Nom de l’auteur/autrice :Pae

MJF and SLS are two major powder-bed fusion technologies that match strengths. MJF offers high quality production functional parts with isotropic characteristics and excellent efficiency in the use of materials consistent mechanical properties; this fits it as a production application. SLS provides a wider variety of materials, build size, and reliability of prototyping and medium scale manufacture, which helps to produce durable parts direct metal laser sintering . It is important that the decision to use any of the technologies is justified by the special needs of a particular project, the volumes in production, and the needs of allotment.

The knowledge of the basic differences between FDM and SLA allows the person to make a decision regarding the kind of additive manufacturing project. Thermoplastics, cost, and mechanical properties feature of FDM also means it is also used in functional applications and higher volume parts, whereas the precision of SLA and photopolymer high surface finish are preferred to high-accuracy but low-tolerance applications. Part of the success of an additive manufacturing process is fuelled by aligning the right technology to a particular projects need instead of finding an overarching solution to tailor.

Printer file formats are the important communication mediator between digital designs and analog manufacturing, and each of the varieties of 3D printer file formats has its brand of benefits in context of application. The STL files offer cross compatibility, the OBJ files are suited to tasks involving color and the G-code delivers manufacturing instructions and new formats such as 3MF provide fully detailed specifications on advanced manufacturing requirements. In the case of worldwide logistics and production processes, the knowledge of those file types brings added coordination between international networks, quality control, and supply chain management on a global scale, a more integrated world of additive manufacturing.

CNC machining tolerances form the pillar of machining precision, the area of acceptable deviation taking into account the roles of the manufacturing functional needs and possibilities. Knowledge of the types of tolerance, explanations of calculations and use of tolerance help an engineer and manufacturer to optimize his specifications of parts as far as performance and economy are concerned. The whole-scale tolerance management makes the management of quality consistent but still competitive in manufacturing environments that are demanding.

Having knowledge on the injection molding differences and dissimilarities between the blow and the injection molding techniques is critical in making manufacturing choices. Whereas blow molding will have lower costs on the manufacturing of hollow components and ease of the tools, injection molding will be more versatile on complex shapes and more production efficient. The determination ought to be given according to the demands of the part, especially for volume production of complex parts, the budget and long-term manufacturing objectives. There is a place where both processes are used in modern manufacturing and the adequate selection of the right process can determine the quality, cost and the efficiency of the processes tremendously.

There are 13 important plastic materials that the automotive industry depends on; each of them has specific characteristics to apply in specific applications. Polypropylene is the best in versatility and chemicals resistance, whereas polyurethane dominates in comfort purposes. Offering unrivalled transparency and impact strength, polycarbonate offers some greater transparency and unsurpassed impact strength and nylon a very high strength in the core of the mechanical components. All these materials facilitate weight loss, safety, resist corrosion and help in making cars at low cost whilst innovating continuously in the area of vehicle design and performance.

3D printing and injection molding are both critical elements of the present-day manufacturing landscape, so the perfect use option is going to be to use one in special instances when and where wanted. With their unique set of benefits, manufacturers can better understand the differences and use them to make informed choices that benefit their production process and/or expectations of their consumers or customers. With the advancing technologies, there will be great potential in optimizing the manufacturing approaches which can be achieved through integration.

This guide captures key elements of plastic CNC machining including basics to its modern applications. The machining procedures, type of materials to use, material tooling, quality assurance, cost effective measures and industry applications are major issues to be covered. The guide re-focuses on the importance of knowing material characteristics, applying correct process settings as well as observing high quality standards to be able to obtain high end results on plastic CNC machining operations

Discover all about knit lines in injection moulding, especially regarding knit lines injection molding – what, why, how to stop

This extensive book on 3D printing plastics addresses the knowledge that must be possessed before engaging in the rightful selection and processing of materials involved in 3d printing manufacturing. Available in the range of basic thermoplastics such as PLA or ABS through to more advanced engineering materials such as PEEK or composite filaments, resources provide you with unique properties and processing characteristics that you need to find the perfect match to applications.