JG/T 129-2000 Polyvinyl chloride (PVC) door and window pulleys

JG/T 129-2000 Polyvinyl chloride (PVC) door and window pulley JG/T129-2000 Standard download decompression password: www.bzxz.net

JG/T129—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 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. The drafting units of this standard are: China Building Metal Structure Association, Baoding Demas Building Materials Co., Ltd., Dalian Shide Plastic Industry Co., Ltd., Liaohe Chemical (Group) Co., Ltd. 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, Zhang Hailun, You Yonghao. This standard is entrusted to the Plastic Doors and Windows Committee of the China Building Metal Structure Association for interpretation. 198
1 Scope
Construction Industry Standard of the People's Republic of China Polyvinyl chloride (PVC) Door and Window Pulley
Roller of rigid polyvinyl chloride window and doorJG/T 129--2000
This standard specifies the definition, model, requirements, test methods, inspection rules, marking, packaging, transportation and storage of polyvinyl chloride (PVC) door and window pulleys (hereinafter referred to as pulleys).
This standard applies to various pulleys on polyvinyl chloride (PVC) sliding 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 will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T 1031—1995
GB/T 1184—1996
GB/T 1220—1992
GB/T 2828—1987
GB/T 2829—1987
GB/T 3280-1984
GB/T 4232—1993
GB/T 4423—1992
GB/T 11253—1989
Surface roughness parameters and their values
Tolerances of shape and position without tolerance value
Stainless steel bars
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)Stainless steel cold-rolled steel plates
Stainless steel wire for cold forging
Copper and copper alloy drawn bars
Cold-rolled thin steel plates and strips of carbon structural steel and low alloy structural steel GB/T 16746--1999
QB/T 3826—1999
QB/T 3832--1999
YB(T)1—1993
Zinc alloy castings
Corrosion resistance test of metal coating and chemical treatment layer of light industrial products Evaluation of corrosion test results of metal coating of light industrial products High carbon chromium bearing steel
HG/T2503—1993 Polycarbonate resin
3 Definitions
This standard adopts the following definitions.
Roller
Neutral salt spray test (NSS) method
A device that supports the weight of door or window sash and transfers gravity to the frame material, and moves the door or window sash along the frame material track through its own rolling.
The basic structure is shown in Figure 1.
Approved by the Ministry of Construction of the People's Republic of China on September 30, 2000 and implemented on December 1, 2000
4 Model
4.1.1 Name code
Plastic door and window pulley
4.1.2 Characteristic code
The first character represents the bearing type
H Sliding bearing
Q Ball bearing
G Needle roller bearing
The second digit represents the wheel surface shape
P Flat surface
Ａ Concave surface
4.1.3 Main parameter code
a) Load capacity code
Load capacity code
Load capacity
JG/T 129—-2000
1—wheel frame; 2—wheel body, 3-wheel axle
Schematic diagram of pulley structure
Table 1 Load-bearing capacity code table
200≤·400400≤·600
Note: Load-bearing capacity is calculated based on 2 pulleys.
b) Pulley width and height code
600≤.800800.10001000≤.1300Expressed by the actual width and height (mm) of the pulley. 4.2 Marking
4.2.1 Marking method
-Width
Load capacity code
Characteristic code
Name code
4.2.2 Marking example
Load capacity is 600N, width is 14mm, height is 16mm. Flat surface needle roller pulley. Marking: SHL·GP06-14X16
1300≤
Main parameter code
5 Requirements
5.1 Materials
JG/T129--2000
5.1.1 Pulley bearings, ball bearings, and axles shall be made of materials with mechanical properties not lower than GB/T12201Cr18Ni9Ti. 5.1.2 Needle roller bearing axles shall be made of materials with mechanical properties not lower than YB(T)1 GCr15. 5.1.3 The wheel body shall be made of materials with mechanical properties not lower than GB/T4423HPb59-1 or GB/T42320Cr18Ni9, 0Cr17Ni12Mo2, 1Cr18Ni9Ti or HG/T2503.
5.1.4 The wheel frame shall be made of materials with mechanical properties not lower than ZZnA14-1 specified in GB/T16746, Q235 specified in GB/T11235 or 0Cr18Ni9, 0Cr17Ni12Mo2, 1Cr18Ni9Ti specified in GB/T3280. 5.2 Appearance
5.2.1 Wheel frame
The stamped wheel frame shall not be deformed or skewed, the coating shall be uniform, and there shall be no defects such as exposed bottom, yellowing, burning, etc.; the die-cast wheel frame shall not have defects such as burrs, casting flash, unevenness, cracks, sand holes, etc. 5.2.2 Wheel body
The outer surface of the wheel body is smooth, and there should be no mold marks, bubbles, cracks, shrinkage holes, uneven defects. 5.2.3 Wheel axle
The wheel axle and the wheel frame are assembled flush at both ends.
5.3 Performance
5.3.1 The corrosion resistance reaches 72h8 level.
5.3.2 The load is carried according to the maximum load capacity F allowed by the corresponding level in Table 1, and the operation is stable, and there should be no abnormality or blockage. 5.3.3 Matching of wheel axle and bearing
a) Sliding bearing: The clearance between the wheel axle and the sleeve is at.mm; b) Ball bearing type: The interference between the pulley axle and the inner sleeve of the bearing is a8:05mm; c) Needle bearing type: The clearance between the pulley axle and the bearing is at0.mm. 5.3.4 The radial runout of the outer surface of the wheel body after assembly is not more than 0.3mm. The axial movement of the wheel body shall not exceed 0.4mm. 5.3.5 When the pulley shaft is pressed with an external force of 20N, there shall be no displacement between the shaft and the wheel frame. The depth of the indentation on the wheel body surface shall not exceed 0.15mm. 5. 3.6
The outer surface roughness Ra of the wheel shaft and the metal wheel body shall not exceed 1.6 μm. The verticality between the center line of the wheel shaft mounting hole on the wheel frame and the outer side surface of the wheel frame shall meet GB/T1184H grade. Under the specified maximum load conditions, after the pulley reaches the number of repeated opening and closing times specified in Table 2, it can still meet the requirements of Table 3. Table 2 Pulley repeated opening and closing test times table
Repeated opening and closing test, ten thousand times
Table 3 Performance index table
Sliding bearing type wheel body upward displacement (bearing wear) Ball bearing type wheel body upward displacement (bearing wear) Needle bearing type wheel body upward displacement (bearing and shaft wear) Wheel body outer circle wear
Wheel body roundness
6 Test method
6.1 Appearance inspection
JG/T129--2000
Carry out visual inspection at a distance of 400 to 500 mm from the sample under natural light. 6.2 Performance inspection
6.2.1 Corrosion resistance is tested according to the method in QB/T3826 and evaluated according to QB/T3832. 6.2.2 The operation test under pressure is shown in Figure 2. F≤30N
F'-maximum allowable load capacity
Figure 2 Schematic diagram of pressure operation test
6.2.3. Matching of axle and bearing
The axle outer diameter and bearing hole diameter are tested with a micrometer with an accuracy of 0.01mm and a plug gauge with an accuracy of 0.01mm respectively. 6.2.4 Test the radial runout of the wheel body as shown in Figure 3, and measure it with a dial indicator with an accuracy of 0.01mm. Measure the roundness with a dial indicator with an accuracy of 0.01mm. Test the verticality of the center line of the axle mounting hole on the wheel frame and the outer side surface of the wheel frame according to Figure 4, and measure it with a dial indicator with an accuracy of 0.01 mm. Measure the axial runout of the wheel body with a feeler gauge, and measure the outer wear with a micrometer with an accuracy of 0.01mm. ?
Figure 3 Schematic diagram of radial runout test of wheel body
Figure 4 Schematic diagram of verticality test of wheel axle and wheel frame 202
JG/T129—-2000
6.2.5 Test the fit of wheel axle and wheel frame with a pressure gauge with an accuracy of 1N as shown in Figure 5. 20NbZxz.net
Figure 5 Test diagram of fit between wheel body and wheel frame
6.2.6 Test the indentation depth as shown in Figure 6 and measure with a depth dry ruler with an accuracy of 0.01mm. 1000N
Measurement point of indentation depth
Figure 6 Schematic diagram of indentation depth test of wheel body
6.2.7 Surface roughness is tested according to GB/T1031. 1000N pressure is maintained for 10s
6.2.8 Repeated opening and closing test is performed on special test equipment as shown in Figure 7. One reciprocating stroke is counted once. The test frequency is 15 times/min. Door (window) leaf
(000100
Stroke 850 (700)
740 (600)
850 (700)
Figure 7 Schematic diagram of repeated opening and closing test
6.2.9 Test of pulley body upward displacement
JG/T129—2000
Fix the pulley that has been repeatedly moved on the test device as shown in Figure 8 On the wheel, lift the wheel body, use a dial indicator with an accuracy of 0.01mm to measure the maximum upward displacement of the upper edge of the wheel body, test at 8 points evenly spaced, and take the maximum difference. Dial indicator
Figure 8 Schematic diagram of wheel body upward displacement test
7 Inspection rules
Product inspection is divided into factory inspection and type inspection. Products can only leave the factory after passing the inspection and attaching a certificate of conformity. 7.1 Factory inspection
7.1.1 Product delivery The inspection shall be carried out within the validity period of the qualified type inspection. 7.1.2 The factory inspection shall be carried out in accordance with GB/T2828. The sampling shall adopt the normal inspection one-time sampling plan, the inspection level shall be I, and the qualified quality level AQL value shall be as specified in Table 4.
Table 4 Inspection Sampling Table
7.2 Type Inspection
Inspection Items
Standard Clauses
7.2.1 Type inspection shall be carried out in any of the following cases: 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 carried out 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; f) When the national quality supervision agency or the contract stipulates that type inspection is required. AQL
7.2.2 Type inspection shall be in accordance with GB/T2829, sampling shall adopt sub-sampling plan, discrimination level shall be II, and unqualified quality level RQL shall be in accordance with Table 5.
Inspection items
8 Marking, packaging, transportation and purchase and storage
8.1 Marking
JG/T129—2000
Table 5 Type inspection sampling table
Standard clauses
8.1.1 Products shall have trademark or factory name marks. Unqualified categories
8.1.2 Product packaging shall be marked with product name, model or mark, trademark, grade, quantity, quality, volume, factory date, factory name8.2 Packaging
8.2.1 Products shall have plastic sealed inner packaging to avoid mutual friction. 8.2.2 The packaging shall contain the 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 relative humidity less than 85%.
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