最新摇臂钻床维护保养内容及要求

摇臂钻床维护保养内容及要求

1 日常保养

1.1 定期时间：每班班前、班后。

1.2 作业时间：各15分钟内。

1.3 班前

1.3.1擦净外露导轨面及工作台面的尘土。

1.3.2按规定润滑各部位，油量符合要求。

1.3.3检查各手柄灵活可靠性。

1.3.4空车试运转。

1.4 班后

1.4.1把铁屑全部清扫干净。

1.4.2擦净机床各部位。

1.4.3 部件归位。

2 一级保养

2.1 定期时间：每季度一次。

2.2 作业时间：4小时内。

2.3 外表

2.3.1擦拭机床外表、罩盖及附件，达到内外清洁，无锈蚀，无黄袍。

2.3.2擦拭立柱摇臂、升降丝杆、齿条及链条。

2.3.3检查补齐螺钉、螺母、手柄（球）、油杯等。

2.4传动

2.4.1检查各传动机构是否正常。

2.4.2检查各操纵手柄、限位装置，夹紧机构是否准确可靠。

2.4.3调整各斜铁的松紧程度，调整工作台的升降，做到灵活可靠。

2.5 液压润滑与冷却

2.5.1清洗过滤器、冷却泵、冷却箱，要求管路，阀门畅通无泄漏。

2.5.2清洗油线、油毡、过滤器，达到油路畅通，油窗清晰。

2.5.3检查油质、油量、油位是否符合要求。

2.5.4检查液压系统，调整工作压力。

2.6 电器

2.6.1擦拭电动机及电器箱，达到内外清洁。

2.6.2检查限位装置与接地是否安全可靠。

3 二级保养

3.1 定期时间：每年一次。

3.2 作业时间：8小时内。

3.3 完成一级保养的各项内容（按一级保养要求）。

3.4 传动与导轨

3.4.1检查、调整各传动零部件，修复或更换磨损件。

3.4.2检查、调整主轴轴承间隙，锥孔去除毛刺，检查变速箱及走刀

箱内的齿轮磨损情况和轴承运转时有无噪声等情况，如有损坏应更换，调整主轴，使窜动量在规定的范围内。

3.4.3检查、调整夹紧机构，各操纵手柄定位是否准确。

3.4.4检查导轨后，去除毛刺，整修伤痕，调整间隙。

3.5 液压与润滑

3.5.1清洗换油，排除泄漏。

3.5.2检查、调整液压及润滑系统，修复或更换磨损件。

3.5.3更换油线、油毡，修复润滑装置，达到油窗清晰，油路畅通，

装置齐全。

3.6 精度

3.6.1检查、调整、修复精度，达到产品工艺要求，最低应保证被钻

之孔能符合钳工装配时的要求，如达不到，应列入修理计划。3.7 电器

3.7.1检修电器箱及电器控制系统，拆检电动机，达到内外整洁，安

全可靠。

Unit 1 Can you play the guitar？

一、单项选择：

( ) 1. —Can Lisa play the piano? —Sorry, she .

A. don’t

B. do

C. can’t

( ) 2. Peter can play the violin he can’t play it very well.

A. or

B. and

C. but

( ) 3. Jill can very well, so he wants to join the club.

A. swim; swimming

B. swimming; swim

C. swim; swim

( ) 4. My sister is good old people.

A. to

B. at

C. with

( ) 5. —Can your sister ________?—Yes. Here are some of her pictures.

A. draw

B. swim

C. dance

( ) 6. —Do you often play ________ soccer with your friends?

—No, I don’t like sports, I often play ________ piano on the weekend.

A. a; the

B. the; /

C. /; the

( ) 7. —I want to join your art club.—Can you draw well? —________. But I want to learn it.

A. Yes, I can

B. No, I can’t

C. Yes, very well

( ) 8. —What can Li Xin do?—He can ________ Chinese Kungfu.

A. play

B. do

C. make

( ) 9. —You play the drums very well.—________.

A. Not good

B. You’re welcome

C. Thank you

( ) 10. My brother is good at ________ stories.

A. speaking

B. saying

C. telling

二、完形填空：

A: Hi, Peter. Let’s join a 1 . What club do you want to join?

B: Oh, I 2 know, Alice.

A: Well, 3 can you do? Can you play 4 ? Do you want to join the chess club?

B: No. I can’t play chess.

A: Do you like 5 ?

B: Yes, I 6 . And I can sing very 7 .

A: Great! Can you play the piano 8 the drums?

B: No, I 9 . But I can play the guitar.

A: You can play the guitar. I can play the drums. Let’s join the 10 club.

( ) 1. A. club B. class C. school

( ) 2. A. don’t B. can’t C. am not

( ) 3. A. how B. what C. when

( ) 4. A. soccer B. games C. chess

( ) 5. A. drawing B. swimming C. music

( ) 6. A. can B. do C. want

( ) 7. A. nice B. good C. well

( ) 8. A. or B. and C. but

( ) 9. A. can B. can’t C. may

( )10. A. music B. soccer C. art

三、阅读理解：

A

Dear Mr. Wu,

I am Jack. I want to be in a club in our school. I can’t sing or dance or act in movies (电影), but I can do many other things. I can play three instruments, the guitar, the violin and the piano. I think I can be in the music club. Maybe (也许) I can be a famous (著名的) musician. I like reading story books and I can write stories. Maybe I can be a famous writer. I like sports too, but I don’t think I can be a famous and successful sportsman (运动员). Can I join you?

Yours,