JG/T 126-2000 Polyvinyl chloride (PVC) door and window transmission lock JG/T126-2000
Some standard content:
JG/T 126--2000
This standard is formulated in accordance with the provisions of GB/T1.3-1997 "Guidelines for Standardization Work Unit 1: Rules for Drafting and Presentation of Standards Part 3
Regulations for the Preparation of Product Standards". This standard is proposed by the Standardization 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. The drafting units of this standard are: China Building Metal Structure Association, Baoding Demas Building Materials Co., Ltd., Dalian Shide Plastic Industry Co., Ltd., Hebei Shengli Group Chenguang Machinery Factory, Xinxiang Hualong Window Co., Ltd., Guangdong Jinfeng Industrial (Group) Co., Ltd. Shantou Metal Die Casting Co., Ltd.
The main drafters of this standard are: Liu Xuqiong, Wang Cunji, Wang Ying, Cheng Fengjie, Liu Yanqing, Lu Zhengzhong, You Yonghao. This standard is entrusted to the Plastic Doors and Windows Committee of the China Building Metal Structure Association for interpretation. 179
1 Scope
Construction Industry Standard of the People's Republic of China Driving gear of rigid polyvinyl chloride window and door JG/T 126—2000
This standard specifies the definition, product classification and model, requirements, test methods, inspection rules and marking, packaging, transportation and storage of driving gear of rigid polyvinyl chloride window and door (hereinafter referred to as driving gear) for polyvinyl chloride (PVC) doors and windows. This standard applies to driving gear of rigid polyvinyl chloride (PVC) doors and windows. 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 this standard should explore the possibility of using the latest versions of the following standards. Dimensions, shapes, weights and permissible deviations of hot-rolled round and square steel GB/T 702--1986
Dimensions, shapes, weights and permissible deviations of cold-drawn round, square and hexagonal steel GB/T 905—1994
GB/T 2828--1987
GB/T 2829—1987
GB/T 11253--1989
GB/T 16746—1997
QB/T 3826—1999
QB/T3832—1999
3 Definitions
Counting sampling procedures and sampling tables for batch inspection (applicable to inspection of continuous batches)Counting sampling procedures and sampling tables for periodic inspection (applicable to inspection of production process stability)Cold-rolled thin steel sheets and strips of carbon structural steel and low-alloy structural steelZinc alloy castings
Neutral salt spray test (NSS) method
Corrosion resistance test method for metal coatings and chemical treatment layers of light industrial productsEvaluation of corrosion test results of metal coatings of light industrial productsThis standard adopts the following definitions.
3.1 Driving gear
A device that realizes the multi-point locking function of doors and windows by turning the handle. The names of the components of the driving gear are shown in Figure 1.3.2 Center distance
The distance between the center of the rotatable square hole and the installation surface of the driving rod (see Figure 1). Approved by the Ministry of Construction of the People's Republic of China on September 30, 2000 180
Implementation on December 1, 2000
4 Classification and model
JG/T126-2000
-Center distance
1-Lock column; 2-Gear; 3-Bracket; 4-Moving rod, 5-Fixed rod, 6-Locking block Figure 1 Schematic diagram of transmission lock
4.1 Classification
Transmission locks are divided into push-pull transmission locks and casement transmission locks, see Table 1 and Table 2. 4.2 Model
4.2.1 Code
a) Name Code
Plastic door and window transmission lock SCB.
b) Characteristic code (see Table 1 and Table 2)
Classification table of push-pull transmission locks
Sliding window
Table 2 Classification table of casement transmission locks
c) Main parameter code
Inward-opening window
Outward-opening window
Length (actual length × 10-1) × center distance (actual length, mm) Inward-opening door
Sliding door
Outward-opening door
4.2.2 Marking
a) Marking method
b) Marking example
JG/T126-2000
Center distance
Characteristic code
Name code
Transmission lock for outward-opening casement window with a length of 500 mm and a center distance of 17 mm. Marked as: SCB·WC050X17
5 Requirements
5.1 Materials
Main parameter codebzxz.net
The movable rod and fixed rod shall be made of materials with mechanical properties not lower than .Q235 steel strip in GB/T11253 carbon structural steel. The lock block and bracket shall be made of materials with mechanical properties not lower than GB/T16746ZZnA14CulMg cast zinc alloy. The lock column shall be made of materials with mechanical properties not lower than Q235 in GB/T905. The gear shall be made of materials with mechanical properties not lower than 08F in GB/T702. 5.2 Appearance
5.2.1 The surface of the transmission is smooth and bright, without flash and burrs; the surface of the coating is evenly hooked, and there shall be no defects such as exposed bottom, yellowing, and burning. 5.2.2 The surface is straight and no distortion is allowed. In the free state, the sickle bend of the fixed rod and movable rod shall not exceed 0.5mm/m. 5.3 Dimensional deviation
5.3.1 The width dimensional deviation of the fixed rod and the moving rod is B_8.1mm. 5.3.2 The square hole of the transmission lock gear is 7*:imm×7+8:2mm. 5.4 Performance
5.4.1 The rivet connection is firm and reliable, and the moving rod moves flexibly after riveting without sticking. The lock column is riveted appropriately. 5.4.2 A single lock column should withstand a static tensile force of 200N along the axis of the lock column (see Figure 2) and should not be damaged, deformed, or loosened. When subjected to a static tensile force of 800N perpendicular to the axis of the lock block and lock column (see Figure 3), it should not be deformed, damaged, or loosened. 200N
JG/T126—-2000
5.4.3 When the lock column is eccentrically adjustable, the adjustment torque should not be greater than 0.5N·m during initial adjustment, and the adjustment torque should not be less than 0.3Nm during re-adjustment. The eccentric adjustment amount is ±1.0mm. 5.4.4 The gear and rack are tightly matched. When the handle is turned, the clearance should not be greater than ±3 (excluding the clearance between the handle and the gear). When no load is applied, the rotation torque should not be greater than 0.2N·m, as shown in Figure 4. F
5.4.5 Firmness
When the driving rod of the transmission lock is in the locked position, a torque of 26N·m is applied to the locking direction at the handle. There is no damage to the components and no obvious deformation.
5.4.6 Corrosion resistance
The corrosion resistance grade should reach 96h8.
5.4.7 Repeated opening and closing
After different levels of opening and closing tests, the components are not twisted or loose, and should not affect the use. Product grades are shown in Table 3. Table 3 Repeated opening and closing test times
Repeated opening and closing times/10,000 times
6 Test method
6.1 Appearance
In natural light, visually inspect at a distance of 400~~500mm from the sample. 6.2 Dimensional deviation
6.2.1 Use a caliper with an accuracy of 0.02mm to check the width of the test piece. 6.2.2 Place the test piece on a platform with Class III accuracy and use a feeler gauge to detect the sickle bend. 6.3 Performance
6.3.1 The static tensile test of the lock column and lock block is carried out on a material testing machine with a range of 10kN and an accuracy of 0.01kN. 6.3.2
Eccentric adjustable lock cylinder eccentric adjustment test is carried out with a torque wrench with a range of 5N·m and an accuracy of 0.03N·m. 6.3.3 Torque test: It is carried out with a dynamometer with a range of 50N and an accuracy of 0.1N at a distance of 70mm from the rotation center. 6.3.4 The gear and rack are tightly matched, and the clearance of the rotating handle should not be greater than ±3° (excluding the clearance between the handle and the gear, as shown in Figure 4), and the no-load torque is not greater than 0.2N·m, as shown in Figure 5. 183
JG/T 126--2000
6.3.5 Firmness test: It is measured with a dynamometer with a range of 10kN and an accuracy of 0.01kN at a distance of 70mm from the rotation center of the handle.
6.3.6 The corrosion resistance test shall be carried out in accordance with the provisions of Chapter 4 of QB/T3826--1999 and evaluated in accordance with QB/T3832. 6.3.7 Repeated opening and closing test: Fix the test piece on the simulated window sash rod, hang a 2kg weight on the lock column at the end, and turn the handle to test.
7 Inspection rules
Product inspection is divided into factory inspection and type inspection. Products must pass the inspection and be accompanied by a product certificate before they can leave the factory. 7.1 Factory inspection
7.1.1 Product factory inspection should be carried out within the validity period of the type inspection. 7.1.2 Factory inspection is carried out in accordance with GB/T2828. Sampling adopts a normal inspection one-time sampling plan, the inspection level is II, and the qualified quality level AQL value is as specified in Table 4.
Table 4 Factory Inspection Sampling Table
7.2 Type Inspection
Inspection Items
7.2.1 Type inspection shall be conducted in any of the following cases: This standard
a) Test and finalization of new products or old products for transfer to factory production; Unqualified categories
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 the factory inspection results are significantly different from the last type inspection; 184
JG/T 126—2000
f) When the national quality supervision agency or the contract requires type inspection. 7.2.2 Type inspection shall be conducted in accordance with GB/T2829, and the sampling shall adopt the discrimination level of ear and one-time sampling plan. The unqualified quality level RQL value shall comply with the provisions of Table 5.
Table 5 Type inspection sampling table
Inspection items
Dimensions and shapes
8 Marking, packaging, transportation and storage
8.1 Marking
Clause of this standard
8.1.1 The product should have a trademark or factory name mark. Unqualified category
Number of groups to be judged
8.1.2 The product packaging should be marked with the product name, model or mark, trademark, grade, quantity, quality, volume, factory date, and factory name. 8.2 Packaging
8.2.1 The product should have a plastic sealed inner packaging to avoid mutual friction. 8.2.2 The packaging should contain a product certificate signed by the inspector. 8.3 Transportation
The product should be protected from impact, extrusion, rain and moisture during transportation. 8.4 Storage
The product should be stored in a warehouse without corrosive media, with good air circulation and a relative humidity of less than 85%. R
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