Analysis of steady vibration response of gearbox
SolidWorks software is used to complete the modeling of the whole gearbox. The gear mesh model is imported into ADAMS […]
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Study on the optimal design method of vibration reduction and noise reduction of gearbox
Gear transmission is the most widely used mechanical transmission mode, which is widely used in mechanical electronics, mining metallurgy, automobile
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Assembly of double planetary gear transmission
Double planetary gears are used in NW and NGWN planetary transmissions. For a planetary transmission with double planetary gears, in
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Assembly of general planetary gear drive
Transmission principle of this kind of planetary transmission. According to its meshing characteristics, it belongs to NGW type, which is
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Application of wavelet analysis in fault diagnosis of tractor gearbox
The tractor gearbox is a complex device in the basic components of the whole machine, and the failure rate of
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Assembly of planetary gear transmission
Planetary gear transmission is an advanced gear transmission device. Compared with fixed shaft gear transmission device, it has the advantages
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Study on reducing the noise of tractor gears
Tractor is a kind of strong noise source, which not only pollutes the environment, but also endangers the driver’s health.
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The principle of speed change of planetary gear mechanism
Because the single row planetary gear mechanism has two degrees of freedom, it has no fixed transmission ratio and can
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Structure and working principle of planetary gear mechanism
1.Basic structure of planetary gear mechanism There are many types of planetary gear mechanism, the simplest of which is composed
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Effect of heat treatment on surface structure and hardness of cast steel gears
With the continuous development of social economy, many industries gradually rise, cast steel gear is an indispensable part of all
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NGW type involute planetary gear drive
Involute planetary gear reducer is a kind of gear transmission with at least one gear moving around a fixed geometric
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Cause of fatigue crack on gearbox of high speed EMU
Based on the acceleration signal of the key parts measured under typical working conditions, the dynamic stress response on the
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Basic characteristics of planetary gear mechanism
Through the analysis of the above three kinds of transmission relations, the kinematic characteristics of simple planetary gear mechanism can
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Fracture analysis of gear box of high speed EMU
Fatigue failure is one of the most important failure modes in the use of structures. In the process of using,
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Working principle of single row planetary gear mechanism
According to the law of conservation of energy, the algebraic sum of the input and output power of the three
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Characteristics of simple planetary gear mechanism
Composition of planetary gear mechanism: Simple (single row) planetary gear mechanism is the basis of transmission mechanism. Usually, the transmission
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Application of new forming technology in China gear production
Although the traditional gear manufacturing process has been constantly improved, but it always has some inherent disadvantages. Many scholars completely
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Solutions to five common defects in gear machining
In the NC grinder processing industry, the common internal grinding includes bearing ring internal circle processing, gear internal circle processing,
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Life evaluation index system of coal mine mechanical gear transmission system
The life evaluation of coal mine mechanical gear transmission system involves many aspects such as personnel, equipment and environment. The
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Improvement of heat treatment technology in Chinese gear production technology
With the deepening of the process of industrial globalization, environmental protection is another prominent and arduous task in front of
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Material selection of spiral bevel gear
Spiral bevel gear transmission is to transmit the motion and power between any two shafts in space through the meshing
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Improvement of heat treatment technology in Chinese gear production technology
In the research of improving the quality of automobile gears, the priority should be given to the selection of materials,
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Forging process of driven spiral bevel gear of vehicle main reducer
The driven spiral bevel gear of the vehicle main reducer is forged in one heat and two times. The technological
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Research progress of gear materials and heat treatment technology in China
As one of the most basic transmission parts in the mechanical industry, gear can continuously transmit power by using tooth
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Brief introduction of forming method of driven spiral bevel gear
This paper briefly introduces the characteristics of several forming methods of driven spiral bevel gear of vehicle main reducer, and
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Control of carburizing and quenching distortion of gear and gear shaft of reducer
In the whole manufacturing process, such as design, material, forging, machining, heat treatment, grinding and so on, the distortion of
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Advantages and disadvantages of 0 ° spiral bevel gear and straight bevel gear
1、 Straight bevel gear The straight bevel gear is the simplest form of the bevel gear. Its design, manufacture, installation
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Present situation of rack and pinion drilling machine
The conventional drilling rig uses the hoisting system composed of winch, wire rope, crown block and traveling block to drive
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Failure form and analysis of spiral bevel gear in use
Gear failure generally occurs on the tooth surface, rarely in other parts. According to the basic form of gear failure
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Possible defects in heat treatment of bevel gears and preventive measures
The possible defects in the heat treatment of 20CrMnTi spiral bevel gear are as follows: 1. Uneven depth of carburized
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Six key technology upgrading of China gears industry
This part is the main content of gear technology roadmap. This paper analyzes the current situation, challenges and development goals
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Development and analysis of 20CrMnTi active spiral bevel gear processing technology
According to the technical requirements of the above parts, the following process route is hereby formulated for 20CrMnTi gear: blanking,
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Service conditions and performance requirements of the driving spiral bevel gear of the loader
1. service conditions of driving spiral bevel gear parts Gears play the role of transmitting power and changing speed in
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Seven key development areas and goals of China gears industry
1.Seven key development areas of China gears industry There are many types of gear products and wide application fields. According
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Service conditions and performance requirements of the driving spiral bevel gear of the loader
1. Service conditions of driving spiral bevel gear parts Gears play the role of transmitting power and changing speed in
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Seven major problems faced by China gears industry
During the 11th Five Year Plan period, driven by the rapid development of automobile, wind power, high-speed rail, construction machinery
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Material selection and process design of driving spiral bevel gear of loader
Loader is a kind of earth and stone construction machinery widely used in highway, railway, construction, hydropower, port, mine and
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The modulation characteristics of gear vibration signal
The common points of frequency modulation and amplitude modulation of gear vibration signal are: ① the carrier frequency is equal;
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U~Z-beginning gear processing vocabulary Chinese English comparison
U. 1． Undercut 根切 2． Undeveloped settings 试切前调整 3． Uniform roll 匀速滚动 4． Uniform velocity tester 匀速试验机 5． Uni-spand 大轮心轴
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Gear defect – tooth surface defect
1.Tear Main cause 1) Uneven material of gear blank 2) Improper heat treatment of gear blank 3) Chip accretion due
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T-beginning gear processing vocabulary Chinese English comparison
1． Tangential load 切向负荷 2． Tangent plane 切平面 3． Tanline 小轮夹具 4． Tanruf 双联粗切刀，8.5模数一下 5． Tan-tru 用在加工1016－2540mm的锥齿刀具 6． Taper roughing
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Principle of helical gear drive
The helical gear transmission is composed of two pairs of helical gears, which is a gear transmission between staggered shafts,
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Analysis of gear failure by refined spectrum analysis
Due to the complexity of gear fault symptoms and signals, it is necessary to extract clear fault feature information on
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S-beginning gear processing vocabulary Chinese English comparison
1． Scoring 胶合 2． Scoring index 胶合指数 3． Scuffing 胶合 4． Sector 扇形齿／齿弧 5． Segment 扇形齿／体 6． Segmental-blade cutter 大轮精切刀
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Meshing frequency and harmonics of industrial gears
Due to some characteristics of structure and working principle, the vibration signal of gear is more complex. When diagnosing the
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Other components of gear vibration
There are not only meshing frequency and side frequency components in gear vibration signal, but also other vibration components. In
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R-beginning gear processing vocabulary Chinese English comparison
1． Rack 齿条 2． Radial 径向刀位 3． Radial load 径向负荷 4． Radial locating surface 径向定位表面 5． Radial rake angle 径向前角
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Improve the bearing capacity and service life of gears
Increase the center distance. The center distance is one of the main parameters to determine the bearing capacity of the
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P-beginning gear processing vocabulary Chinese English comparison
1． Path of action 啮合点轨迹 2． Path of contact 接触迹 3． Peak load 峰值负荷 4． Peak torque 峰值扭矩 5． Pedestal
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O&Q-beginning gear processing vocabulary Chinese English comparison
1． Octoid teeth 锥齿轮的“8”字啮合 2． Offset 偏置距 3． Operating load 工作负荷 4． Operating pressure angle 工作压力角 5． Operating torque 工作扭矩
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The frequency modulation of gears
In addition to the influence on the vibration amplitude, the load fluctuation caused by gear load nonuniformity, gear pitch nonuniformity
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N-beginning gear processing vocabulary Chinese English comparison
1． Narrow-tow-wide-heel 小端窄大端宽接触 2． No load 空载 3． Nominal 名义 4． Non-generated gear 非展成大轮 5． Normal 法向，法线，法面 6． Normal backlash
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The amplitude modulation of gears
There are a lot of fault information in the modulation of gear vibration signal, so it is very important to
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Comparison of gear hobbing technology and gear shaping technology
Next, from the accuracy and productivity of gear processing to compare the technological characteristics of gear hobbing and gear shaping.
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Form grinding and grinding wheel dressing of spiral gear
In this paper, the principle and method of involute gear forming grinding are systematically studied, the forming principle of involute
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M-beginning gear processing vocabulary Chinese English comparison
1． Machine center 基床中心点 2． Machine center to back 机床中心至工件安装基准面 3． Machine plane 机床切削平面 4． Machine root angle 毛坯安装角 5．
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The common heat treatment methods of gears
The common heat treatment methods of gears are surface quenching, carburizing quenching, nitriding, tempering and normalizing, Surface quenching: surface quenching
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L-beginning gear processing vocabulary Chinese English comparison
1． Lame 顶根接触 2． Lapping 研磨 3． Lead cam 导程凸轮 4． Length of action 啮合长度 5． Lengthwise bridge 纵向桥型接触 6．
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Frequency modulation of industrial gears
Frequency modulation (also known as phase modulation) is the frequency conversion signal formed when the carrier signal is modulated by
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I-beginning gear processing vocabulary Chinese English comparison
1． Imaginary generating gear 假想成形法 2． Incremental index 逐齿分度 3． Index gears 分度齿轮 4． Index interval 分度跳跃齿齿数 5． Index plate