Characteristics of LM/LMW series micro linear guide pair

Time:2026-07-31   

Different series of linear guide pairs have different structural characteristics and can be applied to different devices.

Let's introduce the structural characteristics of the LM/LMW series of miniature linear guide pairs:

1. Adopting a sophisticated design with one row of rolling tracks on each side, it is small in size and lightweight, and is mostly used in miniaturized equipment.

2. The spatial design of the groove is a Gothic structure, with a contact angle of 45 degrees, so it has equal rigidity and load capacity in all four directions, up, down, left, and right.

3. The LMW series has high rigidity and large load capacity in terms of lateral torque due to its wide guide rail amplitude, making it suitable for single use.

4. The LM/LMW type guide rail pair is preloaded at 2% of the rated dynamic load C, and can provide three types of preloading: micro clearance, micro preloading, and light preloading.

Among them, LM7 and LM9 also have the following characteristics:

1. The structure of the slider adopts some resin materials, which reduces the weight by 25% compared to ordinary sliders and has less inertia.

2. The components between the sliders are tightly interlocked, resulting in a tighter structure and smoother circulation of the steel balls.

3. The steel wire is used to effectively prevent the steel ball from falling off, even if the slider is removed from the guide rail, the steel ball will not fall off.

4. The guide rail, slider, steel ball, and retaining wire are all made of stainless steel material to enhance corrosion resistance.


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