This standard specifies the technical requirements, test methods and inspection rules for shot blasting cleaning rooms. JB/T 8495-1996 Technical requirements for shot blasting cleaning rooms JB/T8495-1996 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T8495-96
Shot blasting cleaning room
199G-11-07 Release
Technical conditions
1997-01-01 Implementation
Ministry of Machinery Industry of China
JE/E8495-96
This standard is formulated according to the existing technical level of my country. The requirements for surface cleanliness and surface roughness are equivalent to the requirements of 15050-1(19R) standard H: Rust grade and pretreatment grade of uncoated steel and steel after complete removal of original coating, 4.2 on light blast cleaning, blast cleaning, non-thorough blast cleaning to make the steel surface clean; non-equivalent to TS2632/1 (1985) surface roughness comparison, which is the first part: electric spark cutting , shot blasting, sand blasting and blasting. In order to meet the high requirements of domestic and foreign trade, technology and economic exchanges, the technical requirements, test methods, inspection rules and other technical contents of shot blasting are specified.
This standard shall be implemented from January 1, 1987. This standard is issued by the Standardization Technical Committee of China Machinery Association. The drafting unit of this standard is: Machinery Industry.
, Standard Service
Machinery Industry Standard of the People's Republic of China
Shot blasting cleaning case
Technical case
This standard defines the technical requirements and quality of shot blasting, test methods and inspection standards. This standard is used for shot blasting equipment (abbreviated as shot blasting equipment). 2 Reference standards
JB/T B495—96
The following clauses cover the provisions that have become the provisions of this standard through reference in the major work. The versions indicated are effective on the date of publication of this standard. All parties to this standard will revise it. Other parties using this standard should discuss the possibility of using the following new versions. GB15U-N
GB/T 5225. 1-1996
GB7932—87
GB100568
LH/13306-91
[1 164-1
JB2670-82
JE 371..X-84
[H/T 5334-5]
JR/TiaAG.-9
TR 5515ST
BT5548
I/T 6578-$3
JR/T8355-96
3 Technical requirements
3.1 General requirements
Steel power vessels
Industrial machinery electrical equipment Part 1: General technical specifications General technical conditions for pneumatic systems
New line circular gear "precision
Casting batch vibration pass and technical policy
Set bearing cutting machine precision test pass! .
Pouring pool pellet machine according to technical record
Disposal. Painting technology system of cleaning equipment
Method for determination of machine cleanliness
Technical conditions for casting machinery installation
Technical conditions for electric power equipment pressure
Method for determination of noise level of casting machine sound pressure level determination of single net sugar ratio equipment double technical conditions
Technical conditions for flame blasting equipment
3.1.1 The cleaning system shall comply with the provisions of this standard and manufacture the sample with the general technical documents approved by the prescribed procedures. 3.1.2 The electrical system of the cleaning room shall comply with the provisions of GB/T5226.1, and the pneumatic system of the cleaning room shall comply with the provisions of CB7932. 3.1.4 The coating of the cleaning room shall comply with the provisions of [B/1136]. 3.1.5 The safety protection of the cleaning room should comply with the provisions of JB5545. The various signs of the cleaning room should comply with the provisions of H13306. 3.1.6bzxz.net
3.1.7 The exposed surface of the cleaning room shall not be uneven or otherwise damaged. 3.1.8 The external parts used in the cleaning room shall comply with the relevant standards and have product qualification certificates. 3.2 Shot blasting machine
3.2.1 The shot blasting machine selected for the cleaning room shall comply with the provisions of B3713.2 or JB/T657B. Approved by the Ministry of Machinery Industry on November 7, 1996
1997 01 01 Implementation
JD/T849596
3.2.2 The configuration of the shot blasting machine shall be reasonable to ensure that the blasting effect reaches the design requirements. 3.23 The gap between the cover of the pelletizer and the seat of the ground should not be greater than 3.3 mm. 3.3 or 3.31 The nozzle of the pelletizer should be paired, and the upper surface should not be less than 30HRC. 3.3.2 The compressed air of the pelletizer should be fully aligned. When the working pressure reaches 0.5MPa, the pressure at the joint should not be too high. 3.3.3 The pelletizer should be flexible and its lower chain should be dynamic. 3.3.4 The design, manufacture, inspection and acceptance of the pelletizer should comply with the provisions of B150, and should comply with the relevant orders, regulations and provisions of the relevant container. 3.4 Dynamic sieve 3.4.1 Under normal use conditions, the dynamic screen body should not have any cracks. 3.4.? The dynamic screen should be adjusted and there should be no obvious vibration. 3.4.3 The surface of the vibration support frame should not exceed 2rm3.4.3. The general should comply with the provisions of 3.4.3.53.4.3. in JH/T8355-96. 3.4.5 The electric vibrator should comply with the provisions of J15/T5548. 3.4.6 The amplitude of vibration should not be less than 4.%mm. 3.5
3.5.1 The parts of the trolley that are not subject to the impact of the elastic force should be uniform and the degree of vibration should be lower than HR3.5.2 The spots where the wheels meet the wheel should comply with the Y-level precision in GH19--83 table C2. 3.5.3 The speed of the trolley should be changed, and there should be no obvious vibration and abnormal sound. 3.5.4 The contact between the turntable and the support should be good. The surface of the wheel body should be 5--50HkC. 3. Elevator
3.6.1 The elevator should be operated without slipping, deflection, or over-rotation. 3.6 The tensioner of the elevator should be more flexible: the adjustment stroke should meet the design requirements: 3.6.3 The productivity of the elevator should reach the design requirements under normal working conditions. 3.7 The conveyor should be operated with appropriate parts, and the transportation should be continuous. The sand content in the material should not exceed 13%. The qualified projectile gold content in the material should not be greater than 13. Each reducer should be in good condition: its cleanliness limit should be the lower limit of the lubricating oil standard. 13.1D The cleaning process should be able to connect with the semi-exploration system or the semi-exploration system. 3.11 The auxiliary parts of the labor and machinery in the disinfection room should be complete: 3.12 Requirements for idling and loading operation
All interlocking mechanisms should function completely and reliably,
All the motors should run normally and tightly, and there should be no collision or washing between the phases. The shot blaster should not have abnormal alarms,
3.12.4 The electrical control system should be coordinated, flexible and reliable. 3.12.5
All the tight connections should not be loose.
3.12.6 The amplitude of the rolling bearing channel should not exceed 85%! The temperature should not exceed 7℃.3.12. The cleaning room is equipped with (including two) pill collectors (noise pill release). The idling noise should not be more than 100dB (A); if it is equipped with two pill collectors (including nine), the idling noise should be less than 90dB (A). 3.12.B The machine should operate smoothly under the rated load. 3.12. There should be no obvious squeezing and leakage in the pill collector. 3.13.10 The door should be flexible and easy to operate, and the pill supply system should not leak pills. 3.13.1 The cleaning room should be well-designed and there should be no bullet leakage. JE/T8495-96
3.12.2 The dust collector used in the cleaning room should be able to move smoothly. The dust concentration of the air discharge shall comply with the relevant regulations of the Ministry of Environmental Protection of the People's Republic of China. After spraying, the surface cleanliness of the workpiece shall meet the requirements of 3.9.11.13.12.13 of B/T8355-96. 3.12.14 The surface roughness of the workpiece shall meet the requirements of the technical documents or agreements after spraying with appropriate materials. Test method 4.1 Air transport test 4.1.1 The cleaned parts shall be tested for air transport, and the air transport test shall not be less than 2 hours. The air transport test shall be carried out for 3.1 to 3.3 hours. 12.7 Required line test. 4.1.2
4.1.3 The trolley shall be tested for no less than four times. 4.1.4 Noise connection/door 6331.2 Required test. 4.2 Load running test
4.2.1 Before the load operation test: an idling operation test should be carried out, 4.2.3 the rated load should be connected for testing, and the test should be carried out according to the regulations of 3.12.8~3.12.14, 4.2.3 the test of the quantity of sugar pills in the group should comply with the provisions of 4.5 of /8355-96. The accuracy shall be tested in accordance with the provisions of JB/T5365.1. 4.2.5 The cleanliness shall be tested in accordance with the provisions of JB/T5365.1. 4.3.6 The dust emission shall be tested in accordance with the provisions of the national safety management department. 4.2.7 The roughness of the surface shall be tested in accordance with the provisions of 4.16 of JB 8355-96. 4.2.8 If the manufacturer does not have the test parts, it is allowed to be tested at the user's factory. The products shall be tested for empty running after the parts are installed. 5 Inspection rules 5.1 Delivery inspection 5. Each product shall be inspected and qualified by the manufacturing quality inspection department before it can be shipped with the product quality certificate. 5.1.2 Factory inspection should be carried out in accordance with the provisions of 3.1.4~3.1.7, 3.11.3.12.1--3.12.6, and all items should be qualified on the date of delivery. 5.2 Type inspection
5.2.1 Type inspection should be carried out in any of the following situations: a) When new products are identified; b) After formal production, when the structure, materials, and workmanship have a significant impact on the performance of the product; d) When the production is stopped for more than two years and the production is resumed; e) When the inspection results are significantly different from the previous type test; 1) When the national quality base book requires the type inspection. 5.2.2 The type inspection shall be carried out by random sampling of 2% of each batch of products, and shall not be less than one unit. 5.2.3 Type inspection shall be carried out when all the items specified in the appendix of this standard are filled in, and all inspection items shall be qualified on the date of delivery. 6 Marking, packaging and storage and transportation
The marking of the handling room, packaging and storage and transportation shall comply with the provisions of 7.1--7.5 of 164491, 3
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