Tooth surface equation of face gear
The tooth surface of helical offset non orthogonal gear is formed by the tooth surface of helical gear shaper cutter. […]
The tooth surface of helical offset non orthogonal gear is formed by the tooth surface of helical gear shaper cutter. […]
The gear shaping process of helical offset non orthogonal face gear is the simulation of the generating motion of helical
According to the production principle of spiral bevel gear pinion, the coordinate system shown in the figure is established to
The coordinate system shown in the figure is used for gear shaping of helical offset non orthogonal surface gears. Among
Take 300 points at the axis of the gear shaft for analysis. The path taken is shown in figure (a).
The profile of hobbing chamfering tool and the profile of the end face of the processed cylindrical gear are no
1. Finite element model According to the geometric diagram in Figure 1, the three-dimensional software is used for modeling, as
The cutter for machining helical offset non orthogonal face gear is involute helical gear shaper cutter, and the involute tooth
1. Large tooth surface of spiral bevel gear Σ2 production and its equation The double-sided hobbing method is generally used
Carburizing process is an unsteady process, which conforms to Fick’s second law: Where: t is the carburizing time, s; C
Two process parameters that have a significant impact on the cutting force are selected, namely tool speed and tool feed.
The relevant parameters used are shown in the table. In order to solve the tooth surface of instant noodle gear,
After the sliding friction coefficient at the instantaneous meshing position of spiral bevel gear is solved by the formula, the
The relationship between dependent variables and regression analysis is a kind of modeling technology. The experiment involves four independent variables,
The gear turning test of face gear is carried out on the special NC machining machine tool for face gear.
In the process of helical gear turning, each tooth of the turning tool will go through a process from cutting
In order to verify the machining accuracy of the studied process, taking the machining of large module cylindrical gear as
The geometric modeling of helical gear turning tool is realized by using UG three-dimensional modeling software. In order to simplify
The machining simulation of helical gear turning is carried out by using VERICUT simulation software. Firstly, the virtual machining machine
The structural parameters of gear turning tool include modulus, number of teeth, helix angle and pressure angle. Modulus and pressure
Select a point m on the cutting edge of helical gear turning tool, and establish the reference plane of tool
Reduction of area and elongation are one of the key parameters of material plasticity. As shown in the figure, the
After the spheroidizing annealing treatment of four processes, the SEM analysis results of each structure are shown in Figure 1.
The chemical composition of 16MnCrS5 steel for cold forged gear used in the test is shown in Table 1, and
The point contact problem of conjugate surface of spiral bevel gear can be represented by the elliptical contact model shown
The structure of the gear turning cutter is similar to that of the helical cylindrical gear. The three-dimensional shape of
Bevel gear turning gear is a continuous generation method based on the meshing principle of spatial staggered shaft gear. When
First, a limit tooling is added to the simple induction positioning tooling, that is, the welding limit bolt is used
Bevel gear turning gear can be regarded as the combination of hobbing and shaper. In the machining process, the tool
In order to analyze the lubrication characteristics of spiral bevel gears, it is necessary to analyze the contact of spiral
According to the above optimization results, after technical communication with the customer and approval, the technical requirements for adjusting the
The supplier has a solid-state heating equipment with a water temperature of ± 10.38 ~ 30 kHz and a water
With the continuous progress of agricultural mechanization, a large number of heavy tractors are used in the process of agricultural
Previously, we used the joint simulation method of ANSYS and FRANC3D to carry out the static analysis of the root
In order to ensure the machining accuracy of involute profile of gear shaft, milling must be carried out in strict
1. Sample selection Since the crack source cannot be touched, and the hardness test of bevel gear is about 60HRC,
Processing flow of bevel gear: blanking → finishing → grinding → carburizing and quenching → cleaning → tempering. Later, it
Because there are many and complex influencing factors in the milling process, there is no theoretical formula to directly calculate
After heat treatment, the large spur gear blank enters the processing stage. Before this link is officially carried out, it
Forging blank is the first link in the processing and manufacturing of large helical gears. The main work is to
Large gears generally refer to gears with gear modulus > 16 mm, which are widely used in heavy machinery such
In tractor gear processing, the commonly used tools include tractor gear type tools and rack type tools. In the process
By analyzing the vertical forging process, it can be found that there are three stages from the beginning to the
Considering the symmetry of teeth in spur gears, in order to reduce the amount of calculation, one single tooth is
1. 3D model of equidistant spiral bevel gear According to the actual use and the characteristics of the gear, with
Considering the practical engineering application and the material library of Moldex3D simulation software, this paper uses alloy powder as metal
In order to reduce the dimensional error caused by the cutting tool, carry out multiple trial cuts before finishing, master
The machining method of gear shaft tooth profile with modulus of 65mm is not exactly the same as that of
The gear processing indexing mechanism device is designed on the special machine tool for variable hyperbolic arc tooth line cylindrical
For the deep hole machining of slender shaft, the key point is the concentricity between the hole and the outer
Within the range of elastic mechanics, Paris gives the fatigue crack growth rate of spur gear expressed by the formula,
According to the connection mode between the tool and the shank used by our company, the tool structure is designed
The gear shaft with modulus of 65mm (see Figure) is one of the key parts in the transmission mechanism of
In the finite element analysis of the whole machine, the contact between parts has a great impact on the analysis
It can be seen from Fig. 1 that the stress distribution near the bevel of the extrusion die is also
In finite element analysis, the solution efficiency is low and the time cost is greatly increased because the machine tool
The special machine tool for variable hyperbolic arc tooth line cylindrical gear is designed based on the principle of spatial
Heat treatment is not only a heating and cooling process of workpiece, but also a process of stress generation and
Within the scope of on-line elasticity, the theory of fatigue crack growth rate of spur gear is mainly Paris theory.
(1) Metal flow field during hot extrusion Figure a ~ C in Figure 1 shows the metal flow state at