Mold Design & Tooling for Silicone Parts
Tool concepts developed around material flow, flash control, demolding, inspection and production volume.
Request a Drawing ReviewExplore ProductsHow the Process Supports Your Part
Reliable silicone production starts before steel is cut. Tool design must account for material shrinkage, parting strategy, venting, gating, cavity balance, insert location, surface finish, demolding and the intended molding process. Our review connects part design with measurable manufacturing outcomes.
Final feasibility, tolerance, tooling and test recommendations are confirmed after reviewing the actual drawing, material and service environment.
LSAN Silicone project evidence
LSAN Silicone supports custom silicone component development from Nanjing, China, drawing on more than 30 years of silicone manufacturing experience and a 5,000 m² production facility.
Company information last reviewed August 2026. Process claims and material declarations are supplied only when supported by the project documents.
Where This Capability Adds Value
New custom silicone component programs
Reviewed around geometry, material behavior, service conditions and measurable acceptance criteria.
Multi-cavity production tooling
Reviewed around geometry, material behavior, service conditions and measurable acceptance criteria.
Compression, transfer and LSR molds
Reviewed around geometry, material behavior, service conditions and measurable acceptance criteria.
Insert-molding fixtures and loading aids
Reviewed around geometry, material behavior, service conditions and measurable acceptance criteria.
Prototype and bridge tooling
Reviewed around geometry, material behavior, service conditions and measurable acceptance criteria.
Tool modification and controlled revisions
Reviewed around geometry, material behavior, service conditions and measurable acceptance criteria.
Information Our Engineers Need
Clear inputs reduce assumptions, shorten DFM review and produce a more meaningful quotation.
| CAD data | Current STEP/STP model and controlled 2D drawing |
|---|---|
| Critical dimensions | Datum scheme, tolerances and inspection method |
| Material | Silicone family, hardness and shrink behavior |
| Surface | Texture, polish, cosmetic and sealing zones |
| Process | Compression, transfer, LSR or overmolding route |
| Business case | Prototype timing, annual volume and expected tool life |
DFM Points Reviewed Before Tooling
- Select parting lines around function, appearance and serviceability.
- Design vents and overflow locations to manage trapped air and flash.
- Balance cavity layout and runner systems for repeatable fill.
- Include replaceable inserts for high-wear or revision-prone details.
- Plan demolding, automation and inspection before final tool release.
Controls Defined Around Part Risk
- Controlled tool drawings and revision history
- Steel and purchased-component verification
- Cavity and shutoff inspection
- First-article dimensional comparison
- Maintenance plan and documented engineering changes
Any dimensional capability, inspection frequency or certification statement must be agreed for the actual part and material.
From Drawing Review to Repeatable Production
Design-input and risk review
Document decisions and release the next stage only after review.
Part DFM and process selection
Document decisions and release the next stage only after review.
Tool concept and cavity strategy
Document decisions and release the next stage only after review.
Design approval and steel release
Document decisions and release the next stage only after review.
Tool manufacture and bench verification
Document decisions and release the next stage only after review.
Sampling, correction and controlled acceptance
Document decisions and release the next stage only after review.
Industries and Application Scenarios
Medical-device component tooling
Material and process recommendations remain project-specific.
Aerospace seals and protective components
Material and process recommendations remain project-specific.
Defense electronics and connector parts
Material and process recommendations remain project-specific.
Robotics boots, grippers and covers
Material and process recommendations remain project-specific.
Automotive and EV silicone parts
Material and process recommendations remain project-specific.
Industrial sealing and fluid-control programs
Material and process recommendations remain project-specific.
Industry references describe typical application contexts and do not imply approval for a regulated end use.
Common Questions
Do you review drawings before quoting tooling?
Yes. Early DFM reduces avoidable revisions and clarifies risk before tool release.
Can tooling support future design changes?
Replaceable inserts can sometimes isolate high-risk or revision-prone features.
What controls silicone flash?
Tool fit, shutoff design, process choice, material behavior and molding conditions all matter.
How many cavities should a mold have?
Cavity count depends on part size, cycle, volume, automation, inspection and business requirements.
What is included in tool acceptance?
The project can define first articles, dimensions, appearance, functional tests and approved corrections.
Build the Right Manufacturing Route
Send Your Drawing for Engineering Review
Tell us what the component must do, where it operates and how many parts you need. Our team will review the manufacturing route and assumptions that need confirmation.
Recommended attachment: STEP/STP or PDF drawing with material, hardness, tolerances, service environment and annual quantity.