长春大学学报(自然科学版)
長春大學學報(自然科學版)
장춘대학학보(자연과학판)
JOURNAL OF CHANGCHUN UNIVERSITY
2013年
6期
1579-1582
,共4页
三维模型%小直径麻花钻头%有限元分析%刚度%强度
三維模型%小直徑痳花鑽頭%有限元分析%剛度%彊度
삼유모형%소직경마화찬두%유한원분석%강도%강도
3D model%small diameter twist drill%finite element analysis%stiffness%strength
针对小直径钻头在钻削过程中出现的弯曲、折断问题,利用PRO/E软件建立了小直径麻花钻头的三维模型,基于ANSYS Workbench软件分析了钻头钻削时的固有频率、变形、应力应变的变化规律,分析了钻头夹持长度、螺旋槽长、材料等因素对钻头强度和刚度的影响,提出了相应的措施来增强钻头的性能。
針對小直徑鑽頭在鑽削過程中齣現的彎麯、摺斷問題,利用PRO/E軟件建立瞭小直徑痳花鑽頭的三維模型,基于ANSYS Workbench軟件分析瞭鑽頭鑽削時的固有頻率、變形、應力應變的變化規律,分析瞭鑽頭夾持長度、螺鏇槽長、材料等因素對鑽頭彊度和剛度的影響,提齣瞭相應的措施來增彊鑽頭的性能。
침대소직경찬두재찬삭과정중출현적만곡、절단문제,이용PRO/E연건건립료소직경마화찬두적삼유모형,기우ANSYS Workbench연건분석료찬두찬삭시적고유빈솔、변형、응력응변적변화규률,분석료찬두협지장도、라선조장、재료등인소대찬두강도화강도적영향,제출료상응적조시래증강찬두적성능。
In view of the bending and breaking problems of small diameter drills in the process of drilling, a 3D model of small diame-ter twist drills is established by using PRO/E software. Based on ANSYS Workbench software, this paper analyzes the change rules of inherent frequency, deformation, stress and strain during the process of drilling, discusses the effects of clamping length, spiral groove's length, materials and other factors on the strength and stiffness of twist drills and presents some measures to enhance the per-formance of twist drills.