Preparation method of water-based cutting fluid. And relates to an antirust and antibacterial water-based cutting fluid and a preparation method thereof. Comprise that following preparation reaction step: firstly, water is added into a reaction kettle, triethanolamine is added, and the temperature is raise to 70 DEG C; Then sebacic acid, antirust agent, polyethylene glycol, benzotriazole and glycerol are added gradually and sequentially, and are evenly stirred during the adding process; The weight percentages of the above components are: polyethylene glycol 5- 10%, triethanolamine 5- 15%, antirust agent 10-20%, sebacic acid 6- 10% and benzotriazole1%-5. The invention has excellent antibacterial performance, and the concentrated solution can be stored for 2 years without deterioration. The formula does not contain chlorine and phenol, has less waste liquid discharge, meets the requirements of environmental protection, has no special smell and does not affect the health of operators.
Source: Dongzhan Xinbo Cutting Fluid.