Description
Elevator roller guide shoes RG-125W RG-125K Brief Introduction
|
Product Name |
Elevator roller guide shoes |
| Model Number | RG-125W
RG-125K |
|
Quality
|
Original.Brand New
|
|
Payment
|
T/T. Paypal. Western Union
|
|
Delivery
|
3-5 Working Days
|
|
Packaging
|
Packed by carton
|
Elevator Roller Guide Shoes RG-125W: Stable Guidance Core from Nanjing Zhuye Elevatorparts
Elevator Roller Guide Shoes RG-125W is a critical guiding component specifically designed for elevator car systems, responsible for guiding the elevator car to move smoothly along the guide rail during operation. As the “stable navigator” of the elevator, it replaces the traditional sliding friction with rolling friction between the roller and the guide rail, significantly reducing the friction coefficient and operation noise—directly improving the ride comfort and extending the service life of the guide rail. Exclusively supplied by Nanjing Zhuye Elevatorparts (a professional and trusted distributor of high-quality elevator mechanical components), the Elevator Roller Guide Shoes RG-125W fully complies with international elevator safety standards (EN 81-20, GB 7588) and mechanical component quality regulations. Featuring high load-bearing capacity, excellent wear resistance, and wide compatibility with mainstream elevator guide rail models, this roller guide shoe is widely applied in residential, commercial, high-speed, and industrial elevators worldwide.
Nanjing Zhuye Elevatorparts adheres to the core philosophy of “stable guidance, durable quality” and implements strict quality control over the Elevator Roller Guide Shoes RG-125W. Each unit undergoes multi-stage pre-delivery inspections, including load-bearing performance testing, roller wear resistance verification, guiding accuracy detection, and noise level measurement. The product adopts high-quality polyurethane (PU) rollers, high-strength steel brackets, and precision bearings: the PU rollers have a low friction coefficient (≤ 0.12) and excellent shock absorption, reducing the operation noise to ≤ 50dB; the high-strength steel bracket with reinforced structure ensures a maximum load-bearing capacity of 800kg per set, easily supporting the weight of the elevator car and passengers; the precision sealed bearings ensure smooth roller rotation without jamming, with a service life of over 20,000 hours; the adjustable roller spacing design adapts to different guide rail specifications, ensuring tight fitting and stable guidance. Its standardized mounting dimensions are perfectly matched to most mainstream elevator car models, enabling quick and seamless installation without complex modifications.
Step-by-Step Usage Guide for Elevator Roller Guide Shoes RG-125W
To ensure the reliable operation of the elevator car system and extend the service life of the RG-125W roller guide shoe, follow the professional guidelines provided by Nanjing Zhuye Elevatorparts for installation, adjustment, and maintenance:
1. Professional Installation & Matching
Installation must be performed by certified elevator technicians familiar with elevator car systems. Prior to installation, confirm the compatibility of the RG-125W with the target elevator’s guide rail specification and car model, using the detailed compatibility manual provided by Nanjing Zhuye Elevatorparts. The steps are as follows:
-
Safety Preparation: Cut off the elevator’s main power supply and lock the power switch. Fix the elevator car to a safe position using a mechanical support to prevent accidental movement. Clean the guide rail surface and the guide shoe mounting position on the car to remove dust, oil stains, and debris that may affect installation accuracy and roller rotation.
-
Guide Shoe Installation: Fix the RG-125W roller guide shoe to the dedicated mounting bracket on the elevator car using high-strength bolts provided by Nanjing Zhuye Elevatorparts. Ensure the guide shoe is installed vertically (vertical deviation ≤ 2°) and the rollers are aligned with the guide rail surface. Adjust the roller spacing according to the guide rail width (recommended spacing: 0.5–1mm) to ensure the rollers are in uniform contact with the guide rail without excessive pressure.
-
Component Assembly: Install the dust cover and protective shield on the guide shoe to prevent dust and debris from entering the roller and bearing. Check the rotation of each roller manually to ensure flexible operation without jamming or abnormal noise. Connect the guide shoe’s buffer component (if equipped) to the car’s shock absorption system to enhance ride comfort.
-
Post-Installation Adjustment: Remove the mechanical support and switch the elevator to inspection mode. Operate the car to move up and down slowly to check the guiding stability—ensure no obvious shaking, deviation, or abnormal noise during movement. Use a dial indicator to measure the car’s runout (allowable deviation ≤ 0.5mm/m). If there is shaking or deviation, re-adjust the roller spacing and guide shoe position immediately.
2. Daily Operation & Routine Inspection
Regular inspections are crucial to early detection of guide shoe wear and ensuring the stable operation of the elevator car system. Maintenance personnel should incorporate the following checks into their daily patrols:
-
Daily Visual Inspection: During elevator shaft patrols, check the external condition of the RG-125W roller guide shoe. Ensure the PU rollers are free of obvious wear (wear depth ≤ 3mm), cracking, or peeling; the steel bracket is free of deformation, rust, or loose bolts; the dust cover is intact without damage. Observe the car’s operation to check for abnormal noise or shaking (indicating potential guide shoe faults).
-
Weekly Functional Check: Operate the elevator under different load conditions (empty, half-load, full-load) to test the guide shoe’s performance. Use a caliper to measure the roller’s outer diameter (standard 125mm, allowable deviation ±1mm) and record the data for trend analysis. Clean the guide rail surface and roller surface with a dry cloth to remove dust and debris.
-
Monthly Adjustment Check: Recheck the roller spacing and guide shoe position to ensure no deviation caused by long-term vibration. Apply a small amount of special lubricant (recommended by Nanjing Zhuye Elevatorparts, compatible with PU material) to the guide rail surface to reduce friction between the roller and guide rail.
3. Regular Maintenance Schedule
Systematic maintenance can effectively extend the service life of the RG-125W elevator roller guide shoe. Follow Nanjing Zhuye Elevatorparts’ recommended maintenance plan:
-
Quarterly Maintenance: Disconnect the power supply and fix the car to a safe position. Remove the dust cover and protective shield to inspect the roller, bearing, and bracket in detail. Clean the roller surface and bearing with a professional cleaner (avoid using corrosive agents). Check the bearing for wear or rust—apply lubricant if necessary. Reinstall the protective components and recheck the roller rotation.
-
Semi-Annual Performance Test: Conduct a comprehensive performance test, including roller wear status, guiding accuracy, load-bearing capacity, and noise level. Simulate long-term operation (100 cycles of up and down movement) to verify the guide shoe’s stability. For elevators in high-traffic areas (e.g., shopping malls, airports), increase the test frequency to once every 3 months.
-
Annual Professional Overhaul: Arrange a professional inspection with Nanjing Zhuye Elevatorparts’ certified technical team. Calibrate the guide shoe’s guiding accuracy to meet the original factory standards. Replace severely worn rollers or damaged bearings with genuine parts. Check the steel bracket for fatigue damage and replace if necessary.
Recommended Replacement Cycle for Elevator Roller Guide Shoes RG-125W
As a core guiding component bearing long-term car weight, frequent rolling friction, and environmental erosion (humidity, dust, vibration), the RG-125W roller guide shoe has a specified service life. Timely replacement is critical to avoiding faults such as excessive roller wear, unsmooth car movement, abnormal noise, or guide shoe deformation—issues that may lead to reduced ride comfort, guide rail damage, or even potential safety risks.
1. Standard Replacement Cycle
Under normal operating conditions (elevator daily operation time 12–24 hours, daily up and down cycles ≥ 800, environment temperature -10–60℃, humidity 10%–95%), the recommended replacement cycle for the Elevator Roller Guide Shoes RG-125W is 3–4 years. This cycle is determined based on Nanjing Zhuye Elevatorparts’ long-term field data, PU roller wear tests, and global user feedback.
2. Adjustments for Special Scenarios
-
Harsh Environments: For elevators in high-humidity coastal areas (salt spray corrosion), high-dust construction sites, or shafts with large temperature fluctuations, the replacement cycle should be shortened to 2–3 years. Harsh conditions accelerate PU roller aging, bearing corrosion, and steel bracket rust, significantly reducing the guide shoe’s reliability.
-
Low-Frequency Use Scenarios: For elevators with low usage frequency (e.g., villa elevators, small office buildings with daily operation time < 8 hours) and clean, stable shaft environments, the replacement cycle can be extended to 4–5 years—only if Nanjing Zhuye’s professional inspection confirms the guide shoe’s roller wear, guiding accuracy, and load-bearing capacity are intact (consistent with original factory standards).
3. Immediate Replacement Conditions
Replace the Elevator Roller Guide Shoes RG-125W immediately if any of the following issues occur, regardless of service life:
-
The PU roller has obvious wear (wear depth > 3mm), cracking, or peeling, leading to unsmooth car movement, abnormal noise, or car shaking during operation.
-
The roller is stuck, rotates with obvious resistance, or the internal bearing is damaged, causing the car to move with deviation or jamming.
-
The steel bracket is severely deformed or rusted, affecting the guide shoe’s load-bearing capacity and guiding accuracy.
-
The guide shoe fails the guiding accuracy test, with the car’s runout exceeding 1mm/m, which cannot be corrected by adjustment.
In conclusion, the Elevator Roller Guide Shoes RG-125W supplied by Nanjing Zhuye Elevatorparts is a high-quality, reliable guiding component tailored for elevator car systems. By following the correct usage methods, maintenance schedules, and replacement cycles, elevator maintenance teams can effectively ensure the stable and safe operation of the elevator car system, enhance passenger ride comfort, and minimize failure risks. Choosing Nanjing Zhuye Elevatorparts means you get not only authentic RG-125W roller guide shoes but also professional technical support, including model matching guidance, on-site installation advice, and prompt after-sales service.
