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Study on Solvent Degreasing Process of 316L Stainless Steel Injection Molding

June 28,2023

After injection molding of  316L stainless steel , a degreasing process is usually required to remove the organic plasticizer and other additives added during the injection process, as well as to remove the residue on the surface of the molded part. 

The following is the possible content of the research on the solvent degreasing process of 316L stainless steel injection molding:


Solvent Selection and Formulation Optimization: Choosing the right organic solvent for the degreasing process. Considering solvent volatility, solubility, safety and other factors comprehensively, by adjusting the ratio of different solvents, the degreasing effect and cost-effectiveness are optimized.

Research on degreasing process parameters: Study the effect of degreasing process parameters on the degreasing effect of 316L stainless steel injection molded parts. Including the optimal control of parameters such as degreasing time, temperature, stirring speed, solvent impregnation cycle, etc., to achieve an efficient solvent degreasing process.

Evaluation of degreasing effect: evaluate the effect of degreasing process by physical and chemical methods. Use a microscope to observe residues, color changes, surface quality, etc. on the surface of molded parts. The degree of degreasing and residual solvents were analyzed by thermogravimetric analysis (Thermogravimetric Analysis, TGA) and infrared spectroscopy (Infrared Spectroscopy, IR)

Residue Control and Removal: Research on the reduction or removal of residues generated during degreasing. By improving process parameters, adding additives or using other treatment methods, such as ultrasonic cleaning, air blowing, etc., the generation of residues and the degree of fixation on the surface of formed parts can be effectively reduced.


Surface quality and performance evaluation: Surface quality and performance evaluation of 316L stainless steel injection molded parts after degreasing. Including surface roughness, oxide layer analysis, metallographic microscope observation, etc., to ensure that the degreasing process does not cause damage to the surface of the molded part and meets the use requirements.

Process optimization and control: Considering the degreasing effect, process cost and environmental factors, optimize and control the solvent degreasing process of 316L stainless steel injection molding. Establish a reasonable range of process parameters and quality control standards to achieve a stable degreasing process and consistent finished product quality.

Through the above research content, the solvent degreasing process of 316L stainless steel injection molding can be optimized, the quality and surface properties of molded parts can be improved, and the purpose of efficient and controllable removal of organic plasticizers and residues can be achieved. Degreasing process.


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