What is type WJ-7 rail fastening system
WJ-7 Rail Fastening System, or type WJ-7 rail fastener system. It is designed for ballastless tracks, specifically meeting technical requirements for passenger dedicated lines with various shoulderless and ballastless track configurations. It is tailored for 60 kg/m rail on ballastless sleepers with shoulders.
GNEE is dedicated to supply high-quality and safe rail fastening systems suitable for different rail tracks. Our product range includes the Clip Type Fastening System, SKL Rail Fastening System, KPO Rail Fastening System, Spring Blade Fastening System, and more.
Type WJ-7 rail fastener system components
The components of the WJ-7 rail fastening system include T-bolts, nuts, flat washers, spring bars, insulating blocks, iron pads, insulation cushion pads, under-rail pads, anchor bolts, heavy spring washers, flat washers, and pre-embedded dowels.
|
Serial number |
Name |
Quantity |
Material |
Mass or volume |
Remarks |
|
1 |
T-bolt T1 |
2 |
Q235-A |
0.76 kg |
|
|
2 |
Nut M24 |
2 |
Q235-A |
0.224 kg |
|
|
3 |
Flat Washers |
2 |
Q235-A |
0.138 kg |
|
|
4 |
W1 type elastic bar |
2 |
60Si2MnA |
1.44 kg |
Choose one according to the line resistance. |
|
X2 type elastic bar |
1.22 kg |
||||
|
5 |
WJ7 insulation block |
2 |
Glass fiber reinforced polyamide 66 |
72.6 cm3 |
|
|
6 |
WJ7 iron pad |
1 |
QT450-10 |
10.2 kg |
|
|
7 |
WJ7 insulation cushion board |
1 |
Rubber |
420 cm3 |
|
|
8 |
WJ7-A rubber pad |
1 |
Rubber |
270 cm3 |
The speed is 250km/h for passenger dedicated lines, and one of them is selected according to the specific requirements of line resistance. |
|
WJ7-A composite pad |
Rubber |
270 cm3 |
|||
|
Stainless steel |
0.24 kg |
||||
|
WJ7-B rubber pad |
Rubber |
325 cm3 |
The speed is 350km/h for passenger dedicated lines, and one of them is selected according to the specific requirements of line resistance. |
||
|
WJ7-B composite pad |
Rubber |
325 cm3 |
|||
|
Stainless steel |
0.24 kg |
||||
|
9 |
Anchor bolt B1 |
2 |
Q235-A |
2.20 kg |
|
|
10 |
Heavy duty spring washer 30 |
2 |
65Mn, 60Si2Mn |
0.09 kg |
|
|
11 |
WJ-7 flat pad |
2 |
QT450-10 |
0.50 kg |
|
|
12 |
Pre-embedded casing D2 |
2 |
Glass fiber reinforced polyamide 66 |
200 cm3 |
|
|
13 |
WJ7 rail heightening pad |
|
Polyethylene |
27.7 cm3/mm |
According to the specific situation |
|
14 |
WJ7 iron pad down the high pad |
|
Rubber |
310 cm3/5mm |
According to the specific situation |
Type WJ-7 rail fastening system specification
|
Item |
Quantity |
Material |
|
Rail clip |
2 |
60Si2MnA |
|
T-bolt nut washer |
2 |
Q235A |
|
Rail Insulator |
2 |
PA66 |
|
Tie plate |
1 |
QT450-10 |
|
Insulated buffer plate |
1 |
Rubber |
|
Rail pad |
1 |
EVA, or rubber |
|
Anchor bolt |
1 |
Q235A |
|
Spring Washer |
2 |
60Si2Mn |
|
Plain washer |
2 |
QT450-10 |
|
Plastic dowel |
2 |
HDPE, Reinforced Nylon 66 (PA66) |
GNEE, a trusted WJ-7 rail fastening system supplier
GNEE rail specialized in manufacturing and supplying railway equipments, including WJ-7 rail fastening system type and other railway fastening systems, rail fasteners, rail joints, rail tracks, and fastening system components parts for railway construction. Feel free to conatct us.
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