SLS 3D Printer 450

Large Build Volume and High Efficiency

Advanced Intelligent Processes for Superior Quality

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VNICI SLS-450

SLS 3D Printer 450

The Vnici 450 series, developed by Changzhou Vnici Digital Technology Co., Ltd., is an advanced industrial-grade 3D printer utilizing Laser Powder Bed Sintering (LPBS) technology for precise polymer part production. It features a large build volume of 450×450×400/600mm, enabling high-efficiency manufacturing with layer thicknesses of 0.08-0.20mm and scan speeds up to 15m/s.

Compatible with materials like PA12, PA11, PA6, PP, TPU, and composites, it achieves superior microstructure control and print quality. Compact at 2340×1100×2330mm (<2500kg), it runs on 380V power with nitrogen protection, making it suitable for aerospace, automotive, and medical prototyping.

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Key Features of SLS 3D Printer 450

Flexible Multi-Mirror Scanning System

Supports simultaneous operation of 1–8 mirror units, allowing easy adaptation to different build volumes and meeting diverse forming area requirements.

Spot-Following Technology

Enables simultaneous powder spreading and laser printing in real time, significantly boosting production efficiency and reducing overall build time.

Parametric Process Package

Features proprietary slicing engine, parametric process packages, and self-built technical database for cost reduction and rapid autonomous process development.

Intelligent Multi-Beam & Anti-Collision Control

Smart laser path planning with collision avoidance, combined with dynamic beam shaping and variable spot size, ensures safe and efficient multi-laser operation.

Seamless Multi-Laser Stitching

Utilizes random segmentation, zone-specific contour offset overlay, and high-precision stitching technology to achieve perfect, seamless large-area prints.

Superior Quality & Material Versatility

Delivers precise microstructure control through intelligent digital processes; 200×200×300 mm build volume, 0.08–0.12 mm layers, up to 8 m/s speed, supports PA12 / PA11 / PA6 / PP / TPU and composites.

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Technical Specifications of SLS 3D Printer 450

Equipment Model	450
	F-type		S-Type
	F450	F450P	S450	S450P
Laser Type	Fibre laser, 300W, water-cooled		CO₂ laser, 50W, water-cooled
Number of Lasers	1	2	1	2
3D printing process	Laser Powder Bed Sintering, LPBS
Build Volume	450mm × 450mm × 400/600*mm
Forming Accuracy	Part dimensions <100mm: L ±0.1mm Part dimensions >100mm: L ±0.1% × L mm
Galvanometer	High-speed galvanometer (SCANLAB)		High-speed three-dimensional dynamic galvanometer
Maximum scanning speed	15m/s
Layer thickness	0.08–0.20 mm
Forming Materials	Common polymer materials such as PA12, PA11, PA6, PP, TPU, and related composite materials
Control software	Sinter3D
Network Type and Protocol	Ethernet, TCP/IP
Data interface	STL and other data formats
Main Unit Dimensions	2340mm × 1100mm × 2330mm
Power consumption	380V, 50/60Hz, S1 2kW
Total Equipment Weight	<2500 kg
Protective gas	Nitrogen

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LPBS Printing Principle

Laser Cutting/Laser Welding/Additive Manufacturing

Based on Laser Powder Bed Melting (LPBM) and Laser Powder Bed Sintering (LPBS) technologies, an intelligent, digitalized process system has been established. This system enables precise control over material microstructure and achieves ultimate optimization of forming efficiency, with key performance indicators reaching internationally advanced levels.

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Applications of SLS 3D Printer 450

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Sample Gallery of SLS 3D Printer 450

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Why Choose VNICI As Your SLS 3D Printer Supplier?

Core Technology

Our Strong R&D team cooperates with one of China Top University which is Shanghai Jiao Tong University. Our Technical adviser Mr. Wuyi is the leader of Institute of Special Materials, Shanghai Jiao Tong University. Our technical director Mr. Li Junchao is a doctoral supervisor at Chongqing University. They have a great achievement in the additive industry, both materials and machine. Rely on such a powerful R&D team, our resin polymers are up-to-date and our machine are state-of-art.

Industrial Solutions

We are focus on industrial application and provide complete solutions to customers. Our SLA 3d printers are for rapid prototyping, shoe industry, automotive industry, statue industry and so on. Our LCD and DLP 3d printers are for dental industry, jewelry industry, shoe industry and so on. On the other hand, we develop these advanced industrial resin polymers.

Good after-sales service

Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. Our aftersales engineers are experienced and good at installation of machine, printing and testing. They can easily help our customers to find the issue and solve it. They work with production department closely to enhance our products quality.

Fast Delivery

We have almost all resin in stock and deliver within a week. We also often have some small 3d printers and machine in processing which can be delivered in two weeks. If you need something urgent, please don’t hesitate to tell us, we will meet your requirements.

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