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High-speed high-precision CNC processing technology plays a very important position in the CNC machining industry,machine disturbance,however,an important factor affecting the machining accuracy,the ball screw feed drive as an important part of the machine directly affects the operating characteristics of the machine.Ball screw drive system,Solidworks,Ansys,Adams the establishment of machine tool,rigid-flexible couping the multibody dynamics model,the dynamic characteristic curve of the machine.Compared with the rigid body model simulation results verify the feasibility of rigid-flexible coupling modeling method,optimized to provide the basis of the structural design of the machine components.
In fact, due to their material properties, as well as the influence of the coupling mode, mechanism often have a certain flexibility which will affect the dynamic characteristics of the element, to produce the noise and vibration.
(2)Define the entity model unit type, material properties, real constants meshing, and the establishment of a flexible body and rigid body coupling at the interface nodes point.
Figure 8 , transmission speed of workbench is uniform in the process of movement, but the drive components due to deformation appear go fast or go slow and jump movement .Thereby affecting the smooth machine tools processing and machining accuracy.
Mechanical Engineering and Automation, Vol.3 (2009),p.37-39,(In Chinese)

Previous studies only show the individual impact of these concrete recycled materials on mechanical and durability properties.
The experiments were carried out to test mechanical properties like compressive, tensile and flexural strengths by mixing constituent materials of concrete in a mechanical mixer.
Material and Mixture properties.
Mechanical and durability properties of recycled aggregate concrete with ternary binder system and optimized mix pr. 
Abrasion resistance and mechanical properties of Roller Compacted Concrete with GGBS. 

The rheological and chemical properties are significantly influenced by ageing, causing changes in the mechanical properties and resulting in more solid-like bitumen indicated by an increase in phase angle and an increased complex modulus of the bitumen [4].
The mechanical properties of CNTs are compared to common engineering fibers in Table 1.
This affects the efficiency and mechanical properties of the composite.
TABLE 1 Mechanical properties of CNTs and other engineering fibers [10].
The rutting factors showed a problem as the values at low temperatures fell outside the limiting values for rutting resistance.

One of the factors observed which contributed to change the colorimetric values of the clays was the use of stabilizers like lime, on the other hand, these stabilizers also helped to change the USCS classification of the soils and their cohesive properties.
Regarding this situation, the characterisation concerning vernacular and earthen architecture need to be done to understand the current properties of these materials [7].
About the straw proportion, three of the six adobe samples had none or very small amount of fibres, a situation that is hardly to find in vernacular architecture, since fibres are really useful to reduce the shrinkage and improve the mechanical properties of the earthen masonry bricks. [12] Table 1 USCS Classification of the specimens and their properties.
Vettori, The Influence of Natural Organic Materials on the Properties of Traditional Lime-Based Mortars, in International Journal of Architectural Heritage, (2017), doi:10.1080/15583058.2017.1287978
Çavdar, The effects of the fiber contents on the mechanic properties of the adobes, in Construction and Building Materials (22), (2008), 222-227.

As a result, the overall properties of parts will be affected negatively.
Five main factors and four levels were selected to design the orthogonal test.
(1) The importance evaluation of each factor According to the range analysis, these five factors influence on the corrosion resistance property of heat affected zone doesn’t show obvious difference.
The influence order of the factors can also be obtained according to Fig. 2， it can be seen in Fig. 2 that the five factors influence on the corrosion resistance property of heat affected zone is more like.
Fig. 2 Factors effecting curve (2) Optimizing laser quenching processing parameter The optimized level of the factors is related to the required parameter.

The mechanical response at the interface between the silicon, low-k, copper, and pad is simulated under the loading of the chemical mechanical polishing.
Using the model, the effects of applied down pressure, pad properties, status of slurry on the non-uniformity of the wafer surface can be readily evaluated.
Different CMP processes attempt to achieve a balance between removal rate and global/local planarization through a combination of solution chemistry speed, applied pressure and pad properties [1,2,3].
In spite of its apparent simplicity, CMP is a very complicated process in which both mechanical and chemical factors play an important role.
Using the model, the effects of applied down pressure, pad properties; status of slurry on the non-uniformity of the wafer surface can be readily evaluated.

To evaluate the steel, researchers have extensively explored factors affecting its mechanical properties during extended service.
However, the increase in these factors would negatively influence the mechanical properties of the pipeline steel.
The formation of carbides depends on factors such as chemical composition, working time and temperature, and manufacturing conditions [7-11].
These results suggest that the load strongly affects the mechanical properties of steel P22 at high temperatures.
Fig. 5 showed no differences in carbide size and distribution with increasing load, suggesting that carbides did not affect the mechanical properties of steel P22.

This As a new type of nano-carbon materials , CNTs have special structure and exhibit excellent mechanical properties, electrical properties, electromagnetic properties, the unique micro-structure, high aspect ratio and high specific surface area.
It features a unique molecular structure of quasi-one-dimensional Guanzhuang it has excellent mechanical properties, electrical properties and electromagnetic properties, so that in future high-tech field has many potential applications, and quickly became chemistry, physics and materials science research focus.
The temperature of the microwave processing, power, and more processing time and other factors must be in the process to fully consider each factor to determine the best use of microwave treatment process parameters.
Xiang Hu catalytic production of microwave synthesis instrument on the test samples for processing, due to the influence of factors, including power, temperature and time are three factors, the study, only two factors which change fixed a factor approach to sample .
Magnesium / carbon nanotubes (CNTs) Study on the mechanical properties of composite materials [J].

Factors that affect the coatings wear resistance consisted of friction coefficients, hardness and anti-sticking properties.  
This paper aims to develop a method that optimizes the multi-objective properties of Zr-DLC coatings.
Multi Response Optimization Taguchi’s L4 orthogonal array was used to design the experiments with two factors and two levels.
Taguchi advocates use of orthogonal array designs to assign the factors chosen for the experiment.
Ø [6] Mantgomery D.C (2009), From this ANOVA tables, it is revealed that thickness, temperature are prominent factors which affect the coating.

It estimates the influence of each factor in describing a certain property such as penetration value, flow value or static yield stress.
For a given property the presence of a coupled factors like Binder X Fly-ash or Basalt X Fly-ash X SP refers that the more than one factors are influencing the property and quadratic and cubic parameters are involved in the mathematical models of those properties.
The binder and SP dosages are the important parameters which is affecting the flow-value the most as shown in Eq. (1).
However, both SP and fly-ash also appear to be affecting the penetration value to significantly.
The estimated and experimental values of other physical and mechanical properties will be compared to evaluate the efficiency of proposed method in future.