CAJ | 학술논문

抛射强度K是振动筛筛分性能的重要指标之一。为了确定弛张筛抛射强度K的合适值，研究弛张筛机械结构和运动学参数对K的影响，建立了包含转速n、圆频率ω、偏心距e、横梁最大间距L等参数的抛射强度模型。对模型进行系列优化和回归分析，借助于Excel 软件计算和绘图技术，获得相关参数的特性曲面。研究结果揭示了弛张筛的非线性动力学特性；确定K的优化值为7．8 g，与实测值7．3 g相符；建立K与关键参数的数学模型，得到结构参数和工艺参数的最优值。研究结果为完善弛张筛关键参数设计、进一步提高弛张筛的应用水平提供了基础依据。
포사강도K시진동사사분성능적중요지표지일。위료학정이장사포사강도K적합괄치，연구이장사궤계결구화운동학삼수대K적영향，건립료포함전속n、원빈솔ω、편심거e、횡량최대간거L등삼수적포사강도모형。대모형진행계렬우화화회귀분석，차조우Excel 연건계산화회도기술，획득상관삼수적특성곡면。연구결과게시료이장사적비선성동역학특성；학정K적우화치위7．8 g，여실측치7．3 g상부；건립K여관건삼수적수학모형，득도결구삼수화공예삼수적최우치。연구결과위완선이장사관건삼수설계、진일보제고이장사적응용수평제공료기출의거。
Intensity of vibration K is an important indicator of the vibrating screen performance .In order to deter-mine the proper value of vibration intensity K of a flip-flow screen , and study influence of geometrical and kine-matics factors ,the model of vibration intensity K was established including rotating speed n, deriving frequency ω, eccentricity e and large distance of two moving beams L , etc.Then a series optimization on K and regression analy-sis were carried out .With the aid of calculation and plotting technology of ExcellSoftware, a series of response sur-faces of kinematics factors were also generated .The results reveal the nonlinear dynamics of the flip -flow screen;the optimized data of K is 7.8 g, which accords with the experimental data of data 7.3 g;key parameters expres-sions of Kwere created , optimized data of mechanical parameters and technological parameters were obtained .The results provide fundamentals for not only optimized design of the key parameters , but also the further application of the flip-flow screen .