GB/T 15746.3-1995 Automobile repair quality inspection and assessment standard - Automobile body overhaul
Some standard content:
National Standard of the People's Republic of China
Standard of qualitative assessment for vehicle repair-Major repair of bodies
The standard of qualitative assessment for vehicle repair-Major repair of bodies Subject content and scope of application
GB/T 15746. 3—-1995
This standard specifies the main contents, assessment rules and methods of quality inspection and assessment for vehicle body overhaul.
This standard is applicable to the inspection and assessment of the quality of vehicle body overhaul, and it is applicable to vehicle trains and special vehicles as a reference.
Referenced standards
GB1495 Permissible noise level of motor vehicles
GB1496 Method for measuring noise level of motor vehicles
GB1743 Method for measuring gloss of paint films
GB/T12478 Test method for dustproof sealing of passenger cars GB12479 Limit value for dustproof sealing of passenger cars
GB/T12480 Test method for rainproof sealing of passenger cars GB12481 Limit value for rainproof sealing of passenger cars
GB/T12673 Method for measuring main dimensions of automobiles JB/Z111 Automobile paint coatings
Approved by the State Administration of Technical Supervision on November 16, 199538
Implemented on January 1, 1996
3 Terminology
GB/T 15746.3—1995
3.1 Major repair for the automobile body Automobile bodiesA major repair of an automobile body refers to a repair operation in which the repair area of the body exceeds 50% and the entire body is painted.
3.2Qualitative assessment for major repair of automobile bodiesA comprehensive evaluation of the quality of the completed major repair of an automobile body and the degree of perfection of the basic inspection and technical documents for the major repair of an automobile body.
3.3Qualification for the major repair of automobile bodies being receivedThe degree to which the automobile body is restored to its good technical condition and life after the major repair is completed. 3.4Check lists for the major repair ofautomobile bodies being receivedA record of the technical appraisal of the technical condition of the body by the automobile maintenance and inspection technicians after the major repair of the automobile body is completed.
3.5Certificate of confirmation for the major repair of automobile bodies
The quality certificate of the automobile body after the major repair has been completed, which has been technically appraised and meets the corresponding standards.
4 Assessment Content
4.1 Assessment of Basic Inspection Technical Documents for Automobile Body Overhaula. Inspection Sheet for Automobile Body Overhaul Entering the Factory;
b. Inspection Sheet for Automobile Body Overhaul Process;c. Inspection Sheet for Automobile Body Overhaul Completion;
d. Automobile Body Overhaul Certificate.
4.2 Assessment of Completion Quality of Automobile OverhaulWww.bzxZ.net
GB/T 15746.3—1995
The assessment of completion quality of automobile body overhaul is the inspection and assessment of the shape, coating and main technical performance of skin, guard plate, door and window, luggage compartment cover, engine hood, seat, decorative parts and accessories. 5 Assessment Rules
5.14.1 is the basic condition for participating in the assessment, and none of them can be missing. 5.24.2 is the basic content of assessing the quality of automobile body overhaul. The assessment items are divided into "key items" and "general items" according to their importance. In Appendix B, the items with * and ^ are key items, and the others are general items.
5.3 The quality of automobile body overhaul is evaluated by comprehensive item qualification rate, which is divided into four levels: excellent, medium, qualified and unqualified.
5.4 Calculation method of comprehensive item qualification rate
Where: β. ——comprehensive item qualification rate; β: item qualification rate,
n;——the sum of the number of items that have passed the inspection; m;——the sum of the number of items that have been inspected one by one;
Center voltage
·（1）
++*+*+*+( 2 )
The superscript is 1, 2, and 3, which respectively represent the basic inspection technical documents for automobile body overhaul, namely "three documents and one certificate", the repaired vehicle body and key items; K,—correction coefficient, which are 0.2, 0.6, and 0.2 respectively. 5.5 The quality classification of automobile overhaul shall comply with the provisions of Table 1. 40
Unqualified
Evaluation method
GB/T15746.3—1995
Qualified rate of key items
Bs=100%
βs=100%
β: 100%
33<100%
Qualified rate of comprehensive items
βo≥95%
85%≤β<95%
70%≤p85%
orβ<70%
6.1 The evaluation of basic inspection technical documents for automobile body overhaul shall be carried out in accordance with the provisions of Appendix A (Supplement).
6.2 The evaluation of the completion quality of automobile body overhaul shall be carried out in accordance with the provisions of Appendix B (Supplement). 41
GB/T 15746.3-1995
Appendix A
Evaluation of basic inspection technical documents for automobile body overhaul (supplement)
The evaluation of basic inspection technical documents for automobile body overhaul shall be carried out in accordance with Table A1. A1
Evaluation items
Automobile body overhaul in-factory inspection form
Automobile body overhaul technical requirements for evaluation
(1) The in-factory inspection form for automobile body overhaul shall include the following contents: in-factory number, license plate number, brand, vehicle model, consignor, vehicle status, consignor's report on repair, vehicle body accessories inventory record, vehicle body inspection record, inspection date, repairer's handling opinion, and inspector's signature.
(2) The handwriting on the form should be clear, the items should be complete and complete, and the form should be filled out truthfully and correctly.
(1) The inspection form should include the following contents:
process inspection
factory number, brand, vehicle model, inspection items, inspection result record, inspection conclusion, handling opinions, signature of the main repairer, signature of the inspector, date, etc.
Inspection methods
and means
Assessment methods
If there is
one item in the list that does not meet
then
it will be counted as one item
unqualified
If there is
one item in the list that does not meet
then
it will be counted as one item
unqualified
Assessment items
Automobile
Body overhaul
GB/T 15746.3--1995
Continuation Table Al
Evaluation Technical Requirements
(2) The handwriting in the form should be clear, the items should be complete and complete, and the filling should be true and correct. The inspection items and wording in the automobile inspection form should comply with the relevant national and industry standards and the relevant provisions of the relevant vehicle repair technical documents.
(1) The inspection form should include the following content:
Worker inspection form
Factory number, repair unit, repair unit, license plate number, brand, vehicle model, vehicle equipment status, vehicle modification and reconstruction status, inspection record, inspection conclusion, inspector's signature, inspection date, etc. (2) The handwriting on the form should be clear, the items should be complete and complete, and the information should be filled out truthfully and correctly. The inspection items, requirements, methods and wording on the form should comply with the relevant national and industry standards and the relevant provisions of the relevant vehicle repair technical documents. Inspection methods and means Evaluation methods If there is one item on the form that does not meet the requirements, it will be counted as one item. If there is one item on the form that does not meet the requirements, it will be counted as one item. Evaluation items Vehicle body overhaul GB/T 15746.3—1995
Continuation Table A1
Evaluation Technical Requirements
(1) The contents of the certificate shall include:
factory number, license plate number, brand name,
maintenance contract number, vehicle model, factory date
, signature and date of the chief inspector,
stamp of the quality inspection department of the repair unit, warranty period provisions, etc.
(2) The handwriting in the certificate should be clear, the items should be complete and accurate, and the terms in the certificate should comply with the specifications in the relevant national and industry standards.
Appendix B
Inspection methods
and means
Evaluation of the quality of completed automobile body overhaul
(Supplement)
B1 The quality of completed automobile body overhaul shall be evaluated in accordance with Table B1. Table B1
Assessment Items
Curb Mass
Assessment Technical Requirements
Automobile after body repair
Inspection Methods
And Means
Assessment Methods
If there is
one
non-conforming
item in the certificate, it shall be counted as one
non-conforming
Assessment Methods
Automobile
does not conform
to the balance or the vehicle is specified as unqualified
Curb mass and axle load distribution shall not exceed 3% of the original design wheel axle quality qualified
Instrument measurement
B1. 4. 1*
Assessment items
Outline dimensions
Inside and outside
Protrusions
Body cover
Skin and guard plate
Rivets, screws
Guard plate and
GB/T 15746.3—1995
Continued Table B1
Evaluation Technical Requirements
Should comply with the original design specifications
The vehicle body should not have any sharp protrusions that may cause injury inside or outside
The vehicle body skin should have the correct shape, be flat, have a smooth curve, and be free of looseness and cracks
The rivets on the vehicle body should be flat and tight
The vehicle guard plate should be flat, have a smooth curve, and be free of convex and concave deformation
deformation and cracks
The vehicle skin and guard plate
The pressure strips should be tightly fitted and
should be straight and should not be twisted
Inspection Method|| tt||and means
with steel coil
assessment method
not in compliance
rule is not qualified according to GB/12673
specified measurement
one
or more defects
is unqualified
one
or more defects
is unqualified
five
or more defects
is unqualified
two
or more defects
is unqualified
two
or more defects
is unqualified
assessment item
paint table
GB/T 15746.31995
Continued Table B1
Evaluation Technical Requirements
The paint surface should be free of flow marks,
bubbles, cracks, wrinkles, peeling
layers, and paint missing (the topcoat of the cargo compartment of a truck
is allowed to have
unnoticeable
wrinkles, brush marks, and flow marks)
Topcoat edge
The border between different colors of the topcoat should be
clear and neat
Paint film gloss
Paint hardness
Decoration
Body skin paint film gloss
Gloss: Passenger cars should not be less than
Inspection methods
And means
Use paint film
Evaluation method
Two
of the above defects
are considered as non- Qualified
If there are more than two defects
it is unqualified
Not meeting
Gloss measurement stipulates that it is not 90%; Truck cab is not qualified
less than 85%
Measured according to the provisions of GB 1743
Not meeting
Paint surface hardness should comply with the provisions of JB/Z 111. It is not meeting the provisions of JB/Z 111
Interior and exterior decoration,
Appearance of decorative parts
The appearance of interior and exterior decorative parts
Should be smooth and fit, without dents, protrusions or bends, with smooth corners, and no scratches or hammer marks on the surface. Fasteners are neatly arranged and firmly installed. If there are more than two defects, it is unqualified. Assessment items: External decoration, GB/T 15746.3—1995. Continued table B1. Assessment technical requirements: External decorative belt segmented joints, inspection methods and means. Thickness should be flush at the joints. The joint gauge measurement and assessment method should have more than one non-compliance. The gap should not be greater than 0.50mm. The joint gap should be parallel to the bottom edge of the window. The parallelism error should not be greater than 5 within the entire length. mm
Electroplated
Metal goods
Wooden goods
Electroplated decorative parts should be bright, free of rust, delamination, and scratches. The surface of aluminum decorative parts should be polished and oxidized or electrochemically treated.
Metal goods should be free of corrosion and cracks. The side panels and bottom panels should have the correct shape and surface.
The joints in the wooden cargo compartment floor should not be measured with a ruler.
Parallelism
Use a steel straight
gap to measure within the full length.
2 mm, side panels and bottom panels should be flat, left and right side panels should be parallel, and the height difference should not exceed 10mm. After the side panels are closed, the gaps on each side should not exceed 5mm. Two or more defects are unqualified. Two or more defects are unqualified. Two or more defects are unqualified. Assessment items: cargo compartment attachment GB/T 15746.3—1995
Continued Table B1
Evaluation Technical Requirements
The corner irons of the cargo compartment side panels, hinge brackets, awning hooks, awning pole sockets, lock hooks and cargo compartment linings should be repaired and replaced in a complete and effective manner according to the original factory design. The pneumatic doors should be flexible to open and close and lock reliably under the air pressure specified by the original vehicle. The manual doors should be easy to open and close and lock reliably. The door gap is even and the sealing strip is effective. The windows (windshield, rear window) and the sealing strips of the side windows, corner windows and windshields should not be warped or deformed. The openable windows should be easy to open and close, close tightly and lock reliably. The window regulator should be flexible and effective. The sealing strips should be complete, without aging or damage, and should be firmly bonded and effective. Inspection methods and means |Assessment method
If there are more than three defects
, it is unqualified
If it does not meet the requirements
, it is unqualified
If there are more than two defects
, it is unqualified
If there are more than two defects
, it is unqualified
If there are more than two defects
, it is unqualified
Assessment items
Engine
Truck
GB/T 15746.3--1995
Continued Table B1
Evaluation technical requirements
Door and window glass should be made of
safety glass, the front windshield
glass should be made of
laminated glass
or tempered glass in some areas: other doors and windows can be made of
tempered glass, and should be
complete, intact and transparent. The windshield should not be dazzling. The bus floor should be free of cracks and damage, with a flat and tight surface. The wooden floor should be evenly arranged. There should be no cracks, convex and concave deformation, tight cover, symmetrical side seams, and flat side covers. The accessories should be complete and effective, flexible to open, and reliable to lock. There should be no cracks or deformation, flexible to open, tight cover, symmetrical side seams, reliable locking, and firm support. The seat spacing should comply with the inspection method. t||and means
Use steel straight
original design regulations or measure with ruler
comply with the regulations of modification and reconstruction technical requirements
evaluation method
If there are more than two defects
it is unqualified
If there are more than two defects
it is unqualified
If there are more than two defects
it is unqualified
If there are more than two defects
it is unqualified
If there are more than two defects
it is unqualified
If there are more than two defects
it is unqualified
If there are more than two defects
it is unqualified
If there are more than two defects
it is unqualified
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