GB/T 12362-2016 Translated English of Chinese Standard. (GBT12362-2016): Steel die forgings -- Tolerance and machining allowance [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2020/06/06 - 29 ページ This standard specifies the tolerances, machining allowance grades, technical content of steel die forgings. This standard applies to structural steel die forgings, which are produced by forging hammers, hot die forging presses, screw presses, flat forging machines and other forging equipment. Forgings of other steel grades can also make reference to this standard. This standard applies to forgings, which have a mass less than or equal to 500 kg and a length (maximum dimension) less than or equal to 2500 mm. |
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多く使われている語句
allowable deviation coaxiality tolerance Connecting rod curved parting line deformation tolerance determined from Table determined in Table deviations are distributed error factor is M1 factor M1 M2 Figure 17 flash and cut-in-depth flat forgings forging drawing forging Figure Forging mass kg Forging material factor forging tolerances forgings Unit GB/T height tolerances lateral residual flash length and width limit deviations line Figure Longitudinal burr lower deviation machining allowance grades mass mf material factor M1 Ordinary Tolerance Outer contour Figure precision-press procedure proportion of 2/3 residual flash tolerance rule is smaller select the tolerance shape complexity factor shape of forgings standard Steel die forgings straight parting line structural steel surface of forgings surface roughness Table 15 Table checking method thickness dimension Thickness tolerance Tolerance and machining tolerance is determined tolerance of flat tolerance of forgings Tolerances and limit Tolerances of length unformed Unit in mm upper and lower upsetting various tolerances width diameter