6 Tháng Bảy, 2019 kỹ thuật cơ bản khi hàn hồ quang tay với máy hàn que Hồng Ký
3 Tháng Bảy, 2019 Nghề Cơ khí chế tạo máy: Nghề nghiệp ổn định trong xã hội 30 Tháng Mười Hai, 2018 Công nghiệp chế biến, chế tạo tăng trưởng khá cao nhưng thị trường thép ‘trầm lắng’
27 Tháng Mười Hai, 2018 Lão nông chế tạo xe đạp chạy bằng máy cắt cỏ “độc nhất vô nhị”
24 Tháng Mười Hai, 2018 Vệ tinh do người Việt chế tạo sẽ vào vũ trụ vào tháng 1/2019
Gas metal arc welding (GMAW) GMAW process creates an electric arc between an automatically fed wire electrode and the work piece. While the arc heat melts the parent metal and filler wire,a supply of shielding gas that removes atmospheric gases from the weld zone is introduced around the arc. The Gas metal arc welding procedure in […]
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Nearly mig welding machines have different price. Mig welding machine price relies on the electricity current and effectiveness.Furthermore, continuous adjustment function for welding current & voltage also has impact on quality of weld that is the most important factor to price of products. It not only the price and quality of mini mig welding machine that customers care but also the digital display […]
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Solid-projection welds are essentially strain-assisted diffusion bonds. Because the projection welding typically collapse at very high temperatures, diffusion bonding can occur within the very limited available time (usually, less than 1 s). Solid Projections A considerably wider range of solid-projection welding processes is commonly used in production applications. Annular projection welding, like embossed-projection welding, is […]
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The single filler wires used most commonly have diameters in the range 3.2–4.8 mm; smaller wires are prone to cause random arc wander, particularly with the relatively long electrical stick-outs that are used, and larger diameter wires are more difficult to feed. welding processes Although it is possible to use standard fluxes, special flux formulations with […]
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Impact energy is generally assumed to equal the maximum kinetic energy that is due to the acceleration of the flyer plate. Defining impact energy: Energy loss that is due to the bending strain energy in the flyer plate has been ignored in much of the earlier literature, because of its complexity. Recent estimates of energy […]
Read More In weldings, it usually takes place troubles and damages that makes your machine work ineffectively. In this case, maintenance is mandatory and if you know some simple tips to repair or maintain it, it is much economical and faster that celerate the productivity subtantially 1. Drive rolls not clear up or adjusted exactly. The drive roll […]
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