Some standard content:
QB/T 1695—2000
This standard is a revision of QB/T1695--1993 "Vacuum Paste Making Machine". The main differences in technical content between this standard and the previous version are as follows: - The electrical and safety requirements are changed from "complying with the provisions of GB/T5226" to adopting several specific provisions of GB/T5226.1-1996, see 4.3
Inspection classification and judgment rules are added to the inspection rules, see Chapter 6; the relevant provisions belonging to quality management and contract requirements are cancelled. From the date of implementation of this standard, the industry standard QB/T1695-1993 "Vacuum Paste Making Machine" issued by the former Ministry of Light Industry is abolished. This standard is proposed by the Industry Management Department of the State Bureau of Light Industry. This standard is under the jurisdiction of the National Technical Committee for Standardization of Light Industry Machinery. The drafting unit of this standard: Shanghai Light Industry Machinery Factory No. 2. The main drafters of this standard: Zhou Guoliang and Wu Mingjiang. 291
1 Scope
Light Industry Standard of the People's Republic of China
Vacuum Paste Making Machine
QB/T 1695—2000
Replaces QB/T1695—1993
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation, storage and other requirements of vacuum paste making machines.
This standard applies to vacuum paste making machines with effective volumes of 15, 50, 100, 250, 700, 1300, 24001 (hereinafter referred to as "paste making machines"). 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 versions of the following standards. GB150—1998 Steel pressure vessels
GB/T191—1990 Pictorial markings for packaging, storage and transportation GB/T3323—1987 Radiography and quality classification of steel fusion welded butt joints GB/T5226.1—1996 Industrial machinery and electrical equipment Part 1: General technical conditions General provisions for instructions for use of industrial products
GB/T 9969. 1--1998
GB/T 13306—1991
GB/T 14253---1993
GB/T14436—1993
GB/T 16769—1997
GB 16798--1997
General technical conditions for light industrial machinery
General provisions for industrial product assurance documents
Method for measuring the sound pressure level of noise from metal cutting machine tools Safety and sanitation of food machinery
QB/T 1588.1—1992
General technical conditions for welded parts
Light industrial machinery
QB/T 1588.2—1992
QB/T 1588.3—1992
QB/T 1588. 4—1993
Light industrial machinery
Light industrial machinery
Light industrial machinery
Light industrial machinery
QB/T 1588. 5--1996
3 Product classification
3.1 Type
General technical conditions for cutting parts
General technical conditions for assembly
General technical conditions for painting
General technical conditions for packaging
This machine is a three-axis, vertical, closed vacuum paste making machine that integrates scraper, dissolving and homogenizing agitator. 3.2 Model
3.2.1 Model indication method
The product model consists of three parts: product code, product specification and improvement mark, and the arrangement order is as follows: Approved by the State Bureau of Light Industry on June 13, 2000
Implementation on October 1, 2000
3.2.2 Example
QB/T1695—2000
Improvement mark (expressed by uppercase Chinese pinyin letters A, B, C) Product specification (expressed by Arabic numerals 15, 50, 100, etc.) Product code (expressed by uppercase Chinese pinyin letters YGP for toothpaste making machine) a) The model of the vacuum paste making machine with an effective volume of 700L and the first improvement is expressed as: YGP700A, b) The model of the vacuum paste making machine with an effective volume of 100L is expressed as: YGP100. 3.3 Basic parameters
See Table 1 for basic parameters.
Basic parameters
Effective volume
Total capacity
Vacuum degree
Jacket allowable
Working pressure
Pot (cover)
Lifting stroke
Agitator
Agitator
Agitator
Technical requirements
10～70
The manufacture of paste making machine shall comply with the provisions of GB/T14253. 4.1 Basic requirements
10~~40
20～80
4.1.1 Hydraulic, lubrication, water and gas systems shall be sealed reliably without obvious leakage. 4.1.2 Welded parts shall comply with the provisions of QB/T1588.1. 4.1.3 Machined parts shall comply with the provisions of QB/T1588.2. 1110
4.1.4 The qualified rate of key parts is 100%, and the qualified rate of main parts is not less than 85%. YGP
4.1.5 All parts in contact with the working medium must be made of non-toxic and corrosion-resistant materials and should comply with the provisions of GB.16798. 4.1.6 The moving parts should be flexible and well lubricated. The lid (body) should not crawl when it is raised or lowered, and there should be no sliding when it is closed at any position.
QB/T 1695—2000
4.1.7 Under the test working conditions, the vacuum pump should be turned off when the vacuum degree is not less than -0.0973MPa. After 30 minutes, the three sets of stirring devices are turned on at the same time. After 30 minutes of operation, the vacuum degree is not less than -0.0973MPa. 4.1.8 Under normal working conditions, the temperature rise of the rolling bearing is not higher than 40℃. 4.1.9 The operation of the paste machine should be stable, without abnormal impact and screaming, and the sound pressure level of the whole machine should not exceed 85dB (A). 4.2 Requirements for parts processing and assembly
4.2.1 The assembly should comply with the provisions of QB/T1588.3. 4.2.2 Pressure-bearing components such as the pot body and pot cover must comply with the relevant provisions of GB150, and their welds must be inspected and qualified by radiographic flaw detection, and the film quality must not be lower than Grade III.
4.2.3 The surface roughness R of the inner wall of the pot body should not exceed 1.6μm. 4.2.4 The radial runout of the scraper stirring shaft should not exceed 0.2mm, and the axial runout should not exceed 0.1mm. 4.2.5
The radial runout of the dissolving stirring shaft should not exceed 0.2mm, and the axial runout should not exceed 0.08mm. 4.2.6 The radial runout of the homogenizing stirring shaft should not exceed 0.2mm, and the axial runout should not exceed 0.04mm. When hydraulic oil is filled into the oil tank, it should be considered that the cleanliness of 1,000 g of oil extracted from the hydraulic oil tank should not exceed 500 mg. 4.2.7
4.3 Electrical and safety requirements
4.3.1 The protective grounding circuit should be checked, and the connection firmness of the protective wire should be checked. 4.3.2 The insulation resistance between the power circuit wire and the protective circuit should be not less than 1MO. 4.3.3 All circuit wires and the protective grounding circuit should be subjected to a withstand voltage test. 4.3.4 All measuring, display, control and other instruments should work and be easy to operate and observe. 4.4 Appearance quality requirements
4.4.1 The surface roughness R of the exposed polished part should not exceed 3.2μm. 4.4.2 The paint should comply with the relevant provisions of QB/T1588.4. 4.4.3 The installation position of product labels, instructions and operation labels should be obvious, flat, firm and clear. 4.4.4 After the components are assembled, the contour lines are clear, the appearance is flat, and the misalignment does not exceed 3mm. 5 Test method
5.14.2.2 Weld flaw detection shall be carried out in accordance with GB/T3323, and the weld length shall be checked to be not less than 20% of the total weld length. 5.24.1.5 Inspect according to the material warranty, and use surface roughness standard blocks and paint color plates for comparison inspection in 4.2.3, 4.4.1, and 4.4.2. 5.34.3.1, 4.3.2, and 4.3.3 Electrical and safety tests shall be inspected in accordance with 20.2, 20.3, and 20.4 of GB/T5226.1--1996. 5.44.2.7 Take 1000g of oil from the hydraulic oil tank at random, filter and dry it with analytical filter paper, and weigh it on a balance. 5.54.1.1, 4.1.6, 4.3.4, 4.4.34.4.4 Test according to relevant regulations and visual inspection, touch and other methods. 5.64.2.4~4.2.6 The radial runout and axial movement of the agitator shaft shall be tested according to Table 2. 5.7 Operation performance test
5.7.1 Test conditions
a) The test medium is tap water;
b) The scraper speed is the middle speed (speed-adjustable scraper); c) The water temperature of the vacuum pump is 15℃,
d) The ambient temperature is 20℃,
e) The test time is not less than 1 h.
5.7.2 Test items
a) The vacuum degree shall comply with the provisions of Table 1;
b) The temperature rise shall comply with the provisions of 4.1.8,
c) The noise shall comply with the provisions of 4.1.9.
Agitator shaft radial runout/mm
Agitator shaft axial traction/mm
5.7.3 Test method
Detection tool
0.01 mm indicator
QB/T 1695—2000
0.02mm flat probe indicator,
steel ball 10mm
Schematic diagram
Test method
Fix the indicator teeth on the machine base,
make the probe vertically touch the outer surface 5mm away from the end of the stirringbzxz.net
shaft,
rotate the stirring
shaft by hand for one circle,
the maximum difference measured is the measured
Fix the indicator on the machine base a) Fill the pot with 50% of the working volume of tap water and conduct a vacuum test according to 4.1.7. The vacuum degree shall meet the requirements. The vacuum degree shall be measured by the vacuum gauge provided with the machine or by a U-shaped mercury pressure gauge. When the U-shaped mercury pressure gauge is used for testing, the conversion shall be made according to formula (1): p = 1.3332 × 10-pl —(po - 0.1013) Where: -
vacuum degree value, MPa;
- the difference between the two mercury columns in the U-shaped mercury pressure gauge, mmHg; - ambient air pressure value, MPa.
b) The temperature is measured with a 1.5. grade mercury thermometer; c) The noise sound pressure level is measured according to GB/T16769. 6 Inspection rules
Inspection is divided into factory inspection and type inspection. 6.1 Factory inspection
6.1.1 Each product must be inspected and qualified by the inspection department before it can be shipped, and a product certificate must be attached. 6.1.2 Factory inspection items 5.1, 5.2, 5.3, and 5.5 are subject to full inspection. 6.2 Type inspection
6.2.1 Type inspection should be carried out in any of the following situations. a) Finalization and identification after product trial production is completed;
b) After formal production, if there are major changes in structure, materials, and processes that may affect product performance; c) During normal production, it is carried out every two years; d) When the national quality supervision agency proposes a requirement for type inspection. (1)
6.2.2 Samples for type inspection shall be randomly selected from products that have passed the factory inspection. The number of samples shall be as specified in Table 3. The inspection items shall include all the contents of this standard.
Batch production
Sampling quantity
6.3 Judgment rules
QB/T 1695—2000
Table 3 Sampling table
6.3.1 If any item of the factory inspection item fails, the product shall be judged as unqualified. >20
6.3.2 If any item of type inspection fails, the sampling shall be doubled as specified in Table 3. If the retest still fails, the batch of products shall be unqualified. 7 Marking, packaging, transportation, storage
7.1 Marking
7.1.1 A label shall be nailed in an appropriate and eye-catching position on the front of the product. The label shall comply with the provisions of GB/T13306, including: a) manufacturer name; b) product name and model; c) main parameters; d) factory number and manufacturing date. 7.1.2 The outer wall of the packaging box shall have clear and neat markings, including: a) manufacturer name, b) product model, name and quantity; c) factory number and box number; d) box size and gross weight; e) consignee name and address, f) "lifting mark", "upward" and packaging year, month and other words or signs. 7.1.3 The packaging storage and transportation graphic signs shall comply with the relevant provisions of GB/T191. 7.2 Packaging 7.2.1 Product packaging shall comply with the provisions of QB/T1588.5. 7.2.2 Each product shall be provided with the following documents: a) Instruction manual. The preparation shall comply with the provisions of GB/T9969.1; b) Product certificate. The preparation shall comply with the provisions of GB/T14436; c) Packing list.
The above documents shall be packed in a moisture-proof bag.
7.3 Transportation
7.3.1 Product transportation shall meet the requirements of land and water transportation and loading. 7.3.2 Products shall be handled with care during transportation and loading and unloading. Inversion and stacking are strictly prohibited. 7.4 Storage
Products shall be stored in a ventilated and dry place, and shall be avoided from coexistence with chemicals such as acids, alkalis, and salts. 2961A label should be nailed on the front of the product in an eye-catching and appropriate position. The label should comply with the provisions of GB/T13306, and the content should include: a) manufacturer name; b) product name and model; c) main parameters; d) factory number and manufacturing date. 7.1.2 The outer wall of the packaging box should have clear and neat markings, including: a) manufacturer name, b) product model, name and quantity; c) factory number and box number; d) box size and gross weight; e) consignee name and address, f) "lifting mark", "upward" and packaging year, month and other words or signs. 7.1.3 The packaging storage and transportation graphic signs should comply with the relevant provisions of GB/T191. 7.2 Packaging
7.2.1 Product packaging should comply with the provisions of QB/T1588.5. 7.2.2 Each product should be provided with the following documents: a) Instruction manual. The preparation should comply with the provisions of GB/T9969.1; b) Product certificate. The preparation should comply with the provisions of GB/T14436; c) Packing list.
The above documents should be packed in a moisture-proof bag.
7.3 Transportation
7.3.1 Product transportation should meet the requirements of land and water transportation and loading. 7.3.2 Products should be handled with care during transportation and loading and unloading. Inversion and stacking are strictly prohibited. 7.4 Storage
Products should be stored in a ventilated and dry place to avoid coexistence with chemicals such as acids, alkalis, and salts. 2961A label should be nailed on the front of the product in an eye-catching and appropriate position. The label should comply with the provisions of GB/T13306, and the content should include: a) manufacturer name; b) product name and model; c) main parameters; d) factory number and manufacturing date. 7.1.2 The outer wall of the packaging box should have clear and neat markings, including: a) manufacturer name, b) product model, name and quantity; c) factory number and box number; d) box size and gross weight; e) consignee name and address, f) "lifting mark", "upward" and packaging year, month and other words or signs. 7.1.3 The packaging storage and transportation graphic signs should comply with the relevant provisions of GB/T191. 7.2 Packaging
7.2.1 Product packaging should comply with the provisions of QB/T1588.5. 7.2.2 Each product should be provided with the following documents: a) Instruction manual. The preparation should comply with the provisions of GB/T9969.1; b) Product certificate. The preparation should comply with the provisions of GB/T14436; c) Packing list.
The above documents should be packed in a moisture-proof bag.
7.3 Transportation
7.3.1 Product transportation should meet the requirements of land and water transportation and loading. 7.3.2 Products should be handled with care during transportation and loading and unloading. Inversion and stacking are strictly prohibited. 7.4 Storage
Products should be stored in a ventilated and dry place to avoid coexistence with chemicals such as acids, alkalis, and salts. 296
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