WRG80 Isolated Roller Guide
Factory-preadjusted spring-mounted roller guide for elevator counterweight-frame guidance.
Product Model and Features
WRG80
- Rollers remain in contact with the guide rail through the isolated spring-mounted arrangement.
- Supplied as a factory-preadjusted and sealed pair.
- Available in the documented 9 mm and 16 mm guide-rail configurations.
Product View
Technical Drawings
The numbered call-outs identify the spring, adjusting nut, lock nuts, limiter screw and movement limiter. The drawings retain the complete spring-length and limiter-gap dimensions.
Product Information
| Product type | Factory-preadjusted isolated roller guide for counterweight frames |
|---|---|
| Commercial model | WRG80 |
| Maximum nominal speed | 2.5 m/s |
| Maximum counterweight mass | 3200 kg |
| Weight of four guide units | 13.2 kg |
| Maximum calculated roller force | 70 N on the car side or 100 N on the counterweight side when the car is empty |
| Installation gap A | 4.5 mm |
| Required shimming accuracy | 0.5 mm |
| Factory spring length | 28 mm |
| Side movement-limiter gap | 1.5 mm |
Guide-Rail Configuration
| Rail width | Manual example | Factory limiter setting |
|---|---|---|
| 9 mm rail | T70-1/A example | 1.0 mm movement-limiter gap |
| 16 mm rail | T89/A example | 3.0 mm movement-limiter gap |
Before You Buy
Select WRG80 for the counterweight-frame application and the required 9 mm or 16 mm guide rail. The springs and movement limiters are factory set and sealed; do not adjust them during installation. Use shims between the base and fixing plate to achieve the specified alignment.
Frequently Asked Questions
Which guide rails are documented for WRG80?
The operating instruction documents a 9 mm configuration using T70-1/A as an example and a 16 mm configuration using T89/A as an example.
What are the WRG80 operating limits?
The documented limits are 2.5 m/s maximum nominal speed and 3200 kg maximum counterweight mass.
Should the spring or movement limiter be adjusted?
No. WRG80 is supplied preadjusted and sealed. The instruction states that the spring and movement-limiter settings must not be changed.
