Some standard content:
JG/T3051-1998
This standard is mainly compiled with reference to German standards DIN18055, DIN107 and my country's JG/T3017 "PVC Plastic Door" standard.
Appendix A of this standard is the appendix of the standard.
This standard is proposed by the Standard and Quota Research Institute of the Ministry of Construction. This standard is under the jurisdiction of the China Building Standard Design Institute, the technical unit responsible for building products and equipment of the Ministry of Construction. This standard is drafted by the China Academy of Building Research, Beijing Xinghang Building Plastic Products Factory, Qingdao Hongda Plastic Corporation Qinglu Plastic Building Materials Branch, and China Northern Door and Window Group Corporation. The main drafters of this standard are: Wang Yongjing, Hu Fuxing, Sun Xueming, and Liu Yuchen. This standard is entrusted to the China Academy of Building Research for interpretation. 229
1 Scope
Construction Industry Standard of the People's Republic of ChinaPVC
Plastic Floor Spring Doors
Rigid Polyvinyl Chlorid Doors with Floor CloserJG/T 3051--1998
This standard specifies the specifications, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of PVC plastic floor spring doors (hereinafter referred to as floor spring doors). This standard applies to floor spring doors assembled from rigid polyvinyl chloride (PVC) profiles for use as interior doors (excluding household doors) in houses. This standard also applies to floor spring doors with half glass and full glass. 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using the standards should explore the possibility of using the latest versions of the following standards. GB/T5824-1986 Dimension series of door and window openings in buildings GB/T 8814—1988
Rigid polyvinyl chloride (PVC) profiles for door and window frames
GB/T9296—1988 Floor springs
GB/T 10804—1989
GB/T 12002--1989
GB/T 12003-—1989
Rigid polyvinyl chloride (PVC) interior doors
Sealing strips for plastic windows
Basic dimensional tolerances for plastic windows
Test methods for mechanical properties and weather resistance of PVC plastic windows GB/T 11793. 3--1989
3 Specifications and models
3.1 The thickness of the door leaf profile of plastic floor spring doors is 60 mm. 3.2 Floor spring door opening size series and specifications 3.2.1 The width and height of the door are mainly determined by the thickness of the door frame, the mechanical performance requirements of the door, the opening size and installation requirements. 3.2.2 The specifications and codes of the floor spring door opening are shown in Table 1. Table 1 Floor spring door opening specifications and codes Opening width
Opening specification code
Opening height
Single-leaf door
Approved by the Ministry of Construction of the People's Republic of China on November 13, 1998 230
Double-leaf door
Implemented on March 1, 1999
JG/T 3051—1998
3.2.3 In addition to the provisions of Table 1, when a door and door or door and window are combined, the opening size of the combined door shall comply with the provisions of GB/T5824. 3.3 The profile colors of the door are divided into white, other colors and two-color, and their codes are shown in Table 2. Table 2 Profile colors and codes of floor spring doors
Profile colorbZxz.net
3.4 Product model
Other colors
The product model consists of the product name code, characteristic code, and main parameter code. x
One modification serial number
Door opening specifications
Door leaf thickness
Main parameter code
-Number of glass layers (or thickness) Characteristic code
-Type
3.4.1 Product name and code
Plastic floor spring door MSD
3.4.2 Characteristic code
Number of glass layers A is one layer, B is two layers.
3.4.3 Main parameter code
Door leaf frame thickness 60 mm.
For specifications of door openings, see Table 1.
3.4.4Example:
Name code
Plastic floor spring door, single glass, door leaf frame thickness is 60mm, opening width is 1400mm, opening height is 2400mm, first design: MSD:A:60X1 424-1
4Technical requirements
4.1Material
4.1.1The profiles for doors shall meet the requirements of GB/T8814. 4.1.2The sealing strips for doors shall meet the requirements of GB/T12002. 4.1.3The floor springs for doors shall meet the requirements of GB/T9296. 4.1.4The surface of the reinforced steel for doors and their fasteners shall be treated with rust prevention, and the wall thickness of the reinforced steel shall not be less than 2mm. The quality requirements for the metal materials of the reinforced steel for doors, fasteners and hardware are shown in Appendix A (Appendix to the standard). Hardware should be able to meet the mechanical performance requirements of the door.
4.2 Door dimensions
4.2.1 The door frame dimensions are determined according to the opening size (see Table 1) and the thickness requirements of the wall decoration layer. The L edge and width of the door frame height should be 231
30~50mm smaller than the opening size.
4.2.2 Door leaf dimensions
JG/T3051-—1998
The maximum width of the door leaf should be 980mm and the maximum height should be 2100mm. Note: If the door leaf size is increased, the rigidity of the door leaf and the strength of hardware and other accessories must meet the mechanical performance requirements of the door. 4.3 Door assembly
4.3.1 In order to ensure the mechanical performance requirements of the door, the structure of the door frame and door leaf should have the necessary rigidity, and reinforced steel should be added to the inner cavity of the profile of the door component when necessary.
The gap between the outer edge of the reinforced steel section and the inner cavity of the profile is 1mm±0.5mm. The axial deflection of the reinforced steel should not be greater than 1mm/m. Its length should be determined so as not to affect the welding of the end. The spacing between the fasteners used to fix each reinforced steel should not be greater than 300mm, and the distance from the end of the steel should not be greater than 50mm. The reinforced steel after fixing shall not be loose. The fasteners shall use $4mm large-head self-tapping screws or self-tapping screws with washers, and the diameter of the drilled holes shall not be greater than 3.2mm to ensure the tightness. 4.3.2 The allowable deviation of the outer dimensions of the door frame and door leaf shall comply with the provisions of Table 3. Table 3 Dimensional deviation of the door
Dimensional range of door height and width
Allowable deviation of door dimensions
4.3.3 The difference between the diagonal dimensions of the door frame and door leaf should not be greater than 3.0mm. 4.3.4 The allowable gap of the door panel assembly should not be greater than 0.6mm. 2000
>2 000
4.3.5 The assembly gap between adjacent components of door frame and door leaf shall not be greater than 0.5mm, and the same flatness at the welding (or mechanical connection) of two adjacent components shall not be greater than 0.8mm.
4.3.6 The two upper corners of the assembled door frame and the four corners of the door leaf shall be lined with connecting pieces in the inner cavity of the component profile. The connecting pieces and the reinforced steel shall be fastened with fasteners, and the gaps around the connecting pieces shall be sealed with neutral silicone sealant. 4.3.7 The matching clearance between the door frame and the door leaf and between the door leaves is 4mm±1mm (see Figure 1), which shall be guaranteed and inspected during installation.
Note: After the floor spring door is assembled, the clearance between the door frame and the door leaf, and between the door leaf and the door leaf is C1=Cz=Cs=4mm±1mm, and the clearance between the door leaf and the ground is C4=8 mm±2 mm
JG/T3051--1998
Figure 1 Schematic diagram of the clearance between the door frame and the door leaf of the PVC plastic floor spring door 4.3.8 After the door frame and the door leaf are assembled, the opening and closing functions shall not be hindered, and the door leaf shall not be warped. 4.3.9Floor springs for doors shall meet the following requirements:a) Appearance
Floor spring panels shall be flat and smooth, with complete and clear writing and patterns; the appearance shall not have defects that affect performance; the outer surface of the buried part must have an anti-rust protective layer and the bottom shall not be exposed.b) Performance
Floor springs shall be selected according to the weight of the door, and the opening and closing torques of the floor springs shall meet the requirements of Table 4. Table 4 Door weight and floor spring series
Door leaf weight
60~~85
80~120
Floor spring series
Opening torque
Below 29
Below 44
Below 59
Below 78
Closing torque
Below 5
Above 9
Above 15
Above 25
The door leaf bidirectional opening positioning deviation should be ±3°; the door leaf center reset deviation should be ±18°; when the speed regulating valve is fully closed, the closing time should not be less than 20s, and when the speed regulating valve is fully opened, the closing time should not be more than 3s. After 300,000 times of opening and closing test, the closing torque of the floor spring should be greater than 80% of the closing torque before the test, and its closing time should be consistent with the closing time before 300,000 times of opening and closing.
When in use, the switch should be stable, flexible and noiseless; oil storage parts are not allowed to leak. In order to increase the width of the passable surface of the door, it is advisable to use a floor spring with a center distance of 100 mm between the door frame and the vertical axis. 4.3.10 Configuration of door locks, door handles and door latches The door leaf should use a mortise door lock, and an aluminum alloy three-row handle should be installed in the middle of the door leaf side. For double-leaf doors, when a mortise door lock is installed on one door, the other door should be installed with double door latches at the upper and lower ends of the indoor side (or the side of the door leaf frame).
JG/T3051-1998
4.3.11 The installation of hardware accessories should be correct in position, complete in quantity and firmly installed. The door floor spring and door lock should be flexible to open and close, and have sufficient strength to meet the mechanical performance requirements of the door. The accessories that bear reciprocating motion should be easy to replace in structure. 4.3.12 After the sealing strip is assembled, it should be evenly pressed and firmly, with tight joints and no de-grooving. It should be butt-jointed at the corners. 4.3.13 The pressure strips should be firmly assembled, and the gap at the butt joints at the corners should be less than 1mm. Only one pressure strip is allowed on each side. 4.4 Glass assembly
4.4.1 The size of the glass, starting from the light-transmitting edge of the door frame and door leaf, should not overlap less than 8mm on each side. 4.4.2 When installing glass, gaskets must be installed around the glass. The requirements are shown in Figure 2. The material of the gasket is hard PVC plastic or ABS plastic hard rubber.
4.5 Appearance of the door
The surface of the door should be smooth, the color should be basically uniform, without cracks or bubbles, the welds should be flat, and there should be no defects such as scars and impurities that affect the use and appearance.
4.6 Mechanical performance requirements of doors
The opening and closing force, hanging weight, opening and closing fatigue, corner strength, soft object impact and hard object impact shall comply with the requirements of Table 5. Rubber pad
Floor spring
Figure 2 Schematic diagram of the position of glass pad and floor spring of floor spring doorTable 5 Mechanical properties of floor spring door
Technical requirements
Switching force
·Hanging weight
Switch fatigue
Angular strength
Impact of soft object
Impact of hard object
No more than 80 N
Under the action of 500N force, the residual deformation is no more than 1mm, the test piece is not damaged, and the use function is still maintainedAfter not less than 10,000 switching tests, the test piece and hardware are not damaged, and the fixings and glass moldings are not loose, and the use function is still maintained
The average value is not less than 3000N, and the minimum value is not less than 70% of the average valueNo damage, normal switching function
No damage
Note: The full glass door is not subject to impact test of soft and hard objects. 5 Test method
5.1 Storage of test specimens and test environment
JG/T 3051-1998
Before the test, the test specimens shall be stored at 18～28℃ for more than 16h and tested under such conditions. 5.2 Appearance quality inspection
Visually inspect the appearance at a distance of 400～~500mm from the specimen under natural light. 5.3 Measure the same flatness with a measuring tool with an accuracy of 0.02mm. 5.4 The outer dimensions and diagonal of the door frame and door leaf shall be tested according to the method specified in GB/T12003. 5.5 The assembly gap of the adjacent components of the door frame and door leaf and the assembly gap of the door panel shall be tested with a feeler gauge, and the matching gap between the door frame and the door leaf, and between the door leaf and the door leaf shall be tested with a measuring tool with an accuracy of 0.02mm. Considering the influence of the hanging height of the installed door leaf, the testing position shall be at the midpoint of the width and height of the door leaf.
5.6 The axial deflection of the reinforced steel shall be tested according to the axial deflection test method of the profile in GB/T8814, and its cross-sectional dimensions shall be tested with a measuring tool with an accuracy of 0.02mm. The gap between the outer edge of the reinforced steel section and the inner cavity of the profile shall be tested with a feeler gauge; the surface of the reinforced steel shall be visually inspected to see if it has been treated with rust prevention.
5.7 The hardware shall be installed firmly. Check whether the number of hardware is complete and the position is correct according to the assembly structure drawing of the door. 5.8 The installation quality of the sealing strip shall be visually inspected to see if it is uniform, pressed firmly, whether there is any slit, shrinkage, and whether the interface is tight. 5.9 The gap at the corner of the pressure strip shall be tested with a feeler gauge. 5.10 Mechanical properties of the door
The opening and closing force, hanging end weight, opening and closing fatigue, and corner strength shall be tested according to the method specified in GB/T11793.3. The impact performance of the door shall be tested according to the method specified in GB/T10804.
6 Inspection rules
6.1 Factory inspection
Factory inspection should be carried out within the validity period after the type inspection is passed, otherwise the inspection result will be invalid. 6.1.1 The factory inspection items are shown in Table 6. The inspection shall be carried out according to the methods specified in this standard. Unqualified products shall not be allowed to leave the factory. When the product leaves the factory, a certificate of conformity shall be attached.
Table 6 Inspection items for floor spring doors
Switching force
Angular strength
Hanging weight
Switch fatigue
Impact of soft objects
Impact of hard objects
Height and width of the appearance
Diagonal
Type inspection Factory inspection
1. Impact inspection of soft and hard objects is not carried out for all-glass doors. 2 The symbol "√" in the table indicates the items to be inspected. 6.1.2 Sampling method
Door Assembly gap of panels
Type inspection|Factory inspection
Assembly gap between adjacent components of door frame and door leaf
Same flatness of adjacent components
Match gap C between door frame and door leaf
Match gap C between door leaf and door leaf
Reinforced steel
Hardware installation
Quality of sealing strip installation
Quality of pressure strip installation
Products shall be randomly sampled according to each batch, variety and specification before leaving the factory, and the sampling quantity shall not be less than 3 grades. 6.1.3 Judgment rules
According to the factory inspection items specified in Table 6, the performance of plastic floor spring doors shall be inspected. When one of the performance indicators is unqualified, double sampling shall be carried out, and the unqualified items shall be re-inspected. If the item is still unqualified, the batch of products shall be judged as unqualified products. After inspection, if all inspection items meet the qualified indicators specified in this standard, the batch of products shall be judged as qualified products. 6.1.4 In the order contract, if no requirements are made for the mechanical properties of the door, its mechanical properties shall not be lower than the qualified indicators specified in 4.6 of this standard.
6.2 Type inspection
6.2.1 Type inspection shall be carried out in any of the following situations: a) trial production and identification of new products or old products transferred to the factory for production; b) after formal production, if there are major changes in structure, materials, and processes that may affect product performance; c) during normal production, inspection shall be carried out every two years; d) when the product is resumed after long-term suspension of production; e) when the results of the export inspection are significantly different from those of the last type inspection; f) when the national quality supervision agency requires type inspection. 6.2.2 Type inspection items are shown in Table 6.
6.2.3 Sampling method
During mass production, 3 products are randomly selected from qualified products every two years for type inspection. 6.2.4 Judgment rules
According to the type inspection items specified in Table 6, the performance of the floor spring door shall be inspected. When one of the items is unqualified, double sampling shall be carried out and the unqualified item shall be re-inspected. If the item is still unqualified, the batch of products shall be judged as unqualified products. After inspection, if all the test items meet the qualified indicators specified in this standard, the batch of products shall be judged as qualified products. 6.3 Arbitration inspection. When the supply and demand parties have a dispute over product quality, the national statutory inspection agency shall conduct arbitration inspection in accordance with this standard. 7 Marking, packaging, transportation and storage
7.1 Marking
7.1.1 Product logos should be marked on obvious parts of the product, including: a) manufacturer name or trademark;
b) product name;
c) product model and standard number;
d) manufacturing date or number.
7.2 Packaging
7.2.1 The "indoor and outdoor" surfaces of the product should be covered with protective film 7.2.2 The product should be packaged with non-corrosive soft materials. 7.2.3 The packaging should be firm and reliable, prevent the frame and sash from deformation during storage and transportation, and have moisture-proof measures. 7.2.4 After each batch of products is packaged, it shall be accompanied by a product list, product inspection certificate and product installation instructions. 7.3 Transportation
7.3.1 The transportation vehicle for transporting the products shall be rainproof and kept clean and free of dirt. 7.3.2 During transportation and loading and unloading, the products shall be guaranteed not to be deformed, damaged and have an intact surface. 7.4 Storage
7.4.1 The products shall be placed in a ventilated, rainproof, dry, clean and flat place. Contact with corrosive substances is strictly prohibited. 7.4.2 The ambient temperature of the product storage environment shall be lower than 50℃ and the distance from the heat source shall not be less than 1m. 7.4.3 The product shall not directly contact the ground, the bottom shall be raised by not less than 5cm, the product shall be placed upright, the standing angle shall not be less than 70°, and anti-dumping measures shall be taken.
Scope of application
Stainless steel
Aluminum alloy
Zinc alloy
Copper alloy
JG/T 3051--1998
Appendix A
(Appendix to the standard)
Standard number and name of common auxiliary materialsStandard number and name
GB/T1220—1992Stainless steel bars
GB/T 3280-1992
Stainless steel cold-rolled steel plates
GB/T 4237—1992
Stainless steel hot-rolled steel plates
GB/T4232—1993Stainless steel wire for cold heading GB/T5237.--19934
Aluminum alloy building profiles
GB/T 1175 --1975
Casting zinc alloy
GB/T 13819.--1992
GB/T 13821 ---1992
GB/T 4423---1992
Copper alloy castings
Zinc alloy die castings
Copper and copper alloy drawn bars
GB/T 13808—1992
GB/T 6723—1986
Copper and copper alloy extruded bars
General purpose cold-formed open steel dimensions, shapes, weights and tolerances GB/T3274—1988Hot-rolled thick plates and copper strips of carbon structural steel and low alloy structural steel GB/T 700—1988
Carbon structural steel
Hot-rolled thin steel plates and strips of carbon structural steel and low alloy structural steel GB/T 912--1989
GB/T 10009—1988
ABS plastic extruded sheets
HG/T 2-868—1976
Polyamide 6 resin
HG/T2349.--1992
Polyamide 1010 resin
Note: The metal materials of the reinforced steel, fasteners and hardware used for PVC plastic floor spring doors shall comply with the requirements of the relevant standards in this Appendix A. The surfaces of the reinforced steel, fasteners and hardware, except stainless steel, shall be treated with corrosion-resistant coating. The coating thickness of the hot-dip galvanized low-carbon steel reinforced profiles and fasteners shall not be less than 12μm. 237
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