Génie mécanique
122 documents à télécharger gratuitement
Cours, examens, TD, TP et exercices de génie mécanique. Thèmes couverts : thermodynamique, RDM, résistance des matériaux, usinage, CAO.
This document provides step-by-step instructions for adjusting the tension of belts on the X and Y axes of a mechanical system. The Y-axis adjustment involves manipulating a 5.5mm nut located between the LCD screen cover and the belt bearing using a provided wrench. For the X-axis, the procedure entails loosening screws on the motor and subsequently adjusting the belt using rear tensioning screws before re-tightening the motor screws. Clear references to tool dimensions and illustrative images ensure proper execution.
This document provides precise instructions for adjusting the tension of the belts in the X and Y axes of a machine. Adjustments on the Y-axis are made using a 5.5mm nut located between the LCD screen cover and the belt bearing, utilizing a provided 5.5mm wrench. Adjustments on the X-axis involve loosening 4 motor screws with a 2.5mm Allen key, then adjusting belt tension with tension screws at the rear motor bearing, followed by re-tightening the motor screws. Contact and company details of Volumic 3D are included for further reference.
This document provides specific instructions to configure the 3D printer STREAM model equipped with an optional 0.25mm nozzle. Users must modify software settings, including adjusting the extruder 'Diameter' parameter and increasing the printing temperature by 10 to 20°C. These changes ensure optimal performance with the smaller nozzle size. The guide references the REPETIER software provided with the printer and highlights the differences between the 0.25mm and 0.4mm nozzle configurations.
This document provides instructions on configuring a 3D printer Stream model equipped with an optional 0.25mm nozzle. Users must adjust the software settings in REPETIER to match the nozzle diameter, including modifying extruder parameters. Higher temperatures (10–20°C increase) are recommended due to the smaller nozzle size. The manual emphasizes proper setup for optimal printing results.
This document provides a comprehensive analysis of various materials used in 3D printing, detailing their physical properties, recommended printing settings, and practical applications. Each material is evaluated for durability, flexibility, heating requirements, and environmental compatibility. Special considerations such as biodegradability, recycling capacity, and chemical resistance are noted along with challenges like warping or filament handling. The guide aims to assist users by highlighting optimal use cases and offering recommendations tailored to different material characteristics.
Ce document fournit une analyse complète des propriétés, des utilisations et des recommandations d'impression pour divers matériaux destinés à l'impression 3D. Chaque matériau est décrit en fonction de sa facilité d'utilisation, de sa solidité, de sa résistance thermique, et de sa compatibilité avec des applications spécifiques (intérieur/extérieur, décoratif, mécanique, etc.). Des instructions spécifiques pour l'impression et les ajustements techniques, tels que l’utilisation de buses spécifiques et les températures optimales, sont incluses. Enfin, les points de vigilance, telles que la se...
This document provides detailed instructions and safety precautions for operating Volumic's Stream series 3D printers. It explains the setup process, including unpacking, assembly, software installation, and filament loading. Users are guided through printer calibration and operation using Repetier-Host software, with specific attention to safety protocols to prevent hardware damage and ensure optimal print quality. The document emphasizes adherence to regular maintenance and proper usage to extend printer life and avoid hazards during extended use.
This document provides detailed guidance on the setup, use, and maintenance of Volumic's Stream series 3D printers. It emphasizes safety measures during operation, optimal environmental conditions, and step-by-step instructions for initializing hardware and software. Furthermore, it highlights the importance of proper calibration, filament management, and usage guidelines to ensure quality prints, minimize damage, and extend machine life.
This document provides step-by-step instructions for activating and installing Simplify3D software, including license activation and downloading tailored printer profiles for the Volumic STREAM series. It guides users through system-specific software installation, configuration of print profiles, and troubleshooting common issues like mesh errors. Precise instructions ensure seamless integration with 3D printers for optimized printing results. All links, file locations, and configuration steps are detailed for ease of use.
This document provides guidelines for using a 3D STREAM printer equipped with INOX or hardened steel nozzles. It emphasizes the need to adjust printing temperatures by approximately 20°C higher than the default brass nozzle settings, depending on material and manufacturer. Users are instructed to create new material profiles in the slicing software 'Cura' to account for these adjustments while preserving the original profiles. The document also stresses the importance of saving customized profiles under unique names to avoid data loss during software updates.
The document provides specific instructions for using the 3D printer STREAM model equipped with INOX or hardened steel nozzles. It explains the need for higher heating temperatures when using these nozzles compared to the brass ones. Guidance is offered to adjust real-time temperature settings via the printer’s LCD or by creating customized filament profiles in the 'Cura' slicer software. Users are advised to maintain separate profiles for different nozzle types to ensure consistent quality and ease of future software updates.
This document provides a detailed guide for manually installing printing profiles for Repetier-Host and Cura. It outlines the steps to download necessary software and configuration files from the Volumic website, store the profiles on the local disk, and configure the software to use these profiles. The manual also covers registry modifications for system administrators to customize working directories. A validation step ensures the successful installation of Volumic 3D printer profiles in the software.
This document provides a detailed step-by-step guide for manually installing 3D printing profiles for Repetier-Host and Cura software, specifically for VOLUMIC STREAM SERIES printers. It explains downloading necessary software, configuring directories, and adjusting software settings for proper integration. Further instructions are provided for modifying registry files as needed and verifying successful installation of printer models and configuration profiles. The manual concludes with validation steps to ensure proper functionality.
This document elaborates on the main features and methodologies to control actuators, including linear motors, MCA (asynchronous motors), variable speed drives, and pneumatic cylinders using PLCs. It provides step-by-step circuit designs, operational command tables, and techniques for reversing motor direction or controlling speed. Additionally, it describes various sensor types (analog, logical, and digital) and their applications in automation systems. Specific examples include position sensors, proximity detectors, and temperature measurement through thermocouples and thermo-resistances.
This manual provides a comprehensive guide to the safe and correct operation of FANUC Series 0+-MODEL D CNC systems, including lathe and machining applications. It outlines safety precautions, programming guidelines, and handling instructions to ensure machine functionality and user safety. Key programming and operational warnings are emphasized to avoid unexpected behaviors that may damage the machine or cause user injury. The manual also includes guidance on troubleshooting and backup measures to preserve critical data.
This document outlines the technical specifications and component list for a compressor design. It includes details on each part's quantity, dimensions, and assembly instructions while specifying surface finish and tolerance requirements. The methodology emphasizes precision in manufacturing with defined linear and angular tolerances. The document is authored and approved by Bechir Saada, with material and design details provided for production clarity.
This document provides detailed technical specifications and design elements for the COMPRESSEUR D'AIR, including its material composition, dimensions, and a comprehensive scale rendering. It integrates precise engineering metrics such as mass and a headless screw classification to ensure optimal performance in air compression systems. Authored by SAADA BECHIR, the analysis ensures adherence to November 2012 quality standards and includes verification and approval procedures.
This document outlines the design specifications and materials for an air compressor component. It specifies the use of a Vis Chc M4-0.8-14 screw and adopts a 5:1 scale ratio for the component's schematic. The blueprint includes detailed annotations for production and quality verification. Authored by Saada Bechir, it highlights the engineering standards followed during the design process.
This document appears to be a technical drawing for an air compressor, specifying details such as materials (MATERIAU), the design scale (ECHELLE), and the mass (MASSE). Created by Bechir Saada in November 2012, it provides precise dimensions and components like 'Vis Chc M4-0.8.' It serves as a technical reference for manufacturing or verification purposes.
This document represents a technical design and specification of an air compressor. It includes detailed dimensional measurements, material information, and manufacturing notes. The content is highly specialized, oriented towards manufacturing and engineering professionals. Verified and approved by the author in November 2012, it serves as a precise reference for constructing the compressor.
This technical document outlines the specifications of an air compressor, focusing on its material, scale, and mass. It includes details regarding design verification and approval, dated November 2012. The drawing specifies measurements, angles, and other critical features for fabrication. Additionally, it identifies the professional roles responsible for different stages such as approval and quality assurance.
This document outlines a technical design for an air compressor. Details include materials, scaling ratios, and specific mechanical components such as a scraper segment. It has been verified, approved, and fabricated adhering to engineering quality standards. The document, created in November 2012, presents precise specifications for use in industrial applications.
This document outlines the detailed engineering design of an air compressor's component, specifically the 'Porte Clapet.' It includes schematic diagrams, material specifications, dimensional data, and scale information. The methodology involves precise geometric and dimensional representation, ensuring adherence to engineering standards like mass and material allocation. The findings support the manufacturability and operational feasibility of the design for industrial use.
The document provides a detailed technical drawing of an air compressor component. Measurements, material details, and scale information are included to ensure accurate replication. Specific annotations outline tolerances and dimensions essential for manufacturing. Verification processes are noted with spaces for signature and approval, emphasizing quality control procedures.























