This part of GB/T3832 specifies the types and basic dimensions of cylindrical front handles for various internal broaches. This part is applicable to cylindrical front handles for various internal broaches with handle diameter D1 of 4mm to 100mm. GB/T 3832.2-2004 Broach handle Part 2: Cylindrical front handle GB/T3832.2-2004 Standard download decompression password: www.bzxz.net

ICS25.100.25
National Standard of the People's Republic of China
GB/T3832.2—2004
Replaces GB/T3832.2—1983
Broach shanks
Part 2: Cylindrical front shanks
Broach shanks--Part 2 :Round shanksPromulgated on 2004-02-10
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of ChinaStandardization Administration of the People's Republic of China
Implemented on 2004-08-01
GB/T3832 is divided into three parts under the general title of "Broach shanks": Part 1: Rectangular shanks;
Part 2: Cylindrical front shanks;
Part 3: Cylindrical rear shanks.
This part is Part 2 of GB/T3832.
GB/T3832.2—2004
This part is a revision of GB/T3832.2—1983. Compared with GB/T3832.2-1983, the following changes have been made: the title has been changed from "Types and basic dimensions of cylindrical front handles for broaches" to "Broach handles Part 2: Cylindrical front handles"; all article footnotes have been changed to footnotes for drawings; all deviations only list tolerance zone codes.
This part replaces GB/T3832.2—1983 from the date of implementation. This part was proposed by the China Machinery Industry Federation. This part is under the jurisdiction of the National Technical Committee for Tool Standardization. This part was drafted by Harbin No. 1 Tool Factory. The main drafters of this part are Luo Yan, Wang Jiaxi, Yu Jilong, and Wang Yalan. Previous publications of the standards replaced by this part: -GB/T 3832.2—1983.
Broach handle Part 2: Cylindrical front handle
This part of GB/T3832 specifies the types and basic dimensions of cylindrical front handles for various internal broaches. This part is applicable to cylindrical front handles for various internal broaches with handle diameter D of 4mm~~100mm. 2 Types and dimensions
The basic structural types of cylindrical front handles are divided into: -A: without circumferential locating surface;
-B: with circumferential locating surface.
A: without circumferential locating surface;
-B: with circumferential locating surface.
2.1 Type I dimensions
Type I is used for broaches with handle diameters of 4mm≤Di≤18mm, and the dimensions are in accordance with Figure 1, Figure 2 and Table 1. A
a is allowed to be made at 90°.
bL is a reference dimension, and the Di(f8) dimension is guaranteed within the length range of L:. Figure 1 Type I - A: without circumferential locating surface
GB/T3832.2-2004
GB/T3832.2-2004
Allowed to be made into 90°
bL:, L are reference dimensions, and the D, (f8) dimension is guaranteed within the length range of L:. Figure 21 Type -
-B: with circumferential locating surface
Unit is mm
2.2 Type II dimensions
Type II is used for broaches with shank diameters of 8mm≤D, ≤100mm. The dimensions are in accordance with Figures 3, 4 and Table 245
L: is the reference dimension, and the D (f8) dimension is guaranteed within the length range of L:. Type I
A: without circumferential locating surface
L3, L are reference dimensions, and the Di (f8) dimension is guaranteed within the length range of L:. Type
-B: with circumferential locating surface
GB/T 3832.2—2004
GB/T 3832.2—2004www.bzxz.net
Unit: mm
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