design consideration in casting ppt

papin March 29, 2022 casting , design , in Comment

Mold cavity is produced having the desired shape and size of the part Takes shrinkage into account Single-use or permanent mold 2. The formulae of injection moulding parameters are input.

Design Consideration For Casting

It is very important for GATE mechanical exam.

. You will also need to consider the ejector pins that will eject the casting part from the die. Motion of the parts or kinematics of the machine. Materials handling will be discussed in the next chapters.

Sand casting processes are a limitation to this technique. Design of Gating System-1. The parting line should be identified on the casting drawingDetermining the position of the parting line is a critical step in the casting design.

Design of Risering System-3. In this video we will learn the following topicsa. Design of Risering System-2.

Many new casting processes have been developed which can take into consideration the aspects of dimensional accuracy and surface finish. In this project mould calculation software is developed and design. In the die casting design process metal flow is one of the most important considerations.

Maximum parting line seam flash extension material is about 015. Steps Involved in Making a Sand Casting. General design considerations of casting are as follows.

Shot Blast the Parts wherever Possible. Plant operation and control d. Design modifications to avoid defects in castings.

Design Consideration in Castings Good quality at lowest possible cost. Design of component in. Plastic part design consideration plays a significant role in designing and manufacturing a plastic component.

Design of Risering System-4. Type of load and stresses caused by the load. Up to 24 cash back Design Considerations in Metal Casting Mold and Gating System Design Directional Solidification and Troubleshooting In the previous sections we discussed the fundamental aspects of manufacturing parts by metal casting.

Attention to common requirements Changes in design to simplify casting example - Location of Parting Plane can affect. Design of component in compression than in tension. If the mold does not fill correctly it can result in defects such as visible surface flowlines and air pockets that create internal porosity in the part.

Toy cars planes etc. Ad Download 100s of Presentations Graphic Assets Fonts Icons More. The process by which a liquid material is usually poured into a mold which contains a hollow cavity of the desired shape and then allowed to solidify.

Parting line mismatch and parting line and seam flash extension allowances should nor exceed 020. Design Consideration In Casting. Some of these processes are die casting process investment casting process vacuum-sealed moulding process and shell moulding process.

Design of Risering System-5. Melting process Provides molten material at the proper temperature 3. When designing casting the most important consideration is the effects of shrinkage during cooling.

Other important factors include metal flow and porosity. 12 General Considerations in Machine Design. Avoid Very Thin Sections.

Basic design considerations of the part and the entire casting process. Provision of Fillet Radius. Therefore section changes in castings should be blended smoothly into each other.

Avoid abrupt changes in the cross-section. Different Methods to design Riser in casting is discussed. It is created to help the users to calculate the injection moulding parameters that involve in some processes.

Casting is also heavily used in the toy industry to make parts eg. Riser is defined as a reservoir for supplying molten metal to the casting cavity to compensate additional molten metal the liquid shrinkages taking place due to solidification. Design Consideration In Casting-General tips For Casting Design.

Site and plant layout c. 4 Advantages of casting. Riser Design Casting Definition.

The software is developed and design by using Microsoft Visual Basic 2008 programming. General Design Considerations The development of a complete plant design requires consideration of many different factors such as. Door handles locks the outer casing or housing for motors pumps etc wheels of many cars.

Basic Requirements of Casting Processes Six basic steps of casting 1. Whenever a Product Designer designs a plastic part it is important to take care of factors such as the moulding process selection of material mass manufacturing process and o verall area of the part around the functional need by keeping the. Number of cores use of effective gating weight of final casting method of supporting cores final dimensional accuracy.

A Casting can produce very complex. Use of External devices for strengthen the part under tension. Avoid Concentration of Metal at the Junctions.

Avoid using sharp corners and angles as they act as stress raisers and may cause cracking and tearing during solidification. Saurabh srivastava Shane alam Srikant kumar Sujeet kumar thakur Vinod rajbhar Vishvesh kumar pandey. We covered the creation of patterns and the setup of the mold and gating system.

Design of Gating System. Flow of the molten metal in the mould cavities the gating systems the rate of cooling and the gases evolved would influence the quality of a casting All casting operations share the characteristics of phase change and thermal shrinkage during the casting cycle But each process will have its own design considerations Design Considerations in Casting The general design. Health and safety h.

The term casting is commonly used for metals and the term molding is used for plastics Examples. Design of Risering System-1. Product Design Considerations in Casting - Geometric Simplicity Corners Section Thicknesses Draft.

Design Consideration For Casting