Multi‑Station Thermoforming Machine

Multi‑station thermoforming machines are high‑efficiency integrated production equipment widely used for disposable plastic packaging products. Featuring multi‑station continuous operation (3‑station / 4‑station mainstream configurations), they complete feeding, heating, forming, cutting, stacking and waste collection in one continuous process.

Compared with single‑station models, they deliver higher production speed, stable performance and lower labor costs, perfectly suited for mass production of cup lids, plastic cups, food boxes, bowls and other plastic packaging parts.

Thermoforming Mold

Part 1: Product Applications & Categories

1. Catering & Takeaway Packaging

• Products: Disposable lunch boxes, multi-compartment bento boxes, soup bowls, burger clamshells, salad bowls.

• Applications: Fast-food chains, food delivery platforms, convenience store ready-meals.

• Materials: PP (Microwavable/Freezable), PP + Talc (Cost-efficient & high rigidity).

2. Beverage Packaging & Lids

• Products: Coffee cup lids, bubble tea dome lids, cold drink flat lids, vending machine cups, ice cream cups.

• Applications: Coffee shops, juice bars, airlines, mega-events, and stadium catering.

• Materials: PET (High clarity), PS, PP, PLA (100% Biodegradable).

3. Supermarket Fresh & Fresh Produce Packaging

• Products: Fresh meat trays, Modified Atmosphere Packaging (MAP) trays, fruit punnets, blueberry clamshells, egg cartons/trays.

• Applications: Cold-chain logistics, food processing plants, agricultural packaging automation.

• Materials: APET, PVC, PP, CPET (Oven-safe high-temperature plastic).

4. Agriculture & Horticulture

• Products: Seedling plug trays (32 to 200 cells), flower pots, hydroponic trays, transport trays.

• Applications: Commercial greenhouses, automated plant factories, plant nurseries.

• Materials: HIPS, PS, PVC (Highly compatible with recycled plastic flakes).

5. Medical & Industrial Blister Packs

• Products: Ampoule & pill blister trays, sterile medical device packaging, anti-static (ESD) electronic component trays, hardware tool blister shells.

• Applications: Pharmaceutical factories, semiconductor assembly lines, hardware manufacturing.

• Materials: PETG, PVC, PS.

Part 2: Technical Overview of Multi-Station Thermoforming Tooling

What is Multi-Station Thermoforming Tooling?

Multi-station tooling is a fully integrated, high-precision engineering system designed for automatic thermoforming machines. Instead of a single mold, it consists of a synchronized three-part or four-part tooling combination:

1. Forming Station Mold: Utilizes combined pressure and vacuum with pneumatic plug assists to stretch and shape plastic sheets.

2. Punching/Cutting Station Die: Trims the formed products cleanly from the skeleton sheet at high speeds.

3. Stacking & Counting Tooling: Mechanically or pneumatically stacks, counts, and packs the final products onto conveyors.

Core Technical Advantages

• Pressure & Vacuum Combined Forming: Supports simultaneous top-pressure air and bottom-vacuum suction. Combined with syntactic foam plug assists, it guarantees sharp product contours, perfectly filled ribs, and precise airtight snap-locks.

• In-Mold/In-line Precision Trimming: Trimming dies are CNC-machined from imported premium tool steel (e.g., DC53, SKD11) with vacuum hardening (HRC60+). It delivers flawless, burr-free peripheral edges and completely eliminates plastic micro-scraps.

• 3D Conformal Cooling Channels: Integrated 3D cooling fluid circuits wrap perfectly around the cavity geometries. This ensures rapid, uniform heat dissipation, eliminating product warping/shrinkage and driving cycle speeds up to 30–45 cycles per minute.

• Flexible Modular Insert Design: Molds feature a clever interchangeable insert system. Clients can modify the tray depth or switch brand logos on the bottom simply by changing the mold inserts, saving massive R&D costs for new product launches.

Part 3: Deep Customization for 6 Core Products

Product 

1: Cup Lid Thermoforming Mold

2. Product Title

High-Speed Cup Lid Thermoforming Mold for 3/4 Station Machine | Custom Plastic Lids Tooling

3. Brief Introduction

High-precision cup lid molds for 3/4 station thermoforming machines. Perfect for PP/PET/PS coffee & beverage lids with clean cutting and high-speed production.

4. Product Description

Our premium Cup Lid Thermoforming Molds are engineered for high-speed 3-station and 4-station forming-cutting-stacking integrated machines. It is the ultimate solution for large-scale production of disposable plastic lids, including coffee cup lids, tea lids, smoothie lids, and food container caps.

【Key Features & Advantages】

1. Premium Material & Durability: Mold cavities are CNC-machined from top-grade Aviation Aluminum or high-quality mold steel . Anti-corrosive surface treatment ensures a lifespan of over millions of cycles.

2. Perfect Cutting & Fitting: Equipped with advanced In-Mold Cutting (IMC) technology, ensuring 100% precise trimming without burrs. The resulting lids offer an airtight click-fit with plastic or paper cups.

3. Optimized Cooling System: Customized 3D conformal cooling water channels allow uniform and rapid heat dissipation, minimizing cycle times and maximizing OEE.

【Technical Specifications】

• Compatible Machines: 3 or 4 Station Pressure & Vacuum Thermoforming Machines

• Process Materials: PET, PP, PS, PLA, Biodegradable sheets

• Cavity Count: Tailored to machine bed size (e.g., 24, 32, 48, 64 cavities)

• Maximum Forming Depth: Up to 50 mm

Product 2: Multi-Compartment Food Container Mold

2. Product Title

Multi-Compartment Food Container Thermoforming Mold | Disposable Plastic Bento Box Tooling

3. Brief Introduction

Heavy-duty multi-compartment food box molds for 3/4 station formers. Optimized for PP/PP+Talc takeaway containers with high stiffness and clean rib forming.

4. Product Description

This high-performance Multi-Compartment Food Container Mold is professionally designed for automatic multi-station thermoforming equipment. It delivers flawless forming of single, 2, 3, and 4-compartment lunch boxes, bento trays, and clamshells.

【Key Features & Advantages】

1. Advanced Rib & Snap-Lock Design: The cavity is engineered to form robust geometric ribs, providing excellent stacking strength. The snap-lock edges guarantee leak-proof sealing with matching lids.

2. Plug Assist Technology: Utilizes syntactic foam or nylon material for pneumatic plug assists, ensuring uniform wall thickness distribution even for deep-drawn compartments.

3. Wear-Resistant for Eco-Materials: Specialized hardening treatments on blades and cutting edges prevent wear caused by abrasive materials like Talc-filled PP or Calcium Carbonate additives.

【Technical Specifications】

• Compatible Systems: Automatic Pressure/Vacuum Forming with In-line Trim

• Suitable Materials: PP (Microwavable), CPET, Bio-plastics, PP+Talcum

• Cavity Layout: Optimized based on sheet width (e.g., 2x4, 3x4 layout)

• Ejection: Mechanical/Pneumatic strip with automated stacking compatibility

Product 3: Seedling Tray Thermoforming Mold

2. Product Title

Automatic Seedling Tray Thermoforming Mold | Plastic Plug Tray Mold for Agriculture

3. Brief Introduction

High-speed seedling tray molds for multi-station thermoformers. Designed for multi-cavity, deep-draw plastic plug trays (PS/PVC) with precise bottom drainage punching.

4. Product Description

Agricultural plug trays require deep-drawing, multi-cavity layouts, and precise bottom drainage. Our Seedling Tray Thermoforming Mold is engineered to meet these strict demands, compatible with continuous automatic thermoforming machines.

【Key Features & Advantages】

1. Exceptional Deep-Draw Uniformity: Incorporates custom plug-assist drives to guarantee consistent material distribution down to the bottom of each cell, eliminating weak spots.

2. Integrated Drainage Punching: Includes an ultra-precise inline punching mechanism that cuts perfect drainage holes simultaneously, ensuring zero plastic scrap remaining in the cells.

3. High-Density Cavity Optimization: Engineered to maximize sheet utilization for standard sizes (e.g., 32, 50, 72, 105, 128, 200 cells), lowering unit production costs significantly.

【Technical Specifications】

• Compatible Machines: 3/4 Station Thermoformers & Roll-fed Vacuum Formers

• Material Capability: HIPS, PS, PVC, PET (including 100% recycled flakes)

• Demolding Finish: Sandblasted or PTFE (Teflon) coated for seamless ejection

• Tooling Base: Heavy-duty steel base with precision guidance pillars

Product 4: Egg Tray & Carton Thermoforming Mold

2. Product Title

Automatic Egg Tray Thermoforming Mold | 6, 10, 12, 15 Cell Plastic Egg Carton Tooling

3. Brief Introduction

High-precision egg carton molds for 3/4 station thermoformers. Custom 6/10/12/15-cell designs in PET/PVC, featuring reliable double-snap locks and excellent drop resistance.

4. Product Description

Plastic egg cartons for retail and egg trays for logistics require optimal protective performance. Our multi-station Egg Tray Thermoforming Mold is engineered for ultra-high-speed, automated production lines, helping manufacturers minimize unit costs while outputting high-strength, crystal-clear packaging.

【Key Features & Advantages】

1. Anti-Crush & Cushioning Engineering: The mold features optimized tapered pillars and radial contours. The finished cavities securely cradle eggs of various sizes, delivering superior shock absorption during transit.

2. Secure Double Snap-Lock Systems: For retail egg cartons, the mold tooling integrates advanced snap-lock geometries. The locks are calibrated to remain firmly closed on conveyor belts yet stay easy for consumers to open manually.

3. Ultra-Flat Labelling & Printing Surface: The top lid section of the cavity undergoes premium mirror-polishing. This guarantees an ultra-smooth plastic surface, ensuring flawless automatic label application or direct inkjet printing.

4. Heavy-Duty Cutting Edge for PET: Given that PET material is tough to trim, we utilize imported high-hardness premium matrix steel for the cutting dies, ensuring clean, burr-free edges across millions of cycles.

【Technical Specifications】

• Machine Compatibility: 3 or 4 Station Pressure & Vacuum Forming-Cutting Integrated Machines

• Process Materials: APET, PET, PVC, PS, PLA (Compatible with 100% recycled flakes)

• Common Configurations: 6-cell, 10-cell, 12-cell, 15-cell (Clamshells), and 30-hole transport trays

• Advanced Tooling: Synthetic plug assists for wall uniformity; 3D conformal cooling channels

Product 5: Rectangular Food Tray Thermoforming Mold

2. Product Title

Rectangular Food Tray Thermoforming Mold | Plastic Meat & Fruit Tray Tooling for 3/4 Station Machine

3. Brief Introduction

High-speed rectangular food tray molds for 3/4 station formers. Ideal for PP/PET meat & fruit trays, featuring high-flatness edges for flawless film heat-sealing.

4. Product Description

Rectangular food trays are widely used in supermarket fresh meat packaging, cold-chain logistics, and ready-to-eat meal sealing. Our Multi-Station Rectangular Food Tray Mold is engineered for fully automatic thermoforming lines to produce heavy-duty, stackable trays with optimized material distribution.

【Key Features & Advantages】

1. High-Flatness Flange for Flawless Sealing: For Modified Atmosphere Packaging (MAP) or lidding film sealing, the tray rim profile is CNC-machined to micro-level precision. This guarantees a perfectly flat sealing flange, achieving 100% airtight bonding to extend food shelf life.

2. Functional Bottom Ribs & Texturing: The mold cavity can be customized with intricate geometric patterns, honeycomb textures, or undercuts. This enhances the overall bending stiffness of the tray and creates channels to trap moisture/juices from fresh proteins.

3. Conformal Cooling Waterways: Designed for mass production, the mold features internal 3D conformal cooling circuits. Uniform cooling eliminates plastic warping on large flat surfaces and slashes cycle times to maximize daily output.

4. Precision In-line Trimming Die: The trimming edges utilize premium imported tool steel with vacuum hardening treatment. This ensures clean, burr-free peripheral cuts across millions of strokes, minimizing plastic scrap rates.

【Technical Specifications】

• Machine Type: Continuous 3 or 4 Station Pressure/Vacuum Thermoformers

• Raw Sheet Compatibility: PP (Microwavable/Freezable), APET, CPET (Ovenable), PLA, PS

• Tooling Features: Syntactic foam plug assists, multi-zone heating optimization

• Cavity Layout: Tailored to bed sizes to maximize throughput (e.g., 2x4, 3x5 layouts)

Product 6: Rectangular Fruit & Vegetable Tray Thermoforming Mold

2. Product Title

Rectangular Fruit & Vegetable Tray Thermoforming Mold | Plastic Produce Tray Tooling for 3/4 Station Machine

3. Brief Introduction

High-speed produce tray molds for 3/4 station formers. Designed for PET/PVC fruit & vegetable trays, featuring venting hole integration and smooth edges to protect fresh produce.

4. Product Description

Fresh fruits and vegetables release moisture and gas during storage. Their packaging demands unique ventilation, cushioning, and high visibility. Our Multi-Station Rectangular Produce Tray Mold is specifically engineered for fully automatic thermoforming lines to yield crystal-clear, breathable, and rigid trays for agribusinesses and supermarkets.

【Key Features & Advantages】

1. Integrated Ventilation & Drainage Slots: To prevent moisture condensation and prolong shelf life, the mold cavities are designed with precise inline punching inserts. This allows air-vent or drainage holes to be punched flawlessly on the bottom or sidewalls of the trays during the thermoforming process.

2. Anti-Scratch Smooth Flange: Optimized for retail environments, the trimming steel features a micro-radius treatment. The resulting trays have perfectly smooth edges with zero burrs, preventing the plastic from scratching delicate skins of fruits (e.g., berries, tomatoes) and protecting consumer hands.

3. High-Clarity Mirror Finish: The mold surface undergoes a precision optical polishing process, making it ideal for processing ultra-clear A-PET or PVC sheets. Combined with scientific draft angles, it ensures smooth mechanical ejection without causing any stress-whitening marks on the plastic.

4. Cost-Effective Modular Inserts: To accommodate various tray depths or patterns required for seasonal fruits, the tooling features a flexible insert-block structure. Fabricators can easily swap the core inserts to change product dimensions without investing in an entirely new mold base.

【Technical Specifications】

• Compatible Systems: Automatic 3/4 Station Pressure/Vacuum Thermoforming Equipment

• Raw Material Capability: A-PET (High Transparency), PVC, PP, PLA biodegradable resin

• Specialized Components: Syntactic foam plug assists, custom inline punch dies for air vents

• Application Focus: Strawberry punnets, salad leaf trays, blueberry clamshell bases, supermarket tomato trays