Description

Elevator eccentric wheel 33*15*M10 Brief Introduction

Product Name	Elevator eccentric wheel
Model Number	3315M10
Quality	Original.Brand New
Payment	T/T. Paypal. Western Union
Delivery	3-5 Working Days
Packaging	Packed by carton

Elevator Eccentric Wheel 3315M10: Precision Adjustment Core from Nanjing Zhuye Elevatorparts

Elevator Eccentric Wheel 33*15*M10 is a critical precision adjustment and transmission component for elevator systems, with specifications of 33mm (outer diameter) × 15mm (thickness) × M10 (thread size). It is widely installed in elevator door mechanisms, guide rail systems, and traction auxiliary structures, primarily responsible for adjusting gaps between components, transmitting stable torque, and ensuring the smooth operation of key mechanisms. In elevator door systems, it regulates the gap between the door roller and guide rail to guarantee smooth door opening and closing; in guide rail systems, it fine-tunes the contact pressure between guide shoes and rails to reduce noise. Compatible with mainstream elevator brands and door machine models, this eccentric wheel is an essential replacement part for residential buildings, commercial complexes, office towers, and industrial elevators. Exclusively supplied by Nanjing Zhuye Elevatorparts, a professional provider of high-quality elevator mechanical components, the Elevator Eccentric Wheel 33*15*M10 fully complies with international elevator safety standards (EN 81-20, GB 7588) and mechanical component technical specifications. Manufactured with premium alloy steel and precision machining technology, it features excellent wear resistance, high structural strength, and stable rotation performance, earning recognition from global elevator maintenance teams.

Nanjing Zhuye Elevatorparts adheres to the core philosophy of “Precision Adjustment, Stable Transmission” and implements rigorous quality control for the 33*15*M10 elevator eccentric wheel. Each unit undergoes multi-stage pre-delivery inspections, including dimensional accuracy testing, wear resistance verification, torque bearing detection, and thread precision evaluation. The eccentric wheel adopts advanced materials and technologies: the wheel body is made of high-carbon steel (S45C)经过 quenching and tempering treatment, with a hardness of HRC 45–50 to ensure wear resistance and load-bearing capacity; the M10 precision thread is processed by rolling technology, ensuring tight connection and no slipping during adjustment; the surface is treated with anti-rust galvanization or black oxide coating, effectively resisting humidity and dust erosion in elevator shafts (-20℃ to 80℃); the eccentric structure is precisely calibrated, with an eccentricity error ≤ 0.05mm, ensuring accurate gap adjustment. The standardized 33*15*M10 dimension enables seamless matching with elevator component mounting positions, simplifying installation and replacement.

Step-by-Step Usage Guide for Elevator Eccentric Wheel 3315M10

To maximize the service life, adjustment accuracy, and operational stability of the Elevator Eccentric Wheel 33*15*M10, strictly follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for selection, installation, and maintenance:

1. Professional Selection & Pre-Installation Preparation

Installation must be performed by certified elevator technicians. Prior to selection, refer to the elevator’s maintenance manual or consult Nanjing Zhuye Elevatorparts’ technical team to confirm that the 33*15*M10 eccentric wheel matches the elevator’s door machine model, guide rail type, and mounting thread size. Preparation steps: Cut off the elevator’s main power supply and lock the power switch; place a “Maintenance in Progress” warning sign at the elevator entrance; fix the working area (e.g., door machine, guide rail) with mechanical supports to avoid accidental movement; clean the mounting position, thread hole, and surrounding area to remove dust, oil stains, and rust.

2. Correct Installation & Precision Adjustment

Eccentric Wheel Installation: Take the 33*15*M10 eccentric wheel from Nanjing Zhuye Elevatorparts, apply a thin layer of anti-seize lubricant to the M10 thread (recommended by the brand) to prevent thread jamming. Align the wheel with the mounting thread hole, and screw it in manually until it is tightly attached to the component surface (do not use excessive force to avoid damaging the thread).
Gap & Pressure Adjustment: According to the elevator’s technical requirements, use a wrench to rotate the eccentric wheel to adjust the relative position: For door machine systems, rotate the wheel to adjust the gap between the door roller and guide rail to 0.5–1mm (use a feeler gauge to measure); for guide rail systems, adjust the contact pressure between the guide shoe and rail to ensure stable operation without excessive friction. During adjustment, mark the initial position to facilitate resetting if adjustment errors occur.
Locking & Fixing: After adjusting to the optimal position, use a torque wrench to tighten the eccentric wheel (recommended torque: 25–35N·m) to ensure it does not loosen during elevator operation. For high-vibration positions, install the locknut (provided by Nanjing Zhuye Elevatorparts) to enhance fixing stability.

3. Post-Installation Testing & Daily Maintenance

Function Testing: Restore the elevator’s power supply and switch to inspection mode. Operate the elevator door to open and close repeatedly (≥ 10 times) to check for smooth operation without jitter or abnormal noise; for guide rail system applications, run the elevator up and down to verify stable operation and reduced noise.
Daily Inspection: Maintenance personnel should check the eccentric wheel during daily patrols: Observe the wheel surface for wear, cracks, or deformation; check if the thread is loose or corroded; use a feeler gauge to recheck the adjusted gap periodically to ensure it remains within the standard range.
Regular Maintenance: Every 3 months, clean the eccentric wheel surface and thread with a soft cloth to remove dust and oil stains; reapply anti-seize lubricant to the thread. Every 6 months, check the wheel’s eccentricity and dimensional accuracy; if wear exceeds 1mm (measured by a caliper), adjust the position or prepare for replacement. For elevators in harsh environments, shorten the maintenance interval to 1 month.

Recommended Replacement Cycle for Elevator Eccentric Wheel 3315M10

As a core mechanical component enduring long-term rotation, friction, mechanical vibration, and environmental erosion (humidity, dust, temperature changes), the 33*15*M10 elevator eccentric wheel has a specified service life. Timely replacement is crucial to avoiding faults such as excessive wear, thread slipping, or eccentricity deviation—issues that may lead to elevator door jamming, guide rail abnormal wear, or even serious operational failures.

1. Standard Replacement Cycle

Under normal operating conditions (elevator daily operation time 12–24 hours, daily door opening/closing cycles ≥ 2000 or daily running times ≥ 1000, shaft environment temperature -20–80℃, humidity 10%–95%), the recommended replacement cycle for the 33*15*M10 elevator eccentric wheel is 2–3 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field operation data, wear tests, and global user feedback on elevator mechanical components.

2. Adjustments for Special Scenarios

High-Traffic & Harsh Environments: For elevators in high-traffic locations (e.g., large airports, central shopping malls) with daily door cycles ≥ 3500 or in harsh environments (e.g., high-humidity coastal areas, high-dust industrial sites), the replacement cycle is shortened to 1–1.5 years. Frequent operation accelerates wheel surface wear and thread aging, while harsh environments cause corrosion and reduce structural strength.
Low-Frequency Use & Stable Environments: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and stable shaft environments (constant temperature and humidity), the replacement cycle can be extended to 3–4 years—only after Nanjing Zhuye Elevatorparts’ technicians inspect and confirm that the wheel’s wear degree, eccentricity, and thread integrity meet factory standards.

3. Immediate Replacement Conditions

Replace the 33*15*M10 elevator eccentric wheel immediately if any of the following issues occur, regardless of its service life:

The wheel surface wear exceeds 2mm, or there are cracks, chips, or obvious deformation, affecting gap adjustment accuracy.
The M10 thread is severely worn or stripped, leading to slipping and inability to fix or adjust the wheel.
The eccentricity deviation exceeds 0.2mm, resulting in uneven gap or contact pressure, causing abnormal noise or component wear.
Professional testing confirms that the wheel’s load-bearing capacity is reduced by more than 30%, failing to meet the elevator’s operational safety requirements.

In conclusion, the Elevator Eccentric Wheel 33*15*M10 from Nanjing Zhuye Elevatorparts is a high-quality, highly compatible precision component tailored for modern elevator systems. By following the correct selection, installation, maintenance, and replacement guidelines, elevator maintenance teams can effectively ensure the smooth operation of key elevator mechanisms, reduce mechanical failures, and extend the elevator’s service life. Choosing Nanjing Zhuye Elevatorparts means you get 100% authentic 33*15*M10 eccentric wheels, plus professional support—including model matching, on-site installation and adjustment guidance, and prompt after-sales service. Trust Nanjing Zhuye Elevatorparts for the precision adjustment of your elevator system.

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