Instructions for the Use of Crossed Roller Guideway

The structure of crossing roller guideway's matched mounting surface is showing as the below:

 The precision for matched mounting surface influences the precision and function of movement directly;so it is better to improve the mounting surface's precision by getting higher precision.

 A side:Its precision directly influence the movement precision; B&Csides:Parallelism directly influence preloading;

 Verticality: Verticality opposite to A side influences the rigidity that installed on preloading direction.

Therefore,we suggest to improve the precision on mounting surface;and the precision value must border on parallelism value.

Showing as the right drawing,the preloading is usually adjusted by preloading adjusted screws,whose size and specification are the same as the installing screws.The screw center is the half of the guideway's height.

The preloading value varies from machine tools to machine tools and equipments to equipments.Over preloading will decrease the guideway's lifespan and damage the raceway;at the same time,the cylindrical rollers will be easily deflected and  locked by themselves when in the operation.Therefore,we usually recommend to use 0   precision and rigidity are required,the below assembly board as left drawing or the wedge block as the right will bepreloading or less preloading. 

Crossing roller  guideway can be operated in high temperature,but not more than 100℃, the speed should better not more than 30m/min.

  The function for grease is to decrease the friction and fray; when the speed is higher(V≥15m/min), grease N32(GB443-84) will be recommended; when in 40℃ and the movement viscosity is 28.8-35.2mm²/s, it only needs to grease constantly or imperatively; when the speed is lower(V<15m/min), lithium grease (GB7324-94 2#) will be recommended.