Micro linear guides meet the requirements of today's machinery for high precision, high speed, miniaturization and shortened product development cycle, and are widely used in miniaturized equipment, semiconductor equipment, medical equipment, IC manufacturing equipment, precision measuring and testing instruments, high-speed belt drive equipment, high-speed transfer equipment, etc. So, what are the technical characteristics of high-quality micro linear guides?
1. High positioning accuracy: Micro guide rails can achieve accurate positioning at the millimeter or even sub-millimeter level, and their accuracy level is usually high, such as N, H, and P.
2. Good straightness and parallelism: The straightness for micro guide rails should not be greater than 0.02/1000, and the parallelism should not be greater than 0.03/1000, to ensure the linearity and stability of the movement.
3. Lightweight design: Some structures are made of resin materials and processed by insert molding technology, which achieves lightness and low inertia.
4. Reasonable structural design: The micro guide adopts a two-row ball circulation design. The ball track design adopts a Gothic structure with a contact angle of 45 degrees, which improves the bearing capacity and guide rigidity.
5. Simple lubrication structure: There are sealed lubricating oil injection holes at both ends of the slider, which can bring the lubricating oil out of the surface through the steel ball circulation to achieve lubrication effect, thereby reducing noise.
6. Special design: The ball return hole and recirculation are composed of a fully dense plastic frame and plastic end caps, with a simple structure, more stable ball circulation and low noise.
7. Standardized design: The installation dimensions of the micro guide rail, the matching dimensions of the slider and the rail are all standardized and have good interchangeability.
8. Strong bearing capacity: In a limited space system, a larger steel ball is used to improve the bearing capacity and can withstand larger loads and torques.
9.Good wear resistance: The wear resistance of high-quality micro guide rails meets the requirements, the surface hardness is high, and the performance parameters are stable during long-term use.
To sum up, in the cutting-edge manufacturing field where miniaturization and high precision go hand in hand, the micro guide rail achieves super load-bearing capacity with millimeter-level positioning and Gothic 45° ball structure. The standardized modular design allows lightweight and high rigidity to coexist. Combined with the sealed self-circulating lubrication system, it becomes the silent power skeleton of precision machinery such as semiconductor equipment and medical instruments, and interprets the reliable genes of high-end equipment with hard-core parameters.
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