通过沿着螺旋槽刻划针的振动,声音被记录到传统的唱片上。
Sounds are recorded on ordinary records by etching the vibrations of a needle along a spiraling groove.
本文概要介绍受振动载荷作用的圆柱压缩螺旋弹簧的模糊优化设计。
This paper briefly introduces the fuzzy optimum design of the cylindrical compressed screw springs under vibrating load.
将螺旋弹簧(紧密绕组朝下)放置在振动阻尼器的正确位置。
Place coil spring in the correct position-tighter winding facing down-on the vibration damper.
结果表明,利用螺旋振动抛光工艺,配合自制的抛光液,抛光后制品的表面具有较低的粗糙度和较好的光亮性。
The results show that by using self-made polishing agent, the polished products have low surface roughness and good brightness after spiral vibration polishing process.
针对铝硅合金制品的螺旋振动抛光工艺进行了研究,开发了一种成本低廉、性能良好的新型抛光剂PPG - 1。
A kind of polishing agent PPG-1 with cost-effective and high performance suitable for Al-Si alloy products was developed based on spiral vibration polishing processing.
阐述了新型螺旋振动旧砂再生成套装置的基本原理和特点,介绍了成套装置的组成、生产使用情况和良好的效果。
This paper is concerned with the basic principle and features of a new-type used sand reclaiming outfit with spiral vibration.
螺旋锥齿轮啮合时产生的附加动载荷是螺旋锥齿轮传动产生振动、噪声的主要原因。
Additional dynamic load during Spiral bevel gear meshing is main cause of vibration and noise. Based on national standard.
当从动盘的内侧有一些叫作扭转弹簧的小螺旋弹簧,这些弹簧使得从动盘中部相对从动盘毂能有轻微转动,从而吸收曲轴的扭转振动。
These springs are called torsional springs. They let the middle part of the clutch disc turn slightly on the hub. Thus, the springs absorb the torsional vibrations of the crankshaft.
总结分析了大气干扰、天气因素和平台的抖动或振动对通信的影响,提出了螺旋式扫描子空间的动态捕获、瞄准、跟踪方案。
The paper also summarizes and analyses how the atmosphere, weather and platform's sway or vibration affect the communication, presents a dynamic acquisiton, pointing and tracking scheme .
混流式水轮机尾水管内螺旋形涡带引起的压力脉动是造成混流式水轮机组振动的主要根源之一,严重威胁机组的安全运行。
For Francis turbines, the pressure pulsation in draft-tubes induced by helical vortex rope is one of the main problems and it would seriously affect the safe operation of the unit.
提出了超声研磨螺旋锥齿轮的理论与方法。 分析了超声研齿不灵敏性振动切削机理。
The paper presented the theory and method for the ultrasonic lapping of spiral-bevel and hypoid gears and analyzed its insensitive vibration cutting mechanism.
输送机按输送方式可以大致分为链状输送带、皮带输送带、螺旋状输送、滚轴式输送、振动输送和吊桶式输送等多种输送机。
Conveyer can be classified according to the conveying form into chain conveyer, belt conveyer, twist conveyer, roller conveyer, vibration conveyer buckets conveyer and so on.
唐进元,彭方进,惯性载荷对螺旋锥齿轮动态啮合特性的影响研究,振动与冲击,已录用。
Tang Jinyuan, Peng Fangjin, A Study of the Influence of Inertial Load in Dynamic Meshing Analysis of Spiral Bevel Gears, Journal of Vibration and Shock, accepted.
本文指出螺旋弹簧有偏离中心的弹性作用,是引起车辆不正常振动和摇枕纵向挡严重磨损的一个重要因素。
This paper sets forth the fact that the eccentric action of coil spring is an important factor in the causation of abnormal vibration of vehicle and severe wear on bolster guide.
这一实验结果将有助于进一步了解螺旋管管阵在横向气流激励下的振动特性。
The experimental results helped to study the dynamic characteristics of helical tube arrays in air cross flow.
按照多股螺旋弹簧的振动位移特性,以多股螺旋弹簧动态工作过程的并圈作为边界条件进行动态设计计算。
According to the vibration displacement performance, the exceed extrusion in the dynamic working process of the spring is employed as the constraint for the dynamic design and calculation.
论述了螺旋锥齿轮动力学研究的三种主要方法,即加载接触分析(LTCA)、解多维非线性方程组的方法,以及加载接触分析与周向振动模型结合的仿真分析方法。
The first method was loaded tooth contact analysis(LTCA), the second method was to solve nonlinear dynamics equation and the third method is to integrate torsional vibration model with LTCA.
实验结果表明,螺旋管管束的流体诱发振动响应与直管相比存在一定的差别; 200MW高温气冷堆蒸汽发生器的设计避免了管束的大振幅振动。
The experimental results reveal the difference between helical tubes and straight tubes on flow induced vibration, and the design for 200MW HTR steam generator avoids large amplitude vibration.
本文以集合木制螺旋桨作为启示的出发点,从而想使弹性直杆振动问题能初步臻于一个比较更一般的处理。
The aim of this paper is to give a more or less general treatment of vibration of elastic non-uniform strut, such as composite wooden screw-propeller.
分析螺旋面斜向扭转振动传动的原理和螺旋面上物料运动的规律。
This paper analyzed the movement theory of lean rotate Vibration of helical surface and the motion law of materials movement.
螺旋桨空泡会降低螺旋桨性能,产生空化剥蚀和噪声,从而导致船体振动。
Propeller cavitation degrades propeller performance, erodes blade surfaces, produces noise, and causes vibration on the ship hull.
螺旋式罗茨泵在稳定过流剪切敏感介质压力脉动质量,减少噪音、振动,避免气蚀等方面有较大改善。
Helical Roots pump has great improvements on the face of stabilizing pressure pulse quality of passing cut sensitivity medium, reducing noises and vibration, avoiding vapor fret etc.
研究螺旋桨空泡及其诱导的船体脉动压力的预报方法,对于减小其引起的船尾振动和辐射噪声是极其重要的。
It is very important to study methods for predicting propeller cavitation and induced fluctuations in order to reduce vibrations and noise on ships.
通过WVIS -ME45隔振器的轴向弹性变形来传递螺旋桨的推力,有效地控制了船舶推进系统的振动和噪声。
It is efficient to control the vibration and noise of the propulsion system since the thrust is transmitted by axial elastic deformation of WVIS-ME45 vibration isolator.
本文论述了在试验台上进行的不同叶片数螺旋桨轴系横向受迫振动实验。
The forced transverse vibration tests of a ship propeller shafting with a variety of propeller blades were carried out on a test bed.
提出螺旋锥齿轮超声振动复合研磨的方法,介绍了其原理;
The method of ultrasonic vibration lapping on the spiral-bevels and hypoid gears was first presented.
并通过模型试验进一步证实该船振动的成因主要是由于螺旋桨在不均匀流场中运转时产生的激振力所致。
It is verified by means of model test that the ship vibration is caused by the propeller-excited force, which is generated by the propeller running in the non-uniform stern flow field.
本文主要介绍由船舶螺旋桨引起的激振力以及减少振动的尾部线型设计。
The paper gives a introduction to the mechanism of exciting force induced by propeller and the stern lines design that can reduce the vibration.
本文介绍引起船体稳态振动的柴油机及螺旋桨激振力的计算方法。
This paper introduces the calculating methods of diesel engine and propeller induced forces which often result trouble in ship hull steady vibration.
本发明公开了一种振动式螺旋送料机,它是在螺旋送料机的进料端安装有弹簧座和高频振动电机。
The invention discloses a vibrating screw feeder. A feed end of the screw feeder is provided with a spring seat and a dither motor.
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