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Skeleton pattern
A skeleton of the pattern made of strips of wood is used for building the final pattern by packing sand around the skeleton. After packing the sand, the desired form is obtained with the help of a stickle as shown in Figure.8. The type of skeleton to be made is dependent upon the geometry of the work piece. This type of pattern is useful generally for very large castings, required in small quantities where large expense on complete wooden pattern is not justified. It is shown in figure.
Figure- Skeleton Pattern
Di fferentiate between strength of material and engineering mechanics Sol.: Three primary areas of mechanics of solids are statics, dynamics and the strength of materials.
What is Drilling It is an operation by which holes are produced in solid metal by means of revolving tool known as „Drill?. The various operations on drilling machine.
SHIELDED METAL ARC WELDING (SMAW) It also known as Manual Metal Arc Welding (MMAW). The heat required for welding is generated by the electric arc formed between metallic elect
design a car to be build by balsa wood trusses, the car has to be with in a specific dimension, calculations of forces on members and nodes using method of joints need to be done a
What is STEP The STEP (Standard for External Representation of Product Data) project is supported by the ISO workgroup TC 184/SC4. it is also sometimes called Standard for Exch
design criteria for chain drives
example on operation sheet?
Calculation for Stress-strain carves: After reaching point D, if bar is strained further, a local reduction in cross section occurs in gauge length (that is, formati
(a) A circular cylinder of mass M and radius R connected by a spring of stiffness ‘K'. It is free to roll on horizontal surface without slipping. Calculate the natural frequency.
Initia l Tension in The Belt: Let T o = initial tension in belt T 1 = Tension in tight side T 2 = Tension in slack side T C = Centrifugal Tension in belt T
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