Six Surface Treatment Methods For Fasteners
1. Electroplating ZincThe most commonly used coating for commercial fasteners is electroplating zinc. It is cost-effective and has a good appearance, with various colors such as black and army green. ...
How to Choose Flat Washers and Spring Washers?
We often see in mechanical equipment:some bolts are connected with flat washers, and some bolts are connected with spring washers.Today, we will share some knowledge about bolt connection design. Flat...
What Are The Defects Caused By Fastener Forming Process
During the processing and manufacturing of fasteners, due to unreasonable design, improper material selection, processing technology, heat treatment and surface treatment process, the quality of faste...
The Role Of Heat Treatment Technology In Improving The Manufacturing Level Of Fasteners
High-strength bolts determine the main connection functions of high-end machinery and equipment, reflect the service life, reliability and economic affordability of machinery and equipment, and are the core of high-end machinery manufacturing.
How Can Fasteners Meet The Technical Requirements Of New Energy Vehicles?
With the strong development of new energy vehicles. Global auto manufacturers are also fully transforming to new energy vehicles, and auto parts manufacturers are no exception. Therefore, many auto pa...
Analysis Of The Reasons For The Loosening Of Assembly Bolts
The purpose of bolted connection of parts is to make the two parts connected closely fit. At the same time, in order to bear a certain dynamic load and ensure the reliable connection and normal operat...
What Are the Microstructural Changes During Tempering in Heat Treatment?
Tempering ProcessTempering is a heat treatment process that reheats the quenched workpiece to an appropriate temperature below the lower critical temperature, holds it for a period of time, and then c...
How to Prevent Hydrogen Embrittlement? How to Remove Hydrogen?
Prevention and dehydrogenationHydrogen embrittlement is largely unpredictable, and efforts to avoid it must begin at the design stage to determine part characteristics and subsequent manufacturing pro...
What Are the Microscopic Changes in Austenitizing during Heat Treatment?
Normalizing ProcessNormalizing is a metal heat treatment process that involves heating the steel parts above the critical temperature (the temperature at which complete austenitization occurs) by 30~5...
What Are the Microscopic Changes in Annealing During Heat Treatment?
Annealing ProcessThe heat treatment process of heating the metal or alloy to a suitable temperature, holding it for a certain period of time, and then slowly cooling it (generally cooling with the fur...
What Is Hydrogen Embrittlement?
Hydrogen embrittlement is a serious problem,it can cause changes in the structure of materials and lead to a sharp decrease in mechanical properties. Despite decades of in-depth research, there are st...
Factors Leading to Hydrogen Embrittlement
Factors that generate hydrogenThere are various factors that generate hydrogen. In most cases of hydrogen embrittlement failure in fasteners, the highest number of factors come from the pickling and s...
What Are the Fatigue Failure Modes of Bolted Connections?
Bolt Assembly Torsion FractureThe characteristic of torsion fracture is obvious necking elongation at the fracture location. The common causes of torsion fracture are mainly due to the small coefficie...
Classification of Anchor Bolts
Anchor bolts, as an indispensable part of construction and engineering structures, play a crucial role in ensuring the safety and stability of projects. In this article, we will delve into the two mai...
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