These preparations must be made before the installation of linear guide rail

1,機臺水平的校正。

1. Correction of machine level.

要求：用兩個等高量塊和一大理石量尺放在安裝基面上,放上水平儀調試底座水平，要求是底座中凸(2~3格)。

Requirements: put two equal height measuring blocks and a marble measuring ruler on the installation base surface, put a level gauge on the base and adjust the base level. It is required that the base is convex (2 ~ 3 grids).

2,直線導軌安裝基面粗糙度,平面度,直線度以及外觀的檢查。

2. Inspect the roughness, flatness, straightness and appearance of the installation base of linear guide rail.

要求：當水平調試好以后,需要用激光干涉儀測量出主直線導軌安裝基面(我們通常以靠近右側立柱的一條直線導軌面為主要導軌)的平面度允許每10m中凸0.05mm，全行程直線度允許中凸0.03mm。粗糙度要求1.6，外觀無鑄造缺陷。

Requirements: after the horizontal adjustment is completed, the flatness of the installation base surface of the main linear guide rail (we usually take a linear guide rail surface close to the right column as the main guide rail) needs to be measured with a laser interferometer, and the middle bulge is allowed to be 0.05mm every 10m, and the middle bulge is allowed to be 0.03mm in the whole stroke straightness. The roughness shall be 1.6, and the appearance shall be free of casting defects.

3,直線導軌安裝基面與導軌側基準安裝面的倒角處理。

3. Chamfer the installation base surface of linear guide rail and the reference installation surface on the guide rail side.

要求：倒角半徑小于或等于3.5mm，若發現倒角過大或凸出，應及時采用油石和銼刀處理，否則會造成導軌精度的安裝不良或者會干涉滑塊。

Requirements: the chamfer radius is less than or equal to 3.5mm. If the chamfer is too large or protruding, it shall be treated with oilstone and file in time, otherwise it will cause poor installation of guide rail accuracy or interfere with the sliding block.

4,直線導軌安裝基面鎖緊螺紋孔的加工。

4. Processing of locking threaded holes on the installation base surface of linear guide rail.

要求：確認安裝螺孔的位置是否正確，各相連螺孔的中距120mm大于0.1mm或小于0.1mm；為保證高精度的螺孔加工，要求選用數控設備定位加工。

Requirements: confirm whether the position of the installation screw hole is correct, and the median distance of each connected screw hole is 120mm, which is greater than 0.1mm or less than 0.1mm; In order to ensure high-precision screw hole processing, it is required to select NC equipment for positioning processing.

5,開箱后直線導軌的檢查。

5. Inspection of linear guide rail after unpacking.

要求：檢查直線導軌是否有合格證，有否碰傷或銹蝕，將防銹油清洗干凈，清理干凈裝配表面的毛刺、撞擊突起物及污物等。

Requirements: check whether the linear guide rail has a certificate of conformity, whether it is bruised or rusted, clean the antirust oil, and clean the burr, impact protrusion and dirt on the assembly surface.

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