Structured Manufacturing Data (2026)

Main Table

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Main Table used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Main Table is characterized by the integration of Table Surface and Mounting Holes. In industrial production environments, manufacturers listed on CNFX commonly emphasize Cast Iron construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The primary rotating platform in a rotary table assembly that holds and positions workpieces during machining operations.

Product Specifications

Technical details and manufacturing context for Main Table

Definition
The Main Table is the central rotating component of a Rotary Table Assembly, serving as the primary workholding surface that securely positions and rotates workpieces for multi-axis machining, indexing, and precision positioning operations in industrial manufacturing equipment.
Working Principle
The Main Table rotates around its central axis, driven by a precision gear mechanism or direct drive system, allowing controlled angular positioning of workpieces for machining operations on multiple sides without repositioning.
Common Materials
Cast Iron, Steel Alloy
Technical Parameters
  • Diameter of the rotating table surface (mm) Standard Spec
Components / BOM
  • Table Surface Part
    Provides flat, precision-machined surface for workpiece mounting and clamping
    Material: Cast Iron
  • Mounting Holes Part
    Tapped holes or T-slots for securing workpieces and fixtures to the table
    Material: Steel
  • Rotation Bearing
    Supports the table and enables smooth, precise rotation with minimal friction
    Material: Bearing Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Main Table.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: Max rotational speed: 30 RPM, Load capacity: 5000 kg, Positioning accuracy: ±0.001°
temperature: -20°C to 120°C
Media Compatibility
✓ Steel alloys ✓ Aluminum alloys ✓ Composite materials
Unsuitable: High-concentration abrasive slurries
Sizing Data Required
  • Workpiece weight and dimensions
  • Required rotational speed and torque
  • Positioning accuracy and repeatability requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: High-velocity particulate flow causing material degradation
Cavitation
Cause: Pressure drops below vapor pressure leading to bubble formation and implosion damage
Maintenance Indicators
  • Unusual vibration or audible knocking during operation
  • Visible material loss or pitting on internal surfaces
Engineering Tips
  • Implement real-time particle monitoring and filtration to reduce abrasive wear
  • Maintain operating parameters within design limits to prevent cavitation conditions

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ASTM A36/A36M Standard Specification for Carbon Structural Steel CE Marking for Machinery Safety Directive 2006/42/EC
Manufacturing Precision
  • Bore Diameter: +/-0.02mm
  • Surface Flatness: 0.1mm per 100mm
Quality Inspection
  • Dye Penetrant Test for Surface Defects
  • Spectrographic Analysis for Material Composition

Factories Producing Main Table

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used for the Main Table in rotary table assemblies?

The Main Table is typically constructed from durable materials like Cast Iron or Steel Alloy to ensure stability, vibration dampening, and longevity under heavy machining loads.

How does the Main Table contribute to machining precision?

As the primary rotating platform, the Main Table provides a flat, rigid surface to securely hold workpieces. Its precise rotation, facilitated by the integrated bearing, allows for accurate angular positioning during operations like milling or drilling.

What are the key components (BOM) of a Main Table assembly?

The core Bill of Materials includes the Table Surface (the main platform), Mounting Holes (for securing workpieces or fixtures), and the Rotation Bearing (which enables smooth and controlled table movement).

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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