Defining Quality Control (Grade 11 NSC Matric Business Studies): Revision Notes
Defining Quality Control
What is quality control?
Quality control is essential for any successful business. It refers to the methods and processes that companies use to make sure their products and services meet specific standards consistently.
Quality control involves two main aspects:
- Ensuring consistent standards - Making sure that goods or services are produced to the same high quality every single time
- Final product inspection - Checking finished products before they reach customers to ensure they meet all required standards
For quality control to work effectively, businesses must make quality checks throughout the entire production process - before production begins, during manufacturing, and at the final stage.
Quality must become part of a company's culture. This means that everyone in the business, from management to factory workers, needs to take responsibility for maintaining high standards.
Total Quality Management (TQM)
Total Quality Management, commonly known as TQM, is a comprehensive approach to managing quality throughout an entire organisation. This system was originally developed in Japan and focuses on achieving customer satisfaction in all business activities.
Key features of TQM
TQM operates on several important principles:
- Company-wide involvement - Every department and employee takes responsibility for quality, not just the quality control department
- Customer focus - The main goal is to improve products and services to exceed customer expectations, not just meet them
- Continuous improvement - All techniques, systems, and machinery must be constantly reviewed and improved
- Regular monitoring - Equipment and machinery are checked frequently to prevent problems
- Input quality control - Raw materials and other inputs are thoroughly checked before use
- Employee accountability - Management ensures each worker is responsible for the quality of their specific work and actions
The philosophy behind TQM is that quality improvements should never stop. Businesses using TQM are always looking for ways to do things better, whether it's improving their products, streamlining their processes, or enhancing customer service.
Quality bodies and standards
Several organisations help set and maintain quality standards that businesses must follow. These quality bodies ensure that consumers can trust the products and services they purchase.
South African Bureau of Standards (SABS)
The SABS is South Africa's national organisation responsible for quality standards. It was established by the government to ensure that local businesses meet proper quality requirements.
What SABS does:
- Sets and publishes national quality standards for products and services
- Provides training to businesses on how to meet these standards
- Offers information about both local and international quality requirements
- Tests and certifies products to ensure they meet safety and quality standards
- Monitors businesses to ensure they follow legal quality regulations
- Promotes excellence in design and manufacturing
When a business meets SABS requirements, their products receive the SABS mark - a symbol that tells consumers the product has been tested and meets necessary safety and quality standards. The SABS manages over 6,500 different national standards and has its main offices in Pretoria.
International Organisation for Standardisation (ISO)
ISO is a global organisation that creates international quality standards. These standards help ensure that products and services work consistently across different countries and cultures.
How ISO works:
- ISO9000 provides internationally recognised standards for various industries
- These standards are used by businesses in many countries worldwide
- Companies can measure their quality management systems against these international benchmarks
- Businesses that meet ISO standards receive accreditation, which shows customers they are committed to quality and continuous improvement
ISO certification acts as a signal to customers that a business takes quality seriously and follows internationally accepted best practices.
Quality circles
Quality circles are small groups of employees who work together to identify and solve workplace problems related to quality, efficiency, and productivity.
How quality circles work
Quality circles typically consist of between three and twelve workers who:
- Perform similar or related jobs in the business
- Meet regularly to discuss quality improvements
- Analyse problems in their work area and develop solutions
- Focus on improving safety, product design, and manufacturing processes
These groups are particularly effective because employees who do the actual work often have the best insights into how processes can be improved. Quality circles are an important part of TQM systems, as they encourage all workers to take ownership of quality in their workplace.
Benefits of quality circles:
- Workers feel more involved in decision-making
- Problems are identified and solved quickly
- Employees develop problem-solving skills
- Quality improvements come from those who understand the work best
- Creates a culture where everyone cares about quality
Worked Example: Quality Circle in Action
A quality circle at a manufacturing plant noticed that defective products often occurred during the morning shift. Through their regular meetings, they:
Step 1: Identified the pattern - most defects happened in the first hour of production
Step 2: Investigated the cause - machines needed longer warm-up time in cold weather
Step 3: Developed a solution - start machines 30 minutes earlier during winter months
Step 4: Implemented and monitored - defect rates dropped by 40% within one month
This demonstrates how quality circles use employee expertise to solve real workplace problems.
Key Points to Remember:
- Quality control ensures products and services meet consistent high standards through inspection and process management
- Total Quality Management (TQM) is a company-wide system that makes quality everyone's responsibility and focuses on continuous improvement
- SABS sets and monitors quality standards in South Africa, while ISO provides international quality standards
- Quality circles are small groups of 3-12 employees who meet regularly to solve quality problems in their work areas
- Quality must be built into a company's culture - it's not just one department's responsibility but involves everyone in the organisation