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Type deep groove ball bearings are metric series, the outer diameter of less than 9mm; British series, the outer diameter of less than 9.525mm various types of bearings, the main material is carbon steel, bearing steel, stainless steel, plastic, ceramics, etc., of which the smallest diameter can be done 0.6mm, the general diameter of 1mm more.
Miniature deep groove ball bearings profile
In ultra-small aperture micro-bearings, miniature deep groove ball bearings of the type 68 series, 69 series, 60 series, the British R series, a total of 6, on this basis, can also be divided into with ZZ steel dust Cover bearing series, with RS rubber seal miniature bearing series, Teflon bearing ring series and flange with flange series and so on.
The main purpose
Suitable for all kinds of industrial equipment, small rotary motor and other high speed low noise areas, such as: office equipment, miniature motors, instrumentation, laser engraving, small watches, soft drives, pressure rotor, dental drill, Into the motor, video recorder drums, toy models, computer cooling fans, cash registers, fax machines, and other related fields.
Micro-bearing failure causes
About 40% of the failed miniature deep groove ball bearings are caused by dirt, dirt, debris contamination and corrosion. Pollution is usually caused by incorrect use and poor environment for use, and it can cause torque and noise problems. Miniature bearing failures due to the environment and pollution can be prevented, and simple visual inspection can determine the cause of such failure. As long as the use and installation of reasonable, micro-bearing erosion is easy to avoid. Ablation is characterized by the presence of indentations in the raceways of the miniature race due to impact loads or incorrect installation. Denudation usually occurs when the load exceeds the yield limit of the material. Corrosion can also occur if a load is applied across a miniature bearing ring if it is installed incorrectly. Pits on the miniature bearing ring also generate noise, vibration and additional torque.
Miniature deep groove ball bearing heating matters needing attention
Place the yoke on the end of the main unit.
2, the plug into the control switch on the power outlet.
3, check the ground wire is good, test with the power pencil after power.
4, press the start button, the host power.
5, check the yoke should be no voltage on the ground.
6, press the stop button to power off the host, stop heating.
7, according to different specifications of micro-bearings or other workpieces, choose a different yoke set, the yoke on the host's top surface, should be consistent with the formation.
8, heating micro-bearings, the sensor should be inserted into the "sensing socket" and the sensor close to the heated workpiece.