Kern Roy American Machinist 02-01-2001 Ask Roy Byline: Kern Roy Volume: 145 Number: 2 ISSN: 10417958 Publication Date: 02-01-2001 Page: 94 Type: Periodical Language: English Q We use a considerable quantity of helical springs in various applications.

Kern Roy

American Machinist

02-01-2001

Ask Roy

Byline: Kern Roy
Volume: 145
Number: 2
ISSN: 10417958
Publication Date: 02-01-2001
Page: 94
Type: Periodical
Language: English

Q We use a considerable quantity of helical springs in various applications. the same of these is valve springs for diesel engines. through the whole extent of the years, heat setting and projectile peening have helped extend valve-spring life, moreover now and then, we make no use of a valve spring, which ofttimes means a lost engine.

We specify 9254 valve-spring quality, still we need a way to improve valve-spring life. Would you give us your considerations as to how we

...