How are ball bearings made?

Langche was established in 2018, we are an experienced ball bearing manufacturer. Providing premium quality products. Which are widely applied in different applications. You can find out more from our articles.

Machinery needs ball bearings to rotate household appliances, industrial machinery, and car engine parts, such as alternators and fans. A deep groove ball bearing, it has a steel ball inside the track, named raceways. The raceways are crafted into heavy-duty steel rings. The balls are made of the same types of steel.

The first step to producing the rings starts from shaping the rings to the right thickness. Next, they insert the inner ring into the outer ring the set then passes through a grinder that alters the width to the correct thickness.

A gauge checks the width of each ring as it exits, now they separate the inner and outer rings in order to grind their outer circumference on separate machines. The outer ring enters the grinder which shapes its outer surface to a precise roundness and diameter.

A water-based liquid keeps the ring from overheating, which would cause warping. The rings exit the grinder through a gauge that checks the diameter. Next up, the outer rings raceway goes for grinding, abrasive stone wheels with an oil coolant shape the surface to precise correct roundness and size.

The inner ring and race go through a similar machine, after that the rings go for polishing, with an abrasive stone lubricated with oil polishing the steel surface until you can see a reflection.

Next stop, washing and we coat the rings with thick oil and a fine stone grit. Furthermore, we clean the raceways with kerosene. Elsewhere in Langche's plant, we have classified the steel balls according to their size. These balls started out as steel wire and a machine cut them into pieces and add a die to punch them into rough balls.

These rough balls go into a grinder which removes the bumps, and then the other machines round them out and give them a mirror finish. This entire process takes a few days, the balls go through a furnace to harden. Following that, they have a bath in cleaning solvent.

After several quality checks the finished balls go into hoppers. The hoppers load onto the automatic assembly machine. The ball feeder sends balls down through tubes to a ball pusher that feeds the correct quantity of balls into the raceways of the now reassembled inner and outer rings. A ball divider positions the balls evenly around the raceways.

Following, come to the ball cage, which is a metal cage that retains the ball in position around the raceways. The first machine installs half of the cage, the half with rivet holes. The next machine carefully positions the other half of the cage, the half with rivets.

The machine test spins the bearing and then rivets, the two halves of the ball cage together. The bearing is now fully assembled, now it goes into a solvent bath, then for a series of automated quality control tests. This noise vibration tester makes sure the ball bearing operates quietly.

Some types of bearing are lubricated with grease, a machine squirts grease evenly into the bearing's raceways that insert a rubber seal to contain the grease. In a final quality control test, an automated scale tosses out any bum bearings that aren't the required weight. The good ones move on to the laser, which marks their information, such as the part number and the trademark.

In conclusion, choosing Langche is the best choice, we are experienced in manufacturing bearings. So do not hesitate to contact us now, to get the best quotation.