logo
news
Home > News> Company News

News

china latest news about How to prevent common problems in processing fasteners?

How to prevent common problems in processing fasteners?

December 16, 2023

Locking - fasteners include: bolts, studs, screws, nuts, washers, pins. Locking or seizure often occurs on fasteners made of stainless steel, aluminum alloy and titanium alloy. These metal alloys themselves have anti-corrosion properties. When the surface is damaged, a thin oxide layer will be ...
china latest news about Pipe thread

Pipe thread

December 15, 2023

NPT, PT, and G are all pipe threads. NPT is the abbreviation of National (American) Pipe Thread, which is an American standard 60-degree tapered pipe thread and is used in North America. The national standard can be found in GB/T12716-1991. PT is the abbreviation of Pipe Thread, which is a 55° ...
china latest news about Ordinary thread

Ordinary thread

December 14, 2023

Metric threads include ordinary threads (profile angle 60°), trapezoidal threads (profile angle 30°), zigzag threads (profile angle 33°), square threads, etc. The specification of coarse thread ordinary thread is expressed by the letter "M" and "nominal diameter". The specification of fine thread ...
china latest news about SunTorque, the difference between torque, torque and torque

SunTorque, the difference between torque, torque and torque

December 13, 2023

In physics, torque refers to the tendency of a force to rotate an object around an axis or fulcrum. Torque is a physical quantity that causes rotation of an object. It can be divided into the moment of force about an axis and the moment of force about a point. Rotating torque is also called torque ...
china latest news about Stamping services - stamping FAQ

Stamping services - stamping FAQ

December 12, 2023

Surface scratches (strain): Surface scratches are usually caused by the following reasons: (1) The rounded corners of the die are not smooth enough, so the material will be scratched during the drawing process, and the material may adhere to the die, causing scratches. (2) Because dirt falls into ...
china latest news about Stamping services - stamping FAQ

Stamping services - stamping FAQ

December 11, 2023

Surface bruises: Main causes of surface pressure injuries: (1) Improper material selection for the working part of the mold. (2) Low heat treatment hardness. (3) Die fillet wear. (4) Poor smoothness. (5) The surface quality of the curved blank is poor (rust, scarring, etc) (6) Material thickness is ...
china latest news about Stamping services - stamping FAQ

Stamping services - stamping FAQ

December 8, 2023

Wrinkles and creases: The main reason for wrinkles is that local blank pressure causes instability and uneven material flow causes local material accumulation and wrinkles. Specifically, there are the following aspects: (1) The stamping process of the parts is poor, the stamping direction and the ...
china latest news about Stamping services - stamping FAQ

Stamping services - stamping FAQ

December 7, 2023

Bend crack: There are many factors that affect the occurrence of cracks, mainly including the following aspects: (1) The material has poor plasticity. (2) The angle between the bending line and the rolling direction of the sheet does not meet the regulations. When laying out the pattern, when ...
china latest news about Stamping services - stamping FAQ

Stamping services - stamping FAQ

December 6, 2023

Shape does not match size: The main reason is caused by rebound and improper positioning. In addition to taking measures to reduce springback, it is also important to improve the reliability of blank positioning. The following two measures are usually used: Compression of the blank: use an air ...
china latest news about Stamping services - stamping FAQ

Stamping services - stamping FAQ

December 5, 2023

Dimensional accuracy is out of tolerance: 1. The mold cutting edge size is manufactured out of tolerance. 2. Springback during the punching process, the shape of the workpiece in the previous process is inconsistent with the shape of the supporting surface of the working part of the mold in the next ...
34 35 36 37 38 39 40 41