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hlx5536 · 发表于 2009-5-18 13:56:10

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我有一份某单位招聘橡胶配方工程师和工艺工程师的试卷，请大家做做，看看你能得多少分，这个试卷对想要招聘的个人和单位也许有帮助（免费）

配方师面试技术考核
Chemist Interview Evaluation Test

姓名Name:                   出生年月 Birth Date:

现任职位 Position:             联系电话 Phone No.:

日期Date:

备注Note;
1-如果需要，可加附页You may attach additional sheet as necessary
2-如果需要,可做必要的假设 Please make necessary assumptions to answer the questions.
1. 请根据提供的资料，设计一个满足要求的配方Please develop a compound recipe that will meet all the following physical property requirements.
ASTM Specification    SAE  J200  M4AA717A13B13C12F17
Additional Information Natural rubber
Test Item Test method Unit Specification
Hardness ,Shore A ASTM D2240 　 70±5
Tensile ASTM D412 MPa ≥17
Elongation ASTM D412 % ≥300
Tear Strength,Die C ASTM D624, KN/m /
Heat resistance,70 h at 70℃ ASTM D573 　　
Change in hardness， MAX 　 points +10
Change in tensile strength， MAX 　 % -25
Change in ulimate elongation， MAX 　 % -25
Compression Set(70℃x22h) ASTM D395 Method B % ≤25
Resistance to Ozone ASTM D1171 　　
Quality Retention Rating, min,    Method B % 85
Low -temperature resistance, ASTM D2137, 　　
Nonbrittle after 3 min at -40℃    Method A 　 pass

Recipe配方:
Item No. Ingredient PHR
1
2
3
4
5
6
7
8
9
10
11
12

2. Please develop a recipe based on the following application requirement.请根据以下顾客要求，设计一个合理的配方。
顾客要求:抗静电,丁苯胶,黑色,60度(Low Static, SBR, Black, 60 shore A)
配方Recipe:
Item No. Ingredient PHR
1
2
3
4
5
6
7
8
9
10
11
12

3. 我们有一个NBR配方和顾客要求如下,请判断该配方是否能够满足顾客要求,如果不能,请修改配方Please tell if the following recipe can meet the customer’s requirements，if not, please modify the recipe to meet the specification requirements.

原始配方Original Recipe    改进配方Improved Recipe
Item No. Ingredients PHR (180.3)
1 230S NBR 100
2 4010NA 1
3 RD 1
4 Zinc Oxide 5
5 Stearic Acid 1
6 Paraffin Wax 1
7 N330 23
8 N770 40
9 DOP 5
10 TMTM 0.3
11 CBS 1.5
12 Sulfur 1.5

顾客的要求如下Customer’s requirements is as follows:
Test Item Test method Unit Specification
Hardness ,Shore A ASTM D2240 　 70±5
Tensile Strength, ASTM D412 MPa ≥14
Elongation ASTM D412 % ≥250
Tear Strength,Die C ASTM D624, KN/m /
Heat resistance,70 h at 125℃ ASTM D865 　　
Change in hardness， MAX 　 points 0~+15
Change in tensile strength， MAX 　 % -25
Change in elongation， MAX 　 % -50
Compression Set(150℃x22h) ，ASTM D395 Method B % ≤30
Fluid resistance，No.IRM903 Oil,150℃，70 HOURS ASTM D471 　　
Change in hardness， ASTM D2240    Point -10
Change in tensile strength， MAX ASTM D412 % -35
Change in elongation， MAX ASTM D412 % -35
Volume change ASTM D471 % -0~25
Low temperature TR-10Max ASTM D1329-02 ℃ -20
Low temperature -35℃@5hrs.180。      　 No cracks

4. 下面是一个EPDM配方，在硫化后出模时，制品容易撕裂且不易脱模，如何改进？The parts is easy to tear and difficult to be removed after molding, please solve the problems by modifying the recipe provided.
原始配方Original Recipe    改进配方Improved Recipe
Item No. Ingredients PHR (238)
1 EPDM4045 100
2 RD 2
3 Zinc Oxide 5
4 Stearic Acid 0.5
5 N770 80
6 2280 5
7 TAIC 1.5
8 DCP 6
9

5.为了保证配方价格合理而且满足物性,重复性和工艺要求,请列出合理的配方开发步骤.Please list the compound development procedure to ensure the compound cost is reasonable and the compound meet all physical properties, repeatability and processing requirements.

工艺设计师面试技术考核
Processing Engineer Evaluation Test

姓名Name:                   出生年月 Birth Date:

现任职位 Position:             联系电话 Phone No.:

日期Date:

备注Note;
1-如果需要，可加附页You may attach additional sheet as necessary
2-如果需要,可做必要的假设 Please make necessary assumptions to answer the questions.

1)你以前用过哪几种压机,说明压机的特性和能力. What type of presses have you used in the past; describe the specific features / capabilities.

2)工艺工程师应如何参与新模具的设计和加工？新模具进厂后如何建立稳定的生产工艺？ How do the process engineer participate the design and manufacturing of the tool? How to set up the stable process with new tools.

3)请画一个草图举例说明你以前是如何通过修改模具改善成型工艺的.Please draw a simple sketch of a tool revision where you made a suggestion to make the molding process better?

4)作为一个工艺工程师,请提出一个新模具预防性维护的方案As a process engineer, what are your recommendations for developing a solid preventive maintenance program on new tools?

5)请列出解决下列生产问题的步骤和方法Describe your process for trouble shooting the following production problems：
a) Non-fill缺料
b) Porosity气孔，海绵状
c) Blister包风或窝气
d) Back-grind焦边
e) Split裂缝
f) Tear撕裂

6)请详细说明如何解决胶料在压模中流动不好的问题Explain step by step how you would go about solving a material problem on the factory floor when the compound is not flowing well in a compression tool?

7)请说明你曾经做过的车间规划布局,请说明你在车间布局方面主要做了哪些工作,结果如何Describe a work cell environment you created; please explain your specific involvement and document the results.





8）常用的修边方法有几种？各种修边方法适用于哪几种场合？请对每种修边方法给出一个实例。What trimming methods are there? What application for each trimming method? Please give some examples for each trimming method.





9)请介绍一下硫化曲线MDR,说明如何用硫化曲线确定初始工艺或者调工艺,请举例说明.Explain a MDR curve and how it can benefit you when starting up a new or existing process? Please be detailed and give specific examples.
并说明如何应用硫化曲线提高生产效率？
And explain how to increase the efficiency of the molding by the curing curve.




10)根据模具结构分，产品尺寸包括哪几类？多腔模具产品尺寸出现不合格，如何分析解决？What kinds of dimensions of the parts are divided into according to the tool configure? How to analyze and resolve the dimension problems for the tool with many cavities?

11) 金属和橡胶粘合的基本原理是什么？如何分析解决生产中出现的脱胶问题？
What is the principle of the adhensive between the insert and compound? How to solve the separation between the insert and compound?

12)假如有一个新产品需要做生产准备，计划产量每年600万件，模具64腔，尺寸600*600，硫化温度是180度，硫化时间300秒，采用工具自动装料和自动脱模的工艺生产，硫化设备采用抽真空350T平板硫化机，请按照APQP要求做一个完整的生产准备计划。

13)有一个产品（A18989-01）的模具结构如图所示，硫化体系采用过氧化物硫化体系，硫化温度是180度，时间300秒，手工脱模，脱模时在点A处产品容易撕裂，请分析一下产生撕裂的原因，并提出改进方案。
The tool configure (18989-01) of a part is as following ,the curing agent is peroxide, the parts are easily torn at the corner(A), please analyze the potential reasons and give your improvement plan

科大创新 · 发表于 2009-5-18 14:01:58

听到考试就害怕。
60分万岁。

LunZi · 发表于 2009-5-18 14:02:30

居然没人回复，应该可以试试，谢谢楼主

BLADDER · 发表于 2009-5-18 14:04:44

下在资料要花分分的，，，都舍不得呢．．贴出来看看．．．回答下

龙行天下 · 发表于 2009-5-18 14:13:02

就是,分分不多.......

zhanglei042 · 发表于 2009-5-18 14:21:07

看看撒！看能得多少分！

kongz217 · 发表于 2009-5-18 14:33:44

资料不错的，谢谢楼主。。。

zhanglei042 · 发表于 2009-5-18 14:36:27

真的不错！就是不知道楼主有没有答案阿

feng2148 · 发表于 2009-5-18 14:46:28

有答案一起发出来啊，要不大家怎么知道得了多少分啊？？？？？？

海纳百川 · 发表于 2009-5-18 14:57:21

配方师面试技术考核
Chemist Interview Evaluation Test

姓名Name:                   出生年月 Birth Date:

现任职位 Position:             联系电话 Phone No.:

日期Date:

备注Note;
1-如果需要，可加附页You may attach additional sheet as necessary
2-如果需要,可做必要的假设 Please make necessary assumptions to answer the questions.
1. 请根据提供的资料，设计一个满足要求的配方Please develop a compound recipe that will meet all the following physical property requirements.
ASTM Specification    SAE  J200  M4AA717A13B13C12F17
Additional Information Natural rubber
Test Item Test method Unit Specification
Hardness ,Shore A ASTM D2240 　 70±5
Tensile ASTM D412 MPa ≥17
Elongation ASTM D412 % ≥300
Tear Strength,Die C ASTM D624, KN/m /
Heat resistance,70 h at 70℃ ASTM D573 　　
Change in hardness， MAX 　 points +10
Change in tensile strength， MAX 　 % -25
Change in ulimate elongation， MAX 　 % -25
Compression Set(70℃x22h) ASTM D395 Method B % ≤25
Resistance to Ozone ASTM D1171 　　
Quality Retention Rating, min,    Method B % 85
Low -temperature resistance, ASTM D2137, 　　
Nonbrittle after 3 min at -40℃    Method A 　 pass

Recipe配方:
Item No. Ingredient PHR
1
2
3
4
5
6
7
8
9
10
11
12

2. Please develop a recipe based on the following application requirement.请根据以下顾客要求，设计一个合理的配方。
顾客要求:抗静电,丁苯胶,黑色,60度(Low Static, SBR, Black, 60 shore A)
配方Recipe:
Item No. Ingredient PHR
1
2
3
4
5
6
7
8
9
10
11
12

3. 我们有一个NBR配方和顾客要求如下,请判断该配方是否能够满足顾客要求,如果不能,请修改配方Please tell if the following recipe can meet the customer’s requirements，if not, please modify the recipe to meet the specification requirements.

原始配方Original Recipe    改进配方Improved Recipe
Item No. Ingredients PHR (180.3)
1 230S NBR 100
2 4010NA 1
3 RD 1
4 Zinc Oxide 5
5 Stearic Acid 1
6 Paraffin Wax 1
7 N330 23
8 N770 40
9 DOP 5
10 TMTM 0.3
11 CBS 1.5
12 Sulfur 1.5

顾客的要求如下Customer’s requirements is as follows:
Test Item Test method Unit Specification
Hardness ,Shore A ASTM D2240 　 70±5
Tensile Strength, ASTM D412 MPa ≥14
Elongation ASTM D412 % ≥250
Tear Strength,Die C ASTM D624, KN/m /
Heat resistance,70 h at 125℃ ASTM D865 　　
Change in hardness， MAX 　 points 0~+15
Change in tensile strength， MAX 　 % -25
Change in elongation， MAX 　 % -50
Compression Set(150℃x22h) ，ASTM D395 Method B % ≤30
Fluid resistance，No.IRM903 Oil,150℃，70 HOURS ASTM D471 　　
Change in hardness， ASTM D2240    Point -10
Change in tensile strength， MAX ASTM D412 % -35
Change in elongation， MAX ASTM D412 % -35
Volume change ASTM D471 % -0~25
Low temperature TR-10Max ASTM D1329-02 ℃ -20
Low temperature -35℃@5hrs.180。      　 No cracks

4. 下面是一个EPDM配方，在硫化后出模时，制品容易撕裂且不易脱模，如何改进？The parts is easy to tear and difficult to be removed after molding, please solve the problems by modifying the recipe provided.
原始配方Original Recipe    改进配方Improved Recipe
Item No. Ingredients PHR (238)
1 EPDM4045 100
2 RD 2
3 Zinc Oxide 5
4 Stearic Acid 0.5
5 N770 80
6 2280 5
7 TAIC 1.5
8 DCP 6
9

5.为了保证配方价格合理而且满足物性,重复性和工艺要求,请列出合理的配方开发步骤.Please list the compound development procedure to ensure the compound cost is reasonable and the compound meet all physical properties, repeatability and processing requirements.
工艺设计师面试技术考核
Processing Engineer Evaluation Test

姓名Name:                   出生年月 Birth Date:

现任职位 Position:             联系电话 Phone No.:

日期Date:

备注Note;
1-如果需要，可加附页You may attach additional sheet as necessary
2-如果需要,可做必要的假设 Please make necessary assumptions to answer the questions.

1)你以前用过哪几种压机,说明压机的特性和能力. What type of presses have you used in the past; describe the specific features / capabilities.

2)工艺工程师应如何参与新模具的设计和加工？新模具进厂后如何建立稳定的生产工艺？ How do the process engineer participate the design and manufacturing of the tool? How to set up the stable process with new tools.

3)请画一个草图举例说明你以前是如何通过修改模具改善成型工艺的.Please draw a simple sketch of a tool revision where you made a suggestion to make the molding process better?

4)作为一个工艺工程师,请提出一个新模具预防性维护的方案As a process engineer, what are your recommendations for developing a solid preventive maintenance program on new tools?

5)请列出解决下列生产问题的步骤和方法Describe your process for trouble shooting the following production problems：
a) Non-fill缺料
b) Porosity气孔，海绵状
c) Blister包风或窝气
d) Back-grind焦边
e) Split裂缝
f) Tear撕裂

6)请详细说明如何解决胶料在压模中流动不好的问题Explain step by step how you would go about solving a material problem on the factory floor when the compound is not flowing well in a compression tool?

7)请说明你曾经做过的车间规划布局,请说明你在车间布局方面主要做了哪些工作,结果如何Describe a work cell environment you created; please explain your specific involvement and document the results.





8）常用的修边方法有几种？各种修边方法适用于哪几种场合？请对每种修边方法给出一个实例。What trimming methods are there? What application for each trimming method? Please give some examples for each trimming method.





9)请介绍一下硫化曲线MDR,说明如何用硫化曲线确定初始工艺或者调工艺,请举例说明.Explain a MDR curve and how it can benefit you when starting up a new or existing process? Please be detailed and give specific examples.
并说明如何应用硫化曲线提高生产效率？
And explain how to increase the efficiency of the molding by the curing curve.




10)根据模具结构分，产品尺寸包括哪几类？多腔模具产品尺寸出现不合格，如何分析解决？What kinds of dimensions of the parts are divided into according to the tool configure? How to analyze and resolve the dimension problems for the tool with many cavities?

11) 金属和橡胶粘合的基本原理是什么？如何分析解决生产中出现的脱胶问题？
What is the principle of the adhensive between the insert and compound? How to solve the separation between the insert and compound?

12)假如有一个新产品需要做生产准备，计划产量每年600万件，模具64腔，尺寸600*600，硫化温度是180度，硫化时间300秒，采用工具自动装料和自动脱模的工艺生产，硫化设备采用抽真空350T平板硫化机，请按照APQP要求做一个完整的生产准备计划。

13)有一个产品（A18989-01）的模具结构如图所示，硫化体系采用过氧化物硫化体系，硫化温度是180度，时间300秒，手工脱模，脱模时在点A处产品容易撕裂，请分析一下产生撕裂的原因，并提出改进方案。
The tool configure (18989-01) of a part is as following ,the curing agent is peroxide, the parts are easily torn at the corner(A), please analyze the potential reasons and give your improvement plan

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