Cooling lubricants

Information about Cooling lubricants

Published on July 22, 2014

Author: bernhard0601

Source: authorstream.com

Content

Cooling Lubricants : Cooling Lubricants Used for - cooling and lubricating the cutting tool - removing the metal chips By Christopher Willems and Bastian Becker Cooling lubricants: Cooling lubricants They cause health hazards for the workers Care and maintenance cause very high costs for the firms PowerPoint Presentation: skin diseases    respiratory disease Quelle: http://www.bghm.de/uploads/pics/haut-2.jpg Health Hazards PowerPoint Presentation: Germs and fungi Nitrite ph-value Concentration Test equipment to avoid health hazard PowerPoint Presentation: Testing the pH-value : pH-value of the sample = 9.0 The target range is between 8.0 to 9.3 Higher values irritate the skin Lower values promote the growing of micro-organisms Testing nitrite content : Testing nitrite content Limit 20 mg/l Everything is pink, so everything is fine PowerPoint Presentation: nitrite content of the sample: between 40-80 ppm This one MUST be replaced Nitrite contents higher than 20 ppm cause nitrosamines. Nitrosamines are carcinogenic Testing the Concentration: Testing the Concentration Reading 5.0 Concentration 5% !!!! A view into the refractometer Concentration too high  increased bacterial growth Concentration too low  reduced cooling effect PowerPoint Presentation: Immersing the culture media The red side is for germs, the yellow one for fungi Testing the fungal and bacterial content with Agar-cultures PowerPoint Presentation: Microbial content of 10 6 KBE/ml Fungal content of 10 6 KBE/ml The result after breeding for 4 days in a dark place PowerPoint Presentation: Thank you very much

Related presentations


Other presentations created by bernhard0601

Ergonomics Thomas Esch
07. 07. 2014
0 views

Ergonomics Thomas Esch

Drinking Alcohol
07. 07. 2014
0 views

Drinking Alcohol

Cooling lubricants.pps
07. 07. 2014
0 views

Cooling lubricants.pps

Robots at Work asi
07. 07. 2014
0 views

Robots at Work asi

Healthy Living project days
22. 07. 2014
0 views

Healthy Living project days

Eating habits Elias
22. 07. 2014
0 views

Eating habits Elias