搜索结果: 1-9 共查到“机械制造工艺与设备 Die”相关记录9条 . 查询时间(0.046 秒)
Die casting process assessment using single minute exchange of dies (SMED) method
die casting automobile industry the SMED method changeover of tools
2009/10/23
Die casting process uses high productive level machines. Machine capacity utilization is a key goal in achieving minimum time consumption. Changeover procedure during die casting process is recognized...
Die-casting dies are exposed to high thermal and mechanical loads. Thermal fatigue cracking of dies due to
thermal cycling may importantly shorten the life-time of the die. Cracks degrade the surface...
Water mist effect on cooling range and efficiency of casting die
Innovative materials and casting technologies Cooling Water mist Die Silumin
2008/7/20
This project is showing investigation results of cooling process of casting die in the temperature range 570÷100 °C with 0.40 MPa compressed air and water mist streamed under pressure 0.25÷0.45 MPa in...
Modelling of flow phenomena in the process of filling the model die mould - an application of the NovaFlow program
Die casting Turbulent flow Laminar flow Model testing Computer simulation
2008/7/10
Calculations performed by means of the calculation module NOVACAST (NovaFlow&Solid) for the selected models of cavities cast by the pressure method - are presented in the paper. The rates of filling o...
Water mist effect on heat transfer coefficient in cooling of casting die
Innovative materials and casting technologies Heat transfer coefficient Cooling Water mist Casting die
2008/5/5
This project is showing investigation results of heat transfer process between cast iron die and environment during cooling of die in the temperature range 600÷100 C with compressed air, spray water a...
An establish attempt of reasons of machining splinter formation in AC44200 alloy high pressure die castings
Foundry production process Al-Si high pressure die casting
2008/4/21
A problem of splinter formation during machining the AC44200 alloy high pressure die casting has been experimental investigated. In order to establish the reason of this occurrence a set of 200 high p...
Hot closed die forging–State-of-Art and future development
Closed die forging Process planning Near-nett forging
2007/9/30
Purpose: This paper presents an overview of the hot close-die- forging (HCDF) and aims at drawing up some new ideas and conclusions about future development of the HCDF.
Design/methodology/approach: ...
Increasing SPD effectiveness by changing deformation process in the first pass through the ECAP die
Computational material science Severe plastic deformation Amount of deformation
2007/8/30
Purpose: Purpose of this paper Technology ECAP belongs to the most efficient technologies for production of materials with ultra-fine grained structure. Its disadvantage consists in necessity to make ...
Assessment of effectiveness of water mist cooling of casting die
Innovative materials and casting technologies Heat transfer Cooling
2007/7/12
At work research findings of the process of cooling the research casting die in the range of the 600-100°C temperature were presented and of the research-production casting die while pouring the cycle...