Configuring object/supplier indexes
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Prerequisites
- Access the Settings menu > Receipt Ranking: Quality Index (IP031)
Presentation
The Supplier/Object Qualification Index (OSQI) is a configurable indicator within the system that allows for the quantitative evaluation of the quality of an object delivered by a given supplier. The calculation is performed using customized formulas, constructed from predefined variables such as IQEM, IQS, IQI, FC-NC, QTE, QTNC, and CHECK.
Based on the OSQI, the system generates complementary indices:
OQI : average OSQI scores per item, independent of the supplier.
SPI : average of OSQI scores per supplier, regardless of the product.
This structure allows for the integrated evaluation of suppliers and products, providing a solid foundation for strategic decisions in quality management and supplier relationships.
Configuring object/supplier index (OSQI)
1. Access the Settings menu > Receipt Ranking: Quality Index (IP031).
2. Click the button 
.
3. On the screen that will open, fill in an identifier and a name.
4. Click the button 
to enable OSQI calculation, and then the button 
.
5. In the equation editor, in the variables section, the list of indices will be displayed:
Product/Supplier Qualification Indexes
The IQOF is configurable by the user through a formula composed of variables predefined by the system. The available variables are:
General indices:
- IQEM (Receipt Index): index of the receiving qualification stage.
- IQS (Quality System Index): quality system index.
- QTE (Quantity of Receipts): total number of receipts considered in the evaluation period.
Indicators related to non-conformities:
- QTNC: quantity of nonconformities.
- QTNC-DR: quantity of nonconformities originating from "During receiving".
- QTNC-AR: quantity of nonconformities originating from "After receipt " .
- QTNC-NC: quantity of nonconformities originating from "Customer " .
-
FC-NC (Non-Conformance Criticality Factor): weighted sum of non-conformities according to their criticality:
- FC-NC-DR : criticality factor for nonconformities originating "During receiving".
- FC-NC-AR : criticality factor for nonconformities originating "After receipt " .
- FC-NC-NC : Criticality factor for nonconformities originating "At the customer's site".
Indicators related to the inspection phase:
- IQI (Inspection Index) : Index of the receiving inspection stage.
- CHECK ( Checklist Index ): score assigned to the evaluation checklist in the inspection stage.
The IQOF is calculated by the system using an equation that utilizes these variables.
Example:
IQOF = [CHECK] x [IQS] / 100
*The variables are determined at the time the index evaluation is generated and then substituted into the equation to produce the IQOF result.
6. To create an equation, double-click the selected index in the list of variables, and the selected option will appear in the Equation field. To include a constant value, assign a fixed value and click the button 
.
7. In the Equation field, define the expression corresponding to the desired operation and click the button 
.
- The SoftExpert Inspection equation editor allows the creation of conditional expressions for the quality index equation, increasing flexibility in defining rules. For more information, see the new features of version 2.2.1 of the component.
- Setting the qualification index for the item/supplier is mandatory in the system in order to calculate the receiving ranking.
- To learn more about creating equations in the system, access the generic Equation Editor resource .
- For information on how to calculate the IQS in the system, please refer to the SoftExpert Supplier component documentation .
Complementary IQOF indices
IQO (Object Qualification Index)
corresponds to the stratification of the IQOF grouped by object, without considering the supplier.
Example : A construction company is evaluating the quality of steel bars supplied by two different steel mills. Two types of steel were inspected: CA-50 (used in columns and beams) and CA-30 (used in secondary reinforced concrete elements).
| Object | Supplier | IQOF |
| CA-50 steel bar | Plant A | 70 |
| CA-50 steel bar | Plant B | 50 |
| CA-30 steel bar | Plant A | 80 |
| CA-30 steel bar | Plant B | 60 |
The object qualification index is the average of the IQOF scores for each object:
For the CA-50 object :
IQO = (70+50) / 2 = 60
For item CA-30 :
IQO = (80+60) / 2 = 70
IQF (Supplier Qualification Index)
corresponds to the stratification of the IQOF grouped by supplier, without considering the object.
Example : After receiving inspections, the following IQOF values were obtained:
| Object | Supplier | IQOF |
| CA-50 steel bar | Plant A | 70 |
| CA-50 steel bar | Plant B | 50 |
| CA-30 steel bar | Plant A | 80 |
| CA-30 steel bar | Plant B | 60 |
The supplier qualification index is the average of the supplier quality index scores for each supplier:
For plant A :
IQF = (70+80) / 2 = 75
For plant B :
IQF = (50+60) / 2 = 55
Conclusion
The OSQI allows for measuring the quality of received goods through equations configured with standardized variables. With the complementary OQI and SPI indices, the system consolidates the results by object and by supplier, offering different analytical perspectives and an objective basis for quality management.
Access the article "Configure quality indexes" for more information on configuring the indexes available in the system.