GB20775-2006

Fused Deposition Modeling machines - Technical requirements for safeguarding

熔融沉积快速成形机床安全防护技术要求

GB 20775-2006 es una norma nacional china obligatoria vigente: Fused Deposition Modeling machines - Technical requirements for safeguarding. Sector: Electrónica. Enfoque: Seguridad de productos. Entrada en vigor: 1 jul 2007.

La aplicabilidad depende del alcance del producto, la vía de certificación, los avisos de la autoridad competente y las reglas de transición. Solicite una traducción o verifique la fuente antes de usar esta ficha en una decisión de cumplimiento.

Resumen de cumplimiento

Este resumen está disponible por ahora solo en inglés.

Alcance y aplicabilidad

This standard applies specifically to fused deposition modeling (FDM) machines, commonly known as 3D printers utilizing material extrusion technology. It covers the safety and safeguarding technical requirements for the design, manufacture, and operation of these machine tools. It is not applicable to other types of additive manufacturing or rapid prototyping equipment that do not use the fused deposition modeling process.

Requisitos técnicos

The standard outlines comprehensive safety measures to mitigate mechanical, electrical, and thermal hazards. For mechanical safety, it mandates that moving parts have reliable dual electrical and mechanical limit switches, and requires interlocked protective doors for the machining area to prevent operation when opened. Manufacturers must ensure the nozzle clamping device is secure to prevent ejection hazards during high-speed movement. Regarding thermal and electrical safety, the standard specifies that the nozzle heating system must feature reliable automatic temperature control and thermal insulation measures to prevent burns. The forming chamber door must be interlocked with the nozzle heating system to prevent opening during active heating or processing. Electrical equipment within the forming chamber must meet extra heat-resistance requirements, adhering to GB 5226.1. Additionally, the standard sets requirements for noise emission limits (not exceeding 60dB(A)) and mandates proper ventilation interlocks. It also requires comprehensive user information, including detailed warning labels, safety symbols, and a durable instruction manual detailing transportation, installation, operation, and maintenance safety protocols.

Métodos de ensayo

Compliance is verified through a combination of visual inspections, manual checks, and specific functional tests. Key testing procedures include verifying the reliability of interlock devices (repeated 3 times), checking the response of heating system temperature controls, and conducting electrical safety tests. Electrical testing involves protective grounding continuity, insulation resistance, and dielectric strength tests according to GB 5226.1. Noise measurement is conducted following the methods specified in GB/T 16769, and hazardous gas emissions are evaluated per GB/T 18569.

Preguntas frecuentes

What products are regulated under GB 20775-2006?

This standard regulates fused deposition modeling (FDM) machines, specifying safety and safeguarding requirements for their design, manufacturing, and operation.

How does GB 20775-2006 differ from ISO standards?

It incorporates principles from ISO/TR 12100 for basic safety concepts and aligns with IEC 60204-1 (via GB 5226.1) for electrical equipment safety, while adding specific requirements for FDM machine hazards like high-temperature nozzles.

Are there any mandatory chapters in GB 20775-2006?

Chapters 5 through 7 are mandatory, covering safety requirements, use of information, and inspection methods. The remaining chapters are recommended.

The summary above provides a high-level overview of GB 20775-2006. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 20775-2006 today to access all detailed parameters, tables, and testing procedures.

Indicaciones de aplicabilidad

Tipo: Seguridad
CCS: J59
ICS: 25.080.99
Organismo competente: Ministry of Industry and Information Technology
Comité técnico: Ministry of Industry and Information Technology

Relaciones

Sustituida por:GB 46037-2025 (Próxima)