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1)  radial internal clearance
径向内隙
2)  theoretical radial internal clearance
理论径向内隙
3)  radial clearance
径向间隙
1.
The influence of radial clearance of sliding bearing on superheat failure of bearing Liang Baoying;
滑动轴承径向间隙对轴承过热故障的影响
2.
The radial clearance of tLhe big joumal bearing in rock bit's bearing system is of great importance to the service behavior of the bit.
从润滑理论的分析表明,最小油膜厚度随半径间隙变化的幅度很小;从接触力学理论的分析表明,适当减小径向间隙值,可以降低轴承接触压力峰值;从摩擦发热角度的分析表明,减小配合间隙可以降低摩擦发热和磨损量;普通合金钢滑动轴承半径间隙值不小于0。
3.
Taking the manufacture clearance into consideration under the special torque load and a constant speed,the right radial clearance of roller bearing is solved out through selecting among roller bearings with different radial clearances and making a summary of the analyzing results.
在一定转速和载荷作用下,通过选取不同的滚针轴承径向间隙,并考虑加工情况进行分析计算,对结果进行总结,找出适合的行星齿轮滚针轴承径向间隙,并在试验中进行了验证。
4)  radial clearance
径向游隙
1.
Rational selection of radial clearance of rolling bearing;
滚动轴承径向游隙的合理选择
2.
Measurement and mating methods of radial clearance of spherical roller bearings;
调心滚子轴承径向游隙的测量和配套方法
3.
Influence of inner ring double raceways centre distance of self-aligning roller bearing on radial clearance
调心滚子轴承内圈两滚道中心距对径向游隙的影响
5)  radial gap
径向间隙
1.
The analysis on the radial gap of the axial flow fan;
轴流式通风机径向间隙的分析
2.
Theoretical analysis of fluid flow within radial gap in balancing disk of multi-stage-section pump;
多级泵平衡盘径向间隙流动的理论分析
3.
The work is detailed and complex to replace the rotary blades and the stationary blades,and the key question is how to determine the shape size of blades to ensure the radial gap.
动叶片和静叶片是通风机的核心部件,在生产现场更换动叶片和静叶片是一件细致而复杂的工作,其关键问题是如何确定叶片的形状尺寸以保证其径向间隙。
6)  radial internal clearance
径向游隙
1.
The article discusses the influenced factors of rolling bearing’s radial internal clearance,and fixes the optimal working radial internal clearance of offset printing cylinder’s rolling bearing.
首先分析了影响滚动轴承径向游隙的因素,然后根据印刷要求,确定了胶印机滚筒滚动轴承的最佳工作游隙值,最后计算了不同印刷条件下该轴承的装配游隙。
2.
Through analyzing relative factors of effecting radial internal clearance and effecting degree to matching, so that relative size parameters were controlled, matching quality was raised.
调心滚子轴承配套时,受多种因素影响,通过对影响径向游隙的相关因素进行分析,来判断其影响程度,以便控制相关尺寸参数,提高配套质量。
3.
In order to increase the match quality of radial internal clearance for deep groove ball bearing,the factors of influencing radial internal clearance were analyzed,the quality was ensured with reasonable effective ways.
为了提高深沟球轴承径向游隙的合套质量,分析影响径向游隙的原因,采取合理有效的方法确保合套后的径向游隙质量。
补充资料:-戊内酯、3-甲基丁内酯、咖吗-戊内酯
CAS: 108-29-2
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃

中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯

英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton

性质描述: 无色至微黄色液体。凝固点-31℃,沸点205-206.5℃,83-84℃(1.73kPa),相对密度(25/25℃)1.0578,折光率(nD25)1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。

生产方法: 由不饱和羧酸通过闭环反应来合成,例如乙酰乙酸与硫酸共热,或乙酰丙酸在镍、铜等催化剂存在下加氢。

用途: γ-戊内酯有较强的反应能力,可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂,用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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