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Material: Stainless steel, Carbon steel, Brass
Standard: Q 198B&DIN 34817 - 2001&IFI 148 (US3) - 2002 US3&
Precision Welding Screws DIN 34817
Welding screws with round heads and metric thread, according to DIN 34817, are a reliable solution for professional welding applications. Available in a variety of materials and strength classes, including 8.8, A2, and A4, these screws provide excellent stability and durability of connections.
Excellent Durability and Corrosion Resistance
DIN 34817 zinc-plated (Zn) screws offer not only excellent strength but also corrosion resistance, which is crucial for long-term use in a variety of atmospheric and industrial environments. The round head and precise metric thread guarantee easy and reliable welding, translating into high assembly efficiency.
Product Specification
Name:Weld Stud
Material: Carbon Steel, Stainless Steel
Carbon steel Grade:5.8,6.8,8.8,10.9
1. The working principle of projection welding:
Projection welding is an evolution of spot welding. Generally speaking, a mountain point is punched out on one of the two plates, and then welded. Due to the concentration of current, it overcomes the defect of nugget offset during spot welding. One or more nuggets form at the joint.
2. Features of the projection welding process:
During projection welding, the electrode must drop rapidly as the bump is sub-collapsed, otherwise spatter will occur due to pressure loss, so a projection welding machine with good electrode followability should be used.
The electrode pressure should ensure that the bumps are completely sub-collapsed when they reach the welding temperature so that the workpieces can fit closely. If the pressure is too high, the bumps will be crushed prematurely, and the function of projection welding will be lost.
The reduced flow density will reduce the strength of the joint, and the pressure will be too small to cause sub-heavy splashing.
Usually, the welding time of projection welding is longer than that of spot welding, and the flow is smaller than that of spot welding. Multi-point projection welding is a slightly longer welding time than single-point projection welding to reduce the difference in heating at each point caused by inconsistent bump heights.
The current required for each spot of projection welding is smaller than that of spot welding the same spot, but the current must be able to melt the bump before the bump is completely crushed. The welding current is approximately the current required for each bump multiplied by the number of bumps.
Size Can also be According to the Customer's requirement for manufacturing, please check the detailed specification sheet details PDF, CAD, 149-150 Page See more product details.
Product Packaging
Packaging: The inner packaging is a plastic bag, and the outer packaging is a carton. Then the tray. Carton size: 29*19*19.5cm and 23.5*17.5*8, cm and pallet size: 215*100*90cm, or as your request
Product Pictures
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