Platform/Platen: Load Capacity 50-500 kg

Component Specifications

Definition

The Platform/Platen is a critical structural component of rotary indexing stages used in automated assembly and machining systems. It serves as the primary mounting surface where workpieces, fixtures, or tooling are secured during indexing operations. This component ensures precise positioning, maintains rigidity under load, and provides a reference plane for machining or assembly operations. Typically manufactured with high geometric accuracy, it features mounting holes, alignment features, and sometimes integrated cooling or clamping systems.

Working Principle

The Platform/Platen operates as the stationary or rotating mounting surface in a rotary indexing stage. During operation, it provides a stable reference plane where workpieces are positioned. When the stage indexes, the platform either rotates with the mechanism (in rotating designs) or remains stationary while other components move. Its flatness and rigidity ensure that workpieces maintain precise positioning relative to machining tools or assembly stations throughout the indexing cycle.

Materials

High-grade aluminum alloys (e.g., 6061-T6, 7075-T6) for lightweight applications; hardened steel (e.g., AISI 4140, 4340) for heavy-duty applications; sometimes stainless steel (e.g., 304, 316) for corrosive environments; surface treatments include anodizing (aluminum), hardening, or plating for wear resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Flatness	0.01-0.05 mm/m
Load Capacity	50-500 kg
Surface Finish	Ra 0.8-3.2 μm
Dimensional Tolerance	±0.02 mm
Mounting Hole Pattern	Grid or custom
Temperature Stability	±0.01 mm/°C

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

Standards

ISO 10791-1, DIN 8606, ISO 230-1

Parent Products

This component is used in the following industrial products

Rotary Indexing Stage

A precision mechanical component that provides controlled rotational positioning and indexing for containers within an automated system.

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Engineering Analysis

Risks & Mitigation

Surface wear affecting flatness
Thermal deformation
Corrosion in harsh environments
Fatigue failure under cyclic loading
Mounting hole wear leading to positioning errors

FMEA Triads

Trigger: Improper material selection for application loads
Failure: Permanent deformation or cracking under operational stress
Mitigation: Conduct thorough load analysis and select materials with appropriate yield strength and fatigue resistance

Trigger: Inadequate surface protection in corrosive environments
Failure: Corrosion pitting leading to loss of flatness and mounting accuracy
Mitigation: Apply appropriate coatings (anodizing, plating) or use corrosion-resistant materials like stainless steel

Trigger: Thermal expansion mismatch with supporting structure
Failure: Warping or distortion during temperature changes
Mitigation: Design with compatible thermal expansion coefficients and incorporate thermal management features

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101, flatness tolerance typically 0.01-0.05 mm depending on application

Test Method

Surface plate testing with dial indicators, laser interferometry for high-precision applications, coordinate measuring machine (CMM) verification

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.

Manufacturers of Platform/Platen

Manufacturer profiles associated with Platform/Platen.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between a platform and platen in this context?

In rotary indexing stages, 'platform' typically refers to the complete mounting structure including support features, while 'platen' specifically denotes the flat working surface. However, the terms are often used interchangeably in industrial applications.

How do I select the right material for a platform/platen?

Material selection depends on application requirements: aluminum alloys for lightweight, high-speed applications; steel for heavy loads and durability; stainless steel for corrosive environments. Consider factors like weight, stiffness, thermal stability, and corrosion resistance.

What maintenance does a platform/platen require?

Regular cleaning to remove debris, inspection for surface damage or wear, verification of flatness using precision instruments, and lubrication of mounting interfaces if applicable. Proper maintenance ensures long-term accuracy and prevents workpiece positioning errors.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Platform/Platen