JB/T 6489-1999 This standard is a revision of JB/T 6489-92 "Kneading Machine", with additions and deletions to the main technical contents. This standard specifies the basic parameters, technical requirements, test methods and inspection rules, marking, packaging, transportation and storage of plastic kneading machines. This standard is applicable to horizontal kneading machines with parallel configuration of double paddles for kneading and stirring plastic raw materials and other materials. This standard was first issued in 1992. JB/T 6489-1999 Plastic Kneading Machine JB/T6489-1999 Standard Download Decompression Password: www.bzxz.net

ICS83.200
Machinery Industry Standard of the People's Republic of China
JB/T6489-1999
Plastic kneader
Published on July 12, 1999
National Bureau of Machinery Industry
Implemented on January 1, 2000
JB.T6489-1999
This standard is a revision of JB/T6489-92 "Kneader". Compared with JB6489-92, the main technical content of this standard has been changed as follows: remove the terminology part in the original standard;
-Remove the technical requirements for the main parts in the original standard; add electrical safety requirements.
This standard replaces JB/T6489-92 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Rubber and Plastic Machinery Standardization and the Plastic Machinery Standardization Sub-Technical Committee. The responsible drafting unit of this standard is Nantong Rugao Plastic Machinery Factory. The participating drafting units of this standard are Rugao No. 1 Plastic Machinery Technology Development Co., Ltd. and Dalian Plastic Machinery Research Institute. The main drafters of this standard are Yuan Tong, Li Xiangyu, Zhou Gaochao and Shen Yonghui. 1
Machinery Industry Standard of the People's Republic of China
Plastics kneader
Plastics kneader
JB/T6489-1999
JB/T648991
This standard specifies the basic parameters, technical requirements, test methods and inspection rules, marking, packaging, transportation and storage of plastic kneaders.
This standard is applicable to the horizontal kneading machine with parallel configuration of double paddles for kneading and stirring plastic raw materials and other materials (hereinafter referred to as kneading machine). 2
Cited 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. GB150—1998
GB 191—1990www.bzxz.net
GB/T 63881986
GB/T13306-1991
GBT13384—1992
Basic parameters
Steel pressure vessels
Packaging storage and transportation pictorial signs
Transport packaging receipt and delivery signs
Electrical and mechanical product packaging
General technical conditions
The basic parameters of the kneading machine shall comply with the provisions of Table 1. Table 1 Basic parameters
Total volume
L (±4%)
Working volume
Kneading paddle speed
r/min ( ±5%)
250-42
Approved by the State Bureau of Machinery Industry on July 12, 1999140-23
For kneading pulp
Motor power
11.0-22.0
11.9-30.0
Electric heating power
Steam heating pressure
Implemented on January 1, 2000
Total volume
L (±4%)
Technical requirements
T.Working volume
JB/T64891999
Table 1 (end)
Kneading paddle speed
r/min (±5%)
Kneading paddle matching
Motor power
15.0~37.0
18.5~45.0
22.0~45.0
30.0~55.0
37.0~75.0
45.0~90.0
Electric heating power
Kneading machine shall meet the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. Technical requirements for the whole machine
4.1.1 The product shall be equipped with manual, semi-automatic and automatic operation modes. Steam heating pressure
4.1.2 The kneading machine heated by steam shall be subjected to a water pressure test in the jacket in accordance with GB150; the temperature of the heat transfer oil in the jacket of the kneading machine heated by electricity shall be less than the specified value.
The leakage of the kneading slurry sealing device shall comply with the provisions of Table 2. 4.1.33
Table 2 Leakage
Total volume
Leakage
100，200，300，500
800，1000，1200，1500
The structural shape and size of the kneading chamber shall comply with Figure 1 and the following provisions: 4.1.4
H= (0.75~0.95) L
L= (0.95 -1.15) L,
Figure 1 Structural shape and size of the kneading chamber
The kneading paddle is a Z-type paddle.
The rotation direction of the kneading paddle should have an obvious rotation direction mark. 4.1.6
The noise value when the whole machine is working shall comply with the provisions of Table 3. 2000.2500.3000.4000
Noise value
JB/T64891999
Table 3 Noise
100,200.300.500
The product should have reliable safety protection devices. 800.1000.1200.1500
2000.2500.3000.4000
The product appearance is neat, the paint surface color is uniform, the paint layer is firm, and there are no defects such as blistering, flow marks, and peeling. The reliability index of the kneading machine is:
The cumulative T working time before the first failure shall not be less than 200h: The specified life before overhaul shall not be less than 20000h. 4.2 General assembly technical requirements
The gap value between the kneading slurry rotating surface and the inner wall of the kneading chamber shall comply with the provisions of Table 4. 4.2.1
Table 4 The gap volume between the kneading pulp rotating surface and the inner wall of the kneading chamber
Original value
5.20, 35
100, 200.300, 500
4.2.2 The unloading mechanism is flexible to open and close, and the unloading door is well sealed. 4.3 Electrical safety requirements
800, 1000.
1200.1500
2000.2500, 3000, 4000
4.3.1 The metal shell of the host and electrical control device should have a grounding device, and the grounding terminal should be located at the wiring position and marked with the protective grounding symbol or the letter PE.
4.3.2 The metal shell of the host and electrical control device must be ensured to have a reliable electrical connection with the grounding screw. The measured value of the connection resistance between it and the grounding screw shall not exceed 0.12. 4.3.3 In the electrical device, the insulation resistance of the ungrounded electrical parts shall not be less than 1MQ. 5 Test methods and inspection rules
5.1 Test methods
5.1.1 Sampling
When the kneading machine is inspected at the factory, a full inspection shall be carried out. During the type test, a sampling inspection shall be carried out. One machine shall be sampled each time. If one of the inspection items fails, another machine shall be sampled. If there are still items that fail, the type test shall be judged as unqualified. 5.1.2 Total volume detection
The volume of water contained shall be calculated or measured for detection. 5.1.3 Inspection of the jacket of the kneading machine heated by steam. The water pressure test shall be carried out in the jacket according to the provisions of GB150. 5.1.4 Leakage detection of sealing device
Add water equal to the working volume into the kneading chamber, and measure the leakage with a measuring cup when the machine is running for not less than 10 minutes. 5.1.5 Noise detection
Use a sound level meter to detect at an operating position 1m away from the machine and 1.5m high. 5.1.6 Motor power detection
Use a three-phase electric power meter to detect.
5.1.7 Reliability detection
JB/T 6489-1999
Use a method approved by the prescribed procedures and detect on the basis of analyzing the use parameters. 5.2 Inspection rules
Each product must be inspected and qualified by the quality inspection department of the manufacturer and accompanied by a product quality certificate before it can leave the factory. 5.2.1 Factory Inspection
Each product shall be tested for no less than 30 minutes of continuous idling before leaving the factory, and shall be inspected according to 4.1.1, 4.1.2, 4.1.6, 4.1.9, 4.2.1, and 4.2.2.
5.2.2 Type Test
Type test shall be carried out for no less than 2 hours of load running test, and shall be inspected according to Table 1, 4.1.1, 4.1.2, 4.1.3, 4.1.6, 4.1.7, 4.1.9 Inspection.
Type test shall be conducted in one of the following situations: a) Trial determination and appraisal of new products or old products for transfer to factory production; b) After formal production, if there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, at least one unit shall be sampled for testing each year; d) When the product is resumed after two years of suspension; e) When there is a significant difference between the factory inspection result and the last type inspection result; f) When the national quality supervision agency proposes a type inspection requirement. 6 Marking, packaging, transportation and storage
6.1 Marking
Each product shall be fixed with a product label in an appropriate and obvious position. The size and technical requirements of the label shall comply with the provisions of GB/T13306 and shall have the following contents:
a) Product name;
b) Product model;
c) Main parameters of the product;
d) Manufacturing date (number);
e) Manufacturer's name.
6.2 Packaging
Product packaging should comply with the requirements of GB/T13384. The following technical documents should be placed in the product packaging box (in a waterproof bag): a) Packing list;
b) Product certificate;
c) Product instruction manual;
6.3 Transportation
Product transportation should comply with the provisions of GB191 and GB/T6388. 6.4 Storage
Products should be stored in a dry and ventilated place to avoid moisture. Rain protection measures should be taken when storing in the open air. People's Republic of China
Mechanical Industry Standard
Plastic Kneading Machine
JB/T6489-1999
Published by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing
Format 880×1230
First edition in August 1999
Printing 1-500
Postal Code 100044)
Sheet 1/2
Word count 10,000
First printing in August 1999
Price 5.00 yuan
99-034
666168
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