Application of rack and pinion in laser cutting machine
Gears are wheel-shaped mechanical parts that rely on the meshing of teeth to transmit torque. The gear is transmitted with other toothed mechanical parts (such as another gear, rack, worm) to achieve functions such as changing the speed and torque, changing the direction of motion, and changing the form of motion. Due to the advantages of high transmission efficiency, accurate transmission ratio, and large power range, gear structures are widely used in industrial products. The gear teeth interlock with each other, and one gear will drive the other gear to rotate to transmit power. Separating the two gears, you can also use chains, crawlers, and leather belts to drive the gears on both sides to transmit power.
The tooth profile of the rack is a straight line instead of an involute (for the tooth surface, it is a flat surface), which is equivalent to an infinite cylindrical gear with a pitch circle radius. The racks can be divided into straight racks and helical racks, which are paired with spur gears and helical gears respectively.
In the application of laser cutting machine, the rack and pinion cooperate with the cylindrical gear, which is usually used for the power transmission of the servo motor, so that the laser cutting head can be in the X, Y, and Z directions. Movement to achieve the purpose of cutting workpieces of various shapes.
Because of the better meshing degree of helical rack and pinion, the transmission is stable and the noise is low; the coincidence degree is large, which reduces the load of each pair of gears and improves the load carrying capacity of the gears. Ability, so it is widely used in the manufacture of laser cutting machines.
Precautions for the use of gears:
1. Before starting, please confirm whether the gears are installed in place
2. The gears cannot be contacted To one end
3. Avoid using without backlash
4. With proper lubrication
5. If the gear is exposed outside, please be sure to install protection Cover to ensure safety
6. When the gear is rotating, please do not touch
7. When there is abnormal noise and vibration during operation, please stop and confirm the gear meshing and assembly.
p>