Gear materials commonly used in gear manufacturing
Forged steel and cast steel are the common materials for gear manufacturing, followed by cast iron. In special cases, non-ferrous […]
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Gear defect – abnormal tooth profile
1.Edge of tooth surface Main cause The profile error of hob is too large or the tooth splitting is powerless.
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The common materials for gears
The common materials are forged steel, cast steel and cast iron. Forged steel: According to the hardness of tooth surface,
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Study on the dynamic characteristics of three ring reducer
The research on the dynamic characteristics of three ring reducer starts from the experiment. These experimental studies are mainly to
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Common faults of gears
Gear is the most commonly used mechanical transmission parts, gear failure is also a common failure of rotating equipment. According
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The common types of gears
Parallel shaft gear (cylindrical gear) (1) Spur gear: a straight cylindrical gear whose tooth ribs are parallel to the axis.
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The selection principle of gear material
There are many kinds of gear materials, and there are many factors to consider when selecting them. The following points
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Cutting method of spiral bevel gear
Spiral direction: the spiral direction of the tooth is specified as: Left-handed gear: if facing the gear tooth surface, the
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The modulation heat treatment process of 40Cr steel in gear manufacturing
Cr can increase hardenability, strength and tempering stability of steel, and has excellent mechanical properties. Cr steel shall be used
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Modulation characteristics of gear vibration signal
The common points of frequency modulation and amplitude modulation of gear vibration signal are as follows: ① The carrier frequency
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Classification of spiral bevel gears
Classification by pitch line of tooth surface: a. Arc tooth bevel gear: its teeth are cut with a circular end
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Analysis of the dynamic response of three ring reducer
With the development of the research on three ring reducer, people begin to study its elastic dynamics. Without considering the
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Advantages and disadvantages of helical gears
Advantage: The helical gear used in the helical gear reducer can be regarded as a set of cylindrical gears made
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Lubrication of gears
Oil immersion lubrication is adopted. As it is a single-stage cylindrical gear reducer, the speed V < 12m / s,
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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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Gear material and its selection principle
It can be seen from the failure form of the gear teeth that when designing the gear transmission, the tooth
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Creation method of spur gear
Gear transmission is one of the most important mechanical transmission. Gear parts have the advantages of high transmission efficiency, stable
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Advantages and disadvantages of spur gears
Spur gears are among the most common types of gears used in various mechanical systems due to their simplicity and
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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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Fire safety in heat treatment of gear production
(1) Fire protection requirements for buildings of heat treatment plant: The heat treatment workshop or working section shall be set
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The mechanical model analysis of gear
As shown in Figure 1, is the mechanical model of the gear pair, in which the gear has a certain
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Selection of gear material
(1) General gears with light load, low speed or medium speed, small impact force and low precision are made of
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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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Tempering of transmission gears
Tempering is also called flame matching. A process of metal heat treatment. Reheat the quenched workpiece to a proper temperature
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The common gear materials and heat treatment
In order to ensure the reliability of gear operation and improve its service life, gear material and its heat treatment
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Development trend analysis of gear technology and equipment
In order to meet the requirements of gear processing industry for manufacturing accuracy, production efficiency, clean production and quality improvement,
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Quenching of transmission gear
Quenching is to heat the alloy to the solution solution curve, keep it warm for a period of time, and
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Function and purpose of preoxidation in gear manufacturing
Function of preoxidation The preoxidation makes the surface of the workpiece obtain a layer of dense oxide film (3Fe +
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Common materials for gear production
The common materials for gears are 20Cr, 20CrMnTi and 18Cr2Ni4WA. (1) 20Cr It has high strength and hardenability, but poor
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Overview of gear heat treatment
As we all know, gear is the key part of mechanical equipment, which is widely used in automobile, aircraft, tank,
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Gear accuracy class, you need to know these places
There are 13 precision grades of gears, which are arranged from low to high by the numbers 0-12. Grade 0
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Analysis of the effect of laser cladding on the properties of alloy elements
Laser cladding (also known as laser surfacing) refers to the process of placing the selected coating material on the cladding
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New international standard of gear accuracy officially released in 2013
The international standard of gear accuracy is formulated by ISO Technical Committee 60 (ISO / TC60, hereinafter referred to as
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Analysis on the development trend of domestic gear mould industry
It is reported that the domestic gear mold industry is a mixed blessing. The joy is that the domestic gear
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What is the cause of gear damage
The main causes of gear damage can be roughly divided into: wear; pitting, peeling, carburizing layer fragmentation; fatigue; impact; corrugation,
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Gear selection materials, accuracy and parameters
The gear is a wheel like mechanical part that transmits torque by the engagement of teeth. The gear is driven
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Since 1953, Luoyang is the famous heavy industrial city in China.
Soviet-style architecture China’s first tractor China’s first tractor manufacturing plant Luoyang Mining Machinery Factory Industrial museum Soviet-style living area Military
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GB / T 3480.5-2008 the first meeting of national standards project working group was held in Zhengzhou
On February 28, 2019, the first meeting of national standard revision project working group of GB / T 3480.5-2008 calculation
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Summary of 2019 national small module gear technology seminar
This meeting is the 12th technical seminar and annual meeting of cgma in the past 12 years. The theme of
Hypoid gears require—even with low RPMs—a high-pressure oil
The offset is positive for cases 1 and 4; negative for cases 2 and 3 (Fig. 10). The spiral pinion
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L-Hypoid Gear Design System (part 2)
6 rendering tooth. The analysis of tooth profile based on the number distribution on the direction of the face width
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The manufacturing of hypoid gear
Hypoid gears manufactured in face hobbing process continuous-indexing or single face milling process indexing. In face milling process the blades
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L-Hypoid Gear Design System (part 1)
1 Introduction. L-can hypoid Gear Design System design element gear tooth profile and calculate overall strength and so on. Hypoid
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Rolling and sliding velocities of a hypoid gear set along the path of contact
The crowning seen in the ease-off results in the contact zone is located within the boundaries of the gear tooth.
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The application of hypoid gear
Most manufactured hypoid gears carburized steel and undergo case hardening a surface hardness of 60 Rockwell C (HRC) and core
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The Analysis of hypoid gears
Given the distortions mentioned systems tapereddepth tooth flanks feel compared to conjugate coupling, can define a possible contact lines would
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Selecting gearboxes and servosystems
A servosystem coupled with a planetary gearbox is expected to provide precise motion, but this requires all components be carefully
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Hypoid gears are the paragon of gearing
Hypoid gears are the model of leverage. If two axes located in space and the task is motion and torque
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The Process of Bevel Gear (part 3)
By making the gap between less teeth, the teeth will be little more than they are supposed to be possible
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The SolidWorks Flowchart of Bevel Gear (part 2)
● Step4: ○ On one plane create a profile of the equivalent spur gear. ▶ A: Sketch
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The Appendix of Spiral Bevel Gears Equations
Symbols with the subscript “G” or “P” are for the gear or the pinion respectively Number of Teeth: N is
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The SolidWorks Flowchart of Spiral Bevel Gear (part 3)
● STEP6: ○ Sketch new point in Plane Right. ▶ A: Make the sketch in Plane Right to ensure
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The Process of Bevel Gear (part 2)
Revolve the profile due to the centerline of the white gear. New tangent plane must sketch the face outside the
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The SolidWorks Flowchart of Bevel Gear (part 1)
It describes the process for creating the bevel gear in SolidWorks model in detail in the following flowchart. ●
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The SolidWorks Flowchart of Spiral Bevel Gear (part 2)
● Step3: ○ Create a plane tangent to the exterior face of the teeth (Construction Plane 1).
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The Process of Bevel Gear (part 1)
In modeling the bevel gear, the angles were created by calculating the teeth. Were found the right gear bevel features
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The Process of Spiral Bevel Gear (part 2)
The second process was an attempt to define 3D points that we could constrain the path. The points would draw
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The Appendix of Bevel Gears Equations
Symbols with the subscript “G” or “P” are for the gear or the pinion respectively Number of Teeth: N is
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The History of Spiral Bevel Gear
The first can be traced back primitive gear to over 3,000 years ago. They were made of wood and the