金刚石与磨料磨具工程
金剛石與磨料磨具工程
금강석여마료마구공정
DIAMOND & ABRASIVES ENGINNERING
2015年
1期
39-43
,共5页
王慧敏%李军%王文泽%黄建东%朱永伟%左敦稳
王慧敏%李軍%王文澤%黃建東%硃永偉%左敦穩
왕혜민%리군%왕문택%황건동%주영위%좌돈은
固结磨料研磨%表面粗糙度%预测模型%模型修正
固結磨料研磨%錶麵粗糙度%預測模型%模型脩正
고결마료연마%표면조조도%예측모형%모형수정
fixed abrasive lapping%surface roughness%prediction model%model updating
考虑磨粒轨迹和研磨垫弹性的影响,分析磨粒间距的概率密度函数,计算磨粒轨迹重叠率；引入与研磨参数相关的修正因子,并确定其值,修正固结磨料研磨 K9玻璃表面粗糙度公式,实验验证修正模型。结果表明：修正后,K9玻璃表面粗糙度模型计算值与实验值误差控制在4%以内。显著提高 K9玻璃表面粗糙度的预测精度,有效指导其研磨方案设计,提高加工效率。
攷慮磨粒軌跡和研磨墊彈性的影響,分析磨粒間距的概率密度函數,計算磨粒軌跡重疊率；引入與研磨參數相關的脩正因子,併確定其值,脩正固結磨料研磨 K9玻璃錶麵粗糙度公式,實驗驗證脩正模型。結果錶明：脩正後,K9玻璃錶麵粗糙度模型計算值與實驗值誤差控製在4%以內。顯著提高 K9玻璃錶麵粗糙度的預測精度,有效指導其研磨方案設計,提高加工效率。
고필마립궤적화연마점탄성적영향,분석마립간거적개솔밀도함수,계산마립궤적중첩솔；인입여연마삼수상관적수정인자,병학정기치,수정고결마료연마 K9파리표면조조도공식,실험험증수정모형。결과표명：수정후,K9파리표면조조도모형계산치여실험치오차공제재4%이내。현저제고 K9파리표면조조도적예측정도,유효지도기연마방안설계,제고가공효솔。
Surface roughness is an important indicator of workpiece surface quality,and also a common processing quality parameter in ultra-precision machining.Considering the effect of abrasive traj ectory and pad elasticity,overlap rate of abrasive track was calculated by analyzing the probability density function of the abrasive interval.A correction factor associated with lapping pad was proposed,and its value was determined.The updated surface roughness model of K9 glass was obtained,and it was verified through experiments.The results showed that after correction,error between model caculating Ra of K9 glass and real Ra was controlled at less than 4%.The prediction accuracy of K9 glass surface roughness was greatly improved, guiding the lapping design effectively and improving processing efficiency.
