custom 3d printing service sla/sls printing processing introduction

Email: gj-model@hotmail.com More info. pls visit: www.gj-prototype.com What‘s sls 3D printing ? Selective Laser Sintering (SLS) is a 3D printing technology that uses a laser to selectively sinter (fuse) powdered material, typically nylon or other polymers, layer by layer, to create a three-dimensional object. If you're looking to create an SLS 3D printing prototype, here are the general steps you might follow: 1.Design Your Prototype: Use 3D modeling software to create a digital 3D model of your prototype. 2.File Preparation: Save your 3D model in a file format common formats include STLand OBJ . 3.Pre-Processing:Some 3D printing software or online services provide pre-processing tools. These tools may include features for orienting, scaling, and adding support structures to your model. 4.Material Selection: SLS commonly uses powdered nylon, but other materials choice depends on the properties you need in your prototype. 5.SLS Printing:The printer will follow the digital model's instructions to selectively sinter layers of powdered material, building up the prototype. 6.Cooling: After each layer is sintered, it's allowed to cool before the next layer is added. This helps ensure that the layers fuse correctly and maintain structural integrity. 7.Post-Processing: Once the printing is complete, the prototype may need to undergo post-processing. This can involve removing excess powder, cleaning the part, and possibly surface finishing or treating it depending on your requirements. 8.Inspection and Testing: Inspect the printed prototype for quality and accuracy. Test its functionality if applicable. 9.Iterate if Necessary: If the prototype doesn't meet your expectations, you may need to go back to the design stage and make necessary adjustments. This iterative process is common in product development. 10.Documentation: Keep detailed documentation of your prototype, including design files, printing parameters, and any post-processing steps. This information is valuable for future reference or for reproducing the prototype. Nylon Printing Material Properties: Nylon is a versatile thermoplastic known for its strength, flexibility, and resistance to wear and tear. Applications:Commonly used for functional prototypes, end-use parts, and products that require a balance of strength and flexibility. PA66 (Polyamide 66), and PA12 (Polyamide 12) are all types of nylon, which is a class of polymers known as polyamides. They have differences in their molecular structures, properties, and applications. SLA technical principle： SLA is a mechanical technology, laser, photochemical, software, the crystallization of control technology. Through software for parts 3D model is stratified, controlled by computer to laser scanning is based on data layer liquid trough of photosensitive resin curing, until the physical prototype. Every standard SLA 3D printer is generally composed of four primary sections: * A tank filled with the liquid photopolymer: The liquid resin is usually a clear and liquid plastic. * A perforated platform immersed in a tank: The platform is lowered into the tank and can move up and down according to the printing process. * A high-powered, ultraviolet laser. * A computer interface, which manages both the platform and the laser movements. Rapid Prototyping: Rapid prototyping refers to the quick fabrication of a physical model or prototype for testing, evaluation, and iteration. 3D printing, especially technologies like SLA, is commonly used for rapid prototyping due to its speed and precision. Gaojie-model Transparent Resin Printing: Transparent resins are used in 3D printing to create parts and prototypes that have a transparent or translucent appearance. This is particularly useful for applications where visual clarity or light transmission is important. * Prototypes can be created with extremely high quality, with finely detailed features (thin walls, sharp corners, etc…) and complex geometrical shapes. Layer thicknesses can be made as low as 25 μm, with minimum feature sizes between 50 and 250 μm.