Hanging Gate Stopper: Selection and Installation
A hanging gate track stopper is a critical safety component. This hardware part serves as a limit stop for roller carriages, preventing them from sliding out of the track and ensuring a smooth stop of the gate leaf at designated points.
Fig. 1 — Element layout: 1. Internal stopper; 2. Track end cap; 3. Bottom limiter.
Why Do Hanging Systems Need a Stopper?
In hanging gate systems, the main dynamic load falls on the upper track. The absence of a high-quality limiter carries serious risks:
- Carriage Derailment: Gate inertia can cause the rollers to fly out of the profile.
- Premature Wear: Harsh "metal-on-metal" impact damages the roller carriage bearings.
- Automation Error: The stopper provides a stable end point required for the correct operation of the electric drive.
Types of Limiters and Their Functions
№1: Internal Stopper Mounted directly inside the track profile. Equipped with a rubber damper that effectively absorbs the carriage's impact energy. Hidden mounting protects the part from corrosion.
№3: Bottom Stop Installed externally at the lowest stop points of the gate frame. Equipped with a damper that cushions the impact of the entire hanging structure, preventing swaying.
Technical Selection Criteria
| Specification | KSV Systems Requirement |
|---|---|
| Profile Size | Exact match to the internal track section (mm) for a tight fit. |
| Damper Material | Frost-resistant rubber (maintains elasticity down to -30°C). |
| Coating | Galvanic zinc plating (at least 8 µm layer) for rust protection. |
Step-by-Step Installation Guide
- Marking: Move the gate to the extreme position (open/closed) and mark the carriage fixation point.
- Installation: Insert the stopper (№1) into the track with the damper facing the rollers.
- Fixation: Tighten the locking bolts on the stopper body as firmly as possible.
- End Caps: Install rubber end caps (№2) at the ends of the upper track to protect against debris and precipitation.
Engineer's Tip: For stable operation, we recommend leaving a technical offset — 25 cm from the track edge to the center of the roller carriage (in both "open" and "closed" positions). This space is necessary for proper stopper and end cap placement.
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