How Mould Enterprises Should Put Good Raw Material Quality

Raw materials are crucial to the production of hardware and die products and guarantee the quality of hardware and die products. However, with the increasingly fierce competition in the hardware material market, there are always some profit-making manufacturers or unscrupulous traders who will bring counterfeit and inferior products to the market. Even if some regular manufacturers, due to their own management loopholes or other reasons, may also allow some inferior products to flow into the market. market. The production process of these counterfeit and inferior products constitutes a major quality or safety hazard, and has become the culprit for product quality accidents or accidents. In addition, if the procurement of raw materials is not properly controlled, it will also directly affect the quality of production. How to prevent counterfeit or deteriorating raw materials from flowing into the production line is a task for each mold company. Luo Baihui, an industry expert, believes that metal mold companies must control the quality of raw material procurement and ensure product quality and safety. They need to be controlled from the perspectives of raw material suppliers' evaluation and selection, strengthening the acceptance of raw materials before they are put into storage, and improving the quality of warehouse management.

First, raw material classification and supplier evaluation and selection 1. The production of raw materials should be subject to classified management, highlighting that key hardware companies require a wide variety of raw materials, but different raw materials have different effects on the quality of manufactured products. In order to facilitate the control of procurement quality, the raw materials should be categorized and managed according to the degree of influence of the raw materials on the quality of the products. Generally divided into three categories:

A type of raw materials: refers to the production and use process, which may have a direct and major impact on the quality of the product (for example, may have a direct impact on the key functions and performance of the product).

Class B raw materials: refers to the production and use process, which may bring indirect or more important impact on the quality of raw materials.

C-type raw materials: refers to the general auxiliary parts, the impact of the general or slight raw material quality.

2. The evaluation practice of raw material suppliers shows that whether the quality of purchased raw materials is stable depends largely on the quality management of suppliers. Therefore, the quality assurance ability of various raw material suppliers should be evaluated before procurement.

(1) Appraisal of suppliers of Class A raw materials The evaluation of suppliers of Class A raw materials will focus on field visits, evaluations of the operating conditions of their quality systems, past availability, handling and rectification capabilities when the supply quality is abnormal, and on-time delivery. And the number of delivery capacity, its cost performance, its after-sales service capabilities (including after-sales service attitude, timeliness, effectiveness). At the same time, it is also necessary to review the supplier's data, investigate and understand the suppliers' other customers, test and provide samples of raw materials, and provide regular analysis of raw material quality.

(2) Evaluation of B and C raw material suppliers.

Generally do not visit the site, mainly consult the suppliers to provide information, to provide samples of raw materials for testing trials, analysis of the results of regular analysis of the quality of raw materials, etc., to achieve the evaluation of suppliers. Its: For B grade raw material suppliers' evaluation, the Procurement Department puts forward the "B-type Raw Material Supplier Appraisal List" to provide B-type supplier related data, or previous B-type raw material inspection, usage, etc. Quality, service, price, and other information and information , send relevant technology, manufacturing, quality, finance and other relevant departments to sign (accreditation), and report to the top management for approval; for the evaluation of the ability of the class C raw material supplier, the procurement department puts forward a “C-class supplier evaluation list” by quality, After the signing of the financial affairs and the signing of the purchasing department manager, they will be executed.

3. The choice of raw material suppliers and the determination of qualified raw material suppliers should be determined by selection. Obtaining a qualified raw material supplier depends on the above-mentioned factors such as the evaluation results of each supplier's quality assurance ability, production and use conditions, prices, and credit. Therefore, to finalize the supplier, several suppliers of the same kind of raw materials should be appropriately selected for comparison, in particular, the production and use conditions and the quality assurance capabilities of all suppliers are basically equivalent.

2. Strict control of raw materials entering the factory Purchasing raw materials from qualified suppliers is not always a good thing. The qualification of the supplier only indicates that the supplier has the basic conditions for providing relatively stable quality of raw materials, whether the actual quantity of raw materials received is in short supply, and whether the quality can meet the production requirements is still not certain. Therefore, before entering the factory, the raw materials should also strictly comply with the following requirements to ensure good quality of the factory.

1. No need to check raw material acceptance. Should be based on raw material procurement contract, with the counterparty "certificate", "Material" and other quality certification materials acceptance; for individual low-value consumables and difficult to issue the corresponding "certificate", "Material", must be provided in advance samples. For raw materials without "certificate" and "material book", acceptance and storage shall be rejected.

2. The raw materials that need to be inspected can be stored in the warehouse after passing inspection. Before inspecting raw materials for storage, the purchasing department shall fill in the “Send Inspection Record” and submit it to the professional inspection department. After the professional inspection department issues the qualified inspection report, it will be put in the warehouse according to the qualified report. If the inspection fails, you should fill out the "Rejected Product Record" form and fill in the quality information feedback one-time quality competent department feedback, request the procurement department to handle the return and replacement procedures.

3. Timely establishment of inspection records after acceptance of the revenue database. The custodian shall establish a Record of Acceptance of Raw Material Receipts. The record shall include: raw material name, specification, model, manufacturer, arrival time, arrival quantity, qualified quantity, acceptance time and corresponding quality certificate; and according to the material type, name, Specifications are posted separately to build cards for future enquiries and confirmations.

4. For emergency or quality certification materials not all raw materials acceptance processing. For materials that are urgently used or quality certification materials are not complete, one-time quality feedback department shall fill in the information quality feedback. The quality management department shall urge the procurement department to submit the quality certification materials, and store the raw materials according to the acceptance inspection procedures. If you fail to qualify, you can go through the acceptance procedure after you have verified the quality.

5. Appearance quality inspection of raw materials To inspect whether there is any damage or defects in the outer packaging materials, see if there is any corrosion or leakage in the packaging, check the product name, grade, specification, etc., by unpacking, and pass the product qualification certificate and packing list acceptance.

6. Only the installation and use phase can expose the internal quality problems. The raw material custodian should establish a quality tracking card, keep in touch with the production and use units, master the first-hand information, and make timely feedback on problems found, and notify the supply department to handle the problem according to regulations.

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