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JB/T 5932 consists of the following parts, under the general title Crawler Tractor-dozer — Seal Track:
— Part 1: Assembly;
— Part 2: Link;
— Part 3: Shoe;
— Part 4: Pin and Bushing;
— Part 5: Track Bolt.
This part is Part 5 of JB/T 5932.
This part is drafted in accordance with the rules given in the GB/T 1.1-2009.
This part replaces JB/T 5932.5-1991 Machinery Vibrating Stress Relief Device — Basic Parameters in whole. The following technical deviations have been made with respect to the JB/T 5932.5-1991 (the previous edition):
— adjustment of the Normative References (see Clause 2; Clause 2 of Edition 1991);
— modification of the main dimension drawing of track bolt and deletion of the requirements of surface roughness (see Figure 1; Figure 1 of Edition 1991);
— addition of the requirements of designation and modification of the examples of designation (see 3.2; 3,2 of Edition 1991);
— modification of the hardness requirements of track bolt (see Table 2; Table 2 of Edition 1991);
— modification of the requirements for surface treatment of track bolt (see 4.2; Table 2 of Edition 1991);
— modification of the Inspection Rules (see Clause 5; Table 2 of Edition 1991);
This part was proposed by China Machinery Industry Federation.
This Part is under the jurisdiction of the SAC/TC 334 (National Technical Committee 334 on Earth-moving Machinery of Standardization Administration of China).
The previous editions of the standards replaced by this part are as follows:
— JB/T 5932.5-1991.
Crawler Tractor-dozer — Seal Track — Part 5: Track Bolt
1 Scope
This part of JB/T 5932 specifies the dimensions and designations, requirements, inspection rules, marking and packaging of track bolt for crawler tractor-dozer with thread sizes of M12×1.5 to M30×2.
This part is applicable to the seal track assembly of crawler tractor-dozer.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 90.1 Fasteners — Acceptance Inspection
GB/T 90.2 Fasteners — Marking and Packaging
GB/T 196 General Purpose Metric Screw Threads — Basic Dimensions
GB/T 197 General Purpose Metric Screw Threads — Tolerances
GB/T 1237 Designation System for Fasteners
GB/T 3077 Alloy Structure Steels
GB/T 3098.1 Mechanical Properties of Fasteners — Bolts, Screws and Studs
GB/T 3103.1 Tolerances for Fasteners — Bolts, Screws, Studs and Nuts
GB/T 5779.1 Surface Discontinuities of Fasteners on Bolts, Screws and Studs for General Requirements
GB/T 5779.3 Fasteners — Surface Discontinuities — Bolts, Screws and Studs for Special Requirements
3 Dimension and Designation
3.1 Dimension
The main dimensions of track bolt are shown in Figure 1 and Table 1.
