Injection Molded Plastic Food Stall Round Stool Mold — Product Introduction (Motek Furniture Mold Series)
Injection Molded Plastic Food Stall Round Stool Mold — Product Introduction (Motek Furniture Mold Series)
Product Positioning
Motek introduces dedicated injection mold solutions for injection molded plastic round stools for food stall use. These products feature a round seat with four-leg or pedestal-base construction—combining comfortable seating, stackable storage, and high-volume production efficiency for restaurants, food stalls, night markets, and outdoor dining areas. Compared with square or high-back stools, the core challenges of round stool molds lie in round-body warpage control, four-leg dimensional consistency for stable placement, and multi-cavity balance for cost-effective high-volume output. Motek configures dedicated solutions around cavity layout, cooling systems, and demolding mechanisms, helping customers achieve stable mass production of round food stall stools.
Core Specifications
| Item | Specification |
|---|---|
| Applicable Plastics | PP (copolymer, good toughness, impact-resistant, preferred for food stall use; UV-resistant formulation optional) / HDPE (high rigidity, weather-resistant) |
| Mold Material | P20 / 718H / NAK80 for cavity and core; 718H / 2316 for sliders and inserts |
| Number of Cavities | 1×1 primarily; 1×2 or 1×4 evaluable for compact round stools |
| Mold Life | 300,000–1,000,000 shots (depending on steel selection and maintenance) |
| Cycle Time | 20–40 seconds (depending on stool size and cooling design; multi-cavity molds increase per-mold output) |
| Mold Base Standard | LKM / HASCO / DME or customer-specified |
| Runner System | Hot runner recommended (balanced multi-cavity filling) / Cold runner optional |
| Ejection Method | Ejector pins + stripper plate composite ejection; air-blow assistance for deep-cavity legs |
| Load-Bearing Structure | Reinforcement ribs/gradual wall thickness at leg-to-seat connections integrally formed |
| Anti-Slip Design | Seat anti-slip textures/foot pad mounting positions integrally formed |
Product Features
Round-Body Warpage Control.
Round stool seats are axisymmetric structures where radial versus circumferential shrinkage differences can cause ovality or seat surface concavity. 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 around the circumference. Reinforcement ribs are concealed on the underside with thickness controlled at 50%–60% of main wall thickness to prevent visible sink marks on the seat surface.
Four-Leg Dimensional Consistency and Stable Placement.
The four legs of a round stool must have consistent dimensions and angles to ensure stable placement without wobbling. Motek produces same-size stool bodies using multi-cavity molds or shared mold base + interchangeable insert solutions, optimizing runner balance across cavities through mold flow analysis to ensure consistent seat height, leg spacing, and foot bottom flatness across all cavity positions. Foot bottom flatness receives dedicated tolerance control to prevent stool wobbling caused by a single elevated leg.
Load-Bearing Reinforcement at Seat-to-Leg Connections.
The load of a round stool concentrates at the seat-to-leg connection areas. Motek forms reinforcement rib networks and gradual wall thickness structures in these areas to avoid cracking caused by stress concentration. Mold flow analysis evaluates filling completeness at connection areas, preventing weak points caused by trapped gas. Industry experience shows that load-bearing testing for food stall stools must cover both static load and dynamic stepping conditions.
Multi-Cavity Balance for High-Volume Production.
Food stall round stools are high-volume, cost-sensitive products. Motek optimizes runner balance and gate layout through mold flow analysis, ensuring consistent product weight, dimensions, and wall thickness across all cavities. Hot runner systems are recommended to reduce cold slugs and maintain balanced filling across 1×2 or 1×4 cavities, improving production efficiency and reducing unit cost.
Seat Anti-Slip and Comfort Design.
Round stool seats require anti-slip functionality and seating comfort. Motek forms anti-slip textures (concentric rings/radial ribs/protrusion patterns) directly in the cavity, with texture depth and spacing design-verified to balance slip resistance with cleaning convenience. Seat edges are rounded and deburred to enhance comfort and safety.
Stacking and Handling Convenience.
Food stalls need to stack stools for space-saving storage when closing. Motek designs stacking positioning structures on the stool body, ensuring stable stacking without tipping and smooth retrieval. Stacking position angles and spacing are design-verified to accommodate high-frequency food stall storage requirements.
Applications
Motek injection molded plastic food stall round stool molds are suitable for:
- Food stall/night market round dining stools
- Outdoor food court/barbecue stall round stools
- Restaurant/cafe round stools
- Household round stools for dining tables
- Temporary event/market round seating
Service Process
After the customer provides 3D product drawings, seat diameter and height, load-bearing requirements, and appearance requirements, Motek completes mold flow analysis (including round-body warpage compensation, four-leg load-bearing structural analysis, and multi-cavity balance verification) and mold structure confirmation; cavity steel and hot runner systems are procured according to agreed specifications; progress and key milestones are regularly reported during processing. During trial molding, emphasis is placed on verifying stool placement stability, seat-to-leg connection strength, multi-cavity dimensional consistency, and appearance surface quality, with samples provided for confirmation. Before shipment, molds undergo anti-rust treatment and action testing, with water circuit diagrams, hot runner wiring diagrams, consumable parts lists, and maintenance instructions provided. Technical support is available during the warranty period, with lifetime maintenance consultation.
Motek — From round food stall stools to high-back chairs, providing reliable mold solutions for injection molding and high-volume production of commercial plastic seating.
