Mold Platform for Vacuum Forming Machines

Product Specifications

Technical details and manufacturing context for Mold Platform

Definition

In an Industrial Vacuum Forming Machine, the Mold Platform is the critical component that provides a stable, level surface for mounting the mold. It ensures precise alignment and secure positioning of the mold during the heating, forming, and cooling cycles, directly impacting the dimensional accuracy and quality of the final plastic product. The platform is typically integrated into the machine's lower platen. It remains stationary or may have limited adjustment capabilities (e.g., height, leveling) to accommodate different mold heights and ensure proper seal with the clamping frame or upper platen during the vacuum cycle. The platform is manufactured from either carbon steel or aluminum alloy, with material grades such as S45C–S50C (per GB/T 699) for higher hardness when needed. Key parameters include platform size (1200–2400 mm), maximum mold weight (500–2000 kg), operating pressure (1.0–1.6 MPa), maximum operating temperature (80–120 °C), flatness tolerance (±0.05 mm, per ISO 1101), surface roughness (Ra 0.8–1.6 μm, per ISO 4287), weight (800–1500 kg), number of vacuum ports (4–8), and vacuum port thread (G1/4–G1/2, per ISO 228-1). These values are reference ranges that must be confirmed for the specific model and application. The platform's flatness and surface finish are critical for uniform vacuum distribution and mold release. The number and thread of vacuum ports must match the vacuum system fittings. Exceeding the maximum operating temperature may cause seal failure. Exceeding the maximum mold weight may cause deflection. Always verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The Mold Platform is mounted on the lower platen of the vacuum forming machine. It provides a flat, rigid surface for the mold. During the forming cycle, the mold is placed on the platform, and the clamping frame or upper platen presses down to seal the plastic sheet. Vacuum is applied through ports in the platform, drawing air out from between the sheet and the mold, causing the sheet to conform to the mold shape. The platform may have adjustment features for height and leveling to accommodate different mold heights and ensure a proper seal. The flatness tolerance and surface finish are critical for uniform vacuum distribution and to prevent vacuum leaks. The platform remains stationary during the process, but its alignment and stability directly affect the quality of the formed part.

Common Materials

Carbon Steel, Aluminum Alloy

Technical Parameters

Parameter	Typical range	Notes & selection driver
Platform Size	1200–2400 mm	Determines maximum mold dimensions
Max Mold Weight	500–2000 kg	Exceeding may cause deflection
Max Operating Temperature	80–120 °C	Above this, seals may fail
Flatness Tolerance	±0.05 mm	Critical for uniform vacuum distributionISO 1101
Surface Roughness	Ra 0.8–1.6 μm	Affects mold release and wearISO 4287
Material Grade	S45C–S50C	Higher carbon for increased hardnessGB/T 699
Weight	800–1500 kg	Affects handling and machine load
Vacuum Ports	4–8 pcs	More ports improve vacuum uniformity
Vacuum Port Thread	G1/4–G1/2 inch	Must match vacuum system fittingsISO 228-1

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Mounting Surface Part
The machined top surface where the mold is directly attached, often featuring a grid of threaded holes (T-slots or bolt patterns) for secure fastening.

Material: Steel or Aluminum Alloy
Support Structure/Frame Part
The underlying framework (e.g., ribs, beams, or a solid block) that provides rigidity, prevents deflection under load, and transfers forces to the machine base.

Material: Carbon Steel
Leveling Adjusters Optional Part
Optional mechanical feet or screws (often at the corners) that allow fine adjustment of the platform's height and level to ensure parallelism with the machine's upper platen.

Material: Steel
Vacuum Ports
The holes through the platform that the vacuum is actually pulled through.

Manufacturers of Mold Platform

Manufacturer profiles associated with Mold Platform.

Sourcing Mold Platform from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the function of the Mold Platform in a vacuum forming machine?

The Mold Platform provides a stable, level surface for mounting the mold. It ensures precise alignment and secure positioning during heating, forming, and cooling, directly affecting the dimensional accuracy and quality of the final plastic product.

What materials are commonly used for the Mold Platform?

Common materials include carbon steel and aluminum alloy. Material grades such as S45C–S50C (per GB/T 699) may be specified for higher hardness. The choice depends on the application requirements.

What are the key parameters to consider when selecting a Mold Platform?

Key parameters include platform size, maximum mold weight, operating pressure, maximum operating temperature, flatness tolerance, surface roughness, weight, number of vacuum ports, and vacuum port thread. These values are reference ranges and must be confirmed for the specific model.

How does the Mold Platform affect vacuum distribution?

The flatness tolerance and surface finish of the platform are critical for uniform vacuum distribution. A flat surface ensures even sealing, and the number and arrangement of vacuum ports influence how evenly the vacuum is applied across the mold.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Mold Platform

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Atmospheric to -0.9 bar vacuum (typical forming vacuum)
other spec:	Max mold weight capacity: 500-2000 kg (varies by model), Platform flatness tolerance: ±0.1 mm/m
temperature:	Ambient to 150°C (typical vacuum forming range)

Mold Platform

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards