MGN Series Linear Guide

MGN Series Miniature Linear Guide for Compact Precision Motion

The MGN Series is a miniature recirculating-ball profile rail system engineered for compact automation, precision positioning, and space-constrained linear motion mechanisms. Combining a narrow profile guide rail with a compact square bearing carriage, the MGN Series delivers smooth linear translation, low operating friction, and dependable running accuracy within a minimal installation envelope.

Engineering Highlights & Design Features

• Gothic-Arch 4-Point Contact Geometry: Incorporates a two-row recirculating ball design with Gothic-arch raceways, providing balanced four-direction load support (radial, reverse-radial, and lateral) within an ultra-compact footprint.
• Low-Friction, Low-Noise Kinematics: Precision-ground rolling elements and optimized internal circulation channels ensure smooth, consistent travel and quiet operation during high-speed, light-duty indexing.
• High-Grade Material Construction: Fabricated from hardened high-carbon chromium bearing steel (GCr15), offering high surface hardness, wear resistance, and long-term dimensional stability.

Available Sizes & Custom Manufacturing
Yongrun Precision supplies the MGN Series across a comprehensive micro-sizing range:

• Standard Block Sizes: MGN5C, MGN7C, MGN9C, MGN12C, and MGN15C.
• Rail Lengths: Standard continuous lengths from 100 mm to 1,500 mm, with custom cut-to-length options available.
• OEM/ODM Capabilities: Fully equipped for customized dimensions, specialized surface treatments, and print- or sample-based manufacturing to meet customer design requirements.

Primary Industrial Applications
Medical diagnostic equipment, semiconductor and electronics manufacturing, laboratory automation, optical alignment systems, coordinate measuring devices, miniature pick-and-place robotics, and compact 3D printing mechanisms.

Frequently Asked Questions (FAQ)

Q: What is an MGN Series linear guide?
A: The MGN Series is a miniature profiled linear guideway system featuring a compact square bearing carriage and recirculating steel balls, engineered to deliver smooth, low-friction linear translation in space-constrained machinery.

Q: Which MGN models are available?
A: Standard models include MGN5C, MGN7C, MGN9C, MGN12C, and MGN15C (accommodating 5 mm to 15 mm rail widths).

Q: What rail lengths can be supplied?
A: Standard single-piece rail lengths range from 100 mm to 1,500 mm. Custom cut-to-length options and tailored mounting hole pitches are available to match customer designs.

Q: What materials are used to manufacture MGN linear guides?
A: Standard rails and carriages are fabricated from hardened high-carbon chromium bearing steel (GCr15).

Q: Is the MGN Series suitable for medical and diagnostic equipment?
A: Yes. The miniature envelope, low operating noise, and smooth travel dynamics make the MGN Series well-suited for automated pipettes, blood analyzers, syringe dosing pumps, and diagnostic equipment.

Q: Is the MGN Series compatible with semiconductor manufacturing equipment?
A: Yes. The compact profile and low particulate generation make it suitable for wafer-handling mechanisms, circuit board assembly tools, and cleanroom automation equipment.

Q: What is the primary difference between MGN and MGW guides?
A: The MGN Series utilizes a narrow, compact carriage for tight envelope dimensions. The MGW Series features a broadened, flanged carriage and wider rail, providing substantially higher roll moment (MR) resistance for single-rail setups.

Q: How does the MGN Series compare to the EGH Series?
A: MGN is a miniature guide series designed for lightweight, micro-mechanisms (5–15 mm rail widths). EGH belongs to the low-profile industrial guide family (15–35 mm rail widths), offering significantly higher load capacity and structural rigidity for heavy-duty automation.

Q: Can guide rails and blocks be supplied as matched assemblies?
A: Yes. We configure complete, pre-assembled rail-and-block sets according to your designated rail length, carriage quantity, and specified preload level.

Q: Can you manufacture custom MGN components from technical drawings?
A: Yes. Yongrun provides full OEM and custom manufacturing based on 2D drawings (PDF/DWG), 3D CAD files (STEP/IGS), physical samples, or specific dimensional tolerances.

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