问题 问答题 简答题

在双动压床上安装冲模的程序有哪些?

答案

参考答案:

1检查拉深模的有关安装尺寸(内和外闭合高度、安装孔及安装槽位臵等),并按冲模安装卡,选定冲模的安装垫板。

2将外滑块垫板放在压料圈上面。用螺钉将它和压料圈初步连接上,并将内滑块(中间)垫板紧固到凸模安装座上。

3调节双动压床的内、外滑块装模高度,使其稍大于冲模的实际内、外闭合高度。下调内、外滑块时,要适当放掉滑块平衡气缸里的压缩空气。

4将压床内、外滑块下平面,压床工作台板和冲模上下面擦拭干净后,把拉深模拖进压床工作台板中心位臵。

5对准安装槽或孔,将滑块降到下死点,把内滑块下调到与凸模固定座顶面接触。用螺钉将内滑块中的垫板或凸模固定在内滑块上。

6开动压床,空行程数次,使凹模和压料圈处于正确位臵,然后通过外滑块中间垫板,正确地把压料圈紧固到压床外滑块上。

7开动压床,空行程数次,正常后,拧紧凹模的固定螺钉。

8试冲拉深件,合格后锁紧连杆,并按照冲模重量调节好平衡气缸压力。在冲模导向部分加油后交付生产。

完形填空

阅读下面对话,按要求完成相关任务。

Stephen will finish school this summer. He plans to find a job in UNICEF. Now he is being interviewed by a UNICEF worker.

(S: Stephen                   W: worker in UNICEF)

W: So, Stephen, please say something about yourself.

S: Well, I love children so much. My mother works in a primary school, so I learn a lot about children and I think this might be useful.

W: I’m sure it is. Do you speak many languages? Ours is an international organization and it’s quite often that we meet children from different countries.

S: Yes. I’m good at French and English. I’m taking Chinese at evening classes. I learned Japanese at school, too.

W: Excellent. 告诉我你为什么想得到这份工作。

S: Well, it sounds interesting, worker, like, experience, I, as , some, would, a , to, charity, get . Maybe one day I’ll set up my own charity.

W: I see. What are your characteristics, may I ask?

S: I’m patient, generous and easy-going.

W: Good. What do you think you could offer us, Stephen?

S: I think my knowledge of languages and personalities would be useful. I enjoy working with children and you can always believe me. I’m also fit and healthy.

W: What do you think your disadvantages are?

S: I’m not outgoing. I’m very shy when I first meet people. I find it difficult to talk to them and make conversation, but when I know people quite well I’m much more self-confident.

W: Thank you very much. Stephen. We’ll call you next week.

小题1: Where does Stephen’s mother work?                                        ________

小题2:Which language is Stephen taking at evening classes.  English, Chinese or Japanese?  _______

小题3: 将文中划线部分的单词组成一个通顺的句子。        ______________________________

小题4: 将文中汉语“告诉我你为什么想得到这份工作。”译成英语。  ________________________

小题5:What are Stephen’s advantages in asking for this job?(列出四个方面)              ________

多项选择题