JB/T 9933.2-1999 Accuracy test of small module gear hobbing machine

JB/T 9933.2-1999 This standard is a revision of ZB J56 005.2-88 "Precision of small module gear hobbing machine". The technical content has been changed as follows: - The working precision has been adjusted according to GB/T 2363-1990 and GB/T 10095-1988; - It has been re-edited according to relevant regulations. This standard is part of the JB/T 9933 "Small module gear hobbing machine" series of standards, which includes the following three parts: JB/T 9933.1-1999 Small module gear hobbing machine parameters JB/T 9933.2-1999 Small module gear hobbing machine precision inspection JB/T 9933.3-1999 Small module gear hobbing machine technical conditions This standard specifies the requirements and inspection methods for the geometrical precision and working precision of small module gear hobbing machines. This standard is applicable to small module gear hobbing machines with a maximum workpiece diameter of 125 mm and a maximum module of 1.5 mm. This standard was first issued in April 1988. JB/T 9933.2-1999 Accuracy inspection of small module gear hobbing machines JB/T9933.2-1999 Standard download decompression password: www.bzxz.net

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Machinery Industry Standard of the People's Republic of China
JB/T9933.1~9933.3—1999
Small Module Gear Hobbing Machine
Published on 1999-05-20
State Machinery Industry Bureau
2000-01-01 This standard is a revision of ZBJ56005.2-BB for small-mode gear ratio gears. The technical content of this standard is consistent with that of ZBJ56005.2-BB. The main differences are: 1. According to the new involute cylindrical gear standard (GB/T2363-1990 GB/T10095-198), the T precision is adjusted; 2. The relevant regulations are modified in a shortened manner. This standard is part of the 1B/9933 series of standards for small module gear hobbing machines, which includes the following parts: JB/T9933.1-19 Small module gear hobbing machine running number JB/T9933.2-1999 Small module gear hobbing machine accuracy inspection B9937.3-1999 Small module gear inserting machine technical conditions This standard replaces ZBJ56005.2-88 from the date of implementation. The National Metal Cutting Machine Tool Standardization Technical Committee proposes this standard. This standard is under the jurisdiction of the Instrument Machine Tool Branch of the National Metal Cutting Machine Tool Standardization Technical Committee. This standard is first issued in April 1988.
Standard of the Machinery Industry of the People's Republic of China
Precision Inspection of Small Module Gear Hobbing Machines
This standard specifies the requirements and inspection methods for the geometric precision and working precision of small module gear hobbing machines. JB/T 9933.21999
Represents ZB 156 005.2—88
This standard is applicable to small module gear meat filter machines with diameters up to 125mm and modulus up to 1.5mm. 2 Referenced Standards
The provisions contained in the following paragraphs 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. All parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T2363--1990
GBT10095—1988
Small module involute cylindrical gears
Precision of involute cylindrical gears
GB717421.1—198 General plan for machine tool inspection Part 1: Geometric accuracy of machine tools under no-load or finishing conditions 1.3.1 When using this standard, GB/T 17421.1 should be consulted, especially the temperature rise of the spindle and other components during idling, the inspection method and the inspection temperature. 3.2 During inspection, the actual inspection sequence can be arranged according to the requirements of the inspection tools and inspection convenience, and the heat inspection items. 3.3 When inspecting the precision seat, the test piece should be inspected after the precision rolling. 3.4 When the actual coverage length is different from the length specified in this standard, the difference should be reported in accordance with the provisions of 2.3.1.1 of GB/T17421.1-1998 and converted according to the length that can be measured.
Approved by the State Machinery Industry Bureau [99005-204
2000-01-01
JB/T9933.2-1999
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