Composition and Structure Diagram of a Welding Fiber Tray

A welding fiber tray is composed of a tray body, retaining tabs, markers, and optional splice or splitter holders, designed to organize and protect optical fibers during splicing and storage.

Tray Body

The main structure of a welding fiber tray is the tray body, typically manufactured from ABS plastic for durability, lightweight properties, and resistance to snagging or microbends ( ). The tray body provides the base for fiber routing and supports all other components. It is designed with smooth surfaces and rounded edges to prevent damage to delicate optical fibers.

Retaining Tabs and Fiber Routing

Retaining tabs are integrated along the tray to guide and secure fibers. These tabs have radius edges and rounded corners to minimize stress points and prevent microbends, ensuring the integrity of the optical signal ( ). The tabs allow fibers to be routed in organized loops, maintaining the minimum bend radius required for optical fibers.

Markers

Some trays include detachable markers that can be positioned for easy identification when multiple trays are stacked ( ). These markers help technicians quickly locate specific fibers or splices in complex installations.

Splice and Splitter Accommodation

Welding fiber trays are designed to hold splice protectors and optical splitters. For example, single-element trays can accommodate double-stacked heat-shrink splice protectors up to 60 mm long and optical splitters up to 60 x 7 x 4 mm ( ). Larger elliptical trays can hold multiple splitters or splices, with pivot points allowing modular stacking in closures.

Dimensions and Modular Design

Typical tray dimensions vary depending on the model, with common sizes around 148 x 125 x 7 mm for single-element trays and larger elliptical trays measuring 184 x 148 x 7 mm ( ). Trays are often designed to be stackable within closures, with pivot points or modular slots to facilitate installation and maintenance.

Material and Finish

The tray is finished to a high specification to prevent snagging and ensure smooth fiber handling.

AB

S plastic is commonly used, but other materials may be selected for specific environmental conditions. The finish ensures durability and resistance to mechanical stress during installation and operation ( ).

Summary

In essence, a welding fiber tray consists of: Tray body: ABS plastic base for fiber supportRetaining tabs: Rounded edges for fiber routingMarkers: Detachable for identificationSplice and splitter holders: Accommodate heat-shrink protectors and optical splittersModular design: Stackable and pivotable for closuresProtective finish: Smooth surfaces to prevent fiber damage This structure ensures that optical fibers are organized, protected, and easily accessible for splicing and maintenance operations.