Four tank planetary grinding machineIt is a precision grinding equipment widely used in laboratories and industrial fields. Its core design is to symmetrically arrange four independent grinding tanks on the same turntable, and achieve efficient crushing, mixing, and homogenization through the composite planetary motion of revolution and rotation. The working principle of this device is based on the high-energy collision theory in mechanical mechanics: when the turntable drives the grinding tank to revolve around the central axis, each tank simultaneously rotates in the opposite direction around its own axis, forming a speed ratio of 1:2 to 1:2.33. This motion mode causes the grinding ball inside the tank to move in a spiral trajectory at high speed under the action of centrifugal force, applying triple forces of impact, shear, and friction to the material, achieving fine grinding from the micrometer to the nanometer level (with a minimum particle size of 0.1 μ m).

　　Four tank planetary grinding machineRegular maintenance:

1. Lubrication system maintenance

Planetary gearbox: According to the equipment manual requirements, regularly (usually monthly) check the oil level and quality of the lubricating oil in the gearbox. If the oil is turbid, has impurities, or insufficient, it is necessary to replace it with the same type of lubricating oil (such as industrial gear oil) in a timely manner to avoid gear dry wear.

Bearings and rotating shafts: For moving parts such as bearing seats and revolving/self rotating bearings of equipment, a small amount of lubricating grease (such as lithium based grease) can be added every two weeks to reduce friction losses.

2. Electrical system inspection

Check whether the power cord and plug are damaged, whether the wiring terminals are loose, and ensure the safety of the circuit connection.

Clean the dust on the control panel and buttons (which can be blown clean with a dry cloth or compressed air) to prevent dust from entering the interior and affecting the circuit.

Test whether the emergency stop button, speed adjustment knob, and other functions are normal to ensure effective shutdown in emergency situations.

3. Precision calibration of grinding components

Check the sealing performance of the grinding tank and tank cover. If the sealing ring is aging or deformed (such as cracks or decreased elasticity), it is necessary to replace it with a sealing ring of the same specification in a timely manner (the material should match the material characteristics, such as acid and alkali resistance, high temperature resistance, etc.) to prevent material leakage during grinding.

Calibrate the speed ratio between revolution and rotation (the core parameter of planetary ball mill). If the speed deviation is found to be too large (which can be measured by a tachometer), it is necessary to contact the manufacturer or professional personnel to adjust the motor pulley, gear mesh clearance, etc., to ensure grinding efficiency.