What are the points you will keep in mind about the concept of quality control and inspection if you are the quality systems manager of a rubber products manufacturing unit?
Quality control (QC) is a procedure or set of procedures intended to ensure that a manufactured product or performed service adheres to a defined set of quality criteria or meets the requirements of the client or customer. QC is similar to, but not identical with, quality assurance (QA). QA is defined as a procedure or set of procedures intended to ensure that a product or service under development (before work is complete, as opposed to afterwards) meets specified requirements. QA is sometimes expressed together with QC as a single expression, quality assurance and control (QA/QC).
In order to implement an effective QC program, an enterprise must first decide which specific standards the product or service must meet. Then the extent of QC actions must be determined (for example, the percentage of units to be tested from each lot). Next, real-world data must be collected (for example, the percentage of units that fail) and the results reported to management personnel. After this, corrective action must be decided upon and taken (for example, defective units must be repaired or rejected and poor service repeated at no charge until the customer is satisfied). If too many unit failures or instances of poor service occur, a plan must be devised to improve the production or service process and then that plan must be put into action. Finally, the QC process must be ongoing to ensure that remedial efforts, if required, have produced satisfactory results and to immediately detect recurrences or new instances of trouble.
In general, the application of the concept of Quality Control and Inspection for a rubber products manufacturing unit would consist of:
1. Receiving Inspection – to assure the product/material received meets the required specifications before it is manufactured.
2. In-process Inspection (On-going basis)- to assure the parts
3. Finished Goods Inspection (to ensure any secondary operations are performed to specifications and that product meets all requirements)
This is the inspection side. Keeping all of this in mind, the concept of quality is to ensure the product is manufactured correct the first time.
a. Receiving Inspection: It means as a Quality systems manager the product or the material received from various sources should be tested or evaluated to know whether it meets the specifications. If not the Raw-material should be dismissed and not to be used.
b. In process Inspection: This means the products have to be tested while on the production or while they are In-process. This will give the fair idea to the QA manager whether the products are generating the expecting outcome. If he thinks the rubber material doesn’t producing the expected outcome it should be terminated immediately.
c. Finished goods Inspection: This means the products have to be tested to assure 100% quality. The QC manager has to take the full in charge and pass the “QC test”
The above said methods are critical and it should be followed strictly without which the product may not meet the specifications of Quality control and inspection. Zero-level defect must be assured to get 100% quality of rubber goods.
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