1, rack and pinion is required to be fixed on the rail slider, when the slider installation is completed, mechanical limit installation into, you can start to manually push the box installed on the slider and other loads of mechanical devices, check its operating status.

2, rack is a kind of teeth distributed in the bar on the special gear, rack is also divided into straight and helical rack, respectively, with straight and helical cylindrical gears and helical cylindrical gears paired use.