JB/T 9854-1999 This standard is a revision of ZB J84 009-87 "Air Legs". This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of air legs. This standard applies to air legs for pneumatic rock drills. This standard was first issued on 1987. JB/T 9854-1999 Air Legs JB/T9854-1999 Standard download decompression password: www.bzxz.net

ICS 73.100.10
Machinery Industry Standard of the People's Republic of China
JB/T9854--1999
Air legs
1999-06-28 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JB/T9854-3999
This standard is a revision of ZBJB4009-87 Air legs. During the revision, only the relevant provisions were edited and revised, and the main technical contents remained unchanged.
This standard replaces ZBJ84009-87 from the date of implementation. This standard is issued and managed by the National Technical Committee for Standardization of Rock Drilling Machinery and Pneumatic Tools. This standard is valid from: Biyang Zhuji Co., Ltd. The main drafters of this standard are Li Chunxian and Wang Chuanwen. 1 Scope
Machinery Industry Standard of the People's Republic of Chinabzxz.net
Air legs
JB/T 9854-1999
ZBJ84009-
This standard specifies the type test and basic parameters, technical requirements, test activities, inspection rules and markings, packaging, transportation and storage of air legs
This standard applies to air legs for pneumatic chiseling machines (hereinafter referred to as products) 2 Reference standards
The clauses included in the marked columns become the clauses of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised. All parties using this standard should explore the possibility of using the most recent version of the following standards. GBT2822: J98J
GR: T 28281987
GR-T 5G21-1999
JE/T1590—199%
JE/T 3576—1999
JB.T 404I—1994
JB/T716E—1993
JB/T 7162 -1993
JB/T 7163--1993
JB/T7164—1993
JB/T7165—1993
JB7167—1993
JB/17302—1994
JB/98$7—1999
3 Types and basic specifications
3.1 Types
Standard dimensions
Batch-by-batch inspection counting sampling procedures and sampling intervals (applicable to inspection of consecutive batches) Performance test of mechanical and pneumatic tools Mechanical and pneumatic tool basic product model compilation Mechanical and pneumatic tools
General technical conditions for rust prevention
Product specifications of mechanical and pneumatic tools General test method for product cleanliness General technical conditions for heat-treated parts of Yanzhou Machinery and Pneumatic Tools General technical conditions for structural investment castings of Yanzhou Machinery and Pneumatic Tools General technical conditions for steel die forgings of Yanzhou Machinery and Pneumatic Tools General technical conditions for machined parts of Yanzhou Machinery and Pneumatic Tools General technical conditions for assembly of Yanzhou Machinery and Pneumatic Tools: General technical conditions for welded parts General technical conditions for product packaging of Yanzhou Machinery and Pneumatic Tools General technical conditions for painting of Yanzhou Machinery and Pneumatic Tools There are two types of products: a) Directional type h) Unidirectional type, 3. 2 Basic parameters
3.2.1 The main parameters of the production station are theoretical calculation index force, approved by the Machinery Industry Bureau on 1999-0-28
implemented on 2000-01-01
JB/T9854-1999
3.7.7 The basic parameters of each type of product shall comply with the requirements of Table 1. 3.2.3 The inner diameter of the product shall comply with the provisions of GBT2822. 3.3 The product model shall be compiled according to the requirements of JB/T1590. Table
Pushing force
Product series
4Technical requirements
E30J~1600
7(KI--21K)
220K--25UK)
Acceptance
Total length
1200-1600
4.1The product composition shall comply with the requirements of this standard and be manufactured according to the product drawings and technical documents in the prescribed order. Import length
900-1500
4.2All parts (including purchased parts, outsourced parts, and standard parts) must be inspected and qualified by the factory quality inspection department before assembly. 4.3The quality of the melt mold chain shall comply with the provisions of /r7[62. 4.4 The quality of the entire steel mold shall comply with the provisions of T7. 4.5 The quality of heat-treated parts shall comply with the provisions of 1B/T7161. 4.6 The quality of machined parts shall comply with the provisions of /T7164. 4.7 The quality of joint parts shall comply with the provisions of JR/T7167. 4.8 The assembly quality of products shall comply with the provisions of [book /T7165]. 4.9 The cleanliness of products shall meet the requirements of Table 2. Table 2
Product system
Cleanliness
s 1000
4.10 The coating quality of products shall comply with the provisions of JB9857, and the anti-rust quality of products shall comply with the provisions of JBT3576. 5 Test method
51 The axial force of the product shall be inspected under the acceptance atmosphere, and its value shall not be less than 70% of the theoretical calculated withdrawal thrust of the specific product, and there shall be no sticking.
5.2 The performance test of the product shall be carried out in accordance with the provisions of GB 5621, and the cleanliness test of the product shall be carried out in accordance with the provisions of JR/T4041. 2
6 Inspection rules
JB/T9854—1999
6.1 The product shall be inspected by the quality inspection department of the manufacturer and accompanied by technical documents proving the quality of the product. 6.2 Before the test, the assembly quality of the product shall meet the requirements of 4.8. 6.3 The product shall be retrospectively type-tested in the following circumstances: a) products that have been manufactured (including old products when they are transferred to the factory for production); b) when the product has major changes in design, process and materials used; c) when the product is resumed after a long period of suspension; d) products produced in batches or in large quantities, once every 5 years. 6.4 Products that undergo type inspection shall be randomly sampled from qualified products. 6.5 When checking the quality of the product: the sample shall be checked according to the standard of GB/T2828. Marking, packaging, transportation and storage
7.1 Each product shall be marked with the following contents: a) Manufacturer name or trademark:
b) Product model and product name:
) Product number:
d) Date of manufacture (year, month)
7.2 The quality of product packaging shall comply with the provisions of JB/7302.
3 The product packaging box shall be accompanied by the following technical documents: packing list;
b) Product certificate;
c) Product use and maintenance instructions.
7.4 When this product is supplied as a set with other products, it can be packaged together with other products. In addition to the technical documents and product certificate required by the product, the packing list and use and maintenance instructions can be combined with the packing list and use and maintenance instructions of other products into one set. 7.5 The product should be waterproof, moisture-proof and sun-proof during transportation and storage.
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