GB/T 38781-2020 in English
VALIDMachinery for forestry—General safety requirements
- Issued on:2020-04-28
- Implemented on:2020-04-28
- File Format:PDF
- Delivery:Via email within 5 business days
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| Standard No: | GB/T 38781-2020 |
| Document status: | VALID |
| Title in English: | Machinery for forestry—General safety requirements |
| Title in Chinese: | 林业机械 通用安全要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2020-04-28 |
| Implemented on: | 2020-04-28 |
| ICS Classification: | 65.060.80-Forestry equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | forestry machinery
forestry general safety requirements introduction interpretation machinery complies key safety requirements machinery meets |
| Related Topics: | forestry
machine forest forestry machinery GBT38781 GB/T 38781-2020 General Devices (Biosafety) General technology for machinery industry Mechanical general |
《GB/T 38781-2020林业机械 通用安全要求》由TC61（全国林业机械标准化技术委员会）归口，主管部门为国家林业和草原局。
Introduction
Interpretation of the core content of the standard
This standard is equivalent to the ISO11850:2011 international standard, applicable to mobile forestry machinery such as loggers and forwarders, and specifies 52 serious hazard protection measures that need to be considered in the design phase (Appendix A).
Key safety requirements
| Item | Technical requirements | Test methods |
|---|---|---|
| Protective structure | FOPS needs to withstand 11600J impact energy (4.3.2.1) | ISO8083 test |
| Braking system | Wheeled machinery complies with ISO11169, and tracked machinery meets 25° climbing force (4.8) | ISO3450/ISO10265 |
| Electromagnetic compatibility | Radiated interference limit complies with ISO14982 (4.13) | 10m darkroom test |
Technology Evolution Analysis
Main improvements compared with the 2003 version:
- Added functional safety requirements for electronic control systems (4.5.5)
- Strengthened the 150mm minimum clearance requirement for articulated steering machinery (Figure 1)
- Cleared the F7 air filter standard (4.3.2.6)
Implementation Recommendations
- Manufacturers should establish risk assessment documents covering all hazard scenarios listed in Appendix A
- The operating manual must include the measured data of vibration and noise (5.1x-5.1dd)
- It is recommended to check the chain throw protection system every 200 working hours (4.3.2.3)
Sample only — not a preview of GB/T 38781-2020
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