An example of how the APT language would be used on a part is shown in Figure 32-35. Essentially, it is necessary to tell the computer the location of a center of the bolt hole circle or one of the holes in the circle with respect to a zero point, the number of holes in the circle, and the radius
An example of how the APT language would be used on a part is shown in Figure 32-35. Essentially, it is necessary to tell the computer the location of a center of the bolt hole circle or one of the holes in the circle with respect to a zero point, the number of holes in the circle, and the radius of the circle. Numerals 18,10, and 1 (457.2,254,25.4) are X, Y, and Z coordinates for table and tool. Numeral 40 is table movement rate. Numeral 12 is feed rate for drill. Numeral 45 is 45° of rotation. Numeral 7 is the instruction for seven duplicate holes to be drilled. Calculate the location of hole number 6 in X and Y English numbers.
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From the drawing: The center of the bolt hole circle is at X = 12 in, Y = 10 in, t…View the full answer
Related Book For 
Materials and process in manufacturing
9th edition
Authors: E. Paul DeGarmo, J T. Black, Ronald A. Kohser
ISBN: 978-0471656531