最新中职数控技术应用专业实用英语授课教案

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▲Ask the students to read the text quickly and answer the following question:
Whatis a CNC machine mainly made up of?
▲1. The teacher reads the whole text.
16. tailstockn.尾座
17. slantvt.使.......倾斜的
18.processvt.加工,处理
Step III Text
1. Key words
1.CNCmachine计算机数控机床
2. headstock主轴箱
3. chuck卡盘
4. turret转塔刀架
5. carriage拖板
fall away和…连接在一起
4. Reading comprehension
Answer the following questions.
1).What does the headstock contain?
2).What is the chuck connected with?
3).What is the turret used to do?
课题
Lesson 1 In百度文库roductionto Modern CNCMachines(U3-L1)
授课
日期
年月日第课时
教学
目标
知识目标:掌握关于本课的基本词汇以及相关信息,引导学生做简要的口语表达。
能力目标:提高学生的阅读理解能力和对信息的概括提炼的能力。
素质目标:培养学生自主解决问题和相互合作的能力。
2)on the spindle / The raw stock(毛坯)/is clamped/
The stockis clampedon the spindle.
3)store and process/ MCU/ CNC programs/ is used to
MCU is used to store and process CNC programs
2. Ask some students to read the words.The teacher corrects their pronunciation when necessary.
3. Pair work: One student says the English words, the other speaks Chinese. The students practise in pairs.
----What does MCU stand for?
----It stands for Machine Control Unit.
Step V Exercises in class
I.把字母重新排序组成单词
stock-head-----headstock
chcku------chuck
ent turr-----turrent
B:What does MCU stand for?
C:It stands for Machine Control Unit.
D:What are the two important parts of aCNCmachine?
正确顺序:D A B C
2. Pair work
First ask the students topracticethis dialogue in pairs, then choose some groups to perform it before the class.
6. tailstock尾座
7.MCU机床控制装置
2. Fast reading
3. Careful reading
Match the key phrases
tool change旋转的工件
revolving workpiece齿轮传动装置
gear transmission换刀
be connected with落下
▲Askthe students to find the important phrases in this lesson, then choose some students to write them ontheblackboard.
▲1.把下列对话重新排列顺序。
A:They are the spindle and the tailstock.
教材
分析
本节内容是关于数控车床的基本结构,介绍了各个组成部分的作用,涉及到的词汇比较多,文章内容比较枯燥,教师可以让学生到数控车间进行观察学习。
教学
重点
掌握文章中涉及的专业词汇以及重点句型的分析。
教学
难点
文章中复杂长句的分析
教法
1.Task-based teaching and learning
2.Cooperative learning
Your foot will change direction. . . . . . and there's nothing you can do about it!
▲1.Ask several students to recite theusefulsentencesinLesson 4, Unit 2and the others repeat.
6.CNC___________________
7.MCU___________________
(1.主轴箱2.卡盘3.转塔刀架4.拖板5.尾架
6.计算机数字控制7.机床控制装置)
Step VI Homework
Step VII Self-checklist
Step VIIIA Game
This will keep you busy for a while, trying to outsmart your foot, but you can't.
▲The teacherasks some questions andtellsthe students to answer the questions in detail according to the textto see how much they’ve understood.
▲Coping with the difficult points
课时
1课时大课(90分钟)
教具
a projector




Introductionto Modern CNCMachines
headstock
chuck
The basic structure : turret
carriage
tail-stock
bed
MCU




教学内容
教学过程
Step 1 Leading-in and Warming-up
▲Hand out the exercise materials to the students, let the students do these exercises in groups. At last , the teacher checks the answerstogetherwith the class.
▲ 1. Exercises on page 66&67 are assigned as homework to be written in the exercise-books.
2. The students read the supplementary material after class and underline the sentences or phrases that they don’t understand.
6. chuckn.卡盘
7. connectv.连接
8.clampvt.夹住
9. previousadj.在前的,早先的
10. turrentn.转塔刀架
11. revolvingadj.旋转的
12. supportvt.支撑,支持
13. carriagen.拖板
14.shavingn.碎屑
15.storevt.贮备,存储
2. The students read the text themselves.
3. Have some individual students read the text paragraph by paragraph.
4.Ask the students to choose useful words and expressions, then do the exercise on the left.
4. The teacher explains some words.
▲1. The students have been asked to preview the key words before the class.
2. Check the preview by doing this exercise: match the Chinese terms with its English.
1. Revision
2. Warming up for the new class
简述本节内容、要点,导出教学目标。
Step II. Vocabulary study
1. on-boarda.内嵌的
2. structuren.成分,构成
3. headstockn.主轴箱
4.gearn.齿轮
5.transmissionn.传动,传送
III.译成中文.
1.headstock___________________
2.chuck___________________
3.turret___________________
4.carriage___________________
5.tailstock___________________
rrcaiage-----carriage
stocktail-----tailstock
cesspro ----process
II.组成句子
1)the spindle /The chuck/is connected with
The chuckis connected withthe spindle.
2.Ask students to answer teacher’s questions according to thetextforprogram configurationsinLesson 4.
▲1. Ask the students to read the words after the teacher.
5. Analysis of difficult points
6. Reading competition
7. Summary
Step IV Dialogue
----What are the two important parts of aCNCmachine?
----They are the spindle and the tailstock.
1. While sitting at your desk, lift your right foot off
the floor and make clockwise circles.
2. Now, while doing this, draw the number "6" in the air with your right hand.
▲The teacher picks out the important sentences, and asks the students to practise speaking loudly, clearly and fast.Then choose four students to have a competition,praise the best student and encourage the worst one.
1.The chuck is connected with the spindle
卡盘和主轴连接在一起。
be connected with和…连接在一起
2 .Itis usually slanted to allowshavings to fall away easily.
….数控车床的床身通常是倾斜的,以便使切屑容易掉落。It指车床,to allow shavings to fall away easily是目的状语从句。
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