ill. 2—Straightening Hupp connecting rods after primary millingoperation and before machining. Note inspection gage. .3—Four-headed Colburn drill which drills andreams urist pin and large bearing hole on same jig. Note rails for jig permitting them to be rolled fromspindle to spindle and back… … ^ u ^ ^ ^* through at the same time, on a Milwaukee miller which faces the bearing cap bolthole bosses. The rods are loaded in one fixture while the other is in operation, allowing the machine towork continuously. Q—Allen radial machine drilling angular holes through piston jyin bolt hole boss.J u…
Automobiles · Aeronautics
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