Nuts and bolts in welding machines are essential for assembly and maintenance. They are typically made from stainless steel for corrosion resistance or steel for durability and strength. Common types include hex bolts, which are easy to tighten, machine screws for precise fastening, flanged nuts to prevent loosening, lock nuts that resist vibration, and square nuts that can be gripped on all sides.
Grades of bolts often used are Grade 5 for medium strength and Grade 8 for high strength, adhering to ANSI/ASME standards to ensure quality. Special features include anti-vibration elements like lock washers or nylon inserts, and coatings such as zinc or black oxide to enhance corrosion resistance.
These fasteners are used in various applications within the welding machine, such as securing the frame and structural components, making electrical connections with conductive bolts, attaching heat sinks to dissipate heat, and mounting key components like transformers and inverters. Selecting the right nuts and bolts based on strength, material, and resistance to heat and corrosion is crucial, and always follow the manufacturer’s guidelines for proper use.
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