This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of dripping cake-type bubble blowing machines. This standard is applicable to dripping cake-type bubble blowing machines (hereinafter referred to as "bubble blowing machines") for blowing various types of bulb glass shells with a diameter of 25 to 110 mm, a wall thickness of 0.3 to 3.0 mm, and a length of less than 300 mm. QB/T 1442-1992 Technical conditions for dripping cake-type bubble blowing machines QB/T1442-1992 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Technical Conditions for Drip-Material Pressed Cake Bubble Blowing Machine
1 Subject Content and Scope of Application
QB/T1442—1992
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of drip-material press-cake bubble blowing machines. This standard is applicable to drip-material press-cake bubble blowing machines (hereinafter referred to as "bubble blowing machines") for blowing various types of bulb glass shells with a diameter of 25~110mm, a wall thickness of 0.3~3.0mm, and a length of less than 300mm. 2 Reference standards
GB/T191 Packaging storage and transportation pictorial symbols
GBn193 General technical conditions for packaging of exported machinery, electrical, instrumentation and meter products JB/T2759 General technical conditions for packaging of electromechanical products ZBJ50008.1 General technical conditions for machining of metal cutting machine tools ZBJ50008.2 General technical conditions for welding of metal cutting machine tools ZBJ50008.3 General technical conditions for assembly of metal cutting machine tools ZBK70006 General technical conditions for glass shells of electric light sources 3 Technical requirements
3.1 Basic requirements
3.1.1 The bubble blowing machine shall comply with the provisions of this standard and shall be manufactured according to the drawings and technical documents approved by the prescribed procedures. 3.1.2 The materials used in the manufacture of the bubble blowing machine shall have a quality certificate from the supplier, otherwise the manufacturer shall inspect the materials and only use qualified ones.
3.1.3 Purchased and outsourced parts shall be assembled only if they have a quality certificate. 3.2 Performance
3.2.1 Production capacity: 100% nominal production capacity should be achieved. 3.2.2 The quality of blown bulb glass should meet the requirements of ZBK70006. At the rated speed, the qualified rates of blown L60 and L75 glass bulbs should be greater than 80% and 76% respectively.
3.2.3 The first overhaul period is greater than 2 years.
3.2.4 The service life of the whole machine is greater than 10 years.
3.3 Manufacturing accuracy
3.3.1 The pitch tolerance of the blowing center axis is 0.60mm. The radial runout tolerance of the blowing center axis is 0.15mm. 3.3.2
The bottom surface runout tolerance of the orifice plate bracket is 0.35mm. 3.3.3
The left and right height difference of the mold bracket is not greater than 0.25mm. 3.3.4
The height difference of the upper plane of each orifice plate bracket bottom support is not more than 0.80mm. The coaxiality tolerance of the orifice plate bracket and the blowing center axis to the mold bracket is .30mm. 3.3.6
3.4 ​​Working performance
Approved by the Ministry of Light Industry of the People's Republic of China on February 21, 1992 and implemented on August 1, 1992
3.4.1 Safety and environmental protection
QB/T 1442—1992
3.4.1.1 Various information transmission indications and fault signal displays of light or sound should be normal and reliable. 3.4.1.2 Various switches, safety protection and linkage interlocking function devices should be flexible and reliable. 3.4.1.3 Instruments and meters showing various values ​​(ranges) should be accurate and work normally and reliably. 3.4.1.4 The insulation of the electrical circuit should be good, and the insulation resistance to the ground should not be less than 5MQ. 3.4.1.5 The noise level during idling should not exceed 85dB(A). 3.4.2 Operational performance
The start and stop of the whole machine should be flexible and reliable.
The whole machine should run smoothly and can be steplessly regulated. 3.4.2.3
The drum should run smoothly.
The up and down movement of the blowing head should be flexible. wwW.bzxz.Net
The positioning of the orifice plate bracket should be accurate.
3. 4.2. 6
The opening and closing of the mold bracket should be flexible and reliable.
The swing of the suction head rack should be accurate and in place without shaking. The up and down movement of the drip tray should be fast without fat movement. 3. 4.2.8
3.4.2.9The action of the actuator should be coordinated and accurate, without abnormal noise, and there should be no jamming, interference or collision. 3.4.2.10The oil supply of the oil lubrication system should be normal without leakage. 3.4.2.11 The air circuit system should be well sealed without air leakage. 3.5 Appearance quality
3.5.1 The outer surface of the product should be flat and smooth, without obvious visible protrusions, depressions, roughness and other damage not specified in the drawings. 3.5.2 The unprocessed surfaces of all parts and accessories should be painted, and the paint surface should be complete, smooth, uniform and consistent in color. There should be no spots, wrinkles, bubbles and stains, and there should be no peeling and shedding. 3.5.3 The surface of electroplated parts should be bright and there should be no signs of plating peeling. 3.5.4 The edges of the mating surfaces of parts should not have significant deviations. 3.5.5 Rust spots, water stains, bumps, knife marks and grinding wheel dressing marks are not allowed on the processed surface of parts. 3.5.6 The scaled lines, numbers and marks of the scaled parts of the parts should be accurate and clear, and the indicator lines of each knob should be aligned with the scale line numbers. 3.5.7 Product labels should be fixed in appropriate and obvious positions, and all labels should be clear, durable, flat and firm. 3.5.8 The layout of electrical, pneumatic, lubrication, cooling and other pipelines should be reasonable, and the arrangement should be neat and beautiful. 3.6 Processing quality
3.6.1 The quality of castings should comply with the requirements of the drawings. 3.6.2 Welded parts should comply with the provisions of ZBJ50008.2. 3.6.3 Machined parts should comply with the provisions of Articles 3.1 to 3.5 of ZBJ50008.1. 3.6.4 Qualification rate of main parts: 100% for key items and 85% for main items. 3.7 Assembly quality
3.7.1 The parts and components (including purchased parts) assembled with the bubble blowing machine should comply with the quality requirements specified in Articles 3.1 to 3.5 of ZBJ50008.3.
3.7.2 The sliding and rotating parts on the bubble blowing machine should move lightly, flexibly, smoothly and without obstruction. 3.7.3 There should be no abnormal noise or irregular impact sound when the bubble blowing machine is running. 4 Test method
4.1 Manufacturing accuracy inspection
4.1.1 The pitch tolerance of the blowing center axis is tested at all stations 70mm upward from the bottom of the center axis using a vernier caliper with a graduation value of 0.05mm (see Figure 1). The measured adjacent pitch errors should meet the requirements of Article 3.3.1. 94
QB/T 1442--1992
Figure 1 Blowing center axis pitch detection diagram
Blowing center axis
4.1.2 The radial runout of the blowing center axis is detected by a dial indicator with a graduation value of 0.001mm. Randomly sample 50% of the stations at 70mm from the bottom end of the center axis for detection (see Figure 2). The measured radial runout error shall meet the requirements of Article 3.3.2. 4.1.3 The end face round runout of the bottom surface of the orifice plate bracket is detected by a dial indicator with a graduation value of 0.01mm. Randomly sample 50% of the stations at the bottom surface of the orifice plate bracket for detection (see Figure 2). The measured round runout error shall meet the requirements of Article 3.3.2. 4.1.4 The left and right height difference of the mold bracket: Install the detection gauge 1 in the inner groove of the mold bracket, see Appendix A (Supplement) Figure A1. On the bottom plane of the testing gauge 1, use a scale with a graduation value of 0.001mm to measure (see Figure 3). Randomly inspect 50% of the workstations, and the measured height difference should meet the requirements of Article 3.3.4.
Blowing center axis
Bottom plate bracket
Figure 2 Blowing center axis radial runout and orifice plate bracket end face runout detection Figure 95
Left mold bracket
Dry table
QB/T1442—1992
Right mold bracket
Detection measuring tool 1
Figure 3 Mold bracket left and right height difference detection diagram
4.1.5 The height difference of the upper plane of each orifice plate bracket bottom bracket is detected by using a dial indicator with a graduation value of 0.01mm. 50% of the workstations are randomly sampled at the upper plane of the orifice plate bracket bottom bracket for detection (see Figure 4). The measured height difference should meet the requirements of Article 3.3.5. 4.1.6 The coaxiality detection of the orifice plate bracket and the blowing center axis to the mold bracket (see Figure 5). The detection method and measuring tool are shown in Appendix A (Supplement). Its coaxiality error shall meet the requirements of 3.3.6. Huanmei
Orifice plate bracket
Figure 4 Detection of the height difference of the upper plane of each orifice plate bracket bottom bracket Figure 96
4.2 Working performance inspection
Detection gauge 2
Detection gauge 1
Orifice plate bracket
Mold support
QB/T 1442—1992
Blowing center axis
Figure 5 Detection of the coaxiality of the orifice plate bracket and the blowing center axis to the mold support Figure 4.2.1 Various information transmission indications of light or sound, fault signal display, various switches, safety protection, linkage and interlocking function devices, various value (range) display instruments and meters, etc. are all inspected and judged by the operation visual method and shall meet the requirements of 3.4.1.1 to 3.4.1.3. 4.2.2 The electrical insulation performance shall be tested with a Class 2 precision 500 volt megohmmeter, and its insulation resistance shall comply with the requirements of Article 3.4.1.4 of this standard. 4.2.3 Noise test: Use a precision sound level meter with ±1dB accuracy to measure three points 1m outside the maximum circumference of the product, evenly distributed around the circumference and 1.5m above the ground, and take the arithmetic average. The noise should meet the requirements of Article 3.4.1.5. 4.3 Running performance test
4.3.1 The product should be operated idly for no less than 1 hour under the conditions of air pressure, blowing head 0.2 MPa, and timing valve 0.25MPa, to test its various performances.
4.3.2 The start and stop performance of the whole machine should be tested by the operation method of starting and stopping the machine for no less than 5 times in a row, which should meet the requirements of Article 3.4.2.1 for flexibility, stability and reliability.
4.3.3 The whole machine should be operated idly by the operation method, and run with stepless speed regulation, which should meet the requirements of Articles 3.4.2.2~3.4.2.11. 4.4 The appearance quality is judged by visual sensory method, which should meet the requirements of Article 3.5. 4.5 The performance of the bubble blowing machine shall be tested on site at the factory where it is used. 5 Inspection rules
5.1.1 The product must be inspected and qualified by the quality inspection department of the manufacturer and a product quality certificate shall be issued before it can leave the factory. 5.1.2 The factory inspection items shall be inspected in accordance with the provisions of Articles 3.3, 3.4 and 3.5. 5.1.3 If the factory inspection items are qualified, the product shall be deemed to have passed the factory inspection. 5.2 Type inspection
5.2.1 The type inspection items are the entire contents of the technical requirements of this standard. 5.2.2 Type inspection shall be conducted in any of the following circumstances. When a new product is trial-made and identified;
When there are major changes in the structure, process and materials; 97
QB/T1442-1992
When a comprehensive assessment and evaluation of product quality is required; d. When the product is in normal production, it shall be conducted once every three years; When the national quality supervision department proposes the requirement for type inspection. e.
5.2.3 Sampling for type inspection shall be selected from the same batch of products that have passed the factory inspection. For batches larger than 5, two units shall be selected; for batches smaller than 5, one unit shall be selected.
5.2.4 If all items of type inspection are qualified, the batch of products shall be qualified. If there are unqualified items, double sampling shall be conducted. If there are still unqualified items, the batch of products shall be judged unqualified.
6 Marking, packaging, transportation, storage
6.1 Product packaging shall comply with the provisions of JB/T2758. 6.2 Export product packaging shall comply with the provisions of GBn193. 6.3 The textual marks on the packaging box include:
Product model and name;
Factory number and box number;
Box dimensions (length×width×height);
Net weight and gross weight:
Factory date;
Arrival station (port) and consignee;
Departure station (port) and consignor;
Export products should be marked with "Made in the People's Republic of China" or the abbreviation "Made in China". The graphic marks on the packaging box should comply with the provisions of GB/T191. 6.4
6.5The packaging of products and accessories should comply with the requirements of land and water transportation and loading. 6.6After packaging, the products should be stored in a ventilated, dry and rainproof indoor venue with facilities for storage, and the effective storage period is one year. 6.7Random technical documents
Random technical documents should include instruction manual, certificate of conformity and packing list. 7 Quality Assurance
If the user complies with the product manual, the manufacturer shall be responsible for repairing or replacing parts if the product is damaged or malfunctions due to poor manufacturing within one year from the date of delivery or within 6 months from the date of installation. 98
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A1 Test gauge
QB/T 1442—1992
Appendix A
Measuring method for the coaxiality of the orifice plate bracket and the blowing center axis to the mold bracket (supplement)
The test gauge should be heat treated to meet the requirements of T235. The surface roughness and chamfer of the unmarked surface are and 0.5×45℃ respectively. After processing, it should meet the requirements of Figure A1 and Figure A2. A2 Test method
Mount the test gauge 1 on the mold support, press the blowing center axis downward along the axial direction, so that the $29.8g7 shaft head of the gauge 2 enters the 30H6 hole of the test gauge 1. The one that can enter smoothly is qualified, 0. 030
+125f6 (two 8)
$41. 3~8:823
$30H6 (0. 016)
Gauge 1
Additional instructions:
QB/T1442-—1992
@0. 015[A]
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Glass Machinery Standardization Center. This standard was drafted by Shenyang Light Bulb Factory. The main drafters of this standard are Li Dezhong and Zhao Yue. Measuring tool 2
823862The 8g7 shaft head enters the 30H6 hole of the test gauge 1. If it can enter smoothly, it is qualified. 0. 030
+125f6 (two 8)
$41. 3~8:823
$30H6 (0. 016)
Gauge 1
Additional instructions:
QB/T1442-—1992
@0. 015[A]
This standard is proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Glass Machinery Standardization Center. This standard was drafted by Shenyang Light Bulb Factory. The main drafters of this standard are Li Dezhong and Zhao Yue. Gauge 2
823862The 8g7 shaft head enters the 30H6 hole of the test gauge 1. If it can enter smoothly, it is qualified. 0. 030
+125f6 (two 8)
$41. 3~8:823
$30H6 (0. 016)
Gauge 1
Additional instructions:
QB/T1442-—1992
@0. 015[A]
This standard is proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Glass Machinery Standardization Center. This standard was drafted by Shenyang Light Bulb Factory. The main drafters of this standard are Li Dezhong and Zhao Yue. Gauge 2
823862
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