Garment Inspection Sampling Method
All the retailers want to buy high-quality garments or fabrics from manufacturers, to sell the product to their customers, so we need to follow various methods of inspection techniques, depends on the customer’s wants and needs.
When the inspector controls the quality of your shipment from China or Asia, how would you like him to help you? What’s the inspection sampling method? How many pieces of the garment could be sampling and checked in one man.day?
What is the Sampling Method?
The sampling method is used to determine how we will choose the batch to check. Usually, an inspector only checks a part of the whole. A lot should be enough to assess the quality of the items to be delivered.
Which Sampling Method should you use for your production?
This is a crucial part since it can dictate the outcome of your inspection. Choosing an inappropriate plan may lead to inaccurate inspection results. below we will take the chance to merely introducing the different types of sampling plans for your reference
The example below for sampling methods in garment inspection, the primary purpose of the inspection is to know about the lot of garments to be granted or rejected. How many samples would be collected from a lot will be the aim of the sampling plan? Also informed that, if more sample would be inspected needs more time and cost.
Below available types of inspection sampling methods which are widely used for ensuring desired quality of garments manufactured by using various types of fabric:
- No Sampling inspection,
- 100% Inspection,
- Spot checking,
- Arbitrary sampling,
- Acceptance sampling (AQL Sampling).
All the above sampling methods have discussed in the following, any questions, please leave your comments below
1. No Sampling Inspection
In this sampling method, the garments can be bought or sold without any sampling inspection. It only checks the outer carton and random check the packages, but it can’t get any idea about the garment workmanship. you may choose this sampling method in some container loading inspection;
2. 100% Inspection (Full inspection)
100% inspection also calls full inspection, which means every unit must be inspected. In this method, every piece of the garment would be granted or rejected instead of a lot of garments to be granted or reject ted.
It can have an idea about the quality of garments by this sampling method. It is also informed that all the defects are identified by 100% inspection. Also informed that if 100% inspection is done, then it needs more time and cost.
3. Spot Checking
This is the middle position of 100% inspections and no inspection methods. Inspector will inspect the shipment goods randomly. In this method, the result is found minimum. Some customers also choose it to check the raw materials, semi-finished products, or container loading inspection.
4. Arbitrary Sampling
This type of method is the most popular and widely used in the apparel manufacturing sector. Whatever the lot size available is, a 10% sample of the lot is collected and inspected and will decide the lot of garments to be granted or rejected. Both the advantages and disadvantages are found by applying this method.
5. Acceptance Sampling (AQL Sampling Inspection, Single-stage sampling plan):
In this sampling method, samples are collected and inspected by statistically from the lot size and will decide the lot of garments to be granted or rejected.
This plan is used for inspection of raw materials before garments production, during the production period, and for finished garments after production(final inspection).
This sampling method is widely used and internationally recognized and accepted. Also, the most popular method in any third party inspection company, The most useful advantage of this method, is the controllable and minimum risk of accepting the wrong decision. and this method for inspection also more practical and economical.
How can AQI Service help you in Garment Inspection?
We offer rigorous and complete training to the inspectors we recruit by providing them quality control related courses and examinations. We also ensure that they pass the tests so that they can perform inspections and understand the different points to verify.
Our trained quality inspectors identify and records the non-compliance report and look for performance improvements. We can advise and help you at the different stages of your production, from raw materials to pre-shipment.
More articles please visit: Manufacturing and Quality Control Blog
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