Raw materials are essential for the production of metal mold enterprise products, and guarantee the quality basis of metal mold enterprises. However, with the increasingly fierce competition in the hardware materials market, there are always some profit makers or unscrupulous vendors to bring counterfeit products to the market. Even some regular manufacturers may cause some inferior products to flow due to their own management loopholes or other reasons. market. The production and use of these counterfeit products constitutes a major quality or safety hazard, and has become the chief culprit of product quality accidents or safety accidents. In addition, if the raw materials purchased are improperly controlled, it will directly affect the production quality of the products. How to prevent counterfeit or deteriorated raw materials from flowing into the production line is a research topic for each mold enterprise. Luo Baihui, an industry expert, believes that hardware mold enterprises should control the quality of raw material procurement and ensure the quality and safety of product production. It needs to be controlled from the evaluation and selection of raw material suppliers, strengthening the acceptance of raw materials before storage, and improving the quality of warehouse management.
I. Classification of raw materials and their supplier evaluation and selection
1. Production of raw materials should be classified management, highlighting key points
Hardware companies need a wide variety of raw materials, but different raw materials have different effects on the quality of production products. In order to facilitate the key control of procurement quality, raw materials should be classified and managed according to the degree of influence of raw materials on product quality. Generally divided into three categories:
Class A raw materials: refers to the raw materials used in the production and use process, which may have direct and significant impact on the production quality of the products (such as direct impact on the key functions and performance of the products).
Class B raw materials: refers to the production and use process, which may bring indirect or more important influence on the quality of raw materials.
Class C raw materials: Refers to the general auxiliary parts, which affect general or minor raw materials.
2. Evaluation of raw material suppliers
Practice has shown that the quality of raw materials purchased is stable, depending largely on the quality management level of suppliers. Therefore, it is necessary to evaluate the quality assurance capabilities of various raw material suppliers before purchasing.
(1) Evaluation of supplier of Class A raw materials
For the evaluation of A-type raw material suppliers, it is generally necessary to conduct on-the-spot investigations, evaluate the operation status of the quality system, the past supply situation, the handling and rectification ability when the supply quality is abnormal, as well as the ability to deliver on delivery and delivery quantity, and the cost performance of its products. Its after-sales service capabilities (including after-sales service attitude, timeliness, effects). At the same time, it is necessary to: check the information provided by the supplier, investigate and understand from the other customers of the supplier, and test the supply of raw material samples, and evaluate the results of regular analysis of the quality of raw materials.
(2) Evaluation of suppliers of B and C raw materials.
Generally, it is not a field visit, mainly to consult the information provided by the supplier, to provide test samples for the supply of raw materials, and to analyze the results of periodic analysis of raw material quality, etc., to achieve the supplier evaluation. It: For the evaluation of B-type raw material suppliers, the procurement department proposes “B-type raw material supplier evaluation list†to provide information on B-type suppliers, or the quality, service, price and other information and information of previous B-type raw materials inspection and use. The relevant departments of technology, manufacturing, quality, finance, etc. will be signed (reviewed) and reported to the senior management for approval; for the evaluation of the capacity of the C-type raw material suppliers, the procurement department will propose the “C-type supplier evaluation listâ€, by quality, The financial and other signings and the purchasing department manager will sign and execute.
3. Selection and determination of raw material suppliers
Qualified raw material suppliers should be determined by selection. Obtaining a qualified raw material supplier depends on the above-mentioned evaluation results of each supplier's quality assurance capability, as well as production use, price, reputation and other factors. Therefore, the final determination of suppliers should be based on the selection of several suppliers of the same kind of raw materials, especially in terms of production and use and the quality assurance capabilities of each supplier.
Second, strict raw materials into the factory control
Purchasing raw materials from qualified suppliers is not a good thing. Qualified suppliers only indicate that the supplier has the basic conditions for providing relatively stable quality raw materials. Whether the actual quantity of raw materials received is insufficient, and whether the quality can meet the production requirements is not certain. Therefore, before entering the factory, the raw materials should be strictly controlled according to the following requirements.
1. There is no need to check the acceptance of raw materials. It should be accepted according to the raw material procurement contract, the accompanying goods "certificate", "material book" and other quality certification materials; for individual low-value consumables and difficult to issue the corresponding "certification certificate", "material book", must be sampled in advance. For raw materials without "certification certificate" and "material book", acceptance and storage should be refused.
2. The raw materials to be inspected can be put into storage after passing the inspection. Before the raw materials need to be inspected, the purchasing department should fill in the “Checking Record†and submit it to the professional inspection department. After the professional inspection department issues the qualified inspection report, it will be submitted to the warehouse with the qualified report. If the inspection is unqualified, the “Not Qualified Product Record†form should be completed, and the quality information feedback should be filled in one-time quality department's feedback, and the purchasing department should be required to apply for the return and exchange procedures.
3. Establish the acceptance record after the income bank is established in time. The custodian shall establish the “Record Acceptance Record for Raw Materialsâ€, including: name, specification, model, manufacturer, arrival time, arrival quantity, qualified quantity, acceptance time and corresponding quality certificate; and according to the material category, name, The specifications are separately posted for the future inquiry and confirmation.
4. Acceptance of raw materials for emergency or quality certification materials. For the urgent use or quality certification materials, all the raw materials need to be filled in. The quality feedback should be filled in one-way quality supervision department's feedback. The quality competent department urges the procurement department to fail the quality certification materials, and the raw materials are put into the warehouse acceptance procedure and temporarily stored. If the area is not qualified, the inspection and acceptance procedures can be completed.
5. Appearance quality inspection of materials should check whether the outer packaging of raw materials is damaged or defective, whether the packaging has corrosion or leakage, and the name, grade, specification and model of the unpacking inspection, and acceptance of the product certificate and packing list.
6. For the quality problems that can only be exposed during the installation and use phase, the raw material custodian should establish a quality tracking card, maintain communication with the production and use units, master the first-hand information, and promptly report the problems, and notify the supply department to handle the regulations. .
Third, strict quality control of raw materials
Prevent the deterioration of raw materials in the warehouse, and continue the control of raw material procurement process. The key is to do the following management work.
1. Management of storage raw materials. For stock raw materials, especially Class A raw materials, inspections should be carried out frequently to achieve “ten noâ€, ie no moisture, no corrosion, no rust, no mildew, no bad, no change, no bad, no freezing, no damage, no shackles. .
2. Treasury environmental management. The shelves and articles in the warehouse should be placed reasonably, the passages are smooth, the doors and windows are not damaged, and the “three nets†(ground, doors and windows, shelves) are provided, and there is no debris, garbage or dust.
3. Warehouse raw material stacking and covering. Stacking masking also ensures that the library has an important aspect of raw material quality. Stock raw materials must be properly stacked according to their performance and storage requirements. Special consideration is given to the performance of Class A raw materials, the quality of packaging, and the ground conditions of warehouses. Appropriate palletizing methods are adopted to achieve flood control and moisture prevention.
4. Raw material inspection. Raw materials enter the warehouse, acceptance, and palletizing. At the same time, maintenance control should be carried out according to the classification of raw materials and maintenance requirements, that is, regular or regular inspections should be carried out to eliminate and deal with hidden dangers in time.
5. Raw material out of the warehouse management. The principle of “first in, first out†should be observed, especially in dealing with long storage periods, large piles of goods, and difficulty in inspecting raw materials for attention. It is necessary to timely release such raw materials. At the same time, the behavior of the warehousing process is regulated to avoid damage to the quality of raw materials during the handling process.
Fourth, regular analysis of raw material procurement quality
The quality of raw material procurement is regularly analyzed, and many hardware mold companies are easy to ignore, but very important. Regular analysis of the quality of raw material procurement can reveal whether there is regularity in the quality of raw materials supplied by suppliers, and provide important information and even basis for supplier selection and adjustment after the quality control of the next production process.
The quality of raw material procurement is regularly analyzed. Class A raw materials should be taken once a month; Class B raw materials should be taken once every six months; Class C raw materials should be taken once a year. The main contents of the analysis are: statistical analysis of acceptance results of raw materials trials and tests; on-time delivery and delivery quantity of suppliers; handling and rectification when supply quality is abnormal.
In short, metal mold companies should not only pay attention to the production process, focus on efficiency, but also pay attention to the quality of raw material procurement. Do a good job in the quality management of procurement raw materials, strengthen the quality control of the procurement process, and have a solid foundation and reliable guarantee for product quality.
I. Classification of raw materials and their supplier evaluation and selection
1. Production of raw materials should be classified management, highlighting key points
Hardware companies need a wide variety of raw materials, but different raw materials have different effects on the quality of production products. In order to facilitate the key control of procurement quality, raw materials should be classified and managed according to the degree of influence of raw materials on product quality. Generally divided into three categories:
Class A raw materials: refers to the raw materials used in the production and use process, which may have direct and significant impact on the production quality of the products (such as direct impact on the key functions and performance of the products).
Class B raw materials: refers to the production and use process, which may bring indirect or more important influence on the quality of raw materials.
Class C raw materials: Refers to the general auxiliary parts, which affect general or minor raw materials.
2. Evaluation of raw material suppliers
Practice has shown that the quality of raw materials purchased is stable, depending largely on the quality management level of suppliers. Therefore, it is necessary to evaluate the quality assurance capabilities of various raw material suppliers before purchasing.
(1) Evaluation of supplier of Class A raw materials
For the evaluation of A-type raw material suppliers, it is generally necessary to conduct on-the-spot investigations, evaluate the operation status of the quality system, the past supply situation, the handling and rectification ability when the supply quality is abnormal, as well as the ability to deliver on delivery and delivery quantity, and the cost performance of its products. Its after-sales service capabilities (including after-sales service attitude, timeliness, effects). At the same time, it is necessary to: check the information provided by the supplier, investigate and understand from the other customers of the supplier, and test the supply of raw material samples, and evaluate the results of regular analysis of the quality of raw materials.
(2) Evaluation of suppliers of B and C raw materials.
Generally, it is not a field visit, mainly to consult the information provided by the supplier, to provide test samples for the supply of raw materials, and to analyze the results of periodic analysis of raw material quality, etc., to achieve the supplier evaluation. It: For the evaluation of B-type raw material suppliers, the procurement department proposes “B-type raw material supplier evaluation list†to provide information on B-type suppliers, or the quality, service, price and other information and information of previous B-type raw materials inspection and use. The relevant departments of technology, manufacturing, quality, finance, etc. will be signed (reviewed) and reported to the senior management for approval; for the evaluation of the capacity of the C-type raw material suppliers, the procurement department will propose the “C-type supplier evaluation listâ€, by quality, The financial and other signings and the purchasing department manager will sign and execute.
3. Selection and determination of raw material suppliers
Qualified raw material suppliers should be determined by selection. Obtaining a qualified raw material supplier depends on the above-mentioned evaluation results of each supplier's quality assurance capability, as well as production use, price, reputation and other factors. Therefore, the final determination of suppliers should be based on the selection of several suppliers of the same kind of raw materials, especially in terms of production and use and the quality assurance capabilities of each supplier.
Second, strict raw materials into the factory control
Purchasing raw materials from qualified suppliers is not a good thing. Qualified suppliers only indicate that the supplier has the basic conditions for providing relatively stable quality raw materials. Whether the actual quantity of raw materials received is insufficient, and whether the quality can meet the production requirements is not certain. Therefore, before entering the factory, the raw materials should be strictly controlled according to the following requirements.
1. There is no need to check the acceptance of raw materials. It should be accepted according to the raw material procurement contract, the accompanying goods "certificate", "material book" and other quality certification materials; for individual low-value consumables and difficult to issue the corresponding "certification certificate", "material book", must be sampled in advance. For raw materials without "certification certificate" and "material book", acceptance and storage should be refused.
2. The raw materials to be inspected can be put into storage after passing the inspection. Before the raw materials need to be inspected, the purchasing department should fill in the “Checking Record†and submit it to the professional inspection department. After the professional inspection department issues the qualified inspection report, it will be submitted to the warehouse with the qualified report. If the inspection is unqualified, the “Not Qualified Product Record†form should be completed, and the quality information feedback should be filled in one-time quality department's feedback, and the purchasing department should be required to apply for the return and exchange procedures.
3. Establish the acceptance record after the income bank is established in time. The custodian shall establish the “Record Acceptance Record for Raw Materialsâ€, including: name, specification, model, manufacturer, arrival time, arrival quantity, qualified quantity, acceptance time and corresponding quality certificate; and according to the material category, name, The specifications are separately posted for the future inquiry and confirmation.
4. Acceptance of raw materials for emergency or quality certification materials. For the urgent use or quality certification materials, all the raw materials need to be filled in. The quality feedback should be filled in one-way quality supervision department's feedback. The quality competent department urges the procurement department to fail the quality certification materials, and the raw materials are put into the warehouse acceptance procedure and temporarily stored. If the area is not qualified, the inspection and acceptance procedures can be completed.
5. Appearance quality inspection of materials should check whether the outer packaging of raw materials is damaged or defective, whether the packaging has corrosion or leakage, and the name, grade, specification and model of the unpacking inspection, and acceptance of the product certificate and packing list.
6. For the quality problems that can only be exposed during the installation and use phase, the raw material custodian should establish a quality tracking card, maintain communication with the production and use units, master the first-hand information, and promptly report the problems, and notify the supply department to handle the regulations. .
Third, strict quality control of raw materials
Prevent the deterioration of raw materials in the warehouse, and continue the control of raw material procurement process. The key is to do the following management work.
1. Management of storage raw materials. For stock raw materials, especially Class A raw materials, inspections should be carried out frequently to achieve “ten noâ€, ie no moisture, no corrosion, no rust, no mildew, no bad, no change, no bad, no freezing, no damage, no shackles. .
2. Treasury environmental management. The shelves and articles in the warehouse should be placed reasonably, the passages are smooth, the doors and windows are not damaged, and the “three nets†(ground, doors and windows, shelves) are provided, and there is no debris, garbage or dust.
3. Warehouse raw material stacking and covering. Stacking masking also ensures that the library has an important aspect of raw material quality. Stock raw materials must be properly stacked according to their performance and storage requirements. Special consideration is given to the performance of Class A raw materials, the quality of packaging, and the ground conditions of warehouses. Appropriate palletizing methods are adopted to achieve flood control and moisture prevention.
4. Raw material inspection. Raw materials enter the warehouse, acceptance, and palletizing. At the same time, maintenance control should be carried out according to the classification of raw materials and maintenance requirements, that is, regular or regular inspections should be carried out to eliminate and deal with hidden dangers in time.
5. Raw material out of the warehouse management. The principle of “first in, first out†should be observed, especially in dealing with long storage periods, large piles of goods, and difficulty in inspecting raw materials for attention. It is necessary to timely release such raw materials. At the same time, the behavior of the warehousing process is regulated to avoid damage to the quality of raw materials during the handling process.
Fourth, regular analysis of raw material procurement quality
The quality of raw material procurement is regularly analyzed, and many hardware mold companies are easy to ignore, but very important. Regular analysis of the quality of raw material procurement can reveal whether there is regularity in the quality of raw materials supplied by suppliers, and provide important information and even basis for supplier selection and adjustment after the quality control of the next production process.
The quality of raw material procurement is regularly analyzed. Class A raw materials should be taken once a month; Class B raw materials should be taken once every six months; Class C raw materials should be taken once a year. The main contents of the analysis are: statistical analysis of acceptance results of raw materials trials and tests; on-time delivery and delivery quantity of suppliers; handling and rectification when supply quality is abnormal.
In short, metal mold companies should not only pay attention to the production process, focus on efficiency, but also pay attention to the quality of raw material procurement. Do a good job in the quality management of procurement raw materials, strengthen the quality control of the procurement process, and have a solid foundation and reliable guarantee for product quality.
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