The following are major factors. Assembling Unit I MODES OF HEAT DISSIPATION The losses appear as heat and therefore the temperature of every affected part of the machine rises above the ambient medium which is.
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Selection of factor of safety 7.
. Its follows stages like concept modeling bill of material selection part design optimization with FEA tools analyzing static dynamic loads noise vibration foundation loads analyzing for fatigue cree. E Avoid very thin sections. Some of the common design considerations are as follows.
The machining process in a component increases its overall cost. Types of Design Engineering Materials. Modification of dimensions 9.
Stiffness or rigidity. In the design of an industrial plant the methods which will be used for plant operation and control help determine many of the design variables. In order to create this force electrical machine designers should concentrate on the 5 major considerations in electrical machines.
Machine design has a strong effect on both accuracy and on removal rates achievable in grinding. A Always keep stressed areas of the part in compression b Round all external corners c Whenever possible the section thickness throughout should be held as uniform as possible dAvoidconcentration of metal at thejunctionas the same is likely to result in shrinkage cavity or a blow hole. Preparation of design report 4.
Figure 1310 additionally demonstrates the benefits of machine stiffness coupled with the benefits of high-precision hydrostatic bearings. Some effects are described in Chapter 10The benefits of a stiff machine include the faster achievement of size and roundness tolerances. Successful mechanical design and engineering is environment and process dependent.
Determination of dimensions 8. The machine should be rigid enough so that under the effect of applied forces for which it is designed there is no deformation of the machine or machine elements beyond the specified limits. DESIGN PROCEDURE 1.
The motion of machine parts or kinematics. Important considerations in Machine Designâ. Every machine component have a risk to cuts and scratches during grinding.
First of all make a complete statement of the problem indicating the need aim or purpose for which the machine is to be designed. The following are general considerations in designing machine components. PRINCIPLES OR DESIGN CONSIDERATIONS.
There are many factors that affect the design. When a new machine concept is underway there is no fixed design in place due to the many options the new machine is viable to. For example the extent of instrumentation.
General Considerations in Machine Design Designing machine components or assembly needs to consider various factors on these factors or Standard Data final product is designed. 1 Product scope intent and complexity 2 Time to market 3 Cost 4 Product Competitive Environment 5 Organization infrastructure 6 Design engineering and manufacturing tools. EE 6604 â DESIGN OF ELECTRICAL MACHINES UNIT â I.
A while designing a forging advantage should be taken of direction of fiber lines b the forged component should be provided with an adequate draft for easy removal of. Several structural design considerations should be taken into account for economical and efficient welding. Determination of mode of failure 6.
Many of these apply to other joining methods and all apply to both subassemblies and the. RAJASEKARAN-ASPEEE THERMAL CONSIDERATIONS 1. Definition of problem 2.
However the general procedure to solve a design problem is as follows. Selection of material 5. General Design Considerations The development of a complete plant design requires consideration of many different factors such as.
Casting and forging components are more cheaperSo as far as for the sake of industrythe machining should be neglected. Type of load and stress due to load The load on a machine component can act in many ways due to which internal stresses establish. Machine design is more like currency because both fluctuate with differences like time.
While machine design a designer need to go through a budget with above considerations its probable production qty machine service life. These options can spark modifications therefore you have to keep a liberal mind for such considerations. Preparation of drawings 10.
Conformance to Standards 11. Imposing the following design factors in electrical machine design is important for developing a good machine. Magnetic circuit Electric circuit Dieelectric circuit Designing thermal Circuit Designing mechanical parts.
Select the possible mechanism or group of mechanisms which will give the desired motion. If there is excessive deformation there are chances of the failure of the machine elements and the whole machine. Friction and Wear 13.
Analysis of forces 4.
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