The SMC MDSUB20-90S is a high-performance compact air slide table engineered for precision positioning and smooth linear motion in space-constrained automation environments. Manufactured by SMC Corporation, a globally recognized leader in pneumatic technology, this model is designed to deliver stable movement, excellent repeatability, and long service life in demanding industrial applications.
Built with an integrated linear guide and cylinder structure, the MDSUB20-90S ensures accurate load support and minimal deflection, making it ideal for assembly lines, semiconductor equipment, electronic component handling, and automated packaging systems. Its compact footprint and rigid design allow machine designers to achieve high positioning accuracy without increasing equipment size.
Product Overview
The SMC MDSUB20-90S belongs to the MDSUB series of compact slide tables, featuring a bore size of 20 mm and a 90 mm stroke length. The model is optimized for applications requiring consistent positioning, reliable clamping, and controlled linear movement.
This air slide table integrates a pneumatic cylinder with precision linear guides to ensure smooth travel and improved load-carrying capacity. The result is a highly stable motion platform capable of handling both horizontal and vertical mounting configurations.
Key Technical Specifications
| Item | Specification |
|---|---|
| Product Model | SMC MDSUB20-90S |
| Manufacturer | SMC Corporation |
| Product Type | Compact Air Slide Table |
| Bore Size | 20 mm |
| Stroke Length | 90 mm |
| Operating Fluid | Clean Air |
| Operating Pressure Range | 0.15 – 0.7 MPa |
| Proof Pressure | 1.05 MPa |
| Ambient and Fluid Temperature | 5 – 60°C |
| Cushion Type | Rubber Bumper |
| Mounting Type | Body Mount / Through-Hole Mount |
| Guide Type | Integrated Linear Guide |
| Port Size | M5 |
| Net Weight | 1.05 kg |
| Lubrication | Non-lube (Grease applied during assembly) |
| Applicable Mounting Orientation | Horizontal / Vertical |
Structural Design and Engineering Advantages
Integrated Cylinder and Guide System
The MDSUB20-90S combines a pneumatic cylinder and linear guide into one rigid body. This design eliminates the need for additional external guide components, reducing assembly complexity and improving alignment accuracy.
High Rigidity and Load Capacity
The built-in linear guide provides superior moment load resistance compared to standard rod-type cylinders. It effectively handles:
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Radial loads
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Axial loads
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Moment loads in multiple directions
This makes it suitable for pick-and-place applications where offset loads are common.
Smooth and Stable Motion
Precision machining and optimized internal components ensure minimal friction and consistent sliding performance. The rubber bumper cushioning mechanism reduces impact at stroke ends, protecting internal parts and extending service life.
Compact Footprint
With its compact structure, the MDSUB20-90S is ideal for automation systems where installation space is limited. The slim body design allows for close equipment integration without compromising performance.
Performance Benefits
| Feature | Benefit to Users |
|---|---|
| Compact Design | Saves installation space in automated equipment |
| Integrated Linear Guide | Provides accurate positioning and improved stability |
| 20 mm Bore Size | Delivers balanced force output for medium-duty tasks |
| 90 mm Stroke | Enables extended travel for positioning flexibility |
| Lightweight Construction | Reduces machine load and inertia |
| Durable Aluminum Body | Ensures corrosion resistance and long-term reliability |
| Flexible Mounting Options | Simplifies mechanical integration |
| Stable Repeatability | Enhances automation precision |
Application Areas
The SMC MDSUB20-90S is widely used in industries requiring precise linear positioning and repeatable motion control. Typical applications include:
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Semiconductor manufacturing equipment
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Electronic component assembly
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Automated inspection systems
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Precision packaging machinery
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Laboratory automation platforms
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Small part transfer and alignment systems
In semiconductor and electronics production, precise positioning is critical. The high repeatability and stable guide structure of this slide table make it well suited for delicate component handling tasks.
Installation and Maintenance
The MDSUB20-90S supports multiple mounting methods, including direct body mounting and through-hole installation. This flexibility enables system designers to integrate the component into various machine layouts.
Maintenance requirements are minimal due to:
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Factory-applied internal grease
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Non-lube design
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Sealed guide structure
Routine inspection of air quality and pressure levels is recommended to maintain optimal performance. Clean, dry compressed air ensures long operational life.
Why Choose the SMC MDSUB20-90S?
Choosing the MDSUB20-90S means investing in reliable performance backed by the engineering expertise of SMC Corporation. The product offers:
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High positioning accuracy
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Compact and lightweight structure
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Reliable long-term operation
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Excellent load resistance
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Easy system integration
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Consistent pneumatic performance
Compared to traditional rod cylinders with external guides, this compact slide table reduces assembly time, lowers alignment errors, and improves machine efficiency.
Conclusion
The SMC MDSUB20-90S compact air slide table is a robust and precision-engineered solution designed to meet the evolving demands of modern automation systems. With a 20 mm bore size, 90 mm stroke, and a product weight of approximately 0.85–1.05 kg, it delivers an optimal balance between strength, compactness, and positioning accuracy.
Its integrated linear guide structure enhances rigidity and ensures smooth motion under various load conditions. Whether used in semiconductor production, precision assembly, or automated packaging systems, this model provides dependable and repeatable performance.
For engineers and system integrators seeking a space-saving yet powerful pneumatic slide solution, the SMC MDSUB20-90S stands out as a reliable and efficient choice in industrial automation applications.
