最新刊期
期 11 ， 2015
- 摘要：For the fluctuations problem of driveline torque which results from working-mode switching of dual-clutch parallel hybrid electric vehicles with integrated starter / Generator（ ISG）,focusing on study the process of transferring from pure electric working model to only engine working model.Based on the method of optimal the total efficiency of hybrid electric vehicle,the steady-state energy management control strategy is established,and then steady torque distribution area is achieved,which is the basis of coordination and control of dynamic torque.For the problem adopted the engine dynamic torque estimate genetic algorithm based on BP neural network algorithm,and ISG motor torque compensation method is proposed for dynamic torque coordinated control strategy.The simulation results show that the method proposed above can significantly decreases the torque fluctuations of working model transferring process,at the same time,the jerk to driveline is greatly reduced.
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发布时间：2022-10-20 - 摘要：A hydro-mechanical continuously variable transmission（HMCVT） with a single planetary gear is introduced,and the power transfer of the transmission is analyzed.The efficiency characteristic of transmission is researched from different angles through the definition method and the meshing power method,and the main factors which influence the efficiency of transmission are acquired,the theoretical foundation for the optimization of design scheme and increasement of the transmission efficiency is established.A test bench of hydraulic system is designed,and the main factors which influence the efficiency of hydraulic system are analyzed.A test bench of HMCVT is established,the stepless regulation speed characteristic curves and efficiency characteristic curves are acquired,and the test results are analyzed.关键词：Single planetary gear;Hydro-mechanical continuously variable transmission;Efficiency
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发布时间：2022-10-20 - 摘要：The kinematics characteristic of the closed chain two degree of freedom planar five-bar mechanism is analyzed by using the closed vector polygon projection method,complex number-vector method and matrix method.The kinematics equations are deduced,furthermore,the characteristic and application situations of each method are compared and analyzed.The kinematics equations are validated according to the example designed.By using the Solid Works motion simulation software,the motion path is changed with the original position of driving link,and the inner link between kinematics equations and output motion path is achieved.The reference for solving kinematic characteristic of hybrid driven mechanism in analytic method can be provided.
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发布时间：2022-10-20 -
Simulation Analysis of the Temperature Field and Thermal Deformation of Wind Turbine High Level Gear
摘要：In order to study the high speed wind turbine stage gear thermal deformation,the parametric finite element model of the gear is established based on the APDL language of ANSYS.The finite element model boundary conditions and loads are calculated according to the theories of tribology,heat transfer and meshing.The single gear steady-state temperature field distribution is obtained.The temperature change with power and rotating speed are analyzed systematically.The influence of ambient temperature and friction coefficient on wind turbine gear temperature is investigated.The gear heat-structure coupling field is analyzed.Add the steady state thermal analysis results as the load to the structure of the field,the gear thermal deformation is calculated,and a theoretical basis for the gear modification is provided.- 4
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发布时间：2022-10-20 - 摘要：The lubrication effects of two types of universal lubrication methods for ball screw mechanism are firstly discussed.For lubrication in oil,the variation situation of the thinnest lubricating oil film thickness vary with the ball screw rotation is figured out according to the Hamrock-Dowson expression and the fact that the ball screw always runs on conditions of boundary lubrication is identified by the calculation of the film thickness ratio.For lubrication in grease,the fluctuation curve of the ball speed responds to the ball screw rotation is figured out through the analysis of their mutual motion and geometric relationship.The curve demonstrates that using the grease to lubricate the ball screw mechanism with high rotation rate will cause higher temperature rise.To overcome the above two shortages,a dynamic grease coating lubrication method is proposed.Lastly,a friction torque stabilization test and a temperature rise test are conducted to prove the superiority of the proposed method.
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发布时间：2022-10-20 - 摘要：A bending-torsional nonlinear dynamics model of the spur gear pair with 6-DOF is established and the dimensionless dynamics equations are derived.The tooth surface friction,time-varying stiffness,gear backlashes as well as gear mesh errors are considered in this model.Based on the location of the contact line,the mathematical expressions of the tooth surface friction and the friction torque are both derived.The effects of tooth surface friction on the dynamic behaviors of the system are studied.The results show that the tooth surface friction can increase the vibration of the system,and the effect is more obvious on the vibration in the perpendicular direction to the meshing line.The degree of the chaotic motion of the system can be reduced by the tooth surface friction,and the bifurcation of the system becomes blurred at the high meshing frequency and chaotic motion appears earlier by the tooth surface friction.
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发布时间：2022-10-20 - 摘要：The load sharing planetary gear speed-growth train for wind power generator is studied,which is composed of two stage planetary gear and one stage plane gear.The influence of external load excitation and time varying mesh stiffness is considered,and the system dynamics model including radial and torsion is deduced in detail.The dynamic mesh force between planet gear and sun gear and annular gear ring are analyzed.The radial velocity and torsional vibration angular velocity change on the central components of two stage planetary gear and the mesh force characteristics are obtained.This provides theoretical basis for the dynamic optimization design of the load sharing planetary gear speed-growth train.
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发布时间：2022-10-20 - 摘要：The fatigue reliability of gear play a important role in the service life of the variable displacement gear type oil pump.Based on multi-body dynamic theory and variable displacement gear type oil pump working principle,the virtual prototype model is established.The validity of model is verified by experiment,and the dynamic meshing force between gears is obtained by simulation.According to the gear contact fatigue reliability calculation model,the reliability of the gear is calculated in representative condition.The results of reliability have project value and can provide theoretical basis for the optimization design.
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发布时间：2022-10-20 - 摘要：To solve the problems of high design margin and high manufacturing cost of heavy vehicle drive axle housing,the parametric finite element model of heavy vehicle drive axle housing is established,through the drive axle housing of key structure parameters are set for the analysis variables,the influence of the structure parameter variables on the heavy vehicle drive axle housing mechanics characteristic is researched by using static,dynamic and fatigue life method,the reference for the design and choice parameters for the heavy vehicle drive axle housing is provided.The results show that the axle housing body length and the axle housing both sides of the baffle plate distance increase,the maximum stress value and deformation value of drive axle housing will increase;the axle housing body length and the axle housing around both sides of baffle plate distance of two parameters have less influences on natural frequency of driving axle housing,and the distance of the center line of the spring seat has great influences on natural frequency of drive axle housing.
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发布时间：2022-10-20 - 摘要：The kinematics equation of working devices is established by using the homogeneous coordinate transformation,and this is a new way for studying kinematics and dynamics of the working device of loader.Firstly,the kinematics equation of working devices is established by analyzing the structure and operation process of working device,drafting the coordinate rotation point path using homogeneous coordinate transformation,and solving the rotation angle.Secondly,the virtual prototype model of the working device is built in ADAMS and the kinematics simulation is analyzed.Then the kinematics equation of working devices is verified according to the analysis of the calculation data of kinematics equation and the virtual prototype data.
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发布时间：2022-10-20 - 摘要：The glass loading machine is important equipment which generally uses four-bar mechanism to flip a piece of glass,and the mechanism decides the motion performance of the glass loading machine.According to the working space constraints and motion requirement,the initial position conditions of the flip mechanism is got and based on it the structure design is conducted by the rigid body guidance method for mechanism design,and the reasonable structure size is given.The mechanism motion simulation model is built with the ADAMS software,and then the motion characteristics of the mechanism is analyzed based on the simulation result when input a uniform motion.In order to improve the working stability of loading machine,a reasonable control mode of input motion to the driving link is proposed.
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发布时间：2022-10-20 - 摘要：For the geneva mechanism,the kinematics coefficient of the geneva mechanism is a constant if the groove number of the ceneva wheel is a constant.The planetary transmission mechanism using as the drive crank of the geneva wheel is equal to the mechanism which has a variable length and a variable speed along the elliptical moving crank.Therefore the kinematics characteristics of the geneva mechanism can be changed.By using elliptic curve generated within the planetary transmission mechanism as the crank drive geneva mechanism,select mechanism parameters appropriately,can make thegeneva wheel movement in the middle with a uniform motion characteristics.The synthesis method of the combined geneva mechanism is put forward based on the kinematics coefficient.
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发布时间：2022-10-20 - 摘要：A fully compliant parallel manipulator can achieve multi-dimensional motions,but it has obvious limitations in the micro-position fields for the structure and size.A new mechanism which is called 3-RPRR similarly planar fully compliant parallel manipulator is designed.The design of such a new model is based on the configuration and geometric constraints of a 3-RPRR whole compliant manipulator.The model of3-RPRR fully compliant parallel manipulator and 3-RPRR similarly planar fully compliant parallel manipulator are designed firstly.Then,by utilizing the Hyperworks software,the finite element analysis of the two institutions and their chains are carried out,and combining with the principle of virtual work,the static stiffness models of the two mechanisms are deduced.At last,the modal frequency analysis is finished by the same software.The result shows that,the static stiffness,anti-interference performance and vibration resistance of 3-RPRR similarly planar fully compliant parallel manipulator are better than its prototype.
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发布时间：2022-10-20 - 摘要：For reducing labor costs and improving the effect of lower limb rehabilitation training,a new-type multi-link lower limb rehabilitation robot is designed.Based on the research of the biomechanics of human walking and the mapping relations of human joint trajectory,a new-type multi-link lower limb rehabilitation robot is presented,and the kinematics model of the robot is established and analyzed to get the hip and knee angle curve of the robot.Meanwhile,the influence of key structural parameter on the joint trajectory and the mapping relationship is analyzed.The evaluation index of joint trajectory and the reproducibility of mapping relationship is established.By using the MATLAB,the structure parameters of multi-link lower limb rehabilitation mechanism is optimized.According to the results,the structure parameters of the robot structure are revised.
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发布时间：2022-10-20 - 摘要：With the development of manufacturing industry informatization,the gear product modeling is particularly important,it is the basis of analyzing the gear mesh performance.The actual tooth profile of straight bevel gear is plane involutes on its big end back cone tangent plane,because of the theory of involutes spherical design and manufacturing difficulty.For bevel gear product consistency in modeling,design and manufacturing,by using the equivalent teeth number method,involutes parametric equation is established on straight bevel gear big end back cone tangent plane through coordinate transformation.The straight bevel gear model is established by using this method.The modeling process is simplified.The modeling accuracy is satisfied design and manufacturing by analysis.
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发布时间：2022-10-20 - 摘要：The inner transmission train model based on hybrid-driving is built and the numerically simulation is carried out.By using the servo motor as the executor to add compensating motion to the adjustable portion of the transmission train,to make the actual speed of the end piece of the transmission train close to its ideal speed.After establishing dynamic model,the Simulink tool in the MATLAB software is applied to implement modeling and numerical simulation in a computer.Taking the main transmission system of a hobbing machine as simulated object,the numerically simulation of the speed changes in the cutting process of gears with teeth numbers of 38 & 50 are carried out.According to the simulation,it is confirmed that this hybrid-driving inner transmission train is feasible,and the transmission errors are equivalent to the errors of the detecting sensor of end pieces.
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发布时间：2022-10-20 - 摘要：For the purpose of improving the engagement qualities of harmonic drive（ HD）,taking the HD with the drive ratio 100 as example,the basic conjugated tooth profile for involute tooth profile is calculated based on the modified kinematics method of HD and the elastic deformation of flexspline,the tooth profile optimization design model is established and calculated by using the iteration method of MATLAB,in order to verify the correctness of the aforementioned model,the engagement state of the tooth profile after optimized is studied.The results show that effective conjugate exist domain and effective conjugate tooth profile are found,in order to avoid the interference during the engagement process,the three-dimensional tooth profile must be applied as the conjugate tooth profile.Finally,the correctness of all of the aforementioned model are verified by the characteristics,such as non-interference during the assembly and movement process,more number of teeth participated in engagement and large transmission ratio.
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发布时间：2022-10-20 - 摘要：On the basis of the meshing theory of circular-arc tooth curvilinear cylinder gear,the corresponding design method and cutting theory are studied,and the tooth surface forming principle is analyzed.By using a double-sided cutter generating method and taking the cutting cone tooth surface which formed by cutter blade rotating as the imaginary tooth surface,the meshing process of the circular-arc tooth curvilinear cylindrical gear is simulated,the tooth surface equation is derived,the tooth surface numerical simulation is carried out and the visualization is realized.Then,the finite element mesh model is imported into ABAQUS software to carry out the finite element analysis,the contrastive analysis between the finite element analysis result and Hertz contact theory is carried out,and the result shows that built finite element model is reasonable.Through the comparison between the analysis results and the cylindrical gear with the same size,the result shows that the contact strength of circular-arc tooth curvilinear cylindrical gear is better than spur involute cylindrical gear.Beside,through the comparison analysis of the three groups size calculation examples of cutter radius,the relation between the cutter radius size and stress size is obtained.
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发布时间：2022-10-20 - 摘要：In order to study the gear transmission principle of differential planetary mechanism of reducer,the teeth-distributing calculating and the transmission ratio confirming of the differential mechanism are carried out.According to the analysis and calculation results,the overall structure design of reducer is carried out.The results show that,the designed structure can meet the design requirements of coaxial,inversion,constant output.
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发布时间：2022-10-20 - 摘要：The asymmetric involute gear tooth is designed,a collaborative coordinate of rack cutter,gear blanks and frame is built,the end face of rack cutter is designed,the tooth profile equation is determined,the tooth profile is simulated.The stress of single contact point to active small gear is analyzed,four force pressure angle combination are calculated using the formula method on 20° /20°,25° /20°,30° /20° and 35° /20°,the result is verified by using the finite element method,the comparative analysis results show that work with large pressure angle tooth surface can effectively improve the contact strength and bending strength of the gear.
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发布时间：2022-10-20 - 摘要：The Jacobian matrix is a key concept in mechanisms and profoundly reflect the nature of the mechanism,which provides us not only a kinematics mapping relations,it also sets a basis for mechanism analysis and synthesis in the future.A universal calculation method for Jacobian matrix of parallel mechanism is presented based on screw theory.Due to its style of construction,tedious steps in normal calculation method,including observation and derivation are nicely avoided,which makes this new method much more simplified.Meanwhile,since its modularization in style,this method also provides its advantages in computer aided programming.A limited-DOF parallel manipulator 3-RPS is used as an example to testify the superiority of this method,which also set a good foundation for further performance analysis and design.
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发布时间：2022-10-20 - 摘要：It is always a problem to improve the quality of copper foil shearing in PCB production.In order to research and develop copper foil shearing machine which has international competitiveness,taking the shearing mechanism of copper foil shearing machine designed by Rosenthal company in US as study object,the mechanism principle of shearing mechanism is descriped and the degree of freedom of mechanism is calculated.The motion analysis of shearing mechanism is carried out based on the methods of spatial mechanism kinematics and numerical calculation.Then,the analytic parameter formula of shearing mechanism cut point is deduced.The motion feature of shearing mechanism based on high speed and high cutting quality is proposed through the numerical experimentation and simulation experiment of shearing machine with 1500 copper foil breadth.The movement curve and controllable parameter which affects the performance of mechanism are obtained.The research contents can be taken as reference for the optimization of cutting blade mechanism design parameters.
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发布时间：2022-10-20 - 摘要：In order to reveal the vibration mechanism under the working state of the polishing grinding head,the two teeth difference external compound planet gear transmission system for the new polishing grinding head is studied.The structure characteristics and the planet wheel assembly condition are analyzed,and the 3D model of the system structure is built up by using Solid Works software.The Simulation module is utilized for modal analysis of the transmission system by using finite element method.The natural frequency and corresponding vibration mode are obtained.The analysis results provided a useful reference for the study of free vibration,dynamic response and vibration suppression in polishing grinding of the two teeth difference external compound planet gear transmission system.
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发布时间：2022-10-20 - 摘要：The gear rack drilling rig hoisting system adopts statically indeterminate structure design,in the process of drill-down and lifting,the loading asymmetry influences the synchronism of gear rack meshing movement.Therefore,it is very important to study the meshing characteristic of gear rack in the case of asymmetric loading.The meshing synchronism of gear rack in cases of different types of loading is analyzed with the gear as the research object based on finite element analysis of gear rack meshing through ABAQUS and by the use of joint simulation method of ADAMS and Solid Works,and intensity checking is conducted on each gear.Through calculation and analysis,that force of gear partial to asymmetric loading is greater than that of another side,but the difference is within tolerance.Taking fatigue factor into account,it is required to increase gear strength.
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发布时间：2022-10-20 - 摘要：In order to determine the motor drive motion of intermittent chain transmission,the recursive modeling approach based on relative coordinates in Recur Dyn is studied.Combining with permanent magnet synchronous motor model,the dynamics model of intermittent chain transmission system and motor model are established in Recur Dyn and Matlab / Simulink separately,and the correctness of the two models are verified.Using Recur Dyn / control module to combine with both,mechatronic simulation is carried out under three kinematic law of intermittent motion.The simulation results show that,compared to modification constant velocity（ MCV） kinematic law,modification sine（ MS） and modification trapezoid（ MT） kinematic law for intermittent drive is better,and MT kinematic law can give motor higher torque store margin and lower overload requirements.
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发布时间：2022-10-20 - 摘要：In the case of dry friction,the stress value and distribution on and under contact surface of gear and rack are analyzed in terms of elasticity theory,the results show that the maximum shear stress moves to the tooth surface with the increase of friction factor,and the maximum shear stress mostly occurs on the nether boundary point of single tooth mesh area of the gear.
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发布时间：2022-10-20 - 摘要：Based on a typical component in the large crane reducer as the object,a three-dimensional tolerance model is established.Through sensitivity numeric analysis,the critical and non-critical dimensions influencing the assembly requirements can be found out,the reasonable distribution of each component tolerances can be achieved,which lays a basis for the optimization of components accuracy design.
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发布时间：2022-10-20 - 摘要：The slewing reducer is widely applied in the field of solar photovoltaic power generation.Aiming at the high probability problem of the contact fatigue strength at the gear surface in all fatigue failure,by using the ABAQUS,the simulation analysis of dynamics contact problem is carried out.In order to simplify the problem and improve the precision of the model,a novel method is proposed.The worm is taken as a rigid body,and the slewing gear is taken as the flexible body,and then the contact fatigue analysis is carried out.The simulation results show that the model tallies with the actual situation,and the analysis results can provide guidance for the design optimization.
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发布时间：2022-10-20 - 摘要：According to the characteristics of coal cutting drum of shearer,the stress of drum is analyzed,the mechanical model of planetary reduction gear solar wheel’ s torque,instantaneous rotational speed and tangential force are obtained.By using the MATLAB software,the simulation of the derived mathematical model in sun wheel is carried out,with the pick position angle changes,the variation images of the solar wheel’s torque,instantaneous rotational speed and tangential force are obtained.Finally,the damage value under different loads is obtained by experiment,and based on the application of the Miner’s linear cumulative damage,the life of sun wheel is analyzed,it reaches a conclusion.For further optimal design of small size,high power of shearer provide a reliable theoretical basis.
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发布时间：2022-10-20 - 摘要：According to an electric automotive gearbox,the dynamics simulation of the reducer two-stage gear transmission is established in ADAMS and the dynamic loads of bearing seat are obtained.The finite element model（ FEM） of gearbox housing is established,the nature frequency and vibration mode are obtained through the analysis of the modal.The data are loaded into the finite element model and the modal frequency response analysis is carried out.Then,the topology optimization of gearbox housing is conducted,the results show that the vibration response amplitudes are significantly reduced.
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发布时间：2022-10-20 - 摘要：Aiming at the problems of velocity loss of multi-wedge belt drive system in the process of operation,the multi-wedge belt drive speed loss test bench of two same size pulleys is established,the influences of the load torque,input speed,belt pre-tension,pulley diameter and belt length on belt velocity loss are obtained by using the multi-wedge belt drive test bench.The results show that increase the system load torque,reduce the input speed,belt pre-tension,pulley diameter and belt length,the multi-wedge belt drive velocity loss will be increased.The experimental study is conducted based on the multi-wedge belt drive system of key parameters,the influence of relevant parameters on system velocity loss is got,it can provide a certain reference for optimization design of the follow-up multi-wedge belt drive system.
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发布时间：2022-10-20 - 摘要：With micro-plastic-mechanics theory and FEM（ finite element method）,the performance of a pair of micro gears mechanism is studied.The elastic-plastic finite element computation format based on the size effect is established and put into effect with UPFs（ User-programmable features） in ANSYS.This computation format is verified through comparing the micro-indention experiment of the polycrystalline copper with the computation results with FEM.Considering the size effect of the micro asperity,the influence of the micro geometric features（ burrs and roughness） in the manufacturing errors of gears on the performance of this mechanism is studied with substructure FEM with computation program.The basis is supported for the mechanical trace failure analysis of gear mechanism through the study and the computation efficiency and the accuracy of the simulation is improved.
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发布时间：2022-10-20 - 摘要：The backlash is an important indicator of cycloid drive,and the modification is a major factor.Comprehensively considering the bearing capacity and backlash of the whole machine,the modification optimization of the cycloid gear is carried out by using the Matlab optimization tools,and a conclusion that high precision cycloid drive adopting " negative equidistance + negative shift" composite modification will get ideal cycloid gear profile is obtained.
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发布时间：2022-10-20 - 摘要：In view of the problem that the conventional analysis method cannot directly solve reliability problem of the complex cylinder sine oscillating tooth transmission system,a simulation method based on minimal cut sets of fault tree is proposed,which can solves system reliability.According to the structural characteristics of cylinder sine oscillating tooth transmission,the function block diagram of the system is given and the fault tree of the system is built.The minimal cut sets of the fault tree are acquired,and the cumulative failure probability and the probability density are calculated.Different types life distribution function of the system are fitted out.The life distribution function is determined preliminarily based on the principle of minimum residual sum of squared,and the K-S hypothesis testing is carried out for the life distribution function,which ultimately determine life distribution function of cylinder sine oscillating tooth transmission is Weibull distribution.The weak links of cylinder sine oscillating tooth transmission system are determined by analysis of model importance.
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发布时间：2022-10-20 - 摘要：For the detection of grinding burn about tooth flank of cylindrical gear and bevel gear after grinding,the grinding burn detection system based on manipulator is proposed,which improves the degree of automation and reliability.The Barkhausen noise inspection method for detection grinding burn is focused on introduced.The automatically detected is performed by the sensor on a robot and a turntable.The experimental results demonstrate the feasibility of this method for quality control in gear production.
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发布时间：2022-10-20 - 摘要：While generating grinding the modification cylindrical gear,the special diamond wheel is used as a tool to dress the tooth profile of worm grinding usually.The diamond wheel is selected according to the different modification parameters of gear.The diamond wheel with arch edge is used as dressing tool for worm grinding wheels with different profile parameters.The dressing route of the diamond wheel is planned.The machine tool model for dressing worm grinding wheel is established in VERICUT,and the dressing simulation is proceeded also.In the end,the grinding experiments of modification gear and the gear surface measurement are carried out,which illustrated that the dressing method for worm grinding wheel is correct and feasible.
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发布时间：2022-10-20 - 摘要：The method of independent component analysis is widely used in mechanical equipment fault diagnosis domain.A novel method named as constrained robust independent component analysis（ cRobust ICA）based on Robust ICA algorithm is proposed which utilized prior information about the fault characteristic frequency.Firstly,how to create the reference signal is discussed.Then,the measurement function between reference signal and desired independent component（ IC） is defined.At last,an enhanced contrast function is acquired by modifying a generally used kurtosis contrast function with closeness measurement.A contrastive study on the conventional Fast ICA is adopted to demonstrate the effectiveness and accuracy of the cRobust ICA by numerical simulations and experiments.
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发布时间：2022-10-20 - 摘要：Wind power gearbox assembly process quality has a decisive influence on the wind power gearbox assembly quality,it has important significance for improving the reliability of wind power gearbox.Aiming at the three assembly process difficulties problems of the two-stage planetary level parallel axis structure of wind power gearbox about planetary wheel,planet wheel axial momentum assurance and the measurement,body up and down box after box,surface level degree guarantee.Firstly,the deeply analysis planetary gear assembly parts matching relationship,the principle of bearing axial clearance control,the structure of rear housing,and then,the solution is put forward.Finally,the process scheme is verified.
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发布时间：2022-10-20 - 摘要：The hirth coupling is widely used in the centrifugal air compressor unit due to its characteristic of high torque capacity and self centering etc.It is aimed at deriving the accurate calculating formulas of hirth tooth shape,to provide accurate parameters for the hirth forming grinding.
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发布时间：2022-10-20 - 摘要：Aiming at the problem of contact region defects,broken in outer of passive gear and input bevel gear shaft,poor interchange ability and so on caused by cutting interference in the Klingelnberg spiral bevel gear pair,and the cause is analyzed.Some improvement methods are put forward from contact trail readjusting,reducing meshing impact,material,process controlling etc.Through the proper process adjustment,the quality of the contact region can be improved,the interference can be eliminated and the life of gear and interchangeability are improved.
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发布时间：2022-10-20 - 摘要：Combining with the DFSS innovation design method and Loaded gear contact simulation analysis,the contact pattern of one pair of gear under high torque is optimized.Meanwhile,the key factor and their influence extent are also obtained and the parameters are optimized by the DOE method.Finally,the experiment result shows that the optimized-parameter are correct and reliable.
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发布时间：2022-10-20 - 摘要：For the case of the gear tooth broken,which belongs to the bucket wheel reclaimer,by using COSMOS finite element analysis method,the details of the failure is scientifically analyzed.The broken tooth is repaired by using the laser overlaying welding technology.The results of repair show that the application of laser remanufacturing technology in the parts restoration works of hoisting and conveying machinery is of great significance in engineering,it can not only ensure the safety and reliability of the repaired parts,but also greatly reduces the enterprise production operation cost and improves the production efficiency.
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发布时间：2022-10-20 - 摘要：<正>杭州娃哈哈科技有限公司继承了二十多年来娃哈哈在饮料机械装备开发、技术改造、系统集成应用方面的深厚经验,进入智能装备研发制造领域,在研究机器人系统集成应用的同时,从事工业机器人,特别是专用机器人本体的研究和制造。科技公司致力于高端机电装备的开发与产业拓展,重点开发与制造高端节能电机、伺服驱动器、工业机器人等产品,提供完整的系统集成应用方案。目前,科技公司拥有硕博学位研究人员99人,高级工程师27人;申请专利22项。
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发布时间：2022-10-20 - 摘要：<正>齿轮箱研究所隶属于大连华锐重工集团股份有限公司,集团公司被评为"国家风电传动与控制工程技术研究中心",齿轮箱研究所负责其风电传动技术的研究和相关产品的开发。齿轮箱研究所汇集了国内外享有盛誉的专家和学者,人员组成包括高级工程师、工程师、博士、硕士等专业技术人员,拥有国际先进的建模和分析软件,如CATIA、KISSsoft、RomaxWIND、SMT、SIMPACK、HyperWorks、ANSYS、Fesafe、MathWorks等,为专业
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发布时间：2022-10-20 - 摘要：<正>江苏新瑞戴维布朗齿轮系统有限公司为新誉集团下属的中英合资企业,注册资本4592万美元。并于2010年9月收购常州减速机总厂有限公司。公司占地面积165000平方米,建筑面积90000平方米,现有职工332人,公司成立了江苏省齿轮传动与控制工程技术研究中心,并与华中科技大学联合成立了企业院士工作站。
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发布时间：2022-10-20 - 摘要：<正>浙江浦江齿轮有限公司是浙江齿轮厂改制组建的。经过了近四十余年的持续发展,形成了较为完善的产品开发、生产、经营、质量管理体系,拥有先进的齿形加工、热处理、锻造等工艺装备及完备的齿形检测手段,专业加工生产5级精度以下、12个模数以内的各类齿轮,年加工生产能力600万件。浦江齿轮长期致力于技术创新和核心竞争力的提升,建有国家认定的企业技术中心,拥有数十项核心技术和专利,是国家高新技术企业。
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发布时间：2022-10-20 - 摘要：<正>年齿专家独一无二常州市格里森前进齿轮有限公司（原常州市湖塘前进齿轮厂）,是专业生产制造弧齿锥齿轮的厂家,通过ISO9001-2008认证,商标是以"弧音牌"为标志（看是弧形,听似无音）。本公司地处常州四大名镇之一的湖塘镇南,位于沿江高速常州南下西侧,近于常州大学城和武进高新技术开发区。已有20多年生产齿轮的历史,拥有专业工程技术人员和娴熟的技术工人队伍,并拥有各种国产、美国、德国、日本进口
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发布时间：2022-10-20 - 摘要：<正>《机电工程技术》杂志创刊于1971年,为国际大16开本（210mm×285mm）,全彩+黑白印刷,月刊（每月20日出版）,国内外公开发行,在制造业影响大、读者面广,由广东省机械研究所、广东省机械技术情报站和广东省机械工程学会联合主办。本刊是经过国家科技部、国家新闻出版总署批准出版的大型综合性机电期刊,专注报道机电工业领域的行业动态、先进技术、市场趋势及供求信息,面向机电产品企业高级管理人员、生产设计部门技术人员、产品和市场部经理,
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发布时间：2022-10-20 - 摘要：<正>杭州东华链条集团有限公司创建于1991年,拥有4家国内全资子公司和7家海外子公司,是一家全国规模最大的生产、销售链条、链轮、齿轮等传动件产品的专业制造企业,年生产能力达4000多万米,综合实力为中国链行业第一,东华也是中国机械通用零部件工业协会链传动分会连续多届的会长单位。公司拥有"東華"（DONGHUA）、"自强"和"盾牌"三大品牌,東華（"DONGHUA"）牌商标已在美国、德国、日本等73个国家注册,2008年被认定为中国驰名商标;"自强"牌链条为浙江省名牌产品、浙江省著名商标。
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发布时间：2022-10-20 - 摘要：<正>重庆机床（集团）有限责任公司（以下简称重庆机床集团）成立于1940年,先后试制成功中国第一台滚齿机、剃齿机、插齿机、蜗轮母机等制齿机床,是中国制齿设备诞生的摇篮。目前,重庆机床集团拥有加工直径Φ10mm-3200mm,数控轴一轴至九轴9个系列90余种制齿机床,广泛应用于汽车、工程机械、船舶、能源矿山、航空航天等行业,国内市场占有率长期保持在60%以上,并远销美国、日本、韩国、法国等80个国家和地区,已成为中国齿轮机床行业排头兵,世界上制齿机床产销量最大的制
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发布时间：2022-10-20 - 摘要：<正>常州天山重工机械有限公司成立于2002年12月12日,位于常州国家高新技术产业开发区,公司总占地面积66670平方米,建筑面积47257平方米,总资产为7.3亿元。公司拥有大小数控设备200余台,是目前国内从事高精度、重载齿轮配套的专业生产厂家。公司以"精密制造,服务世界"为使命,2010年公司引进了世界第一台德国NILES 8米磨齿机和美国Gleason-PFAUTER 10米高速滚齿机,用于矿山、建材、精密机床
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发布时间：2022-10-20 - 摘要：<正>我们致力为您提供最完善的传动方案我们的减速机产品,成功应用在全球上万条通用食品及包装生产线上,不仅保证生产线的平稳运行,更实现了节能减排的目标。星光传动自1965年开始专注减速机的研发与生产,自主开发无级变速器、摆线针轮减速机、蜗轮蜗杆减速器、四大系列齿轮减速机、NCJ系列齿轮减速机,拥有多项专利产品,广泛应用于食品加工、酒水灌装、陶瓷、木工、玻璃制造、包装印刷等通用机械行业。
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发布时间：2022-10-20 - 摘要：<正>江阴市科安传动机械有限公司是生产高精度弧齿锥齿轮的专业制造公司,拥有全球最先进的美国格里森凤凰磨齿机8台,配套铣齿机、热处理及其它辅助设备80余台,配有齿轮测量中心等专用检测设备,其模数规格涵盖从2-30不等,最大磨齿加工直径Φ980mm,主轴通孔直径Φ170mm,最大铣齿加工直径Φ1720mm,主轴通孔直径Φ320mm,传动比从1:11:10之间,最高精度等级可达国标GB11365-89 4级公司凭借专业的制造经验,优秀的管理团队和深厚的企业文化,严密的ISO9001:2008质量管理体系和完善的ERP管理确保质量的可控性,
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发布时间：2022-10-20 - 摘要：<正>公司简介:哈尔滨广瀚动力传动有限公司是中国船舶重工集团公司第七○三研究所控股子公司,黑龙江省高新技术企业,公司以七○三所舰船动力传动专业为技术依托,拥有强大的设计、研发能力。公司通过长期的技术积累,掌握了高速、重载等核心动力传动技术,形成了一支高水平的研发技术团队,涵盖机、电、液等专业方向,实践经验丰富,研发模式已由传统的经验模式转变为更加严谨的理论一试验相结合模式,精通动力学分析、静力学分析、应力应变分析、流体仿真分析、
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发布时间：2022-10-20 - 摘要：<正>欢迎订阅欢迎刊登广告欢迎投稿主办单位:南京机械工程学会南京机电产业（集团）有限公司主要栏目:综述与展望;机械制造与研究;信息技术;电气技术与自动化;节能技术◎邮发代号:28-291◎国内统一连续出版物号:CN 32-1643/TH国际标准连续出版物号:ISSN 1671-5276◎发行范围:国内外公开发行◎订阅处:全国各地邮局（所）,也可直接向本刊编辑部订购◎刊期:双月刊◎开本:大16开◎定价:每本12元（全年72元）
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发布时间：2022-10-20 - 摘要：<正>昆山荣星动力传动有限公司是我国著名的研发、生产和经营传动机械产品的专业公司。公司自1999年成立以来,以其研发能力之雄厚和产品品质之精良广受国内外军、民品客户和同行业界所尊重和认可。我公司可以为客户提供以下服务:按客户提供的工艺参数和技术要求,提供动力系统"最优性价比"的"整体解决方案";按整体解决方案准时提供"全套传动产品";为全套传动产品提供最完善的"终身跟踪服务",保证服务人员24小时内应召到现场,无条件
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发布时间：2022-10-20 - 摘要：<正>索特传动设备有限公司是三一集团的全资子公司,成立于2008年,注册资本8亿元,2010年被评为江苏省高新技术企业,2011年被评为苏州市创新先锋企业,2011年被评为苏州市内资研发机构,2013年被评为江苏省工程技术中心。其业务范围包括:风电、工程机械配套核心零部件（包括回转支承、减速机、齿轮、液压阀）等设计、加工、服务。公司秉承三一集团"品质改变世界"的核心理念,本着高起点、高技术、高水平的原则,通过研发、制造、服务、管理的全面创新,通过先进的设备和一流的管理为客户提供世界一流的风电及工程机械产品零部件供应
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发布时间：2022-10-20 - 摘要：<正>浙江中益机械有限公司,刨建于1954年,于2003年12月由原嵊州市机械链轮厂改制为浙江中益机械有限公司,注册资本8900万元,总资产6.1亿元。是中国第一家链轮制造企业,也是目前全球最大的标准链轮生产企业。公司占地面积42万平方米,生产车间达14万平方米,现有员工800多人。公司拥有加工中心、数控等各类机床800多台（套）,并配备了三坐标仪等各类精密检测设备,公司运用先进的三维机械设计等软件进
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发布时间：2022-10-20 - 摘要：<正>公司简介江苏昊克传动科技股份有限公司（原江阴克威齿轮箱制造有限公司）位于江阴市璜土镇常工业开发区,紧靠沪宁高速公路常州龙虎塘出口江阴方向1.5公里处,南邻中华恐龙园,交通极为便利。本公司占地面积38000平方米,建筑面积28000平方米,具有花园式厂区。本公司是硬齿面齿轮箱的专业生产企业,公司员工近300人,科技人员近50人。公司技术力量雄厚,生产设备齐全,检测手段先进,产品开发能力强,交货周期短,供货价格合理,售后服务及时周到,并能为客户设计制造各类非标齿轮及齿轮
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发布时间：2022-10-20 - 摘要：<正>南车戚墅堰机车车辆工艺研究所有限公司（以下简称"中国南车戚墅堰所"）始建于1959年,是中国南车旗下全资子公司,是我国轨道交通装备材料及制造工艺的专业研究机构,江苏省高新技术企业。中国南车戚墅堰所占地近80万平方米,配备各型先进设备2000余台套,目前已形成了轨道交通装备关键零部件、齿轮传动系统、工程机械、汽车零部件、柴油机零部件等主要产业板块。2012年,公司
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发布时间：2022-10-20 - 摘要：<正>山东省德州市金宇机械有限公司（原为87062部队减速机厂）,隶属于空军军械所,始建于1984年,是一家从事平面二次包络减速机、圆弧齿蜗轮减速机、精密无间隙蜗轮副等产品的开发、设计、生产、制造的专业厂家。聘请平面二次环面包络蜗杆发明者、《平面二次包络减速机国家标准》起草人张工为技术总监。机械工业设计院圆弧齿研究室推荐单位,荣获4项国家技术专利,参展中国工程机械宝马展,入选中航工业精密机
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发布时间：2022-10-20 - 摘要：<正>唯一专注于高速传动齿轮装置制造商服务热线:025-84514527公司简介南京创力传动机械有限公司是一家融合费城高速齿轮、军工传动技术及产品创新、研发、制造、质量控制服务为一体的高新技术企业。公司专业研制石油化工,航空、航天、船舶、核泵、电力、造纸、钢铁、水泥、通用机械等重大装备所需的高速齿轮传动装置是国内高速齿轮传动装置专业设计生产、制造、科研基地,是中国高速齿轮传动第一品牌。公司装备有德国Niles1200、Niles630数控成形磨齿机、HBM-4T数控镗铣加工中心、3180系列滚齿机、高速动平衡机
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发布时间：2022-10-20 - 摘要：<正>滑油金属屑末在线监测设备◆公司简介浙江中欣动力测控技术有限公司是一家从事动力设备在线健康检测技术研发的高科技企业,主要从事军品相关项目的技术研发、生产和配套加工。公司研发的基于电磁、电容及光纤等传感技术的检测系统为航空发动机、汽轮机、燃气轮机、风力发电机以及船舶动力等设备的安全运行提供保障。
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发布时间：2022-10-20 - 摘要：<正>白鸽磨料磨具有限公司隶属于中国机械工业集团有限公司,始建于1956年,是国家"一五"期间156个重点建设项目之一。公司自创建以来,不断创新,把握国际先进水平,"白鸽"牌产品不仅畅销全国,并远销世界70多个国家和地区。公司主要产品为固结磨具、涂附磨具、金刚石滚轮及超硬材料制品等。金刚石修整滚轮是用于精密成型磨削的专用机床加工用砂轮的修整工具,具有修整精度高,几何尺寸不易变化,高效率、高寿命、低成本的优势。其工作原理是:通
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发布时间：2022-10-20 - 摘要：<正>塞特精密江阴塞特精密工具有限公司,系江阴市工具厂转型企业,专业从事精密、复杂刀具的设计与制造。公司拥有40多年的历史,持续致力于人才培养、产品研发技术发展与设备更新,已稳步成长为国内精密刀具行业综台实力最强的企业之一,是国内外众多大型企业指定刀具合伙伴。塞特精密秉承40年刀具制造技术与经验,积极面向市场,真诚服务
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发布时间：2022-10-20 - 摘要：<正>河南济源钢铁（集团）有限公司系中国企业500强、世界钢铁企业100强,是中钢协和中特钢理事单位,是国内最大规模的高端线棒材优特钢专业化生产企业。国内唯一一家可生产Φ5.5-42mm全规格线材、Φ16-300mm全规格棒材及Φ600mm大圆坯的精品优特钢长材生产基地。企业战略目标:建成中国一流、全球有影响力的优特钢精品基地。
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发布时间：2022-10-20 - 摘要：<正>《工具技术》创刊于1964年,是成都工具研究所主办的切削与测量工程综合性技术刊物,中文核心期刊,中国科技核心期刊。主要报道机械加工中切削与测量技术的最新进展,金属理论研究,刀具设计及应用,刀具磨削设备及工艺,刀具涂层及技术,刀具磨损和破损在线技术,新材料及难加工材料的切削技术,专用刀具的研发;新的测量方法研究与新型量具量仪开发,精密测
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发布时间：2022-10-20 - 摘要：<正>国内专业的减速器检验机构2010年由江苏省质量技术监督局批准成立的第三方检验机构,具备法定检验资质。资质范围涵盖齿轮减速器、行星齿轮减速器、蜗轮蜗杆减速器、摆线针轮减速机器、谐波减速器以及其他类型减速器的整机综合性能、齿轮精度、金属材质等诸多项目。
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发布时间：2022-10-20 - 摘要：<正>由中国机械通用零部件工业协会齿轮分会（CGMA）主办,汉诺威米兰展览（上海）有限公司、郑州机械研究所、杭州前进齿轮箱集团股份有限公司等单位承办的2015中国国际齿轮产业技术大会暨CGMA年会于2015年10月26-28日在上海新国际博览中心隆重召开。来自海内外的200多位齿轮及上下游产业的企业家、专家、学者齐聚一堂,共同探讨齿轮产业发展的机遇和路径。本次大会的主题是:新常态、新
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发布时间：2022-10-20 - 摘要：<正>南高齿是一家以"中国传动"在香港上市的跨国公司,其下属核心业务之一——南高齿齿轮集团定位于"齿轮箱与动力传动解决方案专家",是全球风能传动和工业传动设备的领军企业之一。南高齿齿轮集团以齿轮箱技术和服务为核心业务,集生产、研发、销售、服务于一体,面向能源,重大装备和通用设备等工业领域,并致力于在清洁能源,低耗和高效领域的长期投入。凭借领先的技术、可靠的质量、周到的服务,南高齿齿轮集团已成为全球动力传动领域用户可信赖的合作伙伴。
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发布时间：2022-10-20
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