IML MOLD TOOLING
In Mold Labeling Mold
HecosTech supplies custom IML injection molds for cups, lids, containers and buckets. Tooling connects the container shape and decorated faces with label placement, robot access and the intended molding machine.
Container & label fit · Mold cavity design · Robot and machine interfaces
IML Tooling for Your Packaging Format
Specify the mold for your own production line, with label and robot interfaces coordinated around the container. Labels, finished packaging and automation are separate supply items unless agreed.
What Makes an IML Mold Different?
Label-to-Cavity Fit
Molding & Release
Robot & Machine Access

IML Mold Applications
Cups & Tubs
Lids & Covers
Buckets & Pails
Thin-Wall Containers
Mold Options & Integration Conditions
Container & Label
Use the same approved container revision and label dieline. Define coverage, seam or overlap, clear faces and label-location constraints before fixing the cavity.
Resin & Surfaces
Resin and label material guide gate, runner, venting, cooling and surface choices. Review label holding and molded-part release against the decorated product.
Cavity & Output
Cavity arrangement and the production sequence are selected around demand, container geometry and the intended process. Output and tooling-life targets remain project-specific.
Machine Interface
Check platen and tie-bar dimensions, mold thickness, opening, ejection and nozzle details against the actual machine.
Robot & Handling
Coordinate robot entry, label placement, tooling clearance, takeout and machine signals. Identify who supplies each interface and any existing automation.
Trials & Supply
Agree trial checks for container dimensions, label fit and appearance, and release. Record approved revisions and open issues; quote labels, robots and finished parts separately where needed.
Label Holding, Edges and Gate-Facing Graphics
Holding a label in position before injection does not settle how melt meets its edge or printed surface during filling. Review these relationships separately on the proposed mold and label design.
| Scope | Physical relationship |
|---|---|
| Edge | Label positioning and protection against melt flowing beneath an edge serve different purposes. IMDA describes an IML-foot detail as one industry example of this edge relationship. Ask the mold proposal to show the intended edge solution in section. |
| Gate | Where a label faces the gate, local melt exposure can affect printing. StackTeck discusses gate wash and supplier design options such as a label opening or an unprinted region. Compare the proposed label outline and printed region with the gate location before approving either design. |
| Venting | IMDA notes venting with its IML-foot example. Review it with the proposed edge detail, and identify the intended mold venting separately from any label-holding vacuum connection. |
Sources: IMDA In-mold Basics, IML Foot and StackTeck design presentation, page 4. These are industry and manufacturer examples, not HecosTech mold specifications or proven trial results.
Review the IML injection mold product scope, then request a configured mold review using the actual container, label and intended machine.
IML Mold Questions
Review the container, label, tooling and automation interfaces together. Keep open design and trial decisions visible when comparing proposals.
What should I send for an IML mold review?
Send container drawings or samples, current label artwork or dieline, resin requirements, intended molding machine and robot details if available. Identify which dimensions, cavity targets or label decisions are still open.
Must cavity count and label placement be fixed first?
They can begin as targets. Share required output and the current label concept; the final cavity count, label placement and runner arrangement should be reviewed with the container, machine and robot sequence before tooling is fixed.
Does the IML mold quote include labels or a robot?
Only if those items are explicitly included. An IML mold, printed labels, a robot, trial samples and ongoing plastic-part supply are distinct scope items. List provided equipment and customer responsibilities in the proposal.
Does the first decorated sample approve the mold?
Not by itself. Review the decorated sample against agreed product dimensions, label fit and appearance, molding and release criteria. Record open issues and the exact tool/label revision that approval covers.
Request an IML Mold Engineering Proposal
Share container and label drawings or samples, the intended resin, molding machine and robot details, cavity/output goals and required trial scope. Tell us whether the request covers the mold alone or labels and automation too.
Container & label · Resin · Machine & robot · Cavity goal · Trial and supply scope
Coordinate the IML Mold With the Complete Production Cell
An in-mold labeling mold has to work with more than the molded part. The label position, cavity layout, robot access, injection molding conditions, product takeout, and intended packaging application should be considered together before a project is defined.
Part and label fit
Start with the product geometry and label requirements so the mold and labeling process are considered as one production task.
Cell integration
Review how the mold will interface with the injection molding machine, the IML robot, and the required access for label placement and product takeout.
Application context
Clarify the intended container, cup, lid, bucket, or other suitable packaging application and the production requirements that affect the tooling plan.
Explore the Connected IML Workflow
For a complete project view, see the IML automation system, in mold labeling robot, in-mold labeling plastic labels, and custom plastic packaging pages.