What Data for This Category Looks Like
This category primarily covers enterprises producing injection molded parts, automotive interior components, home appliance parts, and medical plastic products. Daily generated documents include injection molding process cards, raw material drying records, mold histories, first-piece inspection reports, patrol inspection logs, and material change and machine cleaning records. Data sources include resin batch property sheets, injection molding machine operating parameters, mold temperature controller data, MES system records, and dimensional and appearance inspection results. The system updates data after each production batch, each mold or material change, and each shift’s patrol inspection. Document fields include melt index, shrinkage parameters, injection pressure, holding time, drying temperature, and similar metrics, with standard units of grams per 10 minutes, megapascals, seconds, and degrees Celsius.
Constraints Imposed by These Characteristics on Multi-Turn Dialogue and Prompt Engineering
Frequent data updates and batch-based data isolation require strict context scope limits in multi-turn dialogue, to avoid mixing invalid data from historical batches. Multiple document types and scattered professional fields mean prompts must clearly specify target document categories and field ranges for retrieval, preventing matches to irrelevant mold histories or patrol logs. Data sources span equipment, systems, and inspection results, so multi-turn dialogue must bind current production batch-specific parameters via variables to ensure cross-review accuracy. Errors can lead to mass defective products, mold damage, or safety incidents, so multi-turn dialogue must include a verification step to confirm parameter alignment with current production conditions in each turn.
Configuration Guidelines
The following configurations apply to FastGPT v4.17.0.
| Configuration Item | Recommended Setting | Rationale |
|---|---|---|
| Maximum Context Length | 8000 characters or the first 10 dialogue turns | Injection molding data updates frequently, to avoid interference from old batch data during current review |
| Single Search Limit | Top 6 matching results | Daily document volume is high, to avoid redundant results distracting from core content |
variables | Preset current resin batch number, mold ID, production shift | Quickly locate process cards and inspection records for the target batch |
messages | Append the latest 2000 characters of context per dialogue turn | Retain core parameters for the current review, preventing context truncation from excessive length |
| Question Optimization Toggle | Enabled | Many injection molding professional terms are used, and optimization improves knowledge base matching accuracy |
| Dialogue Opening Preset | Preset 3 related questions | Help engineers quickly focus on core processes such as filling and holding pressure, raw material drying |
Three Common Misconfigurations
- A chat window displays an interface error prompt. Log checks show the
chatIdfield is empty. This occurs when session persistence logic for multi-turn dialogue is not correctly configured after an upgrade, preventing normal session binding. - Uploading process cards or inspection records fails, but template import works normally. This happens when access permissions for the specified dataset are not correctly bound in
variables, leaving the target dataset’s upload interface inactive. - Cross-review results returned by the dialogue do not match the current batch’s resin property sheet. This occurs when the prompt does not limit retrieval to documents from the current batch, resulting in matches to invalid data from historical batches.
How to Verify Proper Configuration
- Initiate a test dialogue, enter the current batch’s resin model, and confirm the returned results include the corresponding resin’s property sheet data.
- Upload a new material change and machine cleaning record, check that the dialogue context retains the record’s key parameters, with no unexpected truncation.
- Trigger a multi-turn follow-up question, confirm the
messagesparameter correctly appends dialogue content from each turn, meeting the preset context length requirements. - View the chat window’s initial interface, confirm the preset related questions are displayed normally.
The values provided are common starting points and should be evaluated against the reader’s own samples.