Outdoor Plastic Modular Straight-Leg Round Table Injection Mold — Product Introduction (Motek Furniture Mold Series)

Product Positioning

Motek introduces dedicated injection molds for straight-leg supported, modularly interlocking round plastic tables for outdoor use. This product type uses vertical straight legs instead of angled or folding legs, offering good support stability and a clean appearance. The round tabletop can be combined with other table panels through interlocking structures, balancing the large-size requirements of outdoor dining with the convenience of separate packaging and transport. The core challenges in mold development lie in forming the connection structure between straight legs and the round tabletop, warpage control of the large circular flat surface, and weather resistance and structural strength under outdoor use conditions. Motek focuses on connection structure forming, annular cooling channels, and demolding system design, helping customers achieve stable mass production of outdoor modular straight-leg round tables.

Core Specifications

Product Features

Integral Forming of Straight-Leg Connection Structures.

The connection between straight legs and the round tabletop is the critical load-bearing area. Motek forms straight-leg mounting positions, connection seats, and locating features through slider and insert systems, ensuring good perpendicularity between legs and tabletop after assembly with uniform force distribution. For solutions where straight legs and tabletop are integrally injection molded, the mold designs demolding mechanisms for undercut structures at leg roots; for split-assembly solutions, the focus is on controlling connection seat dimensional accuracy and mounting hole position consistency, ensuring the tabletop remains stable without wobbling after multi-leg assembly.

Warpage Control for Large Circular Flat Surfaces.

The round tabletop is an axisymmetric large flat surface, and radial versus circumferential deformation differences during shrinkage can easily cause edge warping or "dish-shaped" deformation. Motek evaluates shrinkage distribution through mold flow analysis, applies pre-deformation compensation to the cavity, and adopts annular balanced cooling channels to equalize cooling rates across tabletop regions, controlling roundness and flatness from the source. Annular reinforcement ribs can be arranged on the tabletop underside to enhance rigidity, with rib thickness controlled not to exceed tabletop wall thickness to avoid sink marks on the appearance surface.

Interchangeability Control of Modular Interlocking Structures.

Modular round tables are combined with other table panels through edge interlocking snap-fits or connectors, with interlocking dimensional accuracy directly affecting flatness and stability after assembly. Motek forms interlocking snap-fits and connector mounting positions through a slider system, with cavity dimensions receiving dedicated tolerance control at interlocking areas, ensuring uniform assembly gaps and stable interchangeability across different production batches.

Weathering Considerations Under Outdoor Use Conditions.

Outdoor round tables are exposed long-term to UV, temperature fluctuations, and rain. During the mold design phase, the UV resistance grade of the plastic base material must be confirmed with the customer, and the shrinkage rate difference between modified materials and standard PP must be considered in cavity dimension calculations. Wall thickness can be appropriately increased at impact-prone areas such as straight-leg bottoms and tabletop edges to enhance overall durability. Interlocking areas must ensure smooth drainage to prevent water accumulation that accelerates aging.

Balanced Ejection to Protect Round Table Appearance.

Large-diameter round tabletops are prone to stress whitening or localized deformation from uneven ejection force. Motek adopts a multi-point ejector pin layout evenly distributed along the circumference, with ejection points preferentially located at reinforcement ribs, connection seats, and other non-appearance areas, ensuring no visible ejector marks on the tabletop appearance surface during demolding.

Applications

Motek outdoor plastic modular straight-leg round table injection molds are suitable for:

• Outdoor round dining tables with straight-leg support
• Outdoor round tables interlockable with other table panels
• Straight-leg outdoor round tables with center umbrella holes
• Split-assembly straight-leg round tables (tabletop and legs packaged separately)
• Modular round tables for commercial food stalls/courtyards

Service Process

Motek — From straight-leg single tables to modular round tables, providing reliable mold solutions for injection molding and stable mass production of outdoor plastic tables.