2025-03-29
Understanding residual stress: from generation to elimination
IntroductionAre you curious why metal parts are prone to deformation after processing? Why do bridge welds suddenly crack? Behind these problems, there may be an 'invisible killer' - residual stress! Today, we will unveil its mysterious veil, from the…
2025-03-24
Brief talk metal surface cleaning technology
Metal parts are widely used in our social life and are the most important industrial raw materials. However, the surface is easily contaminated and corroded by the medium. In order to reduce material loss, extend the service life of materials, and mai…
2025-03-22
Analysis of Blackening and Blueing Corrosion Protection
Which one can better improve the corrosion resistance of metals?The corrosion resistance of metals that have been exposed to blackening and bluing originates from the use of bolts. When the company's products are actually purchased, bluing treatment i…
2025-03-22
Explanation of commonly used forging processes
In the field of metal processing, forging technology, as an important forming method, is widely used in various fields such as automotive, aerospace, machinery manufacturing, and weapon industry. It uses forging machinery to apply pressure to metal bi…
2025-03-22
Advantages and disadvantages of sheet metal joining process
1、 Welding（1） Connection methodA processing method that achieves interatomic bonding of workpieces by heating, pressurization, or a combination of both, with or without the use of filler materials. Common methods include arc welding, resistance wel…
2025-03-22
What is the difference between 304 VS 316 stainless steel?
Stainless steel is a widely used and important type of steel, with 304 and 316 stainless steel being the two most widely used stainless steel grades in the world. Both have excellent corrosion resistance and practical value.There is no definition of &…
2025-03-18
What is salt spray testing?
Salt spray testing is a test method used to assess the corrosion resistance of materialsSalt spray test, as a widely used accelerated corrosion testing method, is an important means of evaluating the corrosion resistance of materials or products in sa…
2025-03-08
Metal Powder Injection Molding (MIM) Explain
Powder injection molding technology is a new process developed from plastic injection molding technology and combined with powder metallurgy, which is divided into ceramic powder injection molding and metal powder injection molding (MIM). The most sig…
2025-03-05
What is the hardness of metal materials？
Hardness is one of the most critical parameters in any machining process, as it affects material removal rate, machine efficiency, and tool life. It is the main parameter for understanding raw materials and cutting materials. Today let's talk about th…
2025-02-28
Discussion about springs
Springs, as a common but indispensable mechanical component, are widely used in various mechanical equipment and daily necessities. It cleverly stores and releases energy through its own elastic deformation, and performs diverse functions with a simpl…
2025-02-24
Sheet metal processing knowledge summary
Sheet metal processing is a key technology that sheet metal technicians need to grasp, and it is also an important process for forming sheet metal products. Sheet metal processing includes traditional methods and process parameters such as cutting, …
2025-02-15
How to process materials with severe deformation at specific temperatures?
To address the issue of severe deformation of a certain material at a specific temperature, multiple aspects need to be considered during processing to control and reduce deformation. Here are some specific suggestions:1. Material selection and pretr…
2025-02-11
how much do you know about bolt strength grades?
1.What is the strength of a bolt?In material mechanics, strength refers to the ability of a material to resist damage (excessive elastic deformation, plastic deformation, or fracture) when subjected to external forces. It is an important indicator in …
2025-02-02
Sealing method of anodized film on aluminum alloy
The film generated by aluminum anodizing, including electrolytic coloring, is porous (with a porosity of about 5% to 30%). This porous film layer has low hardness, poor wear resistance, poor corrosion resistance, and is easily contaminated. Colored fi…
2025-01-21
How to remove acid from blind holes after aluminum alloy anodize
The overall strategy for acid removal in blind holes after aluminum alloy anodizeThe residual acid solution in blind holes during the anodize process of aluminum alloys is a problem that needs to be solved. Due to the special structure of blind holes,…
2025-01-18
Surface treatment of fasteners
Fasteners, as connecting and fixing components, are widely used in various fields such as automobiles, machinery, electronics, etc. During use, fasteners need to withstand various environmental and mechanical forces, so surface treatment technology is…
2025-01-13
Understand the "spraying" process
1. Overview of Spray Coating ProcessDefinition and PrincipleSpray coating technology is a surface treatment technique that uses specific equipment to evenly spray paint in a mist form onto the surface of an object, forming a uniform coating film to ac…
2025-01-07
10 guidelines for reducing casting defects!
During the production process, casting enterprises inevitably encounter casting defects such as shrinkage, bubbles, and segregation, resulting in low casting yield. Re production also faces a significant consumption of manpower and electricity. How to…
2024-12-27
Four heat treatment processes
1. AnnealingHeat the steel to a certain temperature and keep it at that temperature, then slowly cool it to room temperatureAnnealing includes several types such as complete annealing, spheroidization annealing, and stress relief annealing.a， Heating…
2024-12-24
Casting introduction
Casting is the process of melting metal into a liquid that meets certain requirements and pouring it into a mold, followed by cooling, solidification, and cleaning treatment to obtain castings with predetermined shapes, sizes, and properties. Casting …