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Enterprises that operate mining low-voltage high-voltage frequency conversion speed control all-in-one products can apply for CMAC certification.
1. Mining frequency conversion speed regulation all-in-one machine.
Mining low-voltage frequency conversion speed regulation all-in-one machine.
Mining high-voltage frequency conversion speed regulation all-in-one machine.
Second, according to the standard.
CMAC13-4611301-GF-2022 Specification for Energy Saving Evaluation and Energy Efficiency Level Identification of Mine Frequency Conversion Speed Regulation All-in-One Machine
3. Authentication mode.
A: Technical review + product inspection + factory inspection + post-certification supervision.
B: Technical review + product inspection + post-certification supervision.
Fourth, the application requirements.
1) The business license is within the validity period, and the applied product is within the scope of business;
2) Have the production and operation premises and technical capabilities suitable for the applied products;
3) Have a quality management system suitable for the applied product, and operate effectively;
4) Have the production conditions suitable for the applied products, and the equipment and ability to meet the requirements of process control and factory inspection;
5) Have a production process that meets the requirements and carry out effective control.
5. Application materials.
1.Application.
2.License.
3.Technical Documentation.
a.The product implements a standard or technical condition.
b.Product drawings.
c.A detailed list of key parts and important raw materials of the product.
d.Instruction manual for the product.
e.Products**.
f.Other. 4.Relevant supporting materials.
a.Registration certificate of the applicant, manufacturer, manufacturer, such as business license, organization certificate, etc. (when applying for the first time);
b.If the applicant is the seller or importer, a copy of the relevant contract concluded between the seller and the manufacturer, the importer and the manufacturer shall also be submitted;
c.Proof of the relationship between the manufacturer and the manufacturing plant;
d.Power of attorney (if any) from the person;
e.Valid supervision and inspection report or factory inspection report (if any);
f.Technical documents and consistency commitment for the record of safety signs;
g.Other required documents.
6. Product technical parameters.
Rated voltage (V).
Rated power (kw).
Rated current (a).
Rated frequency (Hz).
Operating frequency range (Hz).
Frame number. Cooling method.
Dimensions (cm).
Insulation rating. Work schedule.
Efficiency (%), frequency conversion speed regulation, number of poles.
The type of load. 7. Sample inspection.
The samples must be produced by the manufacturer of this application, and the samples shall not be borrowed, rented, or purchased for testing. Basic information such as product production unit, production date, specification (model), explosion-proof type, and main parameters must be indicated.
8. Review time.
100 people and less 4 person days.
101-300 people 6 person-days.
301 people and above, 8 person-days.
9. Factory audit.
If the factory inspection conclusion is A-level, the inspection is qualified.
If the factory inspection conclusion is B or C, the applicant shall rectify the non-conformities, and the rectification work shall be completed within 60 days, and the rectification report shall be submitted to the inspection team leader.
If the factory inspection conclusion is unqualified in grade D, the applicant must complete the rectification as required within 60 days and submit the rectification report to the inspection team leader.
10. Supervision and audit.
1.Regular check-ups.
Examinations will be carried out once every 12 months with advance notice.
2.Irregular check-ups.
If there is a major change in the quality assurance ability of the factory of the licensee or it may affect the certification results, it shall be supplemented with non-routine supervision and inspection. However, for the same licensee, such inspections shall not be conducted more than twice a year, but for special and more serious circumstances, the frequency shall be increased as appropriate.
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