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The design and manufacture of the coal mine rescue robot are affected by various of factors, such as whether the structure could adapt to the complex underground environment, whether lightweight robot could have higher strength, and whether the materials were low price and easy processing.
The mechanical analysis of the rescue robot.
It can be seen that the brackets’ mass have reduced but have better mechanical property.
Journal of Mechanical Strength(2005),p.12-16 [4] Yan Shengzan.
Property analysis and structure optimization of robotic arm based on Solidworks an Ansys.

The quality of a machined surface is affected by a number of factors [1, 2] which include tool geometry, feed rate, material properties, spindle rotational errors and relative vibration between tool and workpiece as summarised.
The amount of swelling depends on the properties and the crystallographic orientation of the material being cut.
The BDT depends on the material properties, magnitude of applied force and volume of material to be removed.
Lee, "Study of Factors Affecting the Surface Quality in Ultra-precision Diamond Turning," Materials and Manufacturing Processes, Vol. 15, No. 4, p.481(2000)
Moronuki, "Effect of Material Properties on Ultra Precise Cutting Processes," Annals of the CIRP, Vol.37, No.1, p.113 (1988)

Sintering effect on the structural properties was investigated. 
In previous studies on manganese doped cobalt ferrites, it has been shown that high mechanical stability and inter related magnetic properties make them good for sensor application [3].
Characterization Results Structure related properties.
Magnetic properties.
The magnetization behavior showed that doping of Mn has affected the properties of CoFe2O4.

The results of the experimental tests and numerical analysis showed that the provisions of the code can be used to determine the bearing capacity as well as the multitude of parameters affecting the connection.
The mean values of the strength properties and elongation characteristics are presented in Table 3.
Then, these values have to be divided by partial factors gm and by explicit conversion factors hd (if needed); (2) design values are being determined directly considering a conversion of test results (explicitly or implicitly) and considering a required reliability, also.
For a design value determination process for a single property X, the given fractile factors kn are used from Table D1 of [17].
“Effect of plate thickness on mechanical properties and failure behaviors of resistance spot welded advanced high strength steels”, Journal of Manufacturing Processes, 95, 392–404, 2023

Material properties.
As shown in Fig.2, the thermal properties (including thermal conductivity λ, specific heat capacity C ) and the mechanical properties ( including yield stress σy, elastic modulus E, Poisson’s ratio ν, the coefficient of linear thermal expansion α) are provided.
During MT, the microstructure of the material will change, so the material properties will be different.
At the beginning of the welding, the material properties of parent metal are utilized.
When the temperature cools to MS, the material properties of weld metal are utilized.

The cold-bonding pelletization, a low energy consumption method in aggregates production, is affected by several factors such as waste/binder ratio, the waste properties, angle and rotation speed of the pelletizer disk, the process duration, and the aggregate curing method.
Thermal properties of the concrete samples.
Muthumani, “Properties of structural lightweight concrete containing treated oil palm shell as coarse aggregate,” Asian J.
De Brito, “Mechanical properties and abrasion behaviour of concrete containing shredded PET bottle waste as a partial substitution of natural aggregate,” Constr.
Falih, “Physical and mechanical properties of concrete containing PET wastes as a partial replacement for fine aggregates,” Case Stud.

Domestic and foreign scholars’ studies mainly concentrate on the mechanical properties of FRP reinforcement and corrosion resistance.
The mechanical properties of GFRP gluten indexwere shown in Table 1.
Table 1Mechanical properties index of GFRP gluten Diameter [mm] Sectional area [mm2] Tensile strength [MPa] Tensile resistance [KN] Ductility [%] Elastic modulus [GPa] 18 254.3 705 150.6 1.57 43.0 25 490.6 659.5 298.1 2.02 43.4 32 803.8 590.6 393.8 2.42 42.8 (2)Concrete material. 32.5 ordinary Portland cement and crushed stones whose size is less than 18mm were used.
With the same diameter, the bond strength of thread GFRP boltis about 2 times the light gluten, but the slip is only about 70% of the light gluten.Because the bond strength of thread bolt is mainly composed of chemical adhesion, friction and mechanical interlockingforce, however, the mechanical interlockingforce affects most.
The results show that the improvement of rock and soil properties can significantly improve the anchoring effect and reduce the slip failure.

The raw material used as the metal powder, the selection of the binders, particle size and shape of the metal powder, the novel formulation and the mixing method are the factors that determine the success of the MIM process [5].
The powder loading of the feedstock is the most critical factor that determines the novel formulation which might affect the metal injection moulding processes [7].
Feedstocks with different binder formulations were established and their mixing properties, flow behaviour and microstructures at three different temperatures were examined.
The quantity of palm stearin proven to be greatly affected by the feedstocks viscosity and provides varying degree of viscosity at the different temperature.
Fig.5: SEM Micrograph of feedstock (a) 60 % PS 40 % PE and (b) 70 % PS 30 % PE Summary The content of the palm stearin has a great effect on the rheological properties of copper feerdstocks.

D.M.Tanner concluded that package was one of the main factors which affected MEMS sensor reliability, and it would influence the output performances of the sensor[6].
When acceleration affects the sensor, the resistance change of piezoresistors result in the sensor output the signals.
Therefore, the properties of die adhesive will also affect the output performances of the sensor.
(a) sensitivity test with stainless steel package shell (b) sensitivity test with ceramic package shell Fig.7 Sensitivity test on the different high-g accelerometer According to the reference [12], the difference of sensitivity for MEMS accelerometer packaged with two different shell materials is mainly due to the different propagation properties of impacting stress waves in ceramic and stainless steel materials.
Journal of Mechanical Strength, 26, 2004, 149-153

In addition, the ore experiences a metallogenic tectonic movement and the properties of the surrounding rock are broken, therefore, strong tectonic stress may exist.
To sum up, 3# alteration zone really exists and has an adverse effect on the stability of the slope; nevertheless, the influence degree is very limited, applying no main control factors[4].
Crowds may be affected due to blasting ; Grouting Method 1.
Mining maybe affected partially; 3.
Soft metamorphic rock mechanics properties and slope unstability mechanism [M].Concrete: Chang-An university, 2006 [4].