Machining Technology of Large Size and High Precision Spiral Bevel Gear
Spiral bevel gears are key parts in mechanical transmission field that transmit motion or power between intersecting or staggered shafts. […]
Spiral bevel gears are key parts in mechanical transmission field that transmit motion or power between intersecting or staggered shafts. […]
Analysis: (1) The hardened layer of tooth surface has fine martensite structure of grade 2 and non-martensite structure of 0.02mm,
Samples are taken from the invalid gears, after grinding and polishing, the metallographic structure is observed by Olympus microscope, and
The contact area mainly refers to the actual contact between the two bevel gears during meshing.The requirements for contact area
Electric traction shearer is a multi-motor driven shearer with transverse arrangement of motors and normal speed of mining adjusted in
The figure shows the backlash Jn=0 mm and the lubricant viscosity 0=under 4 different lubrication conditions.0.033At Pa_s, a cloud diagram
Circular arc helical gear is a point engagement gear, which has the advantages of high bearing capacity, long service life
A set of helical gears with a displacement of 30 ml / R are processed according to the adjusted curve.
Since the locking mechanism is based on an improvement of the Eastern Wind Mentoson 2nd generation differential, the size of
Gear force analysis can be concluded that the radius of curvature of the tooth root fillet is the main factor
Staggered helical gears are used to transmit the motion between two staggered shafts in space. For a single gear, they
After hardening or strengthening of gear surface by heat treatment, there are often black oxide skin or other defects, such
Test equipment: MH-6 micro Vickers hardness tester, TH300 Rockwell hardness tester, DMI5000M metallographic microscope Reference Standards: Metallographic examination of QC/T262-99
For a type of three-axle special vehicle, two identical failures occur continuously, and the driving distance after sale is less
We can basically conclude that the root cause of tooth breakage and brittle failure of medium drive gear pair is
The Klingenberg spiral bevel gear is the manufacturing equipment and technology introduced by our gear factory in the 1980s by
The figure shows the backlash Jn=0 mm and the lubricant viscosity 0=under 4 different lubrication conditions.0.033At Pa_s, a cloud diagram
A group of suitable parameters are selected for simulation to obtain the toothed curve as shown in the figure. Through
Assemble the parts in SolidWorks to form an assembly of helical gear limited-slip differential with locking function as shown in
According to the structural design data, digital modeling is carried out in SolidWorks software. (1) Design of end profile.Setting helical
The profile of the circular arc curve – Involute – circular arc curve is used, the circular arc curve is
In order to verify the reliability of finite element simulation results, a coordinate grid test was carried out on a
At present, the product application of gear pump has been very wide.The structure of gear pump generally includes two spur
According to the working characteristics of gears, during the transmission of power and motion, the gear will generate bending stress
In addition to surface hardening to improve the hardness and strength of the surface layer, in order to improve the
The main and driven gear materials in the gear temperature measuring test stand are constantan and 40Cr steel respectively. In
Parallel-shaft helical gears (helical gears) have an additional helical angle in addition to the same basic parameters as spur gears.Expand
It is generally believed that there are two ways to derive the helical surface.One assumes that the helical surface is
Military off-road vehicles need good passability to adapt to complex road surfaces.The ordinary planetary gear differential has simple structure. Although
In order to understand the deformation and flow rules of metal in different positions of blank during forming, five sections
(1) Replace the gear cutting tool with bigger fillet on the top of the tooth to increase the radius of
Accurate three-dimensional geometric model of cylindrical helical gear is the precondition of establishing heat transfer-deformation coupling finite element model.The basic
1. Macro-examination The fracture morphology of the failed large helical gear teeth is analyzed. As shown in Figure 1, it
During the installation test of a large helical gear of a loader drive axle during its development, it was found
According to the accurate modeling idea of spur gear pair, the meshing stiffness calculation can be calculated by the inductive
The development of gear machinery manufacturing industry in the world can be divided into three stages according to the characteristics
The non main load-bearing gear is often machined directly after quenching and tempering of 45 steel. The recently developed low
Gear transmission system mainly has 4 different lubrication states, including elastohydrodynamic lubrication, mixed lubrication, boundary lubrication and dry friction.The friction
The figure shows the load stroke curve of the cylindrical helical gear during hot forging.At the early stage of forming,
Cylindrical helical gears are widely used in ship, automobile, aviation and other industries because of their smooth transmission, good engagement
The profile shape of standard involute gears generally consists of two sections, i.e. transition rounded curve AB and involute curve
According to the engagement principle of involute spur gear, when a pair of involute profiles engage and drive, any engagement
In mechanical transmission system, gear transmission system is the most widely used in power and motion transmission devices.Time-varying meshing stiffness
As far as the gear in place measurement is concerned, the common problem is how to accurately determine the position
During gear meshing, the tooth contact temperature and the instantaneous tooth surface temperature change in real time, which can be
Tooth surface instantaneous temperature is the instantaneous high temperature generated by contact points during gear meshing, which is mainly distributed
Due to the different normal grinding depths and wheel speeds at different locations of the involute, the intensity of the
In many important fields such as industrial production, aerospace and military equipment, precision gear processing technology plays a key role,
As shown in the figure, when using the generating method to measure the big gear, the conical probe should start
The diameter of the oversize gear is large, the number of teeth is large, and the inertia is large. If
Gears are usually divided into vehicle gears and industrial gears. According to the Convention, gears with a diameter greater than
As shown in Fig. 1, spur gear shape grinding is to trim the wheel shape to the desired profile and
Forming grinding of spur gears is to trim the grinding wheel into an outer profile exactly the same as the
1. Create gear parametric model Nx software itself can generate gear model, but it can only generate the bottom features
1.Obtaining Basic Gear Parameters There are many gear parameters and there are certain connections among them. The most important one
Gear is one of the most important parts in modern industrial production. In mass production of gears, on-line measurement and
The hardness results of carburized layer of heat treated 2.3cr-0.9si-0.3mo steel were measured in the conversion gas reduction furnace and
Knowledge is the decisive factor of new product competitiveness. The product design based on knowledge engineering is to summarize and
The experimental results of ZHY gear only verify the correctness of the calculation method of tooth contact temperature under EHL
Gears are widely used in mechanical transmission. Due to the existence of tooth friction, the tooth contact temperature of the