We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
MECHANICAL ANALYSIS AND OPTIMAL DESIGN OF MIXING PADDLESFORCSAM MIXERS.
- Authors
Zechen YAO; Renfeng YANG; Wei YUAN; Haichao AN
- Abstract
As the key component of Cement-stabilized Aggregate Mixture (CSAM) mixers, mixing paddles may directly affect the mixing performance. To obtain good geometric parameters for the mixing arm and mixing blade, mechanical analysis on the mixing paddle of a test prototype was carried out. The factors that influence the force on mixing blade were analyzed and the math expression for combined tensile bending stress of the vulnerable cross section (K-K) (Fig. 2) of the mixing arm was obtained. Based on the results of this mechanical analysis and considering the possibility of "seizing material" in the mixing process, the paddle was optimized taking the minimum volume of the paddle as the optimization objective under conditions that meet the working requirement. The Matlab was used to find the optimal thickness of the blade, h=0.01m and the diameter of the arm d=0.02m.After optimization, the arm diameter, the blade thickness, and the mass of the mixing paddle were reduced by 63.63%, 20%, and 68.33% respectively. The simulation analysis of the optimized mixing paddle was verified using the Abaqus FEA. The maximum stress is 27.33MPain the cross section (K-K), and the maximum deformation is 0.698mm, which meets the requirements of the CSAM mixer. This method can provide a reference for the design and optimization of other types of CSAM mixing paddles.
- Subjects
BENDING stresses; CONCRETE mixing; MIXING
- Publication
Academic Journal of Manufacturing Engineering, 2019, Vol 17, Issue 4, p80
- ISSN
1583-7904
- Publication type
Article