Patent ID: 9102019
Filing Date: 2015-08-11
Classification: B21J,B23B,B23P,Y10T

Abstract:
1. A process for joining parts together comprising: (i) positioning and temporarily clamping parts to be joined together; (ii) drilling a number (n) of pilot holes through the temporarily clamped parts, wherein the number (n) of pilot holes is less than a total number (N) of holes required to be drilled to allow the parts to be joined together by permanent fasteners; (iii) installing temporary fasteners in the number (n) of pilot holes; (iv) drilling a remaining number (η) of holes that are required in addition to the number (n) of pilot holes to achieve the total number (N) of holes required for the parts to be joined together by permanent fasteners; and (v) installing permanent fasteners in the number (n) of pilot holes and the remaining number (η) of holes drilled in step (iv) to thereby permanently join the parts together, wherein step (v) includes removing the temporary fasteners installed in the number (n) of pilot holes by drilling and thereafter installing permanent fasteners therein.