As we all know, the guide rail is required to constantly bear the pressure of various machines, different directions and different sizes. In general, the more uniform the pressure distribution on the ABBA guide rail surface is, the smaller the average pressure is, and the smaller and more uniform the wear is. Next, I'd like to talk about how to reduce the rail pressure.

在導軌表面施加壓力根據導軌的支承面積和承載情況，ABBA導軌工作面上的壓力不應超過允許值。為用這個。許多精密導軌常采用卸料導軌，即在導軌負載的相反方向對運動部件施加機械力或液壓力(卸載力)，將部分載荷抵消在導軌上，從而保持ABBA導軌表面的直接接觸，減少導軌的工作表面壓力。一般來說，卸載力大約是作用在運動部件上的總重力的2/3。

Apply pressure on the guide rail surface According to the bearing area and load condition of the guide rail, the pressure on the ABBA guide rail working surface should not exceed the allowable value. To use this. Many precision guide rails often use unloading guide rails, that is, mechanical force or hydraulic pressure (unloading force) is applied to moving parts in the opposite direction of the guide rail load to offset part of the load on the guide rail, so as to maintain the direct contact of ABBA guide rail surface and reduce the pressure on the working surface of the guide rail. Generally speaking, the unloading force is about 2/3 of the total gravity acting on the moving parts.

(1)靜壓卸荷導軌在動件導軌表面設有油腔，壓力為p。動件液壓油增加的浮力小于運動部件上的載荷，以減小導軌表面的壓力。油腔內的液壓油通過導軌表面宏觀和微觀不均勻，由導軌間隙形成，回槽。

(1) The hydrostatic unloading guide rail is provided with an oil chamber on the surface of the moving part guide rail, and the pressure is p. The buoyancy increased by the hydraulic oil of moving parts is less than the load on the moving parts to reduce the pressure on the guide rail surface. The hydraulic oil in the oil chamber is uneven in the macro and micro aspects of the guide rail surface, formed by the guide rail gap, and returns to the groove.

(2)機械卸荷導軌選用剛度合適的彈簧，調整彈簧力，減少導軌表面的直接接觸壓力。

(2) The mechanical unloading guide rail adopts a spring with appropriate stiffness, and the spring force is adjusted to reduce the direct contact pressure on the guide rail surface.

注意保證軌良好的潤滑和保護:

Pay attention to ensure good lubrication and protection of rails:

潤滑油能在導軌表面之間形成非常薄的油膜，防止或減少導軌表面的直接接觸，減少摩擦并磨損，從而延長導軌的使用壽命。ABBA導軌保護裝置用于防止芯片、灰塵等灰塵落在導軌表面，避免導軌磨損、生銹等。

The lubricating oil can form a very thin oil film between the guide rail surfaces, prevent or reduce the direct contact between the guide rail surfaces, reduce friction and wear, and thus extend the service life of the guide rail. ABBA guide rail protection device is used to prevent chips, dust and other dust from falling on the surface of the guide rail to avoid wear, rust, etc.

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