EDUCATION FILE

01 - APRONS

 

1.1. DIMENSIONING METHODS

1.1.1. Dimensioning methods for aprons.

1.1.2. Dimensioning methods for open aprons.

1.2. INFORMATION ABOUT THE USAGE OF APRONS

1.3. THE RELATION OF "X THEORY" WITH THE APRONS

1.4. THE INFLUENCE OF THE APRON THICKNESS VARIATION TO THE YARN QUALITY (USTER) VALUES

1.4.1. What is the standard for apron thickness variation?

1.4.2. A study about the influence of apron thickness standard to the yarn uster values.

1.5. OPEN APRONS AND REASONS WHICH EFFECT THE RUNNING BEHAVIOUR

1.6. STORAGE AND MAINTENANCE OF APRONS

02 - COTS

 

2.1. PRODUCTION PARAMETERS CONSTITUTING COT QUALITY

2.2. WHY SHOULD ALU-FIT COTS BE PREFERRED?

2.3. SPECIFICATIONS OF ALU-FIT COTS

2.4. PARAMETERS FOR THE CHOICE OF COTS

2.5. FITTING OF THE COTS

2.5.1. Basic principles of cot mounting.

2.6. DIMENTIONING METHODS FOR ALU-FIT COTS

03 - GRINDING OF THE COTS

 

3.1. WHY GRINDING?

3.2. WHEN TO GRIND?

3.3. HOW MUCH TO GRIND OUT?

3.4. WHAT ARE THE PROBLEMS OF CONICAL, CONCAVE, EXCENTRICITY, ROUGHNESS,

       STONE CUT DURING GRINDING?

3.5. CHOICE OF THE GRINDING STONE AND MOUNTING

3.6. LEVELLING OF THE STONE

3.7. MAINTENANCE OF THE GRINDING MACHINE

3.8. NECESSARY EQUIPMENT NEEDED IN GRINDING ROOM

3.9. TESTING METHODS AFTER GRINDING

3.9.1. Measuring value "Ra" for the surface uniformity.

3.9.2. Measuring of the excentricity of the cot.

3.9.3. Excentricity control of the drawframe cylinder roller.

3.9.4. Measuring of the shore hardness

3.10. SURFACE TREATMENTS AFTER GRINDING

3.11. APPLICATION EXAMPLI FOR GRINDING OF THE INTERSECTING CYLINDERS

04 - CONDENSER RUBBING HOSE

 

4.1. EFFECTS OF CONDENSER RUBBING HOSES TO YARN QUALITY

4.2. TECHNICAL PROPERTIES, ECONOMIC ADVANTAGES

4.3. MOUNTING OF THE CONDENSER RUBBING HOSES

4.4. SIZING METHOD

4.5. MAINTENANCE AND STORING

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