Locking Flange for EV Motor

Product Specifications Table

Compatible Models and Replaceable Brands

The locking flange for EV motor from Ever-Power is designed with versatility in mind, ensuring compatibility with a range of popular electric vehicle models. This product seamlessly integrates with Tesla Model S and Model X drive units, as well as Nissan Leaf motors and BMW i3 gearboxes. Its standard dimensions and high precision engineering allow it to fit various EV motor configurations, including those in Chevrolet Bolt and Volkswagen ID.3.

For users looking to replace existing components, our locking flange serves as a superior alternative to brands such as Ringfeder RfN series, Tollok TLK models, and MAV locking assemblies. These replacements offer enhanced torque transmission and durability, addressing common pain points like slippage and misalignment in high-performance EV applications.

Whether you need to buy locking flange for upgrades or purchase EV motor flange for new builds, Ever-Power provides reliable options that outperform competitors in coaxial precision and ease of installation.

About Ever-Power

• Ever-Power, established in 1995, adheres to authoritative European technical standards while referencing Chinese national standards to develop and manufacture Ever-Power brand industrial expansion sleeves and locking discs.
• In response to the rapid growth of new energy electric vehicles, Ever-Power has assembled a dedicated research team to innovate multiple seamless locking connection flange products for EV drive motor ends and gearbox ends.
• These include face gear flanges, flat face flanges, and specialized expansion sleeves for automotive use.
• Additionally, Ever-Power has engineered high coaxial precision expansion sleeves for seamless connection transmission devices in tidal energy generation.
• With self-operated export rights, Ever-Power boasts fixed assets exceeding 30 million RMB, occupying approximately 8,500 square meters of land and 9,000 square meters of building area, employing 100 to 150 staff members.

• Committed to delivering rational designs and technical solutions, Ever-Power leverages strong technical expertise, high specialization, robust production capabilities, superior product quality, timely delivery, and excellent service, earning recognition from domestic and international clients.
• Products are exported to the European Union, North and South America, Australia, Southeast Asia, Hong Kong, Taiwan, and other regions, with about 30 percent exports and 70 percent domestic sales.
• Ever-Power maintains stable trade relations with German partners and has been honored as a first-class supplier for outstanding quality.
• Domestically, Ever-Power supports industries such as new energy vehicles including drive motors and gearboxes, tidal energy generation, wind power, port machinery, printing machinery, textile machinery, mining machinery, machine tool manufacturing, fan manufacturing, pump manufacturing, and reducer manufacturing.
• The company mission emphasizes quality as the life of the enterprise, continuous innovation as its future, honest operation as its market, and attentive service as its window.
• When considering to order custom expansion sleeve, Ever-Power stands ready to meet user demands with precision-engineered solutions.

Production and Quality Control

Ever-Power's production capacity enables delivery of up to 10,000 sets of common expansion sleeves in 50 specifications or fewer within 15 days.

• Key production equipment includes CNC lathes, CNC automatic feeding lathes, drilling and tapping centers, CNC drilling machines, dedicated tapping machines, sawing machines, milling machines, fully automatic conveyor belt ultrasonic cleaning machines, laser marking machines, and other self-made specialized equipment.

For quality assurance, Ever-Power employs:

• High-precision coordinate measuring machines
• Portable, horizontal, and vertical torque testing equipment with a measurable range from 6 N·m to 100 kN·m
• Desktop Brinell and Rockwell hardness testers in digital and pointer formats
• Portable Rockwell and handheld Leeb hardness testers
• Fluorescent magnetic particle inspection machines
• Salt spray corrosion testing machines
• Mitutoyo roughness testers from Japan
• Other measurement tools

Environmental compliance is maintained through diaphragm filter presses and other processing equipment, having passed environmental reviews. Production workshops feature mechanical processing areas, truss-type automated lathes, fully automatic conveyor belt ultrasonic cleaning machines, coordinate inspection, and torque testing facilities. Ever-Power holds IATF 16949:2016 certification, underscoring its commitment to automotive quality standards.

This rigorous quality control ensures that every locking flange, EV motor flange, and expansion sleeve meets the highest benchmarks for torque transmission and seamless connection, making Ever-Power a preferred choice for professionals seeking to buy locking flange solutions that prioritize reliability and performance.

Product Development

Ever-Power possesses multiple utility model and appearance design patents for its innovations.

• In industrial expansion sleeves, Ever-Power has developed over 40 series and more than 3,000 specifications ranging from 4 mm to 500 mm, including non-standard, stainless steel, nickel-plated, chrome-plated, zinc-plated, blackened, and other variants.
• Advancing with production technology and market diversity, Ever-Power has innovated over ten Ever-Power brand series expansion sleeves achieving coaxial precision up to 0.003 mm with easy assembly and disassembly.
• Production adheres to EURO, USA, GB/JB Chinese standards, and various non-standards.

For new energy vehicles, Ever-Power has developed locking connection flanges and expansion sleeves, securing several patents. These products supply domestic EV manufacturers and motor producers, receiving high acclaim. For technical support, contact Ever-Power sales.

The dedicated R&D team focuses on user needs, ensuring products like the high precision locking flange for EV drive motor and seamless connection flange for electric vehicle gearbox deliver optimal performance.

This development approach positions Ever-Power as a leader in integral double cone locking assembly for new energy vehicles and split type flange for EV motor connection, ideal for those planning to purchase EV motor flange with advanced features.

Application Cases

• In one notable application, a leading electric vehicle manufacturer integrated Ever-Power's locking flange into their drive motor assembly for a flagship sedan model. The integral single cone structure provided seamless torque transmission exceeding 3000 N·m, enhancing vehicle acceleration and efficiency while reducing vibration. This implementation resulted in a 15 percent improvement in overall drivetrain reliability, allowing the EV to achieve extended range without compromising performance.
• Another case involved a tidal energy generation project where Ever-Power's high coaxial precision expansion sleeve was employed in the transmission device. The durable expansion sleeve for new energy vehicles withstood harsh marine environments, maintaining alignment with precision up to 0.003 mm and facilitating easy maintenance. Project engineers reported minimized downtime and increased energy output by 10 percent.

• In wind power applications, Ever-Power's products supported gearbox connections, ensuring stable operation under variable loads. A port machinery operator replaced traditional keyed connections with Ever-Power's seamless locking, experiencing reduced installation time by 50 percent and enhanced safety.
• These cases illustrate how Ever-Power's locking flange addresses user demands for high precision, durability, and ease of use across industries. For instance, in mining machinery, the torque transmission flange prevented slippage in heavy-duty operations, while in printing machinery, it ensured precise alignment for high-speed runs.
• Users can order custom expansion sleeve tailored to specific applications, benefiting from Ever-Power's expertise in durable locking device for tidal energy generation and beyond.

Frequently Asked Questions (FAQ)

What torque capacities do the locking flanges support?

Our locking flanges handle transmitted torques from 500 N·m to over 10,000 N·m, suitable for various EV motor demands.

Are these flanges compatible with my EV model?

Yes, they are designed for compatibility with models like Tesla Model S/X, Nissan Leaf, and BMW i3, with customizable options available.

How do I install the locking flange?

Installation is straightforward with easy assembly/disassembly features; detailed guides are provided, typically requiring standard tools for bolt tightening.

What surface treatments are offered?

Options include eco color zinc, blackened, zinc plated, and nitrided for corrosion resistance and durability.

Can I get custom specifications?

Absolutely, Ever-Power offers customization for inner/outer diameters, lengths, and structures to meet specific user requirements.

What is the lead time for orders?

Standard items ship within 15 days for up to 10,000 sets; custom orders vary based on complexity.

Do you provide international shipping?

Yes, with 30 percent of sales exported, we ship to EU, Americas, Australia, and Asia with reliable logistics.

How does this compare to other brands?

Ever-Power flanges offer superior coaxial precision and torque handling compared to Ringfeder or Tollok, at competitive pricing.