Cement mixer, also known as concrete mixer, is used to mix cement, sand aggregate and water into concrete mixture machinery, mainly composed of mixing cylinder, adding and unloading mechanism, water supply system, primary motor, transmission mechanism, frame and supporting device.
Teencher Inspection team consists of professional quality control and international trade experts, each member with extensive inspection experience and very strong sense of service. our inspection can help you to reduce logistics costs, return risk, complaints, compensation and potential brand reputation due to quality problems.
1.Inspection Environment and Requirement
-Requirement for place of Rolling fire door inspection:Light from a power of at least 500 Lux.
-Perspective:The products must be tested by every angle.
-Distance of viewing:In doubts, check the products from a distance of 30 cm. If it is not visible, it is no defect. View the items by various angles.2.Visual NonConformities Standard
Visual nonconformities as stated below are typical defects during production and must be handled either by means of suitable measuring or comparison practices. A practical method is to compare defects either against the specification guide or against provided samples.
-Not permitted any sharp point/sharp edge etc.
-Not permitted infestation of live insect.
-Not permitted heavily odor.
-Not permitted burr mark ,flash mark,crack,scratch mark etc.
-Not permitted rust,pell off coating etc.
-Not permitted missing any parts or accessories.
-Not permitted missing printing,poor printing etc.
-Not permitted water spot,color stain,oil stain,dirty mark etc.
3.Field Test & Measurement
-Function check
-Color shade check
-Smell check
-High voltage test
-Earth resistance check
-Power consumption check
-Product dimension check
-Product weight check
-Barcode readable check
-Assembly check
-Product performance check
-Power cord pull test
-Power cord length check
-Rub test
-Tape test
-Quantity per carton check
-Carton dimension check
-Carton weight check