【判断题】【消耗次数:1】
刀具前角越大,切屑越不易流出、切削力也越大,但刀具的强度越高。
正确
错误
参考答案:
复制
纠错
相关题目
【单选题】 适当增大刀具的前角可减小切屑变形和切削力,降低切削温度,进而抑制积屑瘤的产生,该说法( )
①  正确
②  错误
【单选题】 加工()材料时,刀具前角加大,材料的塑性变形减小,切削力减小。
①  铝合金
②  脆黄铜
③  灰铸铁
④  铸铁
【判断题】 刀具的磨钝标准取得越大,切削中刀具就越锋利。()
①  正确
②  错误
【判断题】 磨钝标准取得越大,切削中刀具就越锋利。()
①  正确
②  错误
【判断题】 硬质合金刀具材料的硬度越大,其抗弯强度就越大。()
①  正确
②  错误
【判断题】 切削中,对切削力影响较小的是前角和主偏角。
①  正确
②  错误
【单选题】 高速钢刀具的合理前角( )硬质合金刀具的合理前角。
①  小于
②  大于
③  等于
④  与刀具材料无关
【判断题】 金属切削加工中刀具在切下切屑的同时,刀具本身也要发生损坏,该说法( )
①  正确
②  错误
【单选题】 金属切削时,刀具切入工件,使被加工材料发生变形成为切屑所需的力即为
①  背吃刀量
②  切削速度
③  切削力
【判断题】 铰链四杆机构中,传动角γ越大,机构传力性能越高。
①  正确
②  错误
随机题目
【单选题】 The plotaround early American settlers and the Indians and a conflict between good and evil.
①  revolves
②  involves
③  evolve
④  dissolves
【单选题】 The company has consistentlythe products it offers and is likely to continue to move into new services and countries.
①  diversified
②  exemplified
③  identified
④  simplified
【单选题】 Some creatures are masters of disguise; they can easilytheir environment.
①  weaveinto
②  blend into
③  break into
④  step into
【单选题】 Fulfilling one’s true potential requires setting appropriate goals and exerting theto accomplish them.
①  self-criticism
②  self-doubt
③  self-discipline
④  self-employment
【单选题】 The comedian left behind an impressive andbody of work, making himself a cultural icon.
①  timeless
②  tasteless
③  tireless
④  thoughtless
【单选题】 Scientists are hoping for ain the search for a cure for cancer.
①  breakthrough
②  breakdown
③  breakup
④  breakout
【单选题】 Ia toast to the friendship between the peoples of the two countries.
①  compose
②  impose
③  propose
④  oppose
【单选题】 When we returned, the party wasand the dance floor was crowded.
①  in full swing
②  in full view
③  in full cry
④  in full bloom
【单选题】 Mr. Kent is one of those happy people whopleasure from helping others.
①  deceive
②  deprive
③  devise
④  derive
【单选题】 The Analectscontains passages thatand arouse readers’ minds.
①  inspire
②  expire
③  aspire
④  conspire