Rotating Bending Fatigue Testing Machine [Japan]
YAMAMOTO METAL TECHNOS CO., LTD.
Japanese
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Contents
1.What is Metal Fatigue?
2.Does Metal Fatigue often happen?
3.What we learn from the big accidents in the past
4.Recent trend “Giga-cycle fatigue”
5.How is fatigue testing operated?
6.What is S-N curve?
7.How to utilize S-N curve?
8.What happens in the longer life regime?



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GIGA QUAD

2.Does Metal Fatigue often happen?

Talk about Dual Rotating Bending Fatigue Testing Machine -Contents-
  1.What is Metal Fatigue?
  2.Does Metal Fatigue often happen?
  3.What we learn from the big accidents in the past
  4.Recent trend “Giga-cycle fatigue”
  5.How is fatigue testing operated?
  6.What is S-N curve?
  7.How to utilize S-N curve?
  8.What happens in the longer life regime?
Mechanical structures supporting our life consist of a variety of metal products.
Then, will such metal products be NEVER fracrtured?
Yes, they WILL be fractured anyway.
When and how much does metal fracture happen?
There are 2 main factors to cause metal products to be fractured.
Please see a chart bilow.
Fracture factor
 1)Corrosion  This includes rust as you know.
 2)Strength deficiency  Fatigue Test is included.

It is said that 80% in causes of fracture accidents happening to mechanical structures is because of metal fatigue.
Classification of fracture factor
Talk about Dual Rotating Bending Fatigue Testing Machine -Contents-
  1.What is Metal Fatigue?
  2.Does Metal Fatigue often happen?
  3.What we learn from the big accidents in the past
  4.Recent trend “Giga-cycle fatigue”
  5.How is fatigue testing operated?
  6.What is S-N curve?
  7.How to utilize S-N curve?
  8.What happens in the longer life regime?
GIGA  QUAD series Dual-spindle rotating bending fatigue  testing machine
>> Contents



YAMAMOTO METAL TECHNOS CO., LTD.
Rotating Bending Fatigue Testing Machine [Japan]

4-7, Setoguchi 2-chome, Hirano-ku, 547-0034 Osaka Japan
TEL: 81-6-6704-1800 E-mail: info@yama-kin.co.jp


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