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VEROQEN™ | Mould Cost Calculator

Developed by Hongyi JIG Rapid Technologies

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Mould Cost Calculator

A complete flow: enter your Shot Size to get Mould Size + Steel Weight, then get the right Tool Steel for the Core/Cavity and Base/Housing, and finally the total Manufacturing Cost. This tool is in controlled beta | treat results as an indicative, decision-support estimate.
Two injection mould assemblies with open cavity and core halves and gold inserts
View:
Quick Estimate Detailed Costing
Currency:
1Shot Size
2Tool Steel
3Manufacturing Cost
•

Project Details

Name this job so it's easy to identify later | on screen, in your saved reports, and if you come back to it. Both are required and print on the PDF report.
1

Shot Size → Mould Size & Steel Weight

Enter your shot size to get the mould size and steel weight instantly.
Shot Size

I know my shot size (X1/Y1/Z) directly

Part Size

Not sure | arrange cavities to compute it

No Undercuts

Straight-pull part, no slides/lifters

Has Slides/Lifters

Part has undercuts needing side-action

Mould Block Size (X × Y × Z) | shown to the customer
|
Total Steel Weight |
⚠ Suggested Clamp Tonnage (optional check) | estimates the clamp force needed from the Shot Size (X1 × Y1) above, your part weight and material's cavity pressure. This is a costing-level estimate, not a mould-flow simulation | does not replace shot-capacity, plasticizing or fill-time checks.
Optional.
Optional.
Pick the Brand and Tonnage/Model in the quick panel to the left of the canvas above | it auto-fills the machine fields and drives the canvas (Tie-Bar Span/Diameter). Fine-tuning and the full fit/capacity breakdown are in the popup below.
ⓘSpacing and side margin are auto-calculated from your part size and Hongyi's documented standards; layouts come from proven PDF reference patterns. All three stay directly editable. How cavity spacing, standard layouts and side margin are calculated View full details →

Mould Cost Calculator | Reference

What this calculates, and who it's for

This tool converts a shot size (or a part-size cavity layout) into an indicative mould block size, tool steel selection, and manufacturing cost | for toolmakers preparing a first-pass estimate, OEM engineering/procurement teams sanity-checking a supplier quotation, and mould suppliers presenting assumptions transparently to a buyer.

Required inputs

How the calculation works

Mould block size is derived from your Shot Size plus a side margin, looked up from Hongyi's own Mould Quality Standard reference table. Steel weight is computed from block dimensions × material density, split between Core/Cavity and Base/Housing by plate thickness. Tool steel grade is recommended from your tool-life tier, part material's tensile/hardness, and required finish. Manufacturing Cost is either a Quick Estimate (Steel + hardware × an Industry/Complexity factor) or a full Detailed Costing line-item build-up matching Hongyi's own commercial mould-quote format.

Full Methodology & Limitations →

What's included / not included

Worked example

InputValue
Shot Size (X × Y × Z)180 × 120 × 50 mm
Mould Block Size (result)340 × 280 × 655 mm
Total Steel Weight (result)489.5 kg

This is the tool's own default/baseline scenario | shown here as a worked illustration.

FAQ

Why was my Suggested Clamp Tonnage much too high?

Before a September 2026 fix, tonnage was calculated from the full mould-block area rather than the actual part area. This is now fixed | it uses the real shot/cavity footprint.

Why can't I choose a Mould Base/Housing Steel grade?

By default it's auto-recommended (economical Local S45C for most tool-life tiers). Use "Pick Base/Housing steel manually" in Section 4 to override it independently.

Why was the shot-weight estimate wrong?

Without a wall thickness or exact weight entered, it previously treated the full bounding box as solid. There's now a Wall Thickness field for a proper shell-based estimate, and an exact weight entry is always used first when given.

Can I auto-fill dimensions from my CAD file?

Yes | in Part Size mode (Multi-Cavity or Family Mold), use "Import STEP File" to upload a .step/.stp file and auto-fill Part L/W/H from its real CAD bounding box. This happens entirely in your browser | the file is never uploaded anywhere.

Related calculators

Part Cost & SKU Calculator → ROI & Investment Calculator →
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VEROQEN™ · veroqen.com · Developed by Hongyi JIG Rapid Technologies