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 […]
Loader is a kind of earth and stone construction machinery widely used in highway, railway, construction, hydropower, port, mine and […]
In the production practice, it is an important link to detect the machining error of spiral bevel gear quickly and
The common points of frequency modulation and amplitude modulation of gear vibration signal are: ① the carrier frequency is equal;
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
The processing principle of spiral bevel gear is shown in the figure. Its profile wheel is an imaginary flat top
1.Tear Main cause 1) Uneven material of gear blank 2) Improper heat treatment of gear blank 3) Chip accretion due
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
The use of steel is very extensive, and its role in the national economic system is crucial. With the rapid
The pre forging die and final forging die need to be designed for the precision forging of the half shaft
The helical gear transmission is composed of two pairs of helical gears, which is a gear transmission between staggered shafts,
The pre forging die and final forging die need to be designed for forming planetary gear by “one heat two
Due to the complexity of gear fault symptoms and signals, it is necessary to extract clear fault feature information on
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
As the main power transmission mechanism, the gear shaft in the gear transmission mechanism mainly supports the rotating parts and
Compared with cutting gear, precision forging gear has many advantages. Therefore, using precision forging technology to produce gear is the
Due to some characteristics of structure and working principle, the vibration signal of gear is more complex. When diagnosing the
In modern engineering production, many kinds of heavy machinery, such as high-speed rolling mill, heavy-duty operation equipment, special vehicles, large
At present, the forging process of straight bevel gear mainly includes the following “two fire two forging” and “one fire
There are not only meshing frequency and side frequency components in gear vibration signal, but also other vibration components. In
At present, the additional rotation in the slotting process of spiral gear is widely realized by the spiral guide rail.
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
Increase the center distance. The center distance is one of the main parameters to determine the bearing capacity of the
Metal bulk forming is a complex process of large plastic deformation, that is, there is a nonlinear relationship between the
According to the analysis, in order to cut a complete spiral gear, the gear shaping and workpiece blank must have
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
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
In addition to the influence on the vibration amplitude, the load fluctuation caused by gear load nonuniformity, gear pitch nonuniformity
Principle of slotting When the gear shaper is used to cut helical gears, it is equivalent to the meshing of
The tooth profile accuracy of grinding wheel is relatively high, such as grinding high-precision gear, screw, worm, spline and so
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
There are a lot of fault information in the modulation of gear vibration signal, so it is very important to
Spiral bevel gear is a key part in the field of mechanical transmission to transfer motion or power between intersecting
Next, from the accuracy and productivity of gear processing to compare the technological characteristics of gear hobbing and gear shaping.
In this paper, the principle and method of involute gear forming grinding are systematically studied, the forming principle of involute
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.
The common heat treatment methods of gears are surface quenching, carburizing quenching, nitriding, tempering and normalizing, Surface quenching: surface quenching
The development of gear forming grinding technology in China is relatively late, and it is still in its infancy, but
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.
Frequency modulation (also known as phase modulation) is the frequency conversion signal formed when the carrier signal is modulated by
The application of gear transmission has a long history and is one of the important forms of mechanical transmission. It
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
Gear is a kind of mechanical part that transmits motion and power. The type and characteristics of gear not only
The function of the gear transmission system of coal mine machinery is to transfer movement and power for the mining
At present, the production efficiency of spiral gear processing method in China is low, and the accuracy of processed gear
1. Hand of cutter 刀盘方向 2. Hand of spiral 螺旋方向 3. Hand-rolling tester 手动滚动试验机 4. Hardac 镶篇淬硬刀体精切刀盘 5. Hard finishing
1) Additional pulse Sometimes it can be seen that the envelope lines at the upper and lower ends of the
With the development of mechanical industry, gear is developing towards the direction of high precision, high speed, low cost and
1. Gable 山形齿沟底面 2. Gear 齿轮 3. Gear axial displacement 齿轮轴向位移 4. Gear axial plane 齿轮轴向平面 5. Gear axis 齿轮轴线
Consider the following issues comprehensively: Whether the gear material meets the requirements Whether the accuracy of gear machining meets the
The spiral cylindrical gear is mainly used to transfer the rotary motion between the staggered axis and the parallel axis.
The structure of normal rolling bearing is analyzed. There is a certain gap between the moving elements. The rolling element
The tooth surface geometry of the spiral bevel gear is completely determined by the machining parameters of the machine tool.
The frequency components of gear failure are very complex, which are all broadband signals. According to the introduction of some
1. Face acvance 斜齿轮扭曲量 2. Face angle 顶锥角(面锥角) 3. Face angle distance 顶锥角距 4. Face apex 顶锥顶 5. Face apex
1. Generation of gear vibration Gear transmission is through a number of teeth at the end of the previous tooth
1.Wear The wear of tooth surface is caused by metal particles, dust and sand entering into the working surface of
“One fire and two forging” form straight bevel gear. The tooth surface of the gear die is affected by the
The gearbox has a certain design service life, and it will fail due to wear after a certain period of
Pitting is a common damage form of closed gear transmission, which usually occurs on the tooth root surface near the
1. Ease-off 修正、失配 2. Eccentric 偏心 3. Eccentric angle 偏心角 4. Eccentricity 偏心度 5. Edge radius 刀尖圆角半径 6. Effective bearing