This standard specifies the structural dimensions, technical requirements, test methods, inspection rules, packaging and transportation of crawler shoes for sealed crawler tracks for crawler bulldozers. JB/T 5932.3-1991 Crawler shoes for sealed crawler tracks for crawler bulldozers JB/T5932.3-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Crawler Bulldozer
Track Shoes for Sealed Crawler Tracks
Subject Content and Scope of Application
JB/T5932.3-91
This standard specifies the structural dimensions, technical requirements, test methods, inspection rules, packaging and transportation of track shoes for crawler bulldozers. This standard applies to the combined sealed crawler tracks of JB/T5932.1. 2 Reference standards
Sealed crawler track assembly of crawler bulldozer
JB/T5932.1
ZBJ04006
GB3085
Structural dimensions
3.1 Structural dimensions
Metal Rockwell hardness test method
Metal tensile test method
Metal Charpy (U-notch) impact test methodMagnetic particle inspection method for steel materials
Technical conditions for hot-rolled steel for track shoes
The main dimensions of the track shoes shall comply with the requirements of Figure 1 and Table 1. Figure 1
Approved by the Ministry of Machinery and Electronics Industry on December 17, 1991, and implemented on July 1, 1992
JB/T5932.3--91
460,510,560
510,560,610,660
560.610,660,710
Note: The dimensions in Table 1 are only applicable to track shoes of rolled profiles. 3.2 Marking example
Track plate with track pitch t=203.2mm and track plate width W=510mm: Track plate 203.2X510JB/T5932.3--914 Technical requirements and test methods
4.1 Track plates are made of 40SiMn2 material of GB3085, or other materials that meet the requirements of Table 2. Track plates can also be made of cast steel.
The hardness and mechanical properties of track plates shall meet the requirements of Table 2. Table 2
Rebar surface hardness
Rebar core hardness
Plate surface hardness
Rebar core impact toughnessbzxZ.net
Plate body impact toughness
Plate body tensile strength
Plate body elongation6;
Note, 1) be is the thickness of the rib root,
Technical requirements
35~43HRC
≤29mm
b= 3033
>32HRC
≥28HRC
29~39HRCt
≥29J/em
≥68J/cm*
≥931N/mm
≥13%
Test method
2) When the screw holes of the track shoe are processed by hot punching, the hardness within 6mm around each hole is allowed to be 25~40HRC. Anti-control test
Punching by test selection
Partial enlargement
4.3 The track shoe shall not have cracks, and can be inspected by magnetic particle inspection method (ZBJ04006) or other methods. Inspection location
X point in Figure 2
X in Figure 2: point
X in Figure 2; point
See Figure 2
See Figure 2
There shall be no burrs or burrs on each end surface of the track shoe. Inspection rules, packaging and transportation
JB/T5932.3-91
The factory sampling inspection items, classification and qualified quality level (AQL) of the track shoe shall be in accordance with the provisions of Table 3. The sampling inspection plan shall be in accordance with Article 6.1.2 of JB/T5932.1. The type inspection rules shall be in accordance with Article 6.2 of JB/T5932.1. Table 3
Surface hardness (X,, X,)
Screw hole position dimensions
Other dimensions
The track shoe should be firmly tied when shipped and have anti-rust measures. Other packaging and transportation requirements shall be in accordance with 7.2 to 7.6 of JB/T5932.1. 5.2
Additional Notes:
This standard is proposed and managed by Tianjin Engineering Machinery Research Institute. This standard is drafted by Tianjin Engineering Machinery Research Institute. The main drafter of this standard is Wu Runcai.
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