Twist drills do not make accurately sized or good finish holes; a reamer of some type is often used to cut the final size and finish. A reamer will not make the original hole; it will only enlarge a ...

Small rural farms are important for Brazilian agribusiness, but equipment suitable for distributing fertilizers on these properties is scarce. We studied a new fertilizer metering mechanism for use on ...

Centre for Chemical Biology, Department of Chemistry, Krebs Institute, University of Sheffield, Sheffield S3 7HF, U.K. *Centre for Chemical Biology, Department of Chemistry, Krebs Institute, ...

Walter USA recently added a new countersink option to its TC620 Supreme thread milling cutter lineup that features a multiple-row design for low cutting forces and excellent dimensional accuracy. Said ...

Roach, Director of Sales & Marketing, recently shared his thoughts on several topics pertaining to the fastener industry, including current trends, new designs, additive manufacturing, the ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...