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Brand: C.OEFT
OE numbers: JF010
Product Name: Transmission Steel Belt
Compatible model:
Product status:Remanufactured
Product weight: 2.130KG
Packaging size: 32X13X4 cm
Product packaging: Neutral Packaging
Car Series: Japanese
Car Type: for Nissan
1. Core Power Transmission for Compact-Car CVTs
As the central 传动 component of Nissan’s JF010 CVT, the JF010 steel belt transfers power from the compact 1.2L-1.6L engines to the drive wheels. It operates between two small-diameter variable conical pulleys (primary and secondary), with the belt’s position on the pulleys determining the transmission ratio. When the TCU activates hydraulic actuators to adjust pulley width, the belt moves along the pulley cones—riding higher on one pulley and lower on the other—to alter the ratio, enabling stepless speed variation without traditional gear shifts, ideal for the variable speed demands of urban driving.
2. Stepless Ratio Adjustment for Urban and Suburban Scenarios
The belt’s modular design—comprising 108 interlocked lightweight metal elements and two high-strength steel rings—allows it to adapt to the JF010 CVT’s narrow pulley diameter range. Lower ratios (0.38-1.0) provide higher torque multiplication for quick acceleration from stops or climbing small hills, while higher ratios (1.0-2.25) optimize fuel efficiency for suburban cruising. This stepless adjustment eliminates gear shift shocks, providing a smooth driving experience in heavy traffic and on suburban roads.
3. Torque Management for Low-Displacement Engines
Designed to handle maximum torque outputs of up to 180 Nm (matching the JF010 CVT’s rated capacity for Nissan’s 1.2L-1.6L engines), the steel belt distributes torque evenly across its elements and steel rings. The nano-ceramic coated contact surfaces ensure uniform pressure against the pulleys, preventing localized stress and wear even during frequent acceleration and deceleration in city driving. This torque-handling capability ensures reliable power transfer for daily commuting, grocery runs, and short-distance trips.
4. Thermal Regulation and Wear Reduction
The low-friction surface finish of the steel belt reduces heat generation during frequent ratio changes, helping maintain the JF010 CVT’s optimal operating temperature range (75-95°C)—critical for preventing overheating in stop-and-go traffic. The nano-ceramic coating also minimizes metal-to-metal wear between the belt elements and pulleys, reducing metallic debris that can contaminate CVT fluid. This protects critical CVT components (e.g., pulleys, hydraulic actuators) from premature damage and extends the overall lifespan of the transmission in compact-car applications.
5. TCU Feedback Integration for Adaptive Urban Control
While the steel belt is a mechanical component, its performance directly informs the JF010 CVT’s TCU adaptive control strategy. The TCU monitors data from CVT speed sensors and pressure sensors to assess the belt’s position and slippage. In urban driving, the TCU uses this data to optimize pulley pressure for faster ratio changes (suited for traffic)；if slippage or irregular wear is detected (via speed mismatches between pulleys), the TCU adjusts hydraulic pressure or illuminates the transmission warning light on the dashboard. This feedback loop ensures the CVT operates efficiently and reliably in the demanding conditions of city driving, with the steel belt serving as a critical link in the system.
1. OE-Precise Compatibility for Nissan JF010 CVT Transmissions
The Transmission Steel Belt JF010 is exclusively engineered as a direct replacement for Nissan’s JF010 series continuously variable transmissions (CVT), which are widely used in Nissan’s compact and subcompact models such as the Micra, March, and Versa equipped with 1.2L to 1.6L naturally aspirated engines. It strictly adheres to Nissan’s original equipment (OE) specifications, matching the genuine steel belt’s critical parameters—including a 2.0mm pitch length, 108 metal elements, and overall dimensional tolerance of ±0.03mm. This exacting compliance eliminates common aftermarket issues like pulley misalignment, belt slippage, or CVT Control Unit (TCU) signal mismatch. Mechanics can achieve seamless installation without modifying the JF010 CVT’s conical pulleys or recalibrating the TCU, ensuring perfect integration with Nissan’s compact-car powertrain system.
2. Lightweight yet High-Strength Alloy Construction
Crafted from a advanced lightweight alloy composite—featuring a base of high-tensile SUS304 stainless steel (ultimate tensile strength: 1,600 MPa) and a nano-ceramic coating on the contact surfaces—the JF010 steel belt balances structural strength and weight efficiency. It undergoes a precision heat treatment process (low-temperature carburizing and cryogenic tempering) to achieve a surface hardness of HV 620 while maintaining a lightweight profile (15% lighter than steel belts for larger CVT models). This design enables it to withstand continuous pulley pressure of up to 4,200 N and resist fatigue even after 250,000+ kilometers of operation, perfectly suited for the lower-torque demands of Nissan’s compact-car engines.
3. Low-Friction and Low-Noise Operation
The steel belt’s metal elements feature a mirror-polished surface with a roughness value (Ra) of ≤0.2μm, minimizing frictional resistance between the belt and conical pulleys. Each element is also engineered with a rounded contact edge that reduces metal-to-metal noise during ratio changes, lowering operating noise by 3-5 dB compared to generic steel belts. This low-friction, low-noise design not only improves power transfer efficiency (up to 90%) but also enhances driving comfort—critical for compact cars used primarily for urban commuting. Additionally, reduced friction lowers CVT operating temperatures by 3-6°C, extending the lifespan of CVT fluid (Nissan NS-2) and internal components.
4. Stable Ratio Transitions for Urban Driving
Equipped with a precision pitch alignment system, the JF010 steel belt maintains consistent spacing between its metal elements during frequent ratio changes—common in stop-and-go urban traffic. It responds to TCU pulley adjustment commands in ≤10ms, enabling smooth transitions across the JF010 CVT’s ratio range (0.38-2.25) without slippage or shudder. For example, when accelerating from a traffic light or decelerating for a stop sign, the belt adapts seamlessly to pulley width changes, eliminating the “jerky” feel associated with inferior CVT belts and delivering linear power output suited for city driving.
5. Cost-Effective and Maintenance-Friendly
Offering OE-level performance at 25-35% lower than genuine Nissan OEM steel belts for JF010 CVTs, the JF010 steel belt provides exceptional value for compact-car owners and repair shops. Its durable construction reduces replacement frequency, cutting long-term maintenance costs. The belt is fully compatible with Nissan’s standard CVT service procedures and requires no specialized tools for installation—mechanics can use existing JF010 CVT assembly equipment, minimizing labor time and vehicle downtime for daily commuters.
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