| 单词 | high-speed steel |
| 例句 | Most of the grains that are used in foods like breakfast cereals, corn chips and crackers are milled by high-speed steel rollers. How ‘Fast Carbs’ May Undermine Your Health 2020-04-14T04:00:00Z Molybdenum high-speed steel is more expensive than tungsten high-speed steel, but is said to wear better. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide The speeds given in this table represent results obtained with tools made of a good grade of high-speed steel properly heat-treated and correctly ground. Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. For annealing high-speed steel, some makers recommend using ground mica, charcoal, lime, fine dry ashes or lake sand as a packing in the annealing boxes. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Tools, made of high-speed steel, and of the proper shapes, were properly dressed, treated, and ground. The Principles of Scientific Management The successful manufacture of high-speed steel can only be obtained by those companies who have become specialists. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The complex hardenites in high-speed steel may be described as that form of solid solution which gives to it its cutting efficiency. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The cutter a is a piece of high-speed steel beveled on the cutting end to produce a keen edge. Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. The only true test for a brand of high-speed steel is the service that it gives by continued performance month in and month out under actual shop conditions. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel It is not the intention to make any definite recommendations as to heat-treating of high-speed steel by the users. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Do not soak high-speed steel at high heats. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel A larger furnace for high-speed steel is given in Fig. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The high-speed steel cutter is ground to take a side cut on the end of the bar. Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. The quality of high-speed steel is dependent to a very great extent upon its structure. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel For other makes of high-speed steel used in lathe and planer tools the makers recommend that the tools be cut from the bar with a hack saw or else heated and cut with a chisel. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Special points of caution to be observed when hardening high-speed steel. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The muffle furnace is used for hardening dies, taps, cutters and similar Page 188 tools of either carbon or high-speed steel. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Vanadium was first introduced in high-speed steel as a "scavenger," thereby producing a more homogeneous product, of greater density and physical strength. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The Latrobe Steel Company make a high-speed steel without tungsten, its red-hardness properties depending on chromium and cobalt instead of tungsten. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The manganese and silicon contents are relatively unimportant in the percentages usually found in high-speed steel. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel In order that good high-speed steel may be furnished in finished bars, it must be of correct chemical analysis, properly melted and cast into solid ingots, free from blow-holes and surface defects. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel A knowledge of conditions existing today in the manufacture of high-speed steel is essential to steel treaters. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The manufacture of high-speed steel represents the highest art in the making of steel by tool-steel practice. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The rolling of high-speed steel is an art known to very few. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The manufacturer of high-speed steel knows and appreciates the troubles and difficulties that may sometimes arise in the heat-treating of his product. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The cyanide bath is, of course, not available for high-speed steel because of the very high temperatures necessary. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel When we say "tool steel," we nearly always refer to carbon-tool steel, high-speed steel being usually designated by that name. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel |
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