2026-02-26
The differences between electroplated nickel and electroless nickel plating
Electroless nickel plating is increasingly being applied in industrial production and has several significant advantages compared to electroplating nickel,they can be used for some precision cnc machining shaft, sheet metal stamping bracket.Mainly ref…
2026-02-11
The extrusion process and characteristics of the extrusion structure of aluminum alloy profiles
1. Main characteristics of aluminum alloy extrusion processSqueezing is a process of obtaining profiles, tubes, or bars with specific cross-sectional shapes by applying tremendous pressure to a heated aluminum ingot (billet) to undergo plastic deforma…
2026-02-10
The manufacturing processes of seamless pipes, straight seam welded pipes and spiral welded pipes
Steel pipes are very important in our production, including round pipes, square pipes, special-shaped pipes, and various other types.Many structural products require various steel pipes, and different needs require us to use different steel pipe manuf…
2026-01-31
what is the role of alloying elements in cast aluminum alloys
Pure aluminum has good plasticity, with an elongation rate of about 35% and a cross-sectional shrinkage rate of 80%, making it suitable for cold working forming. However, its tensile strength is relatively low (around 80 MPa), making it difficult to m…
2026-01-30
what is the differences between blackening, bluing and QPQ surface treatments
Characteristics of QPQ vs Blackening vs Blueing Surface TreatmentQPQ processing: a modern, composite surface strengthening technique. It forms a high hardness compound layer on the surface of the workpiece by nitriding, and then obtains a black oxide …
2026-01-26
How can a matte and glossy effect be achieved on the surface of aluminum alloy?
Aluminum alloy is widely used in industry and daily life due to its lightweight and high-strength characteristics. After more than 100 years of development, its smelting and purification processes have become mature. Its core advantages lie in low den…
2026-01-05
The main characteristics and causes of their generation of forging defects
Forging changes the plastic shape of metal through external force, and the billet needs to be heated to the plastic deformation temperature range (usually 800-1250 ℃ for carbon steel) first. In the red hot state, metal grains are refined and reorgani…
2025-12-31
What are the advantages and disadvantages of the hard rails and linear rails used in CNC machine?
If a general CNC machine is used to make products, it is recommended to purchase linear rails. If it is a machining mold, it is recommended to purchase hard rails. linear rails have higher accuracy than hard rails, but hard rails are more durable and …
2025-12-26
Why are the roughness values 0.8, 1.6, 3.2, 6.3, and 12.5?
Do you know why the roughness is 0.8, 1.6, 3.2, 6.3, 12.5?Do you know why the cylinder diameter of the oil cylinder is 63, 80, 100, 125?Do you know why the cylinder pressure is 6.3, 16, 25, 31.5?Do you know why the thread specifications are 6, 8, 10, …
2025-12-22
The main factors affecting the dimensional accuracy of castings
Casting is a very important metal processing technology. For products with complex features, we can quickly and economically obtain the required structure through casting. However, the accuracy of castings is often an important factor in choosing the …
2025-12-16
brass hot Stamping Practical Guide
As an advanced processing method with minimal cutting, forging(called hot stamping) technology has significant advantages in the production of copper alloy products - it can ensure good mechanical properties of the parts and achieve efficient mass pro…
2025-12-12
What is the difference between PCB and PCBA?
As an SMT processing employee, have you ever wondered what the difference is between PCB and PCBA, two abbreviations that look similar? The difference between PCB and PCBA is that in the electronic manufacturing industry, PCB and PCBA are two commonly…
2025-12-09
sheet metal parts Common connection methods
Sheet metal parts are very common in our daily work and life. For example, car bodies, equipment shells, safes, furniture supports, electrical accessories and chassis, computer component cabinets, and now new energy battery boxes, etc. Due to differen…
2025-12-05
Causes and Countermeasures of Aluminum Alloy Casting Cracks
Cracks are a defect that we must consider and avoid in various castings. Due to the different properties of casting materials and the varying designs of casting cavities, we can control the occurrence of cracks by adding various alloy primary colors, …
2025-12-02
Why is stainless steel rarely seen in high-temperature environments?
After working in the factory for a long time, the experienced workers all have a consensus: stainless steel, which is usually quite "tough", is rare to see once it enters high-temperature areas where the heat waves are rolling. It's like let…
2025-11-18
What are the methods for hardening the surface of materials?
Sometimes, people hope that the surface of materials can be harder, such as in situations where wear resistance is required, where fatigue strength needs to be improved, where corrosion resistance is required, where high-temperature oxidation resistan…
2025-11-10
The reasons for work hardening of metal materials
The fundamental reason for work hardening of metal materials, also known as strain hardening, is that the density of internal defects (mainly dislocations) in the metal increases significantly during plastic deformation, as well as the complex interac…
2025-11-02
What are the solid solution, aging, and homogenization heat treatment processes for aluminum alloys
Whether it's airplanes in the sky, high-speed trains on the ground, or mobile phones in the hand, lightweight and sturdy aluminum alloy has become the cornerstone of modern manufacturing. To achieve outstanding performance of aluminum alloy, precise h…
2025-10-20
Heat treatment of Aluminium Alloy
In the field of aluminum alloy casting, the improvement of material properties often depends on the quality of the heat treatment process. Different from simple casting, heat treatment can achieve more significant changes in the internal structure of …
2025-10-09
What is steel blackening (bluing)?
Why do some steel parts turn blue (black) on the surface? What is the processing principle and process flow?introductionOxidation treatment of steel, also known as blackening or bluing treatment, is a surface treatment process for steel. The film colo…