Miniture Linear guide Blocks MGN7C MGN7H
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Product Introdution
MGN7C and MGN7H are two sub models of the MG series of miniature linear guides. They are designed specifically for small automated equipment with limited space, requirements for lightweight and precise motion.
The suffixes "C" and "H" mainly represent the difference in slider length:
MGN7C: usually represents standard size.
MGN7H: usually represents elongated size
| Parameter Name | MGN7C | MGN7H | Explanation and Implication |
|---|---|---|---|
| Module Height H (mm) | 8 | 13 | The H value directly affects the installation space height for the rail. |
| Slider Length L (mm) | 22.5 | 30.8 | The H model has a longer slider, offering greater load capacity and moment capacity. |
| Rail Width Wr (mm) | 7 | 7 | The rail width is the same; some mounting dimensions are compatible. |
| Rail Fixing Bolt Size | M2x6 | M2x6 | The installation screw specifications are identical. |
| Basic Dynamic Load Rating C (kN) | 0.98 | 1.37 | The H model has a longer rated life, or offers better life under the same load. |
| Basic Static Load Rating Co (kN) | 1.24 | 1.98 | The H model can withstand higher static loads, providing better impact resistance. |
| Allowable Static Moment Mr (N·m) | 4.70 | 7.64 | The H model has significantly higher resistance to overturning moments, suitable for cantilever load conditions. |
| Slider Weight (kg) | 0.010 | 0.015 | The H model is slightly heavier becase of its larger slider size. |
| Rail Weight (kg/m) | 0.22 | 0.22 | Rails of the same length have identical weight. Note: This typically applies to the same model series; verify with manufacturer specs as H difference might imply different rail cross-sections. |
Accuracy requirements:
For ordinary consumer grade devices that do not require extreme motion stability, C-level accuracy may already meet the requirements.
For precision measurement, semiconductor equipment, optical scanning, and other applications that require extremely high motion straightness and smoothness, H-level accuracy is a better choice as it can effectively reduce system accuracy loss caused by guide rail errors.
Other options in the same series: The MG series also includes larger models such as MGN9, MGN12, MGN15, etc. If your load exceeds the capacity of MGN7H, you should consider upgrading the size.
Wide width option: The MGW series (such as MGW7H) adopts a widened slide rail design, which can greatly improve the ability to resist moment loads, especially suitable for supporting situations with small spans and easy to generate large overturning moments
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