Beginner’s Guide to Positioning Tables | Precision Stages for CNC, Robotics, and Automation

Discover how positioning tables (precision stages) enhance accuracy in CNC machining, robotics, and factory automation. Learn about types, structure, installation precautions, and why IKO THOMPSON ASIA CO., LTD. offers reliable high-precision solutions.
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Table of Contents
1. What Is a Positioning Table?
2. Basic Structure and Operating Principle
3. Types of Positioning Tables and Selection Criteria
4. Installation and Usage Precautions
5. Why Choose IKO THOMPSON ASIA CO., LTD.
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1. What Is a Positioning Table?
A positioning table, also known as a precision stage, is a device that enables accurate linear or rotary movement of tools and components.
They are widely used in:
- CNC machining centers
- Robotics automation
- Optical inspection systems
- Factory automation equipment
In these industries, micron-level precision is often required for efficiency, product quality, and reduced scrap.
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2. Basic Structure and Operating Principle
A positioning table integrates key components of a linear motion system:
- Linear Guide: Ensures smooth, precise travel without vibration
- Ball Screw / Lead Screw: Converts motor rotation into linear displacement
- Servo or Stepper Motor: Controls speed and positioning accuracy
- Rigid Base Structure: Reduces external vibration and improves durability
Working Principle:
The motor drives the screw, moving the stage along a defined path with high accuracy and repeatability — essential in CNC machines and automation lines.
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3. Types of Positioning Tables and Selection Criteria
When selecting a positioning table, consider:
- Accuracy Requirements: micron or sub-micron level
- Load Capacity: determines guide rail and ball screw size
- Stroke (Travel Distance): must fit application needs
- Speed & Responsiveness: high-speed robotics require fast positioning
- Control System Compatibility: seamless integration with CNC or automation controllers
Common Types:
- Ball Screw Drive Table: reliable, high load capacity
- Linear Motor Stage: faster motion, minimal backlash
- Cross Roller Stage: ultra-precise, ideal for inspection systems
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4. Installation and Usage Precautions
- Install on a flat, rigid surface
- Avoid dust, oil, moisture, or shock
- Carefully align before tightening bolts
- Inspect cables, encoders, and controllers before operation
- Apply proper lubrication and perform regular maintenance
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5. Why Choose IKO THOMPSON ASIA CO., LTD.
IKO THOMPSON ASIA CO., LTD. is a leader in linear motion systems and precision positioning tables.
Key Advantages:
- Micron-level accuracy & repeatability
- Durable structure for heavy-duty use
- Compatible with various servo and stepper motors
- Backed by expert technical support and manuals
👉 For more information, please download the PDF or contact our customer service team.
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Company Information

IKO THOMPSON ASIA CO., LTD.

Industry Classification

Electrical component for transportation equipment

Main 3 Products

Linear Motion Rolling Guides / Needle Roller Bearings / Mechatronics Series

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IKO THOMPSON ASIA was established in 2014 as a sales base for IKO NIPPON THOMPSON, focusing on expanding sales in the ASEAN and Indian markets. IKO is a brand of Nippon Thompson Co., Ltd., renowned ac ...

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