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Technical Paper

Quality Improvement of Manual Riveting Machine Process

1995-05-01
951188
Since riveting operations on airplane panels are usually performed manually by skilled workers and unrecoverable tolerances or errors are possible. In this paper, a semi-automated riveting system, which improves the product quality, and reduces cost, is proposed. The system setup is illustrated while related technology is described. The system uses optical equipment along with computer vision technology to assist riveting operators to find the locations of the rivets automatically, which may help reduce some setup procedures for riveting operations.
Technical Paper

Study of Drill Tool Geometry in High Speed Drilling of Aluminum Sheet Metal

1999-06-05
1999-01-2295
The present scenario of increasing the production rates in drilling demands high speed drilling while at the same time maintaining the quality of the drilled holes. Of the many factors that affect the high-speed drilling process, such as speed, feed rate, material of drill and work piece, and drill geometry this study attempts only to study the effect of drill geometry in high-speed drilling of aluminum sheet metal. In the Experiments conducted, different speeds, feed rates and drill bits of varying geometry are utilized in order to study their effects on hole quality as it relates to hole diameter and burr formation. Also the variation of thrust and torque with increase in speed over a speed range of 6,000 to 30,000 rpm has been studied.
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