JG/T 125-2000 Polyvinyl chloride (PVC) door and window hinges JG/T125-2000
Some standard content:
JG/T125
5—2000
Unit 1: Rules for drafting and expressing standards This standard is formulated in accordance with the provisions of GB/T1.3—1997 "Guidelines for the preparation of product standards for standardization work". This standard is proposed by the Standard and Quota Research Institute of the Ministry of Construction of the People's Republic of China. This standard is under the jurisdiction of the Technical Committee for Standardization of Building Products and Components of the Ministry of Construction. Part 3:
The drafting units of this standard are: China Building Metal Structure Association, Baoding Demas Building Materials Co., Ltd., Dalian Shide Plastic Industry Co., Ltd., Xinxiang Hualong Window Co., Ltd., Hebei Shengli Group Chenguang Machinery Factory, Guangdong Jinfeng Industrial (Group) Co., Ltd. Shantou Metal Die Casting Factory.
The main drafters of this standard are: Liu Xuqiong, Wang Cunji, Wang Ying, Cheng Fengjie, Lu Zhengzhong, Liu Yanqing, You Yonghao. This standard is entrusted to the Plastic Doors and Windows Committee of the China Building Metal Structure Association for interpretation. 171
1 Scope
Construction Industry Standard of the People's Republic of China Hinge of rigid polyvinyl chloride window and door JG/T 125--2000
This standard specifies the product classification and model, requirements, test methods, inspection rules, marking, packaging, transportation and storage of rigid polyvinyl chloride window and door hinges (hereinafter referred to as hinges) for polyvinyl chloride (PVC) doors and windows. This standard applies to hinges for polyvinyl chloride (PVC) doors and windows. 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 will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. Dimensions, shapes, weights and tolerances of cold drawn round steel, square steel and hexagonal steelGB/T 905—1994￥
GB/T 2828-1987
GB/T 2829—1987
GB/T 5237—1993
GB/T 9286—1998
GB/T 9438—1999
Batch inspection counting sampling procedures and sampling tables (applicable to inspection of continuous batches) Periodic inspection counting sampling procedures and sampling tables (applicable to inspection of production process stability)Aluminum alloy building profiles
Scratching test of paint and varnish film
Aluminum alloy castings
GB/T 16746—1997
QB/T 3826—1999
QB/T 3832—1999
QB/T 3833--1999
3 Classification and model
3.1 Classification
Zinc alloy castings
Test method for corrosion resistance of metal coatings and chemical treatment layers of light industrial products Neutral salt spray test (NSS) method Evaluation of corrosion test results of metal coatings on light industrial products Test method for oxide treatment layer of aluminium or aluminium alloy on light industrial products There are four types of hinges.
a) Leaf hinge (see Figure 1);
Approved by the Ministry of Construction of the People's Republic of China on September 30, 2000 172
Implementation on December 1, 2000
6) Split hinge (see Figure 2);
c) Saddle hinge (see Figure 3);
JG/T 125-2000
1—-sleeve; 2—loose-leaf; 3—shaft; 4—seat; 5—cap Figure 1 Schematic diagram of leaf hinge
1—shaft; 2—seat; 3—cap; 4 loose-leaf; 5—sleeve Figure 2 Schematic diagram of split hinge
1—loose-leaf; 2—sleeve: 3—shaft; 4—saddle seat Figure 3 Schematic diagram of saddle hinge
d) Corner hinge (see Figure 4).
3.2 Product model
3.2.1 Code
a) Name code (see Table 1);
Window hinge
Door hinge
Screen hinge
b) Characteristic code (see Table 2);
Leaf hinge
Split hinge
Saddle hinge
Left corner hinge
Right corner hinge
c) Main parameter code (see Table 3).
JG/T 125—2000
1—Upper hinge; 2—Middle hinge, 3—Lower hinge Figure 4 Schematic diagram of corner hinge
Table 1 Name code
Table 2 Characteristic code
Type code
Part code
3.2.2 Marking
a) Marking method
b) Marking example
Load capacity, kg
15≤·<20
20·30
30≤·40
JG/T 125-—2000
Table 3 Main parameter code
Plastic window saddle hinge, minimum load 60kg. Marked as: SCJ·03060
Plastic window upper left corner hinge, minimum load 80kg. Marked as: SCJ·LT080
4 Requirements
4.1 Material
Load capacity, kg
40·50
50·60
60·80
Main parameter code
Characteristic code
Name code
Load capacity, kg
80≤·100
100·130
The seat and loose-leaf should be made of Q235 carbon steel in GB/T700, ZZnA14Cu1Mg in GB/T16746, 4.1.1
ZASi12 in GB/T9438 and 6063T5 in GB/T5237. 4.1.2 The shaft should be made of Q235 carbon steel in GB/T905. 4.1.3 Nylon 1010 should be used for the shaft sleeve and cap 4.1.4 Polyester powder coating should be used for the surface spray coating. 4.2 Appearance
4.2.1 The color of the spray surface should be uniform and there should be no defects such as bubbles, sagging, shedding, paint piling, orange peel, etc. 4.2.2 The surface of the oxide layer should be uniform and there should be no defects such as yellowing, bottom exposure, and burning. 4.2.3 The surface should not have defects such as flash and burrs. 4.3 Performance
4.3.1 Corrosion resistance
The corrosion resistance level of the metal coating should reach 96h8 level. 4.3.2 Film thickness
The thickness of the surface anodized film should not be less than 15μm. 4.3.3 Coating adhesion
The adhesion of the coating should not be lower than level 1.
4.3.4 Radial clearance
The radial clearance between the hinge shaft and the sleeve of the leaf type, split type and saddle type hinge is ≤0.10mm, and the radial clearance between the hinge shaft and the sleeve of the corner hinge is ≤0.05mm.
4.3.5 The riveting of the corner hinge is firm and reliable, and the adjustment torque range of the adjustable rivet is: 3~10N·m. Requirements for the adjustment range of the corner hinge
JG/T 125—2000
a) Upper hinge: width direction ±2.0mm; vertical wall direction ±1.0mm; b) Middle hinge: vertical to the wall direction ±1.0mm; c) Lower hinge: width direction ±2.5mm; vertical to the wall direction ±1.0mm; height direction ±2.0mm. 4.3.7 Load-bearing level
After the hinge is tested according to the corresponding load-bearing level in Table 4, there is no permanent deformation and it should not crack. Table 4 Load-bearing grade
Load-bearing gradewww.bzxz.net
4.3.8 Repeated opening and closing
Maximum load-bearing
Maximum bearing moment
Load-bearing grade
Maximum load-bearing
.1 170
Maximum bearing moment
After the opening and closing test is carried out for the number of times specified in Table 5 for different grades, the sash droop is not more than 3mm, it can be opened and closed normally, and the test piece has no serious deformation or damage.
Number of repeated opening and closing, ten thousand times
Test method
5.1 Appearance
Number of repeated opening and closing tests
Self-test is carried out at a distance of 400 to 500 mm from the piece under natural light. 5.2 Corrosion resistance
Metal plating and chemical treatment layers shall be tested according to QB/T3826; the corrosion resistance of the samples shall be tested and evaluated according to QB/T3832. 5.3 Film thickness
Measure the thickness of the oxide film according to QB/T3833. 5.4 Coating adhesion
Test of surface spray coating: Make a 50mm×100mm, 2mm thick test piece with the same material and the same process conditions as the product being tested, and measure it according to GB/T9286.
5.5 Radial clearance
Use a vernier caliper with an indication of 0.02mm to test the clearance. 5.6 Rivet torque
Corner hinge adjustable rivet adjustment torque is tested as shown in Figure 5. L
Figure 5 Schematic diagram of adjustment torque test
5.7 Corner hinge adjustment range
Use a vernier caliper with an indication of 0.02mm to measure the difference between the dimensions before and after adjustment. 176
5.8 Load-bearing level
JG/T 125—2000
Install a combination leaf on a simulated door and window and open it 90°. Apply force for 15 minutes according to the maximum load-bearing torque in Table 4 of the load-bearing level for testing. 5.9 Repeated opening and closing
Install a combination leaf on a simulated door and window and open it 90° for repeated opening and closing tests. Every 1000 turns, check the sash droop, the normal opening and closing ability of the window sash, and whether the test piece is severely deformed or damaged. 6 Inspection rules
Product inspection is divided into factory inspection and type inspection. Products must be inspected and certified before they can leave the factory. 6.1 Factory inspection
6.1.1 Product factory inspection is carried out within the validity period of the type inspection. 6.1.2 Factory inspection is carried out in accordance with GB/T2828. Sampling adopts the normal inspection single sampling plan, the inspection level is II, and the qualified quality level AQL value is as specified in Table 6.
Table 6 Factory Inspection Sampling Table
6.2 Type Inspection
Inspection Items
6.2.1 Type inspection shall be conducted in any of the following cases: Clauses of this Standard
a) Test and finalization of new products or old products for transfer to factory production; Unqualified Category
b) After formal production, when there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, inspection shall be conducted once a year; d) When the product is discontinued for more than one year and then resumed; e) When there is a significant difference between the factory inspection result and the last type inspection; f) When the national quality supervision agency or the contract requires type inspection. AQL
Type inspection shall be conducted in accordance with GB/T2829, and sampling shall adopt a single sampling plan with a discrimination level of III. The unqualified quality level RQL shall be as specified in Table 7 of 6.2.2
.
Type inspection sampling table
Inspection items
Marking, packaging, transportation and storage
7.1 Marking
Clause of this standard
Unqualified categories
7.1.1 Products should have trademark or factory name markings
JG/T125-2000
7.1.2 Product packaging should be marked with product name, model or mark, trademark, grade, quantity, quality, volume, factory date, factory name. 7.2 Packaging
7.2.1 Products should have plastic sealed inner packaging to avoid mutual friction. 7.2.2 The packaging should contain the product certificate signed by the inspector. 7.3 Transportation
Products should be protected from impact, extrusion, rain and moisture during transportation. 7.4 Storage
Products should be stored in warehouses without corrosive media, with good air circulation and relative humidity less than 85%. 178
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