INDUSTRY COMPONENT

Table Surface

Precision-machined flat surface of a rotating worktable that provides stable workpiece support during machining operations.

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Component Specifications

Definition
The table surface is the critical load-bearing component of a rotating worktable, engineered to maintain dimensional stability, flatness, and parallelism under varying thermal, mechanical, and dynamic loads during CNC machining, indexing, and multi-axis operations. It serves as the interface between the workpiece/fixture and the rotary axis, ensuring precise angular positioning and repeatability.
Working Principle
The table surface rotates via a precision bearing system (typically worm gear, direct drive, or torque motor) controlled by CNC commands. It maintains rigidity to resist cutting forces while providing a reference plane for workpiece alignment. Thermal compensation systems may be integrated to counteract heat-induced deformation.
Materials
High-strength cast iron (GGG-40/50), hardened steel (42CrMo4), aluminum alloy (7075-T6) for lightweight applications, or granite/composite materials for ultra-stability. Surface treatments include nitriding, hard chrome plating, or ceramic coating for wear resistance.
Technical Parameters
  • Diameter 200-2000 mm
  • Flatness ≤0.005 mm/m
  • T-slot Size 12-22 mm
  • Load Capacity 100-5000 kg
  • Repeatability ±1 arcsec
  • Clamping Force 5-50 kN
  • Rotation Speed 0-50 rpm
  • Positioning Accuracy ±2 arcsec
Standards
ISO 10791-6, DIN 55026, ISO 230-1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Table Surface.

rotating worktable surface CNC rotary table precision machining component table flatness load capacity thermal stability ISO 10791 industrial workholding Table Surface Table Surface in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Rotating Worktable

A precision rotating platform that holds and positions workpieces during machining operations on a CNC vertical lathe.

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Discharge Table

A structural platform within charging/discharging systems that supports and facilitates the controlled discharge of materials or products from processing equipment.

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Main Table

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

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Engineering Analysis

Risks & Mitigation
  • Thermal deformation under continuous operation
  • Wear-induced loss of flatness
  • Overload causing structural fatigue
  • Corrosion in humid/coolant-rich environments
  • Misalignment from improper installation
FMEA Triads
Trigger: Inadequate thermal management
Failure: Loss of flatness due to uneven expansion
Mitigation: Integrate liquid cooling channels or use low-CTE materials; implement real-time thermal compensation in CNC
Trigger: Cyclic mechanical stress from clamping
Failure: Surface micro-cracking or T-slot deformation
Mitigation: Use fatigue-resistant materials; enforce torque-controlled clamping; regular non-destructive testing

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Flatness per ISO 10791-6: ≤0.01 mm for standard grade, ≤0.005 mm for precision grade; angular positioning per ISO 230-1
Test Method
Laser interferometry for flatness/parallelism; ball-bar testing for rotational accuracy; load deflection testing per DIN 55026

Buyer Feedback

★★★★☆ 4.6 / 5.0 (21 reviews)

"Testing the Table Surface now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Table Surface meets all ISO standards."

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Frequently Asked Questions

What factors affect the flatness accuracy of a table surface over time?

Wear from clamping/unclamping cycles, thermal expansion from machining heat, bearing degradation, and improper maintenance (e.g., contamination, inadequate lubrication) are primary factors. Regular calibration and thermal compensation systems mitigate these.

Can a table surface be retrofitted or upgraded on existing worktables?

Yes, if dimensional and mounting compatibility exists. Upgrades may include improved material grades, enhanced surface coatings, or integrated cooling channels. OEM consultation is recommended for tolerance matching.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Table Platform (Platen) Table Surface/Deck