Analysis Of The Molding Installation And Heat Shrink Process Of Parallel Groove Clamps

In power distribution and transmission projects, the stability of connection points directly affects the operational lifespan of the entire line. Traditional exposed connections are susceptible to environmental corrosion, leading to increased contact resistance. Current industry trends favor integrated protection methods. The parallel groove clamp molding installation can fix the wires through heat shrinking. This solution, which combines mechanical crimping with polymer material sealing, is gradually becoming the preferred choice for high-standard power engineering projects.

Deep Integration of Molded Installation and Heat-Shrink Sealing

This installation method combines insulation protection with physical anchoring. The pre-molded layer precisely fits the clamp body during production, reducing cumbersome on-site construction steps.

• Radial Shrinkage Pressure: Upon heating, the heat-shrink material generates uniform centripetal force, tightly covering the conductor-clamp interface.

• Molten Adhesive Flow Filling: The inherent viscous inner layer melts as temperature rises, filling metal gaps and blocking moisture penetration.

• Balanced Stress Distribution: The molded structure, combined with heat-shrink tubing, disperses mechanical stress caused by wind vibration or its own weight, protecting the conductor from concentrated damage.

Construction Process and Quality Control Points

The parallel groove connector molded installation uses a heat-shrink process to fix the conductor. Strict temperature control standards must be followed during the operation.

1. Surface Treatment and Alignment
Before installation, remove the oxide layer from the conductor surface. Fully embed the conductor into the clamp groove and position it according to the preset position of the molded part.

2. Heat Shrink Operation Specifications
Use a constant-temperature hot air gun to heat evenly from the center outwards. Observe the color change and shrinkage tightness of the heat-shrink material. A small amount of adhesive overflowing from the edges indicates that the seal is complete.

3. Natural Cooling Check
Mechanical pulling is strictly prohibited immediately after heating. Allow it to cool naturally to room temperature, ensuring the sealed area is flat and free of air bubbles.

Long-Term Reliability Analysis

This connection mode improves the performance of power fittings in coastal salt spray and heavily polluted industrial areas. The physical barrier provided by the molding layer ensures that the contact surfaces inside aluminium pg clamp remain in an inert environment. This "active protection" design offers better resistance to UV aging and cracking compared to traditional externally wrapped insulation tape. Against the backdrop of enhancing the disaster prevention and mitigation capabilities of power lines, the bimetal pg clamp scheme, which uses heat-shrink technology for fixing, demonstrates a significant technological advantage.