Black Differential Box

6 month ago

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Xuzhou Kehuan Mechanical and Electrical Equipment Co., Ltd

7 month

Product details

Gears Determine Success or Failure, Steady Load and Fast Run - A Scientific Guide to Gear Selection for Electric Three-Wheeled Differentials

A villager in the mountains, carrying a fully loaded cart of grain, was driven uphill when a sharp rattling sound suddenly erupted from the rear axle, leaving the vehicle stuck mid-slope, unable to move forward or backward. A courier in the plains, pressed for time but unable to speed up, was left helplessly overtaken by a competitor. These heartbreaking scenarios often stem from the dozen or so insignificant gears in the differential. Are you plagued by your electric three-wheeled vehicle's inability to climb hills, slipping under load, and inexplicable noises? It's a mismatch between power and demand. Sixteen gears forced to pull a heavy load can cause planetary gears to crack, while eighteen gears wasted on flat roads. Furthermore, poor quenching processes can cause the axles to bend and deform under heavy loads, making repairs time-consuming and expensive.

Our solution gets to the heart of the matter: matching differential gear counts based on real-world road conditions. For mountainous environments and heavy-load applications, the reinforced 18-tooth differential case utilizes a high-temperature quenching process, achieving a surface hardness of HRC60 on the axle shafts and a tough, impact-resistant core. Paired with a high-torque electric tricycle controller, it delivers strong traction at low speeds. For plain and light-load applications, the 16-tooth differential case is preferred, as it reduces transmission losses and is compatible with a high-performance electric vehicle controller, improving range by 15%. Field tests conducted by Northwest Agricultural Transport have shown that the 18-tooth differential can climb a 10-kilometer grade continuously with a 1.5-ton payload without overheating. The 16-tooth model boasts a top speed exceeding 40 km/h, while reducing motor temperature by 18°C.

Product Features

1. Customizable Gear Count: The 18-tooth heavy-duty version offers a 30% increase in torque, while the 16-tooth light-duty version offers a 25% increase in top speed, precisely matching the needs of mountainous and plain areas.

2. Hardened Steel Technology: 850°C deep quenching combined with tough core material increases bending strength four times that of standard parts, preventing axle shaft breakage.

3. Non-destructive Adaptive Design: The differential and electric tricycle motor output gears are tightly meshed, eliminating the risk of gear ripping when mixing 16/18 gears.

User Tips

1. Identifying the Gear Count: After removing the wheel, check the gear count on the axle shaft. 16-tooth gears are rare and prone to wear, while 18-tooth gears have become the mainstream.

2. Extending Life: Replenish lithium-based grease every 5,000 kilometers, and install a breather valve on muddy roads to prevent mud and sand intrusion.

After disassembling thousands of differentials, a veteran repairman lamented:

"16-tooth gears are like a cheetah's ability to run, while 18-tooth gears are like a plowing ox's ability to carry a heavy load—

Let a cheetah plow a field, and even the best steel gears won't be able to handle it."

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Suppliers

Xuzhou Kehuan Mechanical and Electrical Equipment Co., Ltd

Audited supplier

7 month

Main Product: Electric tricycle controller, Electric tricycle motor, Electric vehicle controller, Electric tricycle rear axle, Electric tricycle, Electric four-wheel vehicle

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