V 2 x AAA batteries(not included)T he LCD screen Will display readings in G, OZ, TL, DWT, CT and GN. With peeled and cleared funtion, count. ASIN: B07H5FQPBQ