GB/T 38890-2020 in English
VALIDGeneral specifications for 3-degree of freedom parallel robots
- Issued on:2020-07-21
- Implemented on:2021-02-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$233.00
《GB/T 38890-2020三自由度并联机器人通用技术条件》由TC591（全国机器人标准化技术委员会）归口，主管部门为中国机械工业联合会。
Introduction
Standard Framework and Technological Evolution
As my country's first national standard specifically for three-DOF parallel robots, this standard fills the gap in standards in the subdivision field of parallel robots. The technological evolution presents three major characteristics:
| Technical dimension | Traditional industrial robots | Requirements of this standard |
|---|---|---|
| Kinematic structure | Mainly series configuration | Closed-loop parallel mechanism |
| Dynamic performance indicators | 6 basic parameters | 16 extended parameters |
| Test method | General test process | Including special test cube method for parallel mechanism |
Core term analysis
The standard clearly defines class=instrument>fixed platform, moving platform and other key components:
- Parallel robot: a special configuration robot that achieves movement through a closed-loop rod structure
- Additional axis: an optional module that expands the freedom of motion of the body, such as a rotary table
Key technical requirements
5.4 Performance indicators
16 core parameters form a complete evaluation system, including:
| Key indicators | Test method | Typical value range |
|---|---|---|
| Position repeatability | GB/T12642-2013 | ±0.1mm |
| Cycle time | Specific trajectory test | ≤0.5s (high-speed model) |
Implementation suggestions
Application case in food packaging industry
Special attention should be paid when implementing a Delta robot in a biscuit sorting line:
- Select suspended installation according to Clause 4.4
- Control noise ≤80dB(A) according to Clause 5.8
- Use method 6.4.13 to verify a sorting rhythm of 300 times/minute
Standard innovation
- The first parallel mechanism-specific test cube method (6.4.1.4)
- Specifies the technical requirements for additional axes (Clause 3.6)
- Refines the electromagnetic compatibility classification requirements (Clause 5.10)
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