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GY4

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New type of GY electro-hydraulic drive

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New type of GY electro-hydraulic drive

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Product Details

New GY Imported Replacement Limited-Torque Series

Technical Description

[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 for import substitution.
【 Keywords 】 Soft start, flexible coupling, semi-clutch, torque limitation, overload protection, damping

# Translation Task Please translate the following zh_tw text into en, ensuring a professional, precise, and formal tone.

The GY series adopts German technical standards and offers greater advantages compared to the traditional YOX series.
● Adopt higher sealing technology standards
● Oil-free for three years
● The main shaft employs TS technology: key areas 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. To address the skeleton oil seal, reduce the coefficient of friction, and enhance its dynamic sealing performance.
● Adopt imported oil seals (temperature-resistant up to 200°C).
● Static seals (e.g., flanges) utilize a high-quality O-ring seal combined with specially formulated sealing adhesive (specifically designed for automotive transmission systems), providing a dual-layer sealing mechanism.

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● Faster, stronger
● Utilizing high-quality bearings (SKF, FAG) for enhanced load-bearing capacity.
● Optional, professionally customized hydraulic transmission fluid can enhance power transmission by 5% to 15%.
● The rotating component is manufactured using dynamic balancing technology, ensuring more stable high-speed operation. The maximum operating speed is below 3000 rpm.

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● Higher level of monitoring is achievable.
● 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 4–20mA 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 Manufacturing Techniques from Germany
● 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, and conveyors.

Supporting CMC exports to replace VOITH's GY product for Malaysia's Manjung project. Product

● In addition to using spring washers, thread-locking adhesive is also applied for double security, ensuring enhanced safety.
● Aluminum alloy components are produced using full-metal mold low-pressure casting technology, which is a leading-edge technique in China. Low-pressure cast aluminum alloy parts exhibit higher strength and more uniform material properties. The ZL104 aluminum alloy used complies with the national standard GB/T 1173-1995.
● Fasteners shall be standard components of Grade 8.8, treated with galvanization, black oxide coating, or Dacromet finish.
● 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 Formosa Ha Tinh Steel Plant in Vietnam

● A Better Connection Format
● GT High-Elastic Coupling (German Technology)
● Capable of flexible connection (permissible radial and axial displacement < 1 mm).
● Stronger adaptability to overload and impact loads.

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◆ Technical Specification Sheet for GY-GT High-Elasticity Hydraulic Coupling Series
◆ Hydraulic couplings (hydraulic torque converters) that use transmission oil as the medium for power transmission
◆ Should feature a posterior or lateral 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 start-up time of 20″ to 50″.
◆ Configurable temperature monitor for hydraulic couplings, with 4–20 mA signal output
◆ Configurable speed monitor for hydraulic couplings, with 4–20mA signal output
◆ When overloaded, the system can relieve the load by melting the fusible plug and releasing 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 strong load-bearing capacity for flexible connections.
◆ The replacement of the high-elasticity coupling should be simple and convenient, 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 from brands such as FAG and SKF.
◆ The hydraulic coupling should utilize a rubber dynamic seal capable of withstanding 200°C.
◆ Guangxing Brand Limited-Radius Fluid Coupling (Upgraded Import Substitution Version)
◆ Flexible Coupling (Torsional Vibration Isolation)
◆ Limited 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.

GY3

GYT Electro-Hydraulic Coupling Device