Principles and methods of thread inspectionThread inspection is one of the most controversial events in trade. Due to the inconsistency of thread inspection methods and rules, thread gauges sometimes "fight" with each other. Different coatings on the surface of threaded fasteners, thread gauge dispu Read More
① Bolts: Bolts are generally matched with nuts (usually with one or two washers) and are used in occasions where they play a connecting and tightening role.② Nuts: Nuts are used in combination with bolts.③ Screws: Screws are usually used alone (sometimes with washers) and generally play a tightening Read More
Steps of photovoltaic power generation1. Solar cell production: This is the core component of photovoltaic power generation, which converts light energy into electrical energy through semiconductor materials.2. Battery module packaging: Connect and package multiple battery cells to form a component Read More
Shanghai - From June 13 to 15, 2024, the annual global photovoltaic industry event - SNEC 17th (2024) International Solar Photovoltaic and Smart Energy (Shanghai) Conference and Exhibition was grandly held at the National Exhibition and Convention Center (Shanghai). Haina brought its latest develope Read More
1. Color steel tile solar roof mounting systemDescription: The above fixture + rail installation method is suitable for light steel structure color steel tile roof. According to the different types of color steel tiles, choose the appropriate matching fixture.2. Tile roof solar bracket mounting syst Read More
Hot dip galvanizing is to make molten metal and iron matrix reaction and produce alloy layer, so as to combine the matrix and coating. Hot dip galvanizing is the first steel parts pickling, in order to remove iron oxide on the surface of steel parts, pickling, through ammonium chloride or zinc chlo Read More
First of all, stainless steel screws have strong corrosion resistance, high temperature resistance, and good anti-rust performance. However, they are not completely immune to external environmental erosion, and they will still rust in some harsh environments.1. The surface of stainless steel has dus Read More
A special type of nut used to weld nuts on thin plates with a spot welder. It is mainly used for sealing plate, panel and other structural parts of welding nut required by electronic panel cabinet of locomotive. Its advantages are high production efficiency, good performance, low energy consumption, Read More
304 stainless steel is one of the most widely used chromium - nickel stainless steel, as a widely used steel, has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; Stamping, bending and other thermal processing, no heat treatment hardening phenomenon (u Read More
