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New type of GY electro-hydraulic drive
New type of GY electro-hydraulic drive
coupling
hydraulic
technology
temperature
- [Abstract] This article provides a technical introduction to the technology and application examples of limited-torque hydraulic transmissions. The GY series technical standards are new enterprise standards developed by referencing and adapting German standards, primarily targeting overseas engineering projects as well as the high-end domestic market aimed at import substitution.
【 Keywords 】 Soft start, flexible coupling, semi-clutch mechanism, torque limitation, overload protection, and damping.
# Translation Task
Please translate the following Chinese text into English, ensuring a professional, precise, and formal tone. 
The GY series adopts German technical standards and offers several advantages over the traditional YOX series:
● Adopt higher sealing technology standards
● Oil-free for three years
● The main shaft employs TS technology: key parts feature a surface roughness of ▽0.2 and a surface hardness exceeding HV600.
● The spindle processed by TS technology features a microscopic surface structure that forms an oil-retaining grid. For skeleton oil seals, reducing the friction coefficient and enhancing dynamic sealing performance.
● Adopt imported oil seals (temperature-resistant up to 200°C).
● Static seals (e.g., flanges) utilize high-quality O-rings and specially formulated sealing adhesive (specifically designed for automotive transmissions) for double sealing protection.
# Translation Task Please translate the following Chinese text into English, ensuring a professional, precise, and formal tone.
● Faster, Stronger
● Adopting high-quality bearings (SKF, FAG) for greater load-carrying capacity.
● Optional, custom-designed hydraulic transmission fluid can enhance power transmission by 5% to 15%.
● The rotating components are manufactured using dynamic balancing technology, ensuring more stable high-speed operation. The maximum operating speed is below 3000 rpm.
# Translation Task Please translate the following Chinese text into English, ensuring a professional, precise, and formal tone.
● Higher degree of monitoring
● Peripheral Infrared Temperature Monitoring Device
● Signal feedback can be integrated into centralized control.
● Conduct temperature monitoring to proactively identify overload trends.
● Contact capacity of alarm output: ~250V / 5A
● Output a 4–20 mA signal corresponding to the output temperature.
● Temperature measurement range: 0~300℃
● Ambient temperature: 0–60°C. Relative humidity: 10–95% (non-condensing).
● Monitoring box dimensions: 300 x 250 x 150 mm, front-opening wall-mounted design
The dual-drive shredder used in the environmental protection project in Illinois, USA, features GY products equipped with infrared temperature monitoring systems.
● Higher vibration value standards
● Advanced German Technology
● Vibration values can be as low as 2.5 mm/s.
● Reduce vibration during high-speed operation
● Reduce resonance in the drive unit
● Ensure the long-term, reliable operation of equipment such as motors, gear reducers, conveyors, and more.
CMC-supplied export to Malaysia's Manjung project replaces Germany's VOITH GY products. Product
● In addition to using spring washers, thread-locking adhesive is also applied for double security, ensuring enhanced reliability.
● Aluminum alloy components are produced using full-metal die low-pressure casting technology, which is a domestic leader in the industry. Low-pressure cast aluminum alloy parts exhibit higher strength and more uniform material properties. The components are manufactured using ZL104 aluminum alloy that complies with the GB/T 1173-1995 standard.
● Fasteners shall be made of Grade 8.8 standard components, treated with galvanization, black oxide coating, or Dacromet process.
● The surface coating uses acrylic metallic protective paint that complies with the national standard GB/T25264—2010.
GY Products Supporting MCC Sedi's Export Project to the Formosa Ha Tinh Steel Plant in Vietnam
● A Better Connection Format
● GT High-Elastic Coupling (German Technology)
● Capable of flexible connection (allowable radial and axial displacement < 1 mm)
● Stronger adaptability to overload and impact loads
# Translation Task Please translate the following Chinese text into English, ensuring a professional, precise, and formal tone.
◆ Technical Specification Sheet for GY-GT High-Elastic Hydraulic Coupling Series
◆ Hydraulic Coupling (Fluid Coupler) Utilizing Transmission Oil as the Medium for Power Transmission
◆ Should be equipped with a rear auxiliary cavity or a side auxiliary cavity capable of cushioning the impact during startup of the working mechanism.
◆ Meets the soft-start requirements for the rated load of the working machine, with a maximum startup time ranging from 20 to 50 seconds.
◆ Configurable temperature monitor for hydraulic couplings, with 4–20 mA signal output
◆ Configurable speed monitor for hydraulic couplings, outputting a 4–20 mA signal
◆ When overloaded, it can unload by melting the fusible plug to release oil (overload protection).
◆ The hydraulic coupling shall undergo dynamic balancing, with a balance grade of G6.3. (Vibration value < 4.5 mm/s)
◆ Should be equipped with highly elastic coupling joints (standard components) that offer excellent flexibility and robust connection capabilities.
◆ The replacement of the high-elasticity coupling should be simple and straightforward, requiring no movement of the prime mover or driven machine.
◆ Should be capable of withstanding 30% alternating torque over a long period.
◆ The hydraulic coupling should utilize bearings of equivalent quality, such as those from FAG and SKF.
◆ The hydraulic coupling should employ a rubber dynamic seal capable of withstanding 200°C.
◆ Guangxing Brand Limited-Torque Fluid Coupling (Upgraded Import Substitution Version)
◆ Flexible Coupling (Torsional Vibration Isolation)
◆ Limit Torque Protection (Overrunning Clutch)
◆ Soft start (reducing inrush current and starting impact)
◆ Can be used for multi-drive applications
Main foundry business scope and capacity:
To cast 104-based aluminum alloy parts, HT150-250 cast iron parts, 45# steel-based various types of carbon steel castings. The production capacity of aluminum castings is 100 tons/month, and the production capacity of cast iron and steel parts is 100 tons/month. The company can provide customers with one-stop service of rough casting and processing. Mass production using die casting, small batch parts using sand casting.
Among them, cast steel (alloy steel) is the optimization and reorganization of the company's casting division and the original branch (Yunan Zhongxing Wear-resistant Materials Co., Ltd.) in 2023, fully combining the advantages of both parties, that is, the combination of technological innovation and mature management, aiming at common customer terminals, reducing marketing costs, and also allowing customers to obtain the convenience of one-stop after-sales service. The main products are related to electric power, mining, cement, ports, waterway dredging metal wear-resistant parts, product materials are metal matrix ceramic composite materials, high chromium, high manganese, alloy steel and so on.
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