Advantage of Railway Concret Sleeper: Concrete Sleeper,Railway Concrete Sleeper,Railway Concrete Slab Sleeper,Concret Sleeper For Metro TAICANG ZHONGBO RAILWAY FASTENING CO., LTD. , https://www.railfastener.com
Also called :Concrete Sleeper,Railway Concrete Sleeper,Railway Concrete Slab Sleeper,Concret Sleeper For Metro
High stability
High precision of level
High requirements to track base
Less maintenance
Simple structure
Lower cost and more convenient of transportation of slab sleeper
Type
Axle
Load
The
G.W.
density
per
year
The
highest
passenger
train
speed
The
highest
freight
train
speed
Rail
Type
Gauge
Min.
curve
radius
Length
Width
Height
Weight
Rail
base
slope
End
center
End
center
(t)
(Mt.km/km)
(km/h)
(km/h)
(kg/m)
(mm)
(m)
(mm)
(mm)
(mm)
(kg)
YII-F
25
25~50
≤120
≤80
60/50
1435
≥300
2500
294.5
244.5
230
165
251
1:40
XII
25
25~50
≤160
≤80
60/50
1435
≥300
2500
306.5
246.5
235
175
285
1:40
IIZQ-C
25
25~50
≤160
≤80
60/50
1435
≥300
2500
274.5
274.5
230
221.5
280
1:40
IIIa
25
>30
200
90
70/60
1435
≥300
2600
320
280
260
185
370
1:40
IIIb
25
>30
200
90
70/60
1435
≥350
2600
320
280
235
185
370
1:40
IIIc
25
>30
200
90
70/60
1435
≥300
2600
320
280
260
185
370
1:40
IIIQ
25
25~50
120~160
90
75/60
1435
≥300
2600
320
280
240
195
370
1:40
IIIQa
25
25~50
200
90
60/50
1435
≥300
2600
320
320
240
240
406
1:40
IIIQc
25
25~50
200
90
60/50
1435
≥300
2600
320
320
240
240
406
1:40
KZ
25
25~50
≤160
≤80
60/50
1435
≥300
2500
542
542
205
155
548
1:40
701
25
25~50
200~250
60
1435
≥300
2400
288
255
190
1:40
Wenfu
railI
25
25~50
≥200
60
1435
≥300
2400
288
205
189
1:40
SK-1
25
25~50
200~250
60
1435
≥300
2400
314
225
227
1:40
SK-2
25
25~50
200~250
60
1435
≥300
2400
314
275.5
242
1:40
Plate 1
1435
Plate 2
1435
1:04
Silicon nitride ceramic cutter
The metal cutting industry is a very important sector in the national economy, and it is inseparable from all walks of life. According to the statistics of 1988, the cost of cutting and processing in the United States is as high as 100 billion US dollars per year, of which the cost of cutting tools is 1 billion US dollars. With the development of the new technology revolution, it is required to continuously improve the cutting processing productivity and reduce the production cost, especially the development of CNC machine tools, and require the development of new tools that have higher cutting speed and wear resistance than cemented carbide tools. At present, various new materials that are difficult to cut with high strength, high hardness, corrosion resistance, wear resistance and high temperature resistance are increasing. According to the literature, this kind of material has accounted for more than 40% of the total number of workpieces processed internationally. Carbide tools are difficult to handle many of the new materials. On the other hand, the international production of cemented carbide has reached 1500.