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May 21, 2021Characteristics And Uses Of Several Common BoltsAmong them, hexagon bolt is the most widely used one. Grade A and grade B bolts are used in important, high assembly accuracy requirements, and bear large impact, vibration or a... -
May 14, 2021What Should I Choose For The Method Of Anti Loose Of Fasteners Of Dry Goods?As a mechanical base, the trend of fastener is from structural fastener to functional fastener. With the development of automobile, high-speed rail, aviation and other industrie...
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May 06, 2021Knowledge Dry Goods | Absolute Classic! Empirical Algorithm For The Diameter ...Determination of diameter and depth of bottom hole and chamfer of hole before tapping thread (1) The determination of the diameter of the bottom hole is that the cutting edge is...
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Apr 29, 2021Technical Dry Goods Detailed Explanation Of Precision Fastener Forming Process1、 concept of cold heading Cold heading (extrusion) is a main processing technology in the forming process of fasteners. Cold heading (extrusion) belongs to the category of meta...
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Apr 22, 2021Interpretation Of Ultrasonic Bolt Preload Measurement TechnologyIn order to meet the large-scale and assembly line production mode in the automobile industry or construction machinery industry, the sub parts are usually produced by each sub ...
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Apr 15, 2021Steel Market ForecastLooking back at the iron and steel market in 2020, the imbalance between supply and demand caused by public health events from January to April was affected by the weak fundamen...
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Apr 09, 2021The Arrangement And Thinking Of The Industrial Chain Of High-end Fastener Ind...Take the automobile as an example. At present, most of the automotive fasteners have been localized, including 10.9, 12.9 grade high-strength bolts and some high-precision bolts...
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Mar 29, 2021Detailed Explanation Of Cold Heading Process Of Knowledge Dry Goods Nut1、 Classification of common nut cold heading process Hexagon nut is also a fastener with a wide range of surface. It has many production methods. Nuts with M24 specifications ar...
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Mar 19, 2021Global Steel Steel Production Will Decline By About 2.5% To 50.892 Million To...According to statistics released by the International Stainless Steel Forum (ISSF) on March 15, global production of stainless steel crude steel will total 50.892 million tons i...
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Mar 11, 2021Knowledge Dry Goods | Hot Spots Of Fastener Crack Nondestructive Testing Tech...Fasteners are currently widely used in engineering fields such as machinery, construction, bridges, and oil production. As the basic unit of large-scale structural parts, many f...
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Mar 04, 2021After The Year, The Raw Materials Rose Sharply! Downstream Fastener Enterpris...After the Spring Festival this year, the "good start" seems to be earlier than usual. Taking the fastener industry as an example, benefiting from the price rise of met...
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Feb 25, 2021Crude Steel Output In Each Province In 2020 Will Be Released!Recently, the National Bureau of Statistics released data on crude steel production in 31 provinces, municipalities and autonomous regions in 2020. Data show that in 2020, Hebei...
