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Shanghai Shujun Instrument Equipment Co., Ltd
Briefly describe the standardized maintenance methods for waring organization crushers
Date: 2025-11-17Read: 1
The waring tissue grinder is a core equipment used in laboratories for rapid homogenization of animal and plant tissues, cell suspensions, food samples, and drug formulations. It achieves efficient crushing and homogenization with high-speed rotating blades (usually 8000-25000 rpm). However, long-term high load operation can easily lead to problems such as blade passivation, motor overheating, seal leakage, or cross contamination. The scientific and standardized maintenance of waring organizational crushers is crucial for ensuring experimental reproducibility, prolonging service life, and ensuring biological safety.
1、 Basic cleaning after each use
Immediately rinse: After the experiment is completed, immediately use deionized water or appropriate cleaning solution (such as 70% ethanol, dilute alkali solution) to idle for 10-30 seconds to rinse off residual samples;
Dismantling and cleaning: Remove the blade assembly and use a soft bristled brush to clean the gaps between the blades and the cup wall to avoid protein or lipid drying;
Prohibit scratching with hard objects: prevent scratching the stainless steel inner wall or blade, which may affect the subsequent homogenization efficiency.
2、 Weekly routine maintenance
Blade inspection and lubrication:
Check if the blade is curled, loose, or corroded. Minor passivation can be professionally ground, and severe cases can be replaced;
Add 1-2 drops of food grade silicone oil or special lubricating grease to the sealing ring of the blade shaft to maintain flexible rotation;
Motor cooling maintenance:
Clean the dust from the bottom and side heat dissipation holes of the body to ensure smooth ventilation of the fan;
Check the wear of the carbon brush (if any), and replace it if the length is less than 5mm.
3、 Monthly in-depth maintenance
Sealing system inspection:
Replace aging or cracked O-ring seals to prevent liquid from seeping into the motor cavity;
Test whether the cup lid locking mechanism is secure to avoid leakage during high-speed operation;
Cup integrity verification:
Check if there are any microcracks, scratches, or stress whitening on the glass or PC material homogenization cup. If there are any hidden dangers, stop using immediately;
The stainless steel cup body needs to confirm that there are no corrosion points on the polished surface of the inner wall.
4、 Special treatment after special samples
Nucleic acid/protein samples: Soak in RNase/DNase remover or 0.5M NaOH and rinse to prevent biological residues;
High fat/high sugar samples: First, pre wash with warm water and neutral detergent, and then degrease with organic solvents (such as isopropanol);
Toxic or infectious samples: Perform high-pressure sterilization (121 ℃, 20 minutes) or chemical disinfection according to biosafety regulations.