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Define the Basic Components of an N.C System
The basic components of an N.C system are as follow:
a) Programmer of Instruction: - It is a set of direction which will tell the machine tool what to do. It is coded in numerical or symbolic form on some type of input medium such as one inch wide.
b) Machine controller unit (M.C.U):- It consists of the electronics and hardware that read and interpret the program of instruction and convert it in to mechanical action of the machine tool.
c) Machine tool or other controlled process: - It performs the useful work. A machine tool consists of the following.
1) Work table and work fixtures
2) Spindle
3) Cutting tools
4) Motors and controls for drives
5) Other auxiliary equipment needed in machining operation.
Find the minimum weight to keep equilibrium: A belt supports the two weights W 1 an d W 2 over a pulley as shown in the figure given below. If W 1 = 1000N, fi
Steel Rule: A steel rule is used to measure length. It has two scales - in millimeters and inches. These rules are available in market in discrete lengths such as 15, 30, 60 cms.
Problem A cat walks along a uniform plank that is 5.00 m long and has a mass of 9.00 kg. The plank is supported by two sawhorses, one 0.500 m from the left end of the board a
(a) Compare otto, Diesel and Dual combustion cycle on the basis of compression ratio, same compression ration and same Heat input and constant maximum pressure and heat supplied.
Cross Belt Drive: When shafts are rotating in the opposite direction, cross belt drive can be obtained. Figure In the diagram given to us pulley 'A' is called as
Comprehensive Awareness: Successful entrepreneurs should have ability to comprehend complex situations that may include planning, making strategic decisions, and working on multip
Pole core and pole shoe The pole cores are made of steel laminations that are insulated from each other and riveted together. Every pole core has a pole shoe having a curved su
Use of hartung governor
Determine: Reaction forces at the supports The shear and moment diagrams The location and value of the maximum shear and moment The cross section is an angle section as given in
parllelo gram law
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