JB/T 9990.1-1999 This standard is a revision of ZB J41 006.1-88 "Basic types and dimensions of spur bevel gear planing cutters". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard is part of the JB/T 9990 "Spur bevel gear planing cutters" series of standards, which includes two parts: JB/T 9990.1: Basic types and dimensions JB/T 9990.2: Technical conditions This standard specifies the basic types and dimensions of spur bevel gear planing cutters (hereinafter referred to as planing cutters). This standard is applicable to planing cutters with a module ranging from 0.3 to 20 mm and a base of 20°. This standard was first published on the date of the year. JB/T 9990.1-1999 Spur bevel gear planing cutters Part 1: Basic types and dimensions JB/T9990.1-1999 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T9990.1-9990.2—1999
Spur bevel gear precision planing cutter
1999-05-20 Issued
National Machinery Industry Bureau
2000-01-01 Implementation
JB/T 9990.1-1999
This standard is a revision of the basic form and size of 2HJ4006.1-88 spur gear precision planing cutter. During the revision, only the editorial modifications were made in accordance with relevant regulations, and the effective technical content was changed. This standard is a part of the "B/9990 Square Tooth Sprocket Precision Planing Cutter" series of standards. This series of standards includes the following two parts: JB9990.11999 Spur Tooth Sprocket Precision Planing Cutter Part 1: Basic types and dimensions BT9990.21999 Straight Tooth Sprocket Precision Planing Cutter Part 2: Technical Conditions This standard shall replace ZBJ41006 from the date of implementation: B8 This standard is proposed by the National Tool Standardization Technical Committee and is prepared by: Harbin First Tool Factory, Tool Research Institute 1 Scope
Machinery Industry Standard of the People's Republic of China
Straight Bevel Gear Precision Planing Cutter
Part 1: Basic types and dimensions
This standard specifies the basic specifications of Spur Bevel Gear Precision Planing Cutter [hereinafter referred to as Chuang). This standard is suitable for planers with a diameter of 0.3~20mm and a basic tooth shape of 20°. The basic types and sizes of planers are divided into four categories: 1B/T9990.I—199 ZB J41 MG.J88 (2740 (33×75 (43100 type (60×125, 75×25) 2.11 flat (27×40! AA standard for the Ministry of Education and Standardization 15-11. 1375-1 73
25-275
1Recovery number 3.25 is not used as much as possible.
2 (H) teaching estimate is an emergency test position
National Machinery Industry Bureau J999-05-20 approved 2
2000-01-U1 implementation
J1399901—1999
7.2 type (33×75) according to Figure 2 and Table 2 provisions Ar
Input range
0 5-c; 6
1 375~1.75
J.5~(3.75)
1 The efficiency of 3.25 and 3.75 is not used
2: The numerical estimate.
2.3 (43×100) is defined according to resistance 1 and Table 3. Be
Medical list range
1.375-1.75
3.5-43.75)| |tt||Caliber numbers 3.25 and 3.75 may not be used
2 () as the effective parameter value,
JE/T9990.1-1999
2.4IV bullet (60×125, 75×125) according to the provisions of Figure 4 and Table 4 125
conversion number pre-enclosed
3·-(3.25)
3. 1-[3.75]
1 325 and 3.75 are not used as far as possible.
2 () numerical table storage
3 marking examplewwW.bzxz.Net
JB/T9990.1—1999
The marking of the straight gear cutter with module %-3-3.25mm is: Chuang m3-3.251BT9990.1—1999,
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