A Stage Truss System is a spliceable metal frame structure composed of standardized rods and connectors. Its core function is to provide stable load-bearing support for stage equipment such as lighting, audio systems, LED screens, stage Truss system and special-effect devices (e.g., fog machines, follow spots). For instance, it can be used to construct main stage backdrop frames, lighting suspension frames, and sunshades for the audience area.Combining the dual advantages of "high-strength load-bearing" and "modular flexibility," stage truss system for event it is widely applicable to almost all professional stage scenarios, including theater performances, large-scale galas, music festivals, exhibition events, and outdoor celebrations.It's the absolute cornerstone! I. Core Features: Integration of Structural Advantages and Functional Value
The competitiveness of stage truss systems lies in three key dimensions: load-bearing reliability, combination flexibility, modular stage truss structure and scenario adaptability, with specific manifestations as follows:
1. High-Strength Load-Bearing: Safely Supporting Various Stage Equipment
Materials and Strength:lightweight stage truss design The mainstream materials are Q235/Q345 hot-dip galvanized steel (for dry indoor scenarios, tensile strength ≥235MPa) or 6061-T6 aluminum alloy (for outdoor/lightweight needs, tensile strength ≥275MPa). Rods are mostly "square tube" or "round tube" structures (square tubes offer stronger torsion resistance,easy assemble stage truss while round tubes have better aesthetics). The wall thickness is selected based on load-bearing requirements, ranging from 1.5mm to 3.0mm (conventional lighting trusses have a wall thickness ≥2.0mm, and LED large-screen trusses ≥2.5mm).
Clear Load-Bearing Standards: Load-bearing grades are classified by span and purpose. A single conventional truss (3m span) can bear 80-150kg (for hanging lighting and small audio systems), while a reinforced truss (5m span) can bear 200-300kg (for hanging P3/P4 LED screens). Manufacturers must provide a "load-bearing calculation report" (calculated based on the yield strength of the rods, with maximum stress ≤70% of the yield strength) to avoid equipment falling risks.
Stable Structural Design: It adopts "Pin-Lock Truss triangular/quadrilateral truss units" (triangular structures have stronger wind and tilt resistance, suitable for outdoor use; quadrilateral structures have large internal space, suitable for wire threading and equipment installation).transparent;">Units are fixed with "bolts + pins for dual fixation" to ensure no looseness at splice joints. The overall deflection is ≤L/500 (L is the truss span; e.g., deflection ≤10mm for a 5m span). 2. Modular Combination: Flexibly Shaping Stage Forms
Standardized Units and Splicing: Single truss segments are mostly 1m, 2m, or 3m in length (facilitating transportation and combination). They can be spliced using "plug-in connectors," "flange plates," or "quick-locking buckles" to form arbitrary shapes such as straight lines, arcs, triangles, and rectangles. For example:
A "20m×8m curved lighting frame" for a music festival;
A "5m×3m booth truss" for exhibitions.
The conventional installation height is 3-8m (meeting the needs of most indoor venues). For large outdoor events, the height can be extended to over 10m using "columns + diagonal braces" (e.g., a 12m-tall lighting frame for the main stage of a music festival). In terms of span, the maximum single span can reach 15m (intermediate support columns are required to avoid excessive deflection), and multi-span linkage can cover hundreds of square meters Aluminum Pin-Lock Truss (e.g., a circular lighting frame in a stadium). Functional Expansion Compatibility: The truss surface has pre-reserved "equipment installation holes" (spaced 50-100cm apart, suitable for lighting hooks and audio suspension points). Some models are equipped with "built-in cable troughs" (to hide equipment wires and prevent tripping). Pin-Lock Truss for Concert Rigs Additionally, "blackout cloth rails" and "backdrop printing hooks" can be added to achieve integrated "support + decoration." 3. Multi-Scenario Adaptability: Catering to Indoor/Outdoor and Different Environments
Environmental Weather Resistance:
For dry indoor scenarios (theaters, hotels), "ordinary spray-painted steel trusses" are optional (low cost and high aesthetics);
For outdoor/humid scenarios (e.g., seaside music festivals, rainy celebrations), "hot-dip galvanized steel trusses" (zinc coating thickness ≥85μm, no rust after ≥72 hours of neutral salt spray testing) or "anodized aluminum alloy trusses" (oxide film thickness ≥10μm, resistant to rain and UV rays) are required to avoid rusting and breaking after long-term use.
Installation Ground Adaptability:
For concrete/floor tile surfaces, "expansion bolt-fixed bases" are used (to enhance wind resistance);
For lawn/soft ground, "load-bearing pallets + ground anchors" are adopted (to disperse pressure and prevent sinking);
For temporary events, "movable counterweight bases" (e.g., water-filled sandbags, cast iron counterweights) are available (no ground damage required).
Transportation and Assembly/Disassembly Efficiency:
A single steel truss segment weighs 20-40kg (handled by 2-3 people), while an aluminum alloy truss is 40% lighter (12-25kg per segment, portable by one person);
No welding is needed for assembly/disassembly—bolt fixation can be completed with a wrench. A 2-3-person team can set up or disassemble a 100㎡ truss system within one day, making it suitable for "quick transfers" in tour performances and mobile events.
Wuxi Zhongshengwei Metal Products Co., Ltd.
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