JB/T 9847-1999 This standard is a revision of ZB J48 003-88 "Pneumatic Drills". The main technical content and standard structure have been changed as follows: - Added the provisions on product sampling plan; - Cancelled the provisions of Appendix A, i.e. the waste limit of major wearing parts. This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of pneumatic drills. This standard applies to pneumatic drills. This standard was first issued in 1988. JB/T 9847-1999 Pneumatic Drills JB/T9847-1999 Standard download decompression password: www.bzxz.net

[Cs 25.140.10
Machinery Industry Standard of the People's Republic of China
JB/T 9847—1999
Pneumaticdrills
1999-06-28 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JB/T9847~1999
This standard is a revision of ZBJ48003-—88 "Pneumatic Drills". The main technical content changes are as follows: Added the provisions on product sampling plan: Cancelled Appendix A, i.e. the provisions on the limits of the main susceptibility. This standard replaces 2BJ483-8 from the date of implementation. This standard was proposed by the National Rock Drilling Machinery and Pneumatic Tools Standardization Technical Committee and is under the jurisdiction of the drafting unit of this standard: Tianshui Pneumatic Tools Factory. The main drafters of this standard are Wang Xiqiao and Qu Fuping. This standard was first issued in 1988.
1 Scope
Machinery Industry Standard of the People's Republic of ChinabZxz.net
Pueumatic drills
V8/T9847-[999
Replaces ZB J4003-B8
This standard specifies the types and basic vehicle parameters, technical requirements, test methods and inspection rules and signs, installation, transportation and storage of pneumatic drills
This standard is applicable to gas stations.
2 Referenced standards
The following standards contain the meanings and constitute the provisions of this standard through reference in this standard. When the standard is published, the versions shown are valid. All standards will be revised. Parties using this standard should explore the possibility of using the new versions of the following standards: GB.T1443-1996 GE/12828-1987 OB.T 562-1999 GB5898-1993 UB/T6090-1993 JB/T1590--1996 JR.T 3576-1999 JR/T 3904.199.1 JR/T 4D41--1994 JB7161-1993 JB/T 7[62--1993 JB.T 7I63-1993
JBT 754-1993
JB/T7302—1994
JBr9857-1999
3 Types and basic specifications
3.1 Type
3.1.1 Products are divided into the following categories according to the direction of rotation: a) unidirectional; b) non-directional.
Self-clamping chain for machine tools and tool handles
Counting sample procedures and sampling tables for each casting (applicable to the qualification of the transfer and renewal batch) Rock machinery and pneumatic tool performance test method Rock drill and pneumatic tool noise measurement method "1 method Sticky cone
Old machine and pneumatic tool product model compilation method General technical conditions for rust prevention
Pallet rock machinery and pneumatic factory tools
Belt rock machinery and pneumatic tools
Metal mold, sand bullet casting Technical conditions for aluminum alloy castings General testing method for oil absorption of products General technical conditions for heat-treated parts of rock drills and pneumatic tools Technical conditions for structural steel mold castings of rock drills and pneumatic tools General technical conditions for steel mold parts of rock drills and pneumatic tools General technical conditions for machined parts of rock drills and pneumatic tools General technical conditions for product packaging of rock drills and pneumatic tools General technical conditions for coating of rock drills and pneumatic tools 3. 1.2 Products are divided into the following types according to their specifications:
Approved by the State Machinery Industry Bureau on June 28, 1999 and implemented on January 1, 2000
a) Straight handle type;
b) Gun handle type;
|) Delete handle type.
3.1.3 Products are divided into the following types according to their specifications:
a) Gravity type;
b) Angle type,
3.2 Basic parameters
Basic parameters of products shall comply with the provisions of Table 1. Basic parameters
Air speed
r/min
Unit power consumption
L(s-kw)
Instantaneous output (power level)
dB (A)
Inner diameter of air pipe
1 The acceptance air pressure is 0.63MPB.
2 The slow sound is measured under no-load operation.
JBrF9847-1999
Table 1 Basic parameters of products
3 Pick-up and drilling; Pin-type air drill or allowance to increase by 25%3.3 Product model should comply with the provisions of JB 15904 According to technical requirements
#35 core
4.1 The production should comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 22.87
4.2 All parts (including external chest parts, outsourcing parts, standard parts) must be inspected and qualified by the technical inspection department before they can be assembled, and the operation of the matching basket machine should be flexible:||t t||4.3 All parts and components of the same model product shall meet the requirements of interchangeability (except for optional parts specified in drawings and technical documents). 4.4 The quality of investment molds and other parts shall comply with the provisions of JB7162. 4.5 The quality of die forging shall comply with the provisions of B/T7163. 2
JB/T9847-1999
4.6 The quality of lead alloy chain shall comply with the provisions of JD/T3904, the quality of processed parts shall comply with the provisions of JBT16, and the quality of machined parts shall comply with the provisions of JB7164. 4.9 The quality of the product shall comply with the provisions of Table 2. Table 2 Product Cleanliness
Product Series
Clearness
Product life indicators should meet the requirements of Table 3: 4.10
Table 3 Product Life Indicators
Product Series
Life Indicators
4.1L The anti-rust quality of the product should meet the requirements of JB/T3576, 4.12 The paint quality of the product should meet the requirements of J0/T9857, 3
4.13 The external short taper of the spindle box outlet should meet the requirements of GB/T6090, and the internal taper should meet the requirements of GB/1443. 5 Test Methods and Inspection Regulations
5. The product must be accepted by the technical inspection department of the manufacturer, and there must be technical documents proving the quality of the product. 5.2 The factory inspection of the product shall be carried out according to the inspection regulations formulated by the manufacturer based on the specific product, but the basic parameters of the product shall meet the requirements of Table! 5.3 The performance test of the product shall be carried out in accordance with the provisions of GB5621. 5.4 The noise measurement of the product shall be carried out in accordance with the provisions of GB5898. 5.5 The viscosity test of the product shall be carried out in accordance with the provisions of JB/T4041. 5.6 The approval of the product life shall be based on the type inspection report. 5.7 The product shall be subject to type inspection in one of the following situations: a) When the new product (including the old product when it is transferred to the factory for production) is finalized; b) When there are major improvements in product design, process and main materials used; d) When the product of phased production is put into production; 5.8 The products for type inspection shall be randomly selected from the qualified products. 5.4 When sampling and inspecting the quality of the product, the normal inspection and sampling plan stipulated in GBT282B shall be followed. 6 Marking, packaging, temperature transportation and storage
6.7 There shall be a mark on the obvious part of the product. The mark shall indicate the product! b) Product model and product name: c) Product number: d) Manufacturing date (year, year ...
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