China International Metal Forming Exhibition


The China International Metal Forming Exhibition, organized by the China Forging & Pressing Association, is a premier trade show for the forging, stamping, sheet metalworking, and related upstream and downstream industries. It serves as an industry‑wide platform for showcasing cutting-edge products, technologies, and equipment, while also providing a hub for companies, experts, and academics to learn from one another and exchange ideas.

 

Sever Corporation’s accumulator product line is manufactured in strict compliance with the special equipment regulations of countries worldwide and can provide certification to meet the major national standards of key markets, including the United States. ASME , European Union PED CE , Russia CU-TR , Brazil NR13 , Australia AS1210 Certification, particularly for accumulators installed and used in China, makes Xiwel the only company worldwide to date that has obtained certification for its entire range of piston-type accumulators (from single‑unit to… 850L , pressure  35Mpa ) China TS Accumulator manufacturers certified for special equipment (including accumulators that meet the requirements of China’s special equipment regulations) I Class 3.3 (Report on 10,000-cycle fatigue testing) In the field of metal forming, Xiwel offers competitively priced products that comply with national and regional safety standards, including high‑flow forming systems for extrusion presses, hydraulic accumulator‑based forming systems for forging presses, free‑forging accumulator‑driven flow‑balancing systems, high‑flow metal forming systems for casting molding lines, and ultra‑high‑speed injection systems. Xiwel is a leading global supplier of core solutions for large‑volume forming systems.

 

Upholding “ Creating a high-quality, physical product showcase for the industry. ” the exhibition’s guiding principle, 2024 This year’s exhibition will continue to be held in Shanghai. The event comprises six thematic exhibitions:

 

  • The 24 The China International Forging Exhibition
  • The 24 The China International Metal Forming Components Expo
  • The 18 The China International Sheet Metal Processing Exhibition
  • The 18 The China International Stamping Technology and Equipment Exhibition
  • The 4 The China International Welding and Joining Exhibition

 

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What are the causes of severe pressure drop and shortened service life in bladder-type accumulators?

What are the causes of severe pressure drop and short service life in bladder-type accumulators? The structure of a bladder-type accumulator is quite simple, consisting mainly of an oil chamber surrounding the bladder and a gas chamber equipped with a gas‑tight seal. During operation, the hydraulic fluid must be connected to the hydraulic circuit; when the system pressure rises, the fluid flows into the accumulator, compressing the gas until the pressure in the system pipeline stabilizes.


How can we reduce failures when an accumulator malfunctions?

If an accumulator malfunctions, its performance will be directly affected, potentially leading to abnormal pressures and system failure. Therefore, it should receive close attention during routine operation, and appropriate measures must be implemented to mitigate risks. So, how can we minimize failures when an accumulator malfunctions? The following sections address this issue.


In a hydraulic circuit with multiple accumulators connected in parallel, if one bladder ruptures, will the other accumulators experience any change in volume?

Accumulators are intriguing components in hydraulic systems, analogous to capacitors in electrical circuits or springs in mechanical systems. As critical energy‑storage elements, they serve a variety of sophisticated functions, including hybrid‑power applications, shock absorption, pressure stabilization (and sometimes flow‑rate regulation), and the rapid release of stored energy to simulate impacts.


Is a bladder-type accumulator suitable for use in series with gas cylinders or cylinder banks?

1. Bladders typically have a shorter service life than piston‑type accumulators, and their quality varies significantly among different manufacturers. 2. Many factors can shorten a bladder’s lifespan and lead to rupture, including variations in the bladder’s intrinsic quality and durability; improper handling during assembly (e.g., failure to pre‑fill with fluid for lubrication); incorrect procedures during pre‑charging (e.g., insufficiently slow inflation); errors in calculating the pre‑charge pressure; oil‑port flow velocities approaching or exceeding 7 m/s; single‑stroke reciprocation times of 10 seconds or less when used for energy storage; collisions between the bladder and check valves during operation; large temperature fluctuations (including significant seasonal differences); prolonged lateral vibration; fluid‑induced corrosion; and inertial impacts from minute solid contaminants in the working medium, among others.