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Thermoforming plastic cups/plates/containers/boxes/lids Mould Manufacturers

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Thermoforming Mould

Thermoforming plastic cups/plates/containers/boxes/lids Mould

Thermoforming plastic cups, plates, containers, boxes, lids, etc. molds, in-mold cutting, knife edge with DC53, etc.

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  • Thermoforming plastic cups/plates/containers/boxes/lids Mould
  • Thermoforming plastic cups/plates/containers/boxes/lids Mould
  • Thermoforming plastic cups/plates/containers/boxes/lids Mould
  • Thermoforming plastic cups/plates/containers/boxes/lids Mould
  • Thermoforming plastic cups/plates/containers/boxes/lids Mould
  • Thermoforming plastic cups/plates/containers/boxes/lids Mould
  • Thermoforming plastic cups/plates/containers/boxes/lids Mould
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  • This mould series covers thermoforming tooling used to produce plastic cups, plates, containers, boxes and lids from thermoplastic sheet. Each mould is built around precision CNC-machined components, giving controlled dimensional accuracy across the forming, trimming and cutting stations that make up a complete thermoforming cycle, and supporting stable output when run over extended production periods.

    The tooling integrates in-mold cutting stations built with wear-resistant tool steels such as DC53, combining sheet forming and trimming into a single cycle rather than a separate off-line step. Mould configurations, including cavity layout and cutting geometry, are set up according to the target product and the thermoforming line on which the tooling will run. This mould range is applied across food packaging, foodservice disposables, medical packaging and electronic component packaging, wherever thermoformed plastic cups, plates, containers, boxes or lids are required.




    • Product Introducing:

    Key Features of Thermoforming Cup, Plate, Container, Box and Lid Moulds

    • Cavity and forming surfaces are produced by precision CNC machining, giving consistent dimensional control across every cavity in a multi-cavity layout.
    • In-mold cutting is built into the tooling, so the cutting operation takes place within the same cycle as sheet forming instead of a separate off-line trimming step.
    • Cutting edges and blades are made from wear-resistant tool steel such as DC53, which is selected for its hardness and resistance to edge wear under repeated cutting cycles.
    • Tooling structure is designed to hold its forming and cutting accuracy over long production runs, reducing the frequency of mid-run adjustment.

    Material Selection and Tooling Durability

    The cutting components of a thermoforming mould are exposed to repeated contact with plastic sheet at every cycle, so the choice of tool steel has a direct bearing on how long a blade edge stays sharp and dimensionally accurate. Tool steels commonly used for cutting stations in this type of tooling include DC53 and other high-hardness cold-work grades, chosen for their combination of wear resistance and toughness.

    The forming block and supporting structure are typically produced from aluminum or steel depending on the expected production volume and the surface finish required on the formed part. Material selection for both the forming surface and the cutting station is matched to the sheet material being processed and to the expected duty cycle of the production line.

    Installation, Commissioning and Maintenance Guidelines

    • The mould is mounted and aligned on the platens of the thermoforming machine according to the machine manufacturer's specifications before production trials begin.
    • Initial trial runs are used to confirm forming registration, cutting alignment and sheet feed timing before full production output starts.
    • Forming cavities and cutting edges are inspected on a regular schedule for wear, residue build-up or damage, with cleaning carried out between production batches as needed.
    • Any signs of reduced cutting sharpness or forming defects during production are addressed promptly to avoid inconsistent part quality.

    Application Fields and Industry Adaptability

    Thermoformed cups, plates, containers, boxes and lids produced with this mould type are used across several industries with different packaging requirements:

    • Food packaging — cups, trays and clamshell containers for retail and takeaway food products.
    • Foodservice and catering — disposable plates, bowls and lids used in dining and hospitality settings.
    • Medical packaging — trays and containers where dimensional consistency supports downstream handling and sealing processes.
    • Electronics packaging — component trays and protective packaging shaped to hold parts securely during transport.

    Comparison of Common Thermoforming Mould Configurations

    The table below compares two general tooling approaches used in thermoforming production, in-mold cutting versus post-forming off-line trimming, as a general industry reference rather than a specification of any single product.

    Comparison Item In-Mold Cutting Mould Post-Forming Off-Line Trimming
    Process Steps per Cycle Forming and cutting combined in one cycle Forming and trimming performed as separate steps
    Line Footprint Generally more compact, fewer downstream stations Requires additional trimming station and handling
    Cutting Edge Wear Exposure Cutting edge integrated into the mould, subject to regular inspection Trimming tool wear managed independently of the forming mould
    Typical Application Fit Higher-volume runs of a stable product design Product designs requiring frequent trimming adjustments

    Customization and Service Scope

    Mould specifications, including cavity count, cutting layout and overall dimensions, are configured according to the target product design and the thermoforming machine on which the tooling will run. Design and manufacturing support is provided from initial layout through to trial production, with technical support available for questions that arise once the mould is in regular use.

    Frequently Asked Questions

    Q1: What thermoplastic sheet materials can these moulds process?

    These moulds are generally set up to process common thermoforming sheet materials such as PP, PET, PS and PLA, with the specific material confirmed against the mould and machine setup for the intended product.

    Q2: What does in-mold cutting mean and how is it different from off-line trimming?

    In-mold cutting performs the trimming operation inside the mould during the same cycle as sheet forming, rather than sending formed sheet to a separate trimming station afterward. This reduces the number of separate handling steps in the production line.

    Q3: What steel grades are typically used for the cutting components?

    Cutting edges are commonly made from high-hardness cold-work tool steels such as DC53, chosen for their wear resistance under repeated cutting cycles. Other cold-work grades may also be used depending on the application.

    Q4: How is the mould size determined for a specific production line?

    Mould dimensions and cavity layout are determined by the target product design together with the platen size, sheet width and cycle requirements of the thermoforming machine the mould will be installed on.

    Q5: What maintenance does the mould require during regular use?

    Routine maintenance includes periodic inspection of the forming cavities and cutting edges, cleaning to remove sheet residue, and checking for early signs of wear so that adjustments can be made before part quality is affected.

    Q6: Can an existing mould design be adapted to a different production line?

    An existing design can often be adapted, though changes to cavity layout, mounting dimensions or cutting configuration may be needed to match the new machine and product requirements.

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Modern & Advanced Thermoforming Machines Manufacturer

Shanghai Yiyou Electromechanical Equipment Co, Ltd.

We are a professional factory in China that develops positive and negative pressure integrated pressure forming, punching, cutting and stacking machines with independent intellectual property rights. We are Custom Thermoforming plastic cups/plates/containers/boxes/lids Mould Suppliers, Manufacturers and China ODM/OEM Thermoforming plastic cups/plates/containers/boxes/lids Mould Factory. So far, more than 500 models of various types have been produced...
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