We take further steps to choice the proper geometric parameters (the main angle r_o = 30°, a_0=15°) and the cutting variables in turning operations (roughing cut: v = 200-300m/min, f=0.3-0.5mm/r; semi-finishing cut: v=350-500m/min, f=0.08-0.1mm/r) in experiments.
The best turning tools and parameters of lathe manufacturing magnesium alloy chips are the 31003C with depth of cut 3.5mm and amount of feed 0.4mm, and the 31303C with depth of cut 3 mm and amount of feed 0.3mm.
In this note we prove that the corner cutting procedure preserves continuity properties, i.e., a sequence of polygons obtained in this way belongs to the Lipschitz class of the same constant and exponent.
A branch-and-price algorithm for solving the cutting strips problem
After giving a suitable model for the cutting strips problem, we present a branch-and-price algorithm for it by combining the column generation technique and the branch-and-bound method with LP relaxations.
Effects of Cutting Density on Growth, Yield and Quality of Poplar Clone Seedlings
In order to identify the optimum cutting density for producing the highest number of plantable seedlings of poplar clones, a split-plot randomized block design was used to establish four cutting densities in plots.
Less thickness of crystal is beneficial for the resolution of strain measure, but the machining of small thickness crystal is difficult.
The result showed that the energy waste by machining at micron is much lower than by heat grind and the high quality and long-slice wood fiber was gained.
Design Method and Numerical Control Machining Principle for an Arbitrary n-polygon Noncircular Section
With more and more applications of glass in advanced fields of science, the demand for glass machining precision has increased greatly.
To improve the machining precision of part surfaces and to facilitate tool design and cutting parameter selection, the initiation and propagation laws of glass cracks in specimens subjected to normal loading by symmetric wedges were investigated.
A cutting orchard of 0.33 hm2 on the hillside was constructed to intensively produce cuttings according to the tests on construction methods, pruning, and fertilization.
By analyzing the wearing characteristics of the cutter, a cutting force model based on the major flank wear land area is established.
According to this theory, a layer being removed and a cutting edge are considered as acoustic resonators excited by a flexural mode.
A basic design of a cutting tool is proposed and shaping motions in machining monoimpeller intervane passages with this tool are determined.
The present study examined the temporal responses and the efficacy of192Ir-HDR endovascular irradiation for preventing smooth muscle cell proliferation of rabbit iliac arteries after PTA with a cutting balloon catheter.