【单选题】
SDS温锻压机有_____工位___
A. 5
B. 2
C. 3
D. 4
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
A
解析
暂无解析
相关试题
【单选题】
申江厂温锻压机是___
A. 2000吨
B. 2500吨
C. 3000吨
D. 4000吨
【单选题】
申江厂冷精整压机是___
A. 400吨
B. 500吨
C. 300吨
D. 800吨
【单选题】
精锻完成锻打后,要经过___
A. 可控冷却
B. 油冷
C. 回火
D. 退火
【单选题】
生产过程中,经可控冷却直接进行下道抛丸和冷精整时,要求在抛丸前用手持测温仪测量毛坯表面温度,要求温度<____℃___
A. 120
B. 150
C. 180
D. 200
【单选题】
冷精整生产线若使用已超过设计寿命的模具时,目测频率必须至少提高___
A. 1/4
B. 1/3
【单选题】
使用皂化工艺生产外星轮冷精整精锻件时,每次外星轮冷精整换模时必须在冲头与芯棒间添加____#抗磨液压油___
A. 44
B. 45
C. 46
D. 47
【单选题】
皂化使用皂化机进行,皂化的工艺参数按工艺卡上要求的设备参数执行,皂化温度是___
A. 50~60℃
B. 40~50℃
C. 30~40℃
D. 20~30℃
【单选题】
冷精整首件送三座标精测的工件尺寸公差需收紧____%___
A. 10
B. 15
C. 20
D. 30
【单选题】
温锻件经抛丸后要求工件表面基本呈 ___
A. 灰色
B. 黑色
C. ,金属色
D. 氧化色
【单选题】
皂化冷精整后的工件需要进行____处理___
A. 清洗
B. 抛丸
C. 防锈
D. 沥干
【单选题】
外星轮经可控冷却输送带后,柄部硬度一般为___
A. HB109~120
B. HB200~300
C. HB209~252
D. HB300~400
【单选题】
外星轮经可控冷却输送带后,锻件柄部晶粒度要求为___
A. 5~6级
B. 5~7级
C. , 5~9级
D. 5~10级
【单选题】
操作面板上的“OFFSET”是什么含义___
A. 编辑
B. 刀具偏置补偿
C. 自动加工
D. 手动模式
【单选题】
SDS-TQ GF6壳体软加工的主要工艺道序为___
A. 铣削-磨削-清洗
B. 刨削-刮削-车削
C. 车削-铣削-平衡
D. 清洗-磨削-铣削
【单选题】
SDS-TQ产品机加工的一般工艺流程为___
A. 软加工-热处理-硬加工
B. 软加工-硬加工
C. 硬加工-热处理
D. 热处理-软加工
【单选题】
车刀刀片牌号"CNMG120412"中的"N"含义是___
A. 刀具有效切削刃长度
B. 刀具切削槽的形式
C. 刀具切削后角的度数
D. 刀具切削前角的度数
【单选题】
标准麻花钻的锋角为___
A. 118°
B. 35° ~ 40°
C. 50° ~ 55°
D. 55° ~ 60°
【单选题】
闭环控制系统的位置检测装置一般安装在___
A. 传动丝杠上
B. 伺服电机轴上
C. 机床位移部件上
D. 加工工件上
【单选题】
通常CNC系统将零件加工程序输入后,存放在___
A. RAM中
B. ROM中
C. EPROM中
D. 硬盘中
【单选题】
选择加工表面的设计基准为定位基准的原则称为___
A. 基准重合
B. 基准统一
C. 互为基准
D. 无所谓
【单选题】
能改善材料加工性能的措施是___
A. 增大刀具前角
B. 适当的热处理
C. 加大切削用量
D. 减小切削用量
【单选题】
工件上用于定位的表面是确定工件位置的依据,称为___
A. 设计基准
B. 工艺基准
C. 定位基准
D. 加工基准
【单选题】
GF6差速器总成清洁度要求为___
A. ≤0.6mg
B. ≤2mg
C. ≤6mg
D. ≤8mg
【单选题】
GF6差速器BACKLASH的检验要求是___
A. ≤2.36mm
B. ≤3.36mm
C. ≤4.36mm
D. ≤6.36mm
【单选题】
GF6差速器回转检查的要求是___
A. 转动顺畅无卡滞
B. 允许有轻微卡滞
C. 需要很大力气才能转动
D. 有间隙
【单选题】
GF6差速器安装PIN的个数是___
A. 3个
B. 2个
C. 1个
D. 0个
【单选题】
C200 PTU装配线的第一道工序是___
A. 中间轴装配
B. 输出轴装配
C. 零件清洗
D. 零件称重
【单选题】
C200 PTU装配线hypoid gear和pinion gear的追溯方式是___
A. 单件追溯
B. 批次追溯
C. 按天追溯
D. 不追溯
【单选题】
C200 PTU装配线hypoid gear和pinion gear是否可以互换装配___
A. 可以
B. 不可以
C. 部分可以
D. 无所谓
【单选题】
C200 PTU装配线6ST工序测量输出轴BACKLASH的公差要求是___
A. 0.05-0.1mm
B. 0.1-0.2mm
C. 0.2-0.3mm
D. 0.3-0.4mm
【单选题】
将钢加热到临界点以上30—50℃保温适当时间,在空气中冷却的工艺方法为___
A. 淬火
B. 回火
C. 正火
D. 退火
【单选题】
拉伸试验时,试样拉断前能承受的最大拉应力称为材料的___
A. 屈服点
B. 抗拉强度
C. 弹性极限
D. 刚度
【单选题】
钢经表面淬火后将获得___
A. 一定深度的马氏体
B. 全部马氏体
C. 下贝氏体
D. 上贝氏体
【单选题】
GCrl5SiMn钢的含铬量是___
A. 15%
B. 1.5%
C. 0.15%
D. 0.015%
【单选题】
C曲线右移使淬火临界冷却速度____,淬透性_______
A. 减小、增大
B. 减小、减小
C. 增大、减小
D. 增大、增大
【单选题】
从金属学的观点来看,冷加工和热加工是以____温度为界限区分的___
A. 结晶
B. 再结晶
C. 相变
D. 25度
【单选题】
位错是一种___
A. 线缺陷
B. 点缺陷
C. 面缺陷
D. 不确定
【单选题】
当纯铁从体心立方晶格转变为面心立方晶格时其体积___
A. 缩小
B. 膨胀
C. 不变
D. 不确定
【单选题】
DO节外星轮内腔球道PCD分布的理想形状是___
A. 中间小、两头大
B. 中间大、两头小
C. 倒锥形
D. 顺锥形
【单选题】
B8三销轴叉激光焊接前处理清洗工艺可以采用___
A. 酸性清洗液清洗
B. 中性清洗液清洗
C. 碱性清洗液清洗
D. 以上均可以
推荐试题
【单选题】
----- "Where is your college located, John?" ----- "It is ________."___
A. on the Fifth Avenue
B. on Fifth Avenue
C. in Fifth Avenue
D. at Fifth Avenue
【单选题】
__________ is she in London than she rings up her old friend Mary.___
A. Scarcely
B. Rarely
C. No sooner
D. Hardly
【单选题】
A fireman discovered the __________ of the fire.___
A. truth
B. reason
C. cause
D. fact
【单选题】
he weather __________ us from climbing the mountain.___
A. discharged
B. disguised
C. disturbed
D. discouraged
【单选题】
I didn't expect to receive a postcard from you!It's really _____my wildest imagination.___
A. behind
B. beyond
C. except
D. through
【单选题】
John Smith is _____ honest young man.___
A. one
B. an
C. the
D. a
【单选题】
She __________ in wearing that old – fashioned hat.___
A. insists
B. persists
C. assists
D. consists
【单选题】
Some of the meat came from Canada. How about________?___
A. another
B. the other
C. others
D. the rest
【单选题】
I have brought you ___ flowers for your birthday. ___
A. few
B. a few
C. little
D. a little
【单选题】
I have also experienced many adventures, but nothing that I have seen ___what you have described. ___
A. compares
B. relates
C. resembles
D. assembles
【单选题】
That young man has made so much noise that he ___ not have been allowed attend the concert. ___
A. could
B. must
C. would
D. should
【单选题】
“What is Mary doing at home?” “She is playing ____.”___
A. a piano
B. her piano
C. piano
D. the piano
【单选题】
I’m busy now ,ask him to see me ____ time.___
A. the other
B. some other
C. other
D. another
【单选题】
The child took a spoonful and tasted it carefully __________ it was hot.___
A. in case
B. provided
C. if
D. unless
【单选题】
The French pianist who had been praised very highly __________ to be a great disappointment. ___
A. turned off
B. turned up
C. turned out
D. turned down
【单选题】
“Shall I turn on the television?” – “No, I’d rather not __________ television tonight.”___
A. have watched
B. to watch
C. watch
D. for watching
【单选题】
They said that they had made up their minds to ____the task in spite of the extremely difficult conditions.___
A. carry on
B. carry off
C. carry away
D. carry forward
【单选题】
The two girls are getting on very well and share with each other. ___
A. little
B. much
C. some
D. none
【单选题】
The teacher said that the classroom was empty __________ a few chairs.___
A. but for
B. except for
C. apart from
D. besides
【单选题】
______you choose, make sure that it is a good one. ___
A. What
B. Wherever
C. Whichever
D. Which
【单选题】
Vingo was released from prison_____the successful efforts of his friends to prove his innocence. ___
A. according to
B. as a result of
C. for reasons of
D. with the help of
【单选题】
Entering the room, I found my father __ at the desk and ___ something .___
A. seat... write
B. seated ... wrote
C. seated ... writing
D. seating ... writing
【单选题】
Cake __________ of flour, sugar, egg and some other ingredients. ___
A. contained
B. consists
C. includes
D. composed
【单选题】
Mr. Peter wanted Steve to take half the money, but Steve did not __________ it. ___
A. obtain
B. achieve
C. accept
D. receive
【单选题】
I'd like to take my picture ________stands a high tower. ___
A. where
B. which
C. that
D. there
【单选题】
__________ the English examination I would have gone to the concert last Saturday. ___
A. But for
B. As for
C. In spite of
D. Because of
【单选题】
Cars moved very slowly in the 1920s, but they ______move more quickly than in 1910.___
A. were to can
B. did
C. will
D. can
【单选题】
The little girl needs __________ after her shock. ___
A. being comforted
B. be comforted
C. comforting
D. comforted
【单选题】
The __________ horse ran away from the fire.___
A. having frightened
B. frightening
C. frightened
D. frighten
【单选题】
He is __________ of an actor. ___
A. anybody
B. anything
C. somebody
D. something
【单选题】
You can take ______ seat you like. ___
A. no matter what
B. no matter which
C. what
D. whichever
【单选题】
He changed his name, _____ that nobody would find out what he had done before. ___
A. having thought
B. to think
C. thinks
D. thinking
【单选题】
----- _______is your English teacher? ----- The one in red. ___
A. who
B. which
C. what
D. where
【单选题】
Can you give me a light for my cigarette? I have ____my matches.___
A. got out of
B. got rid of
C. got away with
D. run out of
【单选题】
Then the speaker __________ the various factors leading to the present economic crisis.___
A. went for
B. went after
C. went into
D. went on
【单选题】
I know Jonathan quite well and never doubt_____ he can do a good job of it___.
A. whether
B. that
C. when
D. what
【单选题】
I'm afraid it ______ tomorrow, but who knows?___
A. may have rained
B. might rain
C. would rain
D. ought to rain
【单选题】
He has spent ____money on his new house.___
A. a large number of
B. the number of
C. lots of
D. numbers of
【单选题】
This is the hotel __________ I like to stay.___
A. in which
B. at which
C. to which
D. at that
【单选题】
Would you mind keeping a(n)__________on the house for us while we are away?___
A. eye
B. /look
C. hand
D. view