Toughest conditions

Xem 1-3 trên 3 kết quả Toughest conditions
  • Tham khảo sách 'rolling bearing damage recognition of damage and bearing inspection', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf76p trinh02 23-01-2013 23 7   Download

  • Rolling bearings are machine elements found in a wide field of applications. They are reliable even under the toughest conditions and premature failure is very rare. The first sign of rolling bearing damage is primarily unusual operating behaviour of the bearings. The examination of damaged bearings reveals a wide and varied range of phenomena. Inspection of the bearings alone is normally not enough to pinpoint the cause of damage, but rather the inspection of the mating parts, lubrication, and sealing as well as the operating and environmental conditions.

    pdf76p ktcn_1 17-07-2012 38 5   Download

  • It may have already occurred to you that this "toughest job you'll ever love seems almost impossible. Look at some of the obstacles you may be facing. Your students are numerous; many may be older than you. Textbooks are scarce, and again, many may be older than you. The physical conditions are austere, with a tin roof that creaks as the temperature rises and obliterates all other sound when the rains come. Pictures and posters disappear from the classroom walls. Desks are too few. The blackboard has been worn to a light grey and chalk stubs are...

    pdf64p commentcmnr 03-06-2013 33 9   Download

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