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Thread Rail Track Spike

Thread Rail Track Spike

Standard thread spike, wood, railway accessories production. Level from 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9 and 9.8 on the Richter scale are unlikely. Material basically has: Q235, 35 #, 45 #, 20 mntib, 35 crmo, 40 cr, 42 crmo, surface treatment: ecru rust-proof oil, black, hot dip...

Description

Standard thread spike, wood, railway accessories production.

Level from 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9 and 9.8 on the Richter scale are unlikely.

Material basically has: Q235, 35 #, 45 #, 20 mntib, 35 crmo, 40 cr, 42 crmo, surface treatment: ecru rust-proof oil, black, hot dip galvanized, electric galvanized, dacromet, packing are: woven bag, carton box, beautiful case, iron drum, plastic, wood or customer specified.

StandardProduct typeSurface treatmentLevelRaw material
UIC864-1NF F50-006NF F500-15NF F500-50ISO898-1AS1085.18GB/T3098.1ASTM A66-01/87Ss5,Ss8,Ss23,Ss25,Ss35V20,V23,V261"x 6"15/16"x 6"1"x 5-1/8

As oil

Black oxide

Electric galvanized

Hot dip galvanized

Dacromet etc.

4.6
       4.8
       5.6
       8.8
       10.9

Low carbon steel

Medium carbon steel

Alloy steel

Spike (spike) is used for connecting rail and sleeper or pad and a fastener sleeper.

Usually divided into five kinds: conventional spike, cold spring spike, screw spike, spike, screw spike.

1. Conventional spike formation is also called the dog spike or spike, or plate is mainly used for rail and wooden sleeper.

Conventional spike application rules in Chinese national standard GB 702-72 no. 3, hot rolled steel manufacturing.

Screw rod cross section for the 16 mm per side of the square, nail length is 165 mm.

Spike for mushroom head, a shape at the bottom of the nail head and rail bottom shape.

Screw rod surface should be smooth, flash must not exceed 2 mm, screw rod relative to the screw head of the center line of the displacement degree of not more than 1 mm in any direction.

Screw head jaw and screw rod joint shall not have cracks.

The tip of the spike to chisel, nail fashionable cut across the grain, avoid splitting wood blocking.

Tip for straight line edge, tips are not allowed to have an impact on the use of burr, folding.

Spike surface must not have bubbles and interfere with the use of burnt, crack.

2. Cold spike in material and manufacturing process and is identical to that of conventional spike, screw rod is longer than conventional spike, because its orbit is mainly used for regulation the use of cold injury, cold spike in said.

With the orbital frost damage degree and the cold plate thickness is different, with cold spike length, 185, 185, 230, 255, 280 mm.

3. General use steel no. 3.

Because of its nails with threaded rod surface, therefore calls the thread spike.

The pull-out force of 0.5 ~ 1.0 times larger than ordinary spike, but thrust resistance is about 50% less.

Due to dismantling inconvenient, adjust the gauge is difficult, is generally used in rail.

4. Made from spring steel spring spike with round or square, type a lot, because of its withhold rail part has a certain elastic deformation, can greatly reduce the vibration of the rail, so called spring spike.

When wood blocking the load deformation occurs, the button can still keep enough pressure, the pulling force and pushing force is bigger than conventional spike, but rarely used in China.

Figure 3 is a former federal republic of Germany railway on the most commonly used a spike in the spring.

5. Screw spike for steel and concrete sleeper joins a parts.

Lower part of screw rod thread, upper for bolts.

Screw rod with sulfur anchorage (see sulfur anchorage) fixed in the concrete sleeper hole, the upper bolt used in fixed withhold parts (such as the gusset plate, bar, etc.).


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