SolidWorks Modeling Research Articles

Product Remanufacturability Assessment and Implementation Based on Design Features

The design of a product can have substantial and significant impact on the decision-making processes across a product's life-cycle as well as its remanufacturability. A product CAD model provides a rich and useful source of information for remanufacturability assessment. This paper presents a product remanufacturability assessment model consisting of a set of numerical metrics, namely, disassembly accessibility, product complexity, disassemblability, and recoverability, based on the design features and information available in CAD models, e.g., bill of material, mating features, dimension and tolerance features, tools and accessories, etc. A software tool is developed for the implementation and integration of the proposed metrics based on CAD models as input. A case study using a SolidWorks model of an automotive part is presented and discussed to validate the proposed assessment approach.

Prediction of Pressing Quality for Press-Fit Assembly Based on Press-Fit Curve and Maximum Press-Mounting Force

In order to predict pressing quality of precision press-fit assembly, press-fit curves and maximum press-mounting force of press-fit assemblies were investigated by finite element analysis (FEA). The analysis was based on a 3D Solidworks model using the real dimensions of the microparts and the subsequent FEA model that was built using ANSYS Workbench. The press-fit process could thus be simulated on the basis of static structure analysis. To verify the FEA results, experiments were carried out using a press-mounting apparatus. The results show that the press-fit curves obtained by FEA agree closely with the curves obtained using the experimental method. In addition, the maximum press-mounting force calculated by FEA agrees with that obtained by the experimental method, with the maximum deviation being 4.6%, a value that can be tolerated. The comparison shows that the press-fit curve and max press-mounting force calculated by FEA can be used for predicting the pressing quality during precision press-fit assembly.

The Combined Simulation of High-Speed Parallel Manipulator Based on MATLAB, SolidWorks and ADAMS

This paper mainly focuses on the modeling and simulation of a three-DOF high-speed parallel robot which is widely used in the design of an enterprise vials testing equipment. For high-speed parallel manipulator rapid modeling and collaborative simulation, we study the two methods. One approach is to transfer the 3D SOLIDWORKS model into MATLAB/ SIMULINK model. Another method is to convert the three-dimensional model of SOLIDWORKS models into ADAMS. ADAMS and SIMULINK work together as a simulation platform. The results show that the two methods could provide the efficient and significant simulation platform to research the control strategy of High-speed parallel manipulator.

Based on Rub a Drum Machine Four-Axis Machining Fixture Design and Modeling in Solidworks and Virtual Assembly

The problem of the actual production process is based on the concentrated four-axis machining process, high machining precision and machining difficulty of rub the drum parts, the author analyzes the four-axis machining fixture design of rub the drum, and then puts forward the method of the four-axis machining fixture design of rub the drum, offering the fixture design flow chart. Taking Solidworks software as a platform, the author makes a analysis of 3D digital design and assembly to rub the drum, fixture and clamping mechanism, completes the virtual assembly with rub the drum, fixture and clamping mechanism, realizing the integrated design, making the structure of the clamp more clearly and shortening the product development cycle.

The Mathematic Model of End Mill’s Rake Face Based on the Fillet and Two Attitude Angles of Grinding Wheel

The mathematic model of rake face was set up for precise description on the rake face of end mill in grinding process, with its basis on the fillet of grinding wheel with six axes linkage movement and two attitude angles. The sectional drawing of rake face and three-dimensional entity were drawn based on the mathematic model in SolidWorks. At the same time, the discrete entity of rake face also set up based on the Boolean calculation. The sectional drawing of mathematic model and the discrete entity tallies with each other perfectly, which indicates the correctness about the mathematic model of rake face.

Research on Screw Extruder Die Pressure and Speed Relationship

This paper studies the variation of speed and pressure to achieve accurate control of the die pressure for screw extruder based on high viscosity PVC production. SolidWorks was used to establish the model of screw extruder, and then imported SolidWorks models into the ANSYS to analysis the relationship of speed and die pressure at the speed of 2rpm to 7rpm.It laid the foundation of establishing extruder pressure control system.

Integration of Modeling in Solidworks and Matlab/Simulink Environments

Abstract In the paper, the authors present construction stages of simulation models worked out using SolidWorks and Matlab/Simulink environments. As examples of simulation models, a laboratory truck crane and a forest crane have been shown. These models allow for visualization of movements, tracking of the trajectory, velocity and acceleration of any point of the system.

A Novel Implant Regarding Transcondylar Humeral Fractures Stabilization. A Comparative Study of Two Approaches

The osteosynthesis of transcondylar humeral fractures is an important branch of the upper limb traumatology. The bone- implant assembly has to be strong enough to resist the high loads arising during the early rehabilitation program, while keeping the soft tissue stripping to a minimum. Using the finite element method, this study compares two alternatives of stabilization of this kind of fractures by means of a new type of implant, less expensive than the existing locking plates and, more importantly, minimally-invasive. This implant comprises two modified cortical screws (one for each column of the distal humerus) and a Kirschner wire (or a partial threaded screw) which locks the screws transversally at the epiphysis. The screws can be placed in the middle of the columns of the distal humerus or with an eccentricity, immediately under the cortical shell of the bone. Using data from distal humerus CT scans, two CAD (Solidworks) models of the bone and implants were produced, imported, edited, loaded and analysed in a finite element analysis program (Ansys). The results indicate that the subcortical placement of the screws is more favorable than the intracancellous one, leading to increased stiffness of the bone-implant assembly. This stage the first refinement of this method and this study will be followed by computer, in-vitro and clinical studies, comparing the behavior of this alternative to the existing standard implants.

Flow Field Simulation of Fan Nozzle Jet Used for Disc Tool Cooling with Fluent

Fan nozzle is the core component of tool cooling system, but the study on spray characteristics of the nozzle is not deep enough. Solid Works model of fan nozzle was established in this paper, the injection characteristics of nozzle are simulated by FLUENT analysis. Influence law of the injection characteristics of fan nozzle was studied by changing some parameters of fan nozzle spray in the process, such as liquid viscosity, nozzle flow, operating pressure and surface tension. The simulation results show that in the case of other parameters are the same, the higher the operating pressure is, the higher the jet velocity of fan nozzle is, the jet diffusion of fan nozzle along a flat direction increases firstly and then decreases; The higher the liquid surface tension is, the smaller the jet diffusion of fan nozzle along a flat direction, but the influence of liquid surface tension to the jet velocity of fan nozzle outlet can be neglected.

Numerical Simulation and Experiment of Hot Roll Forming Large Module Gear

To compare with the other gear manufacturing methods, the hot roll forming process is applied in forming large module gear. The hot gear rolling theory is realized by modeling in Solidworks and Deform-3D, the finite element model (FEM) that coupled deformation and heat transfer was established, and the FE model velocity boundaries were set by converting the workpiece rotation into the revolution speed of the roller. The total displacement of metal flow, folding angel of teeth, effect strain and the temperature distribution of the part were obtained in the whole process of hot gear rolling, also the rolling force was predicted by simulation. The simulation results reveal the forming mechanism, and the rolling experiments were carried out with self-designed rolling mill, which verify that the hot roll forming large gear is feasible.

The CAD/CAE System for Pot Rubber Bearing Based on VB

The current design method of the pot rubber bearing and the existing problems have been analysised.It was ensured that dimension driving method was applied in the SolidWorks modeling driven by Visual Basic. The pre-processing of FEA on the upper bearing plate based on SolidWorks Simulation was ensured, and took the part as an example to show how to use Visual Basic to drive SolidWorks Simulation to realize FEA.

Finite Element Analysis of an Implant‐Assisted Removable Partial Denture

This study analyzes the effects of loading a Kennedy class I implant-assisted removable partial denture (IARPD) using finite element analysis (FEA). Standard RPDs are not originally designed to accommodate a posterior implant load point. The null hypothesis is that the introduction of posteriorly placed implants into an RPD has no effect on the load distribution. A Faro Arm scan was used to extract the geometrical data of a human partially edentulous mandible. A standard plus regular neck (4.8 × 12 mm) Straumann® implant and titanium matrix, tooth roots, and periodontal ligaments were modeled using a combination of reverse engineering in Rapidform XOR2 and solid modeling in Solidworks 2008 FEA program. The model incorporated an RPD and was loaded with a bilateral force of 120 N. ANSYS Workbench 11.0 was used to analyze deformation in the IARPD and elastic strain in the metal framework. FEA identified that the metal framework developed high strain patterns on the major and minor connectors, and the acrylic was subjected to deformation, which could lead to acrylic fractures. The ideal position of the neutral axis was calculated to be 0.75 mm above the ridge. A potentially destructive mismatch of strain distribution was identified between the acrylic and metal framework, which could be a factor in the failure of the acrylic. The metal framework showed high strain patterns on the major and minor connectors around the teeth, while the implant components transferred the load directly to the acrylic.

Segmented Optimization Design of Aluminum Alloy Goal Crossbar Based on FEM

Aluminum alloy goal crossbar (crossbar for short) as an essential part of soccer goals, according to practical needs, needs to be designed in other ways. So the segmented optimization design of crossbar has been proposed.This paper proposes that cut off crossbar from the middle first, then use an iron core turning the segmented crossbar into a whole part again when used. By means of parametric modeling in AutoCAD and SolidWorks and finite element analysis in MARC, the feasibility of the optimization design has been demonstrated. Finally, the paper comes to a conclusion via the way of experimental test.

Research on the Virtual Assembly-Disassembly and Repair of the Automobile Drive Axle

The article made a research on the automobile drive axle, established its three-dimensional model in SolidWorks, and virtually simulated the assembly, disassembly and repair process of the axle shaft, final drive and differential in 3DVIA Composer software. A dedicated virtual simulation platform for automobile drive axle was developed, and the simulation process was controlled individually by the program codes. The virtual simulation platform effectively reproduced the assembly-disassembly and repair process of the automobile drive axle, which provided a good technical documentation for the production practice and teaching practice.

SolidWorks Chain Drive Design and 3D Modeling Techniques

By analyzing the chart data and formulas in the traditional design of the roller chain, together with the SolidWorks modeling features, a fast modeling method of roller chain drive is presented on the basis of the main parameters in the chain drive design. In virtue of the Curve Driven Array, the chain modeling is executed in parts environment, with the track dimension property changed and the dimension driven mathematical formula established to correct the error between theoretical calculation and practical graphics, which ensures a successful array and provides an effective way for the rapid 3D model establishment of chains and the chain drive assembly.

Influence of Fine Threads and Platform-Switching on Crestal Bone Stress Around Implant—A Three-Dimensional Finite Element Analysis

The aims of this study were to investigate the effect of implant fine threads on crestal bone stress compared to a standard smooth implant collar and to analyze how different abutment diameters influenced the crestal bone stress level. Three-dimensional finite element imaging was used to create a cross-sectional model in SolidWorks 2007 software of an implant (5-mm platform and 10 mm in length) placed in the premolar region of the mandible. The implant model was created to resemble a commercially available fine thread implant. Abutments of different diameters (5.0 mm: standard, 4.5 mm, 4.0 mm, and 3.5 mm) were loaded with a force of 100 N at 90° vertical and 40° oblique angles. Finite element analysis was done in COSMOSWorks software, which was used to analyze the stress patterns in bone, especially in the crestal region. Upon loading, the fine thread implant model had greater stress at the crestal bone adjacent to the implant than the smooth neck implant in both vertical and oblique loading. When the abutment diameter decreased progressively from 5.0 mm to 4.5 mm to 4 mm and to 3.5 mm the thread model showed a reduction of stress at the crestal bone level from 23.2 MPa to 15.02 MPa for fine thread and from 22.7 to 13.5 MPa for smooth collar implant group after vertical loading and from 43.7 MPa to 33.1 MPa in fine thread model and from 36.9 to 20.5 MPa in smooth collar implant model after oblique loading. Fine threads increase crestal stress upon loading. Reduced abutment diameter that is platform switching resulted in less stress translated to the crestal bone in the fine thread and smooth neck.

Parametric Optimization Design on Mine Carrier Robot

To a virtual prototype technology for tools，to a movement stationary of the carrier robot for goal, studied on the parametric optimization method based on virtual prototype technology. The paper designed the carrier robot mechanical structure and established the robot parameterization model in Solid Works, divided the robot into twelve rigid bodies, sixteen hinges and two elementary forces. Transferred the rigid bodies models into Universal Mechanism, added the bound hinges and the elementary forces, set the track irregularity model and path model. By computer simulations technology, took the wheelbase for example, introduced the selection method of the best value. The method can be applied to make certain the other parameters of the robot.

Computer Aided Geometric Method of Forward Kinematics Analysis of Multi-Legged Walking Robots

The high order equation causing by analytic method in multi-legged robot forward kinematics analysis may have imaginary root, repeated root, extraneous root or even lost solution. A system based on the theory of computer aided geometric method is proposed. Consideration with the internal structural constraint relations of multi-legged walking robots, the solidworks model was constructed and Visual Basic develop platform was adopted to fulfill the secondary development of solidworks. A system of forward kinematics analysis of multi-legged walking robots is established. The example validates that the system is simple and effective for all reptiles-like quadruped walking robot.

Simulation Analysis of the Tilted-Jaw Crusher Based on ADAMS

Through combine geometric modeling in SOLIDWORKS with dynamic simulation in ADAMS, a tilted-jaw crusher model was built. The content of simulation are horizontal and vertical displacement of discharging and feeding port, dynamic motion characteristics, speed and acceleration of movable jaw’s center of gravity, the pendulous moment that bracket suffered, and other important parameters .The results confirmed that the movement of the tilted-jaw crusher and dynamic features meet the crushing requirements. But bracket and bearing existed huge pendulous power and pendulous moment. The research and ideas about the tilted-jaw crusher value for the optimal design of the crusher, provide an effective method for improvement, there is a strong practical value.

PARAMETRIZACIÓN DE LA ARTICULACIÓN GLENO-HUMERAL.

ABSTRACT Introduction: The aim of this project involves the parameterization of the gleno-humeral joint in a fast and simple way and so as to reduce waiting times, irradiation of patients and costs for the different health systems, both public and private. Also the aim involves to provide surgeons and engineers with more efficient tools at the time of diagnosis, surgery and implant design. Material and Methods: A stereolithographic reconstruction of the joint is processed into a featured model (coatings, extrusions, sweeps, etc.) prior to the parameterization of those features that define the joint. By consulting documentation and expert surgeons, those parameters of interest for the generation of the 3D model are determined and then implemented in the model. Following the parameterization of the model in the mechanical design software application Solidworks® it is necessary to check the results and to validate the model. Results: An Excel® file is obtained that allows, from a number of data, automatically to generate the reconstruction of the patient’s joint in seconds with Solidworks® from which the engineer can make or evaluate the mechanical design of the implant and the surgeon study those parameters of interest. Finally a parametric model of the gleno-humeral joint is obtained which responds correctly to the Excel® sheet that monitors it. Conclusions: By eight parameters it is possible to satisfactory characterize the gleno-humeral joint for diagnostic, pre and post-surgical studies. Varying the values of the parameters in an Excel® sheet anatomy is automatically rebuilt in a 3D mechanical design application (Solidworks®).Without the time and resource requirements of typical 3D reconstructions significantly satisfactory results are obtained and the obtained parametric model responds correctly to changes in the values of the parameters of government.