stone calibrating machine How to reduce the loss of stone mechanical guide
Time：2018-07-22 Hits：2641
How to reduce the loss of stone mechanical guide
(1) reduce pressure
Reducing pressure can reduce the friction per unit area. Increasing contact surface and reducing load can be adopted to reduce pressure. For example: improve the guide rail straightness and refinement of the surface roughness, can strengthen the actual contact area, the appropriate widening guideway and lengthening the length of the guide rail, also can increase the contact area, but it must be with the guide of supports and stiffness. Otherwise, large deformation after loading, uneven contact, increased local pressure, although the guide rail width is long but also ineffective. In addition, the lengthening and widening of the guide rail will also increase the difficulty in the process.
(2) reduce the friction coefficient
By replacing sliding friction pairs with rolling friction pairs, the friction coefficient is greatly reduced and wear can be greatly reduced. In sliding pairs, the proper choice of lubricating oil, so that the friction properties become mixing coefficient, can also reduce friction coefficient. In addition to pay attention to keep the oil clean, clean lubricating oil will not result in excessive abrasion, circulation lubrication can not only ensure enough oil but also can cooling and flushing effect. In order to make the lubricating oil evenly distributed on the guide rail surface and ensure sufficient lubrication effect, the oil groove must be made on the guide rail surface. Correct choice of viscosity of lubricating oil can effectively reduce friction coefficient. Guide rail lubricating oil viscosity according to the working conditions of guide rail and lubrication method choice, such as: low flower (p < 0.1 MPa) is high, medium speed of medium and small stone machine feeding guide rail, can use 20 # machine oil; Medium and low speed mechanical guide rails with medium load (> 0.2mpa) (which is the condition of most mechanical feed guide rails) can adopt no. 30 mechanical oil or no. 40 mechanical oil; Low speed guide rail for heavy machinery (pressure > 0.4mpa), available with # 40, # 50, or # 70 mechanical oil; Guide rails that are easy to be polluted by dirt should be lubricated with low viscosity to avoid the damage of guide rails due to the accumulation of dirt.
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