Quality control group: understanding, stages, and tools used

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Quality control group: understanding, stages, and tools used

Quality control group understanding stages and tools used

The term this quality control group is very often found in company management which is very useful for maintaining and controlling the quality of the company.

However, what is the real understanding of this quality control group? What kind of stages and tools are used in it? Find the answer by reading the article about the Quality Control Cluster below.

Understanding of quality control groups

Quality control group or Quality Control Circle is an activity which is a group of employees who cooperate in meeting periodically in efforts to control quality by identifying, analyzing, and various actions to resolve the problems faced in the work using various controllers quality.

This quality control cluster was initially introduced by Professor Kaoru Ishikawa in 1962, together with the Japanese Union of Scientists and Engineers. While the company that first runs this concept is Nippon Wireless and Telegraph Company in the same year.

In general, members involved in the quality control group are employees who work with the same unit. The number of members is ideally 7 to 8 people, each of which serves as a facilitator, team leader, and member.

The establishment of this quality control group must get approval from the management and report the quality control group and a problem-solving plan to be applied to the company’s management.

The entire application and breakdown decision must also be approved and supported by the company’s management.

The main task of a quality control group facilitator is to provide training in team leaders and also to each member, and also coordinates the course of the quality control group.

The facilitator will also function as a mediator between the Quality Control cluster team and the company’s management. While the task of the leader of the Quality Control cluster team is to actively lead his team and must be fully responsible for the activities of the quality control group.

In addition, team leaders must also encourage each member to play an active role, schedule and also manages the course of the meeting, and also provides training in members of the quality control group along with the facilitator.

The purpose of the quality control group

The most important goal of the quality control group is to discuss any problems that occur within the company and provide solutions to each of these problems on the management. The various problems discussed are various problems related to company activities, such as products, costs, inventory, time, health, security, and work safety.

With the activities of the quality control group, the company will be able to provide motivation to employees, improve their ability to solve problems, increase employee involvement, and also instill awareness about the importance of preventing problems.

Mutu Controller Tool

There are at least 7 Quality Control Tools or QC Tools which are commonly referred to as QC 7 Tools. The seven tools are as follows:

1. Pareto Chart

Pareto diagram is one of the tools of QC 7 which is most often used in controlling quality. This diagram is a graph of goods that will show issues based on the order of the number of events that occur.

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2. Fishbone diagram.

Fishbone Diagram or Often called Cause-and-Effect Diagram or Ishikawa Diagram was first introduced by a quality control expert from Japan named Dr. Kaoru Ishikawa, as one of seven basic quality tools.

This tool is used when there are people who want to identify possible causes of problems, especially when there are teams that tend to fall thinking about their routines.

3. Scatter diagram.

The form of this diagram is a graphic description whose contents are a set of points or points from the value of a pair of variables, X and Y.

4 Control Chart (Full Map)

This control map has a graphic form used to monitor the stability of a process and also study process changes over time. The Control Chart has a top line for the highest control limit, the bottom line for the lowest control limit, and the centerline for the average line.

5 Check Sheet (Checkbook)

This sheet is simplest and also very often used as the first tool in terms of gathering before later it is presented in the form of a graph. By using a structured and standardized structured check sheet tool, we can minimize the difference in how to retrieve data based on everyone.

6. Histogram

In statistics, the histogram is a line of lines to show the distribution of data visually or how often a different value can occur in a data set.

7. Flow Chart

The flowchart is a picture or chart that shows a sequence and also the relationship between a process equipped with its instructions. This picture will be stated with various symbols. So, each of these symbols will describe certain processes. While the relationship between each process will be expressed by the connecting line.

Stages of Troubleshooting in the Quality Control Cluster

The various stages of the process in solving problems in the concept of the quality control group are as follows.

1. Collect problems related to work

A theme is an event or a problem that must be faced by the quality control group taken from the problem that occurs in the work environment of the Quality Control. Two ways can be done to determine the theme, namely:

  • Take one of the themes that are the priority of some problems in the work environment. Some examples that underlie this priority is a problem that has a great opportunity for its contribution to the quality of the company, both in terms of costs, product quality, security, etc.
  • Take one example of a problem in the work environment and become an agreement from every member of the group.

2. Choose and set the priority of the problem you want to solve

This stage is done to determine the duration of the time needed in achieving the desired target. In determining the target, the method that can be used is SMART, which is specific, measurable, achievable, reasonable, and time base.

3. Set the target for the problem to be resolved

In this stage, direct analysis is needed from the field, so that the problem will be faced. In this stage, it will also explain the 4M analysis table, namely Method, Machine, Man, and Material.

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4. Develop an activity plan

This stage is continued from the next stage, namely anaconda. So that the root of the problem is happening and consequently.

5. Recommend solutions

This step is done to find a solution in producing all predetermined causes. Performing a plan to improve in quality control groups can be determined using the suggestion technique of all members of the quality control group while remaining based on the selection of improvement measures that are considered very effective and efficient.

To make it easier to facilitate its description, try to plan repairs using the 1H-5W formula, namely How, What, Why, WHERE, WHO, and When.

6. Implement and apply troubleshooting measures

This step is to carry out all repair plans that have previously been agreed upon and discussed by all members of the Quality Control Cluster.

In making improvements, this must also be explained regarding the importance of the sincerity and full participation of all members of the group following the tasks that have been shared and expected throughout the implementation of the repair plan to be resolved promptly.

7. Monitor and evaluate the results of implementation

After the entire plan has been done correctly according to the agreed-upon, then the next method is to examine the results rather than the improvement. The aim is to measure all improvements made by the quality control group can overcome the causes that will have an impact on a problem.

8. Do standardization

After being checked and overcoming the cause of the problem, then what is needed is to make a standardization that can be used as a work reference in the work cluster and also aimed at preventing the same problem repeat.

If necessary, this standardization must also be disseminated at other similar work locations with the work location of the cluster. Standardization made can include standards for work methods, operators, materials, machinery, and work environments.


Thus the explanation of us about the quality control group. So, we can conclude together that the quality control group is an activity which is a group of employees who cooperate in meeting periodically in efforts to control quality by identifying, analyzing, and various actions to resolve the problems faced in work by using Various quality control devices.

The quality control tool can be used at least seven, namely Pareto Chart, Fishbone Diagram, Scatter Diagram, Control Chart, Check Sheet, Histogram, and Flowchart. The most important goal of the quality control group is to discuss any problems that occur within the company and provide solutions to each of these problems on the management.

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