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- Energy storage hydraulic control system with reliable energy monitoring
- Energy storage high-flow hydraulic forming system
- High-precision digital servo synchronous actuation system
- Energy storage high-flow electro-hydraulic servo test system
- Energy storage, large flow compensation and balance hydraulic control system
- High-frequency fatigue testing system
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- Product
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Solution
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Energy storage hydraulic control system with reliable energy monitoring
- Energy storage high-flow power source start-up system
- Energy-saving electro-hydraulic control system
- Hydro-controlled system of electric furnace energy storage device power source
- Emergency control high-pressure accumulator power source for valves
- Governor energy storage power source electro-hydraulic control system
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Energy storage high-flow hydraulic forming system
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High-precision digital servo synchronous actuation system
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Energy storage high-flow electro-hydraulic servo test system
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Energy storage, large flow compensation and balance hydraulic control system
- High-frequency fatigue testing system
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Energy storage hydraulic control system with reliable energy monitoring
- Service
- Calculation
Hydraulic Control System for High-Flow, Hydrostatic Molding Line with Energy Storage
Published Time:
2024-11-05 17:25
Category:
Solution
Energy-Storage High-Flow Liquid-Controlled Forming System
Styling line energy storage forming hydraulic control system
Hydraulic control system for high-flow static pressure casting line
SCHWERLL, with its high-end piston accumulators and integrated accumulator systems designed for long-term maintenance-free operation, has secured extensive application opportunities in high-end, high-pressure hydrostatic press forming lines. Its products are installed on and reliably operated over extended periods across a wide range of equipment production lines at leading manufacturers such as K&W, Yonghong, Qingdao Foundry, Suzhou Foundry, and China National Machinery Industry Corporation, making SCHWERLL a core supplier of premium accumulator system integration solutions in the industry.
The high-pressure hydraulic static pressure molding line is primarily used for the mass production of precision castings of engineering machinery components, hydraulic valve bodies, pump housings, automotive structural parts, and general‑purpose mechanical cast iron parts, representing a clean, automated modern casting solution.
1. High-pressure hydraulic isostatic presses include cast‑forming‑specific isostatic presses and isothermal isostatic presses, which are widely used in industries such as sand‑mold compaction, isostatic forming of casting blanks, and energy‑storage‑based pressure‑boosting systems, among other applications.
1.1 Core Role
- It provides stable high-pressure hydraulic power to the entire forming line, relying on accumulators to store high-pressure oil and deliver large pressures instantaneously.
- High-pressure static compaction is applied to the molding sand. Compared with vibration‑pressure molding, static‑pressure molding yields sand molds with uniform density, high dimensional accuracy of castings, and excellent surface finish.
- Suitable for sand mold casting production of small and medium-sized castings, valve bodies, hydraulic components, and construction machinery parts.
1.2 Structural Composition (as shown in the figure)
1.3 Advantages
2.1 Upper Bin System (Top Cone Hopper Body)
- Function: Stores molding raw and auxiliary materials such as new sand, reclaimed sand, resin, and curing agent; discharges material by gravity and is equipped with a discharge gate for precise, metered feeding.
- Yellow guardrails serve as a safe access route for high-rise maintenance and routine inspections.
2.2 Mid-level shaping host workstation (cylindrical equipment enclosed by a fence)
The core of the entire production line: the static-pressure molding machine receives high-pressure hydraulic power from the static-pressure press and performs the following operations: sand filling, high-pressure static compaction, mold removal, and box assembly, thereby producing qualified molds.
2,3 Lower-layer transfer and drive mechanism (bottom red roller transmission assembly)
2.4 Steel frame platform and stair system
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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.
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.
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Schwerll Fluid Control (Beijing) Co., Ltd.
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