Search results

Finite Element Analysis of Hydro-Viscous Drive Main Transmission Shaft Using ANSYS Re-feng So1,a, Qian-ming Yang2,b and Xiao-ming Wang2,c 1Department of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Taian, China 2College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao, China aSrf7788@163.com, byqm8396@sdust.edu.cn, cwxm0615@163.com Keywords: Hydro-Viscous Drive; main drive shaft; finite element analysis; ANSYS; stress and stain Abstract: The main drive shaft is one of the key component of the Hydro-Viscous Drive device.
Another character of Hydro-Viscous Drive based on transmission theory of viscous liquid is, when the active and passive friction disk makes the rotary motion under the Newtonian fluid shear friction force, also affected by load cylinder of the role of axial thrust.
All these mention above show that taking the initiative for the effective analysis of the mechanical axis of the shaft designed are be necessary for guaranteeing a reasonable structure as the driving shaft itself mechanics and the functional requirements of the hydraulic power transmission and the structural design more complex.
Selects third theory of strength [2] to carry on the intensity examination: where：—Axis computation stress (MPa); — Referring factor; —Reverse shear stress (MPa); —Axis anti-curved section coefficient (mm3) According to the metal material of the axis, the admissible bending stress of 40Cr is MPa, while , the driveshaft is safe.
Taking into account the complexity of the driving shaft , precision and computer resources as well as other factors, chooses 8 nodes solid45 tetrahedron unit model during Analysis process, uses 3 levels of precisions the SmartSize intelligence grid divisions, produces 138138 units finally, 28758 node grids, As shown in Figure 5.

It has been reported that nanocrystalline exhibit a variety of previously unavailable properties including surface reactivity [7].
Other technology, surface treatment with ion implantation widely used to modify the oxidation behaviour and surface mechanical properties of metals [8].
It has shown that the commercial ferritic steels still need further modification due to possess the suitable properties required for long-term reliable cell performance.
The higher oxidation rate is believed to be caused by the formation of volatile oxides which can affect by inward diffusion of Ti implantation to the surface of alloy.
The parabolic rate constant of developed specimen at 1173 and 1273 K (Figs. 2a and b) were clearly significant show the different improvement of oxidation kinetics which is up to factor of 10 lower; while at 1373 K (Fig. 2c), it is only as much as factor of 2 lower compared to that as received alloy.

Table 2 shows experimental results of tensile properties.
Similarly, the anisotropy of mechanical properties is calculated by: ⊿r=( r0 +r90-2r45)/2.
The urethane pre-coating produced different changes in mechanical properties, namely, a significant increase in proof stress and a minimal change in elongation.
The kinetic viscosity of Mu-19 (Mu) is 22.3 cst. [3] GG has the best lubricating properties.
Punch diameter dp φ40 Punch profile radius rp 8mm Clearance 20.0% Die profile radius rd 3mm Hold-down force 1kN Punch velocity 100mm/min Table.2 Mechanical properties of specimens.

“Investigation of method for determining factors weights in evaluating slope stability based on rough set theory” is published by Guangyue Wang, Haili Cui and Qian Li in 2009[5].
Then, to have knowledge reduction, to delete the object with same attribute values, namely repetitive data lines, to make equivalence partitioning for discourse domain according to the condition attributes and decision attributes, after getting rid of some properties, if the change of relevant classification is bigger, it indicated that the properties importance is higher; On the other hand, it shows that the properties importance is lower.
Dump landslide is the most common occurrence and the highest frequency in dump disaster, however, there are many factors to affect the stability of dump slope, on the basis of both research results and data information from references, to select slope unit weight, cohesion, internal friction angle, slope angle, slope height, Pore pressure ratio as landslide evaluation indicators of opencast mine dump.
In terms of slope protection, we should focus on the impact of the major factors.
Mechanical Management and Development, 2007, pp.4-6 [9] WANG Yun-ming, XIANG Hong-hai.

The incorporation of nanoparticles into hydrogel matrices offers the opportunity to enhance their properties, including mechanical strength, swelling behavior, and thermal stability [2].
TEM images under 100000x magnification of CNS Thermal Properties.
The sulfate group is a critical factor that can affect the thermal stability of CNS [12].
Hydrogels: Properties and applications in Biomedicine.
Major factors influencing the size distribution analysis of cellulose nanocrystals imaged in transmission electron microscopy.

Surface quality is affected by various processing parameters and inherent uncertainties of the metal cutting process.
Surface roughness and dimensional accuracy are significant factors in predicting the performance of any machining operation.
Many of the properties of 7136 aluminum alloy are superior to other materials, including high strength to weight ratio, high wear resistance, low thermal expansion, corrosion resistance, durability, ductility, and conductivity, which make it a versatile material.
As to the productivity related to surface roughness, according to obtained data from the experiment, we found that the best ratio of these two factors is to the cutting regime: cutting speed at 530 m/min, feed per tooth at 0.14 mm/tooth and cutting depth at 4 mm, resulting a surface roughness of 0.212 μm.
D., Ambekar, A Review on Optimization of cutting parameter for surface roughness, material removal rate and machining time of aluminium LM-26 alloy, International Journal of Research in Aeronautical and Mechanical Engineering. 2 (2014) 23-28

Its properties as a transducer include: wide frequency range of 0.001 Hz to 9-10 Hz, low acoustic impedance of close match to water, human tissue and adhesive systems, high elastic compliance and voltage output that is 10 times higher than piezo ceramics for the same force input, high dielectric strength, mechanical strength and impact resistance, and high stability on resisting moisture, most chemicals, oxidants, and intense ultraviolet and nuclear radiation [4,5].
Interfacial shear strength (IFSS) between fiber and matrix is one of the important factors in controlling mechanical performance of polymer composite materials.
Piezoelectric properties are induced by high dielectric properties based on chemical structure.
Thickness of PVDF sensor does not seem to affect on the sensing and thus thinner sensor might be desirable for the embedding
From the results of FFT analysis, the frequency for PZT was dissimilar to PVDF sensor case due to different sensor material's properties.

Additionally, electrical and mechanical properties of the welded joints are determined.
Results and Discussion Especially the weld seam geometry, e.g. the shape of the weld seams is of interest with regard to mechanical and electrical properties as well as later rework steps.
In addition to the geometrical and electrical properties of welded copper connections, also the mechanical properties of the joints are relevant for many industrial applications.
A comparison of the mechanical properties of the joints with regard to the knurling parameters of the filler wires show the same behavior as the Cu-OF joints.
For this purpose, the geometrical, electrical and mechanical properties of the resulting joints are determined.

Introduction Braking ability of automobile is an important aspect affecting safety and driving comfort, the research focused on the brake performance and increase of reliability in the past.
Braking noise will not only affect occupant comfort, but also cause environmental pollution, and also lead to increases of service costs due to replacement brake or brake components for manufacturer.
Therefore, generation and suppression of brake noise has become an important factor considered when brake is designed and manufactured. 1.
Vibration of brake includes friction vibration caused by friction material property and component vibration caused by mechanical component vibration.
The finite element mesh is a crucial step of finite element numerical simulation analysis, it directly affects accuracy of subsequent numerical analysis results.

Substrate processing includes rust and oil removal, sand blasting and cleaning. 2.1.1 Substrate selection Different diamond brazing tools have different requirements for mechanical properties of the substrate.
We selected #45 steel as substrate material. 2.1.2 Substrate surface mechanical treatment A new chemical bond will be formed on the substrate surface in brazing.
The treatment quality of the substrate surface directly affects the quality of the product, which is one of the key factors to ensure fine results.
Table 1 Standard of the hydrochloric acid rust removal process g/L Name Hydrochloric acid Ammonium chloride Temperature Time Process parameters 150 2 Room temperature Until rust is completely removed Contaminated oil in industry is nothing more than the 3 categories of mineral oil, vegetable oil and animal oil, or 2 categories of saponifiedoil (animal oil and vegetable oil) and non-saponifiedoil (mineral oil) by chemical properties.