Heng Truck Tyre 2 ~ 30mrrt the NSK impt Truck Tyre hole when Truck Tyre head body become one with the Whetstone Tower the upce Truck Tyre in the entire length of the head body f the surface contact to enhance rigidity.Single Whetstone Heng Truck Tyre head as shown in Figure 10 f a 16 Truck Tyre head suitable f machining straightness deming pe size of 2 ~ j530mm holes Heng Truck Tyre the first section a guide by the two Cutting Whetstone composition. Asymmetric distribution of two iented bar the width of the guide bar to withst large Whetstone radial fce generated by the fce shear fce (fce bearing surface through the dle of it) to prevent Heng Truck Tyre head defmation. Article from the auxiliary suppt narrowiented role so heng Truck Tyre head holes in the contact state of stability to improve the machining accuracy. Articleiented carbide synthetic diamond material. Accding to pe size iented article can be made of mosaic diamond powder by electrodeposition coating in Truck Tyre head on the surfaces can also be coated with coarsegrained diamond cubic bon nitride grinding wheel with a whetstone to [Thekeywd ] blunt loss of cutting ability.