JJG (铁道) 132-1992 列车测速仪

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基本信息
标准名称:列车测速仪
中标分类: 综合 >> 计量 >> 时间、频率计量
替代情况:被JJG (铁道) 132-2005代替
发布日期:
实施日期:1993-11-01
首发日期:
作废日期:
出版日期:
页数:8页
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前言

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引用标准

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所属分类: 综合 计量 时间 频率计量
下载地址: 点击此处下载
【英文标准名称】:ISOMetricScrewThreads;CoarseandFineScrewThreadsfrom1to250mmScrewThreadDiameter;RootCross-sections,TensileStressCross-sectionsandPitchAngles
【原文标准名称】:ISO公制螺纹.第28部分:直径为1mm-250mm的粗牙螺纹和细牙螺纹.牙根部剖面、抗应力剖面和螺距角
【标准号】:DIN13-28-1975
【标准状态】:现行
【国别】:德国
【发布日期】:1975-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:标准螺纹;紧配合螺纹;尺寸;直径;螺纹;ISO螺纹
【英文主题词】:threads;isoscrewthreads;close-fitthreads;normalthreads;diameter;dimensions;screwthreads
【摘要】:ISOMetricthreadswithdiametersfrom1upto250mm;rootsections-tensilestressareas-leadanglesFiletagesmétriquesISOdediamètresde1à250mm;sectionsdenoyau-sectionsderésistance-anglesd'héliceDieseNormenth?ltdieKernquerschnitte,Spa
【中国标准分类号】:J04
【国际标准分类号】:21_040_10
【页数】:10P;A4
【正文语种】:德语


Product Code:SAE J1980
Title:Guidelines for Evaluating Out-of-Position Vehicle OccupantInteractions with Deploying Frontal Airbags
Issuing Committee:Human Biomechanics And Simulations Standards Steering Cmte
Scope:An airbag generates a considerable amount of kinetic energy during its inflation process. As a result substantial forces can be developed between the deploying airbag and the out-of-position occupant. Accident data and laboratory test results have indicated a potential for head, neck, chest, abdominal, and leg injuries from these forces. This suggests that mitigating such forces should be considered in the design of airbag restraint systems.This document outlines a comprehensive set of test guidelines that can be used for investigating the interactions that occur between the deploying airbag and the occupant who is near the module at the time of deployment. Static and dynamic tests to investigate driver and passenger systems are given. Static tests may be used to sort designs on a comparative basis. Designs that make it through the static sorting procedure may be subjected to the appropriate dynamic tests. On a specific vehicle model, engineering judgment based upon prior experience in airbag testing may make it unnecessary to conduct the tests identified by the document or may indicate that different tests should be conducted.Mild severity and moderate severity crash pulses are described in Section 5. These pulses are not vehicle-specific, but represent a general acceleration-time history that approximates what occurs with a large variety of vehicles. The mild severity crash pulse is near the threshold of many airbag deployments and represents a high-frequency accident event. Since small children are more likely than adults to be out of position due to preimpact braking, this pulse can be used for the child tests. Since preimpact braking has much less of an effect on adults, the moderate severity crash pulse can be used for adult testing. The described pulses or other vehicle specific pulses may be used.No performance limits are specified in this document. References 2.1.4 2 and 16 gives interpretations of dummy responses relative to human injury