SwePub
Sök i LIBRIS databas

  Utökad sökning

WFRF:(Dahlman Patrik 1971 )
 

Sökning: WFRF:(Dahlman Patrik 1971 ) > (2005) > High Pressure Jet A...

High Pressure Jet Assistance in Steel Turning

Dahlman, Patrik, 1971 (författare)
Chalmers tekniska högskola,Chalmers University of Technology
 (creator_code:org_t)
ISBN 917291632X
2005
Engelska.
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)
Abstract Ämnesord
Stäng  
  • Steel turning is one of the most common industrial processes today. It is a very old process, where a lot of improvements and optimisations have been done throughout history. But, the struggle for further cost reductions pushes the process development into new areas. One of those is the use of pressurised cutting fluids in order to improve the machinability of the materials. This is a process predominantly used when turning high strength materials such as titanium and Inconel alloys. In this area the Ultra High Pressure Cooling (UHPC) process is accepted and used. But, when turning steel, the method has not been acknowledged to give enough benefits to be considered. Several tests showed that UHPC indeed could be a method giving substantial cost reductions when turning steels especially for long chipping grades. An extensive experimental investigation was therefore initiated with the purpose to increase the knowledge around UHPC in steel turning. From the start the research was focused upon quick industrial implementation, which has been done continuously for every new step in the development. Tests with high-pressure jets were done, both in laboratory and in industrial application. In combination with experiments available, diversified knowledge was collected into a coherent source of information to be used as a tool for implementation.Results show significant increase in chip control, its importance is sometimes overlooked in regard to production efficiency. In fact, chip control is more important than a long tool life. Improvements in tool life have been shown with possibilities to increase the cutting velocity with resulting improvement of productivity. To reach good results using UHPC in turning, certain rules of application are required. These have been defined. Especially important is the way the jet is applied into the cutting zone. It is not possible to achieve the benefits if the jet has an erroneous direction. Jet momentum has been found as the most comprehensive way to evaluate the effect on the chip form as a function of pressure and flow.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering (hsv//eng)

Nyckelord

Jet Assistance
Tool Life
Chip Control
Turning
Ultra High Pressure Cooling
Jet Momentum

Publikations- och innehållstyp

dok (ämneskategori)
vet (ämneskategori)

Hitta via bibliotek

Till lärosätets databas

Hitta mer i SwePub

Av författaren/redakt...
Dahlman, Patrik, ...
Om ämnet
TEKNIK OCH TEKNOLOGIER
TEKNIK OCH TEKNO ...
och Maskinteknik
Av lärosätet
Chalmers tekniska högskola

Sök utanför SwePub

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

 
pil uppåt Stäng

Kopiera och spara länken för att återkomma till aktuell vy