Name: Tuam Tshoj Carbon Steel Dog Spike Chaw tsim tshuaj paus Hoobkas - Dawb Qauv - GNEE RAIL
Brand: GNEE
SKU: 300177174

Hauj lwm lawm

Kev tsis

↵Rail Dog Spike Fastening System

Ib tug railway dog spike yog ibforged steel chisel-point fastenertsav los ntawm khi daim hlau rau hauv ntoo sleepers rauthauj tog rau nkoj rail ko taw txoj hauj lwm los ntawm ntoo fiber ntau compression thiab frictional kuj- tshwj xeeb ntawm tag nrho cov tsheb ciav hlau fasteners raws li tustsuas yog khaws cov cuab yeej nrog xoom elastic ntau yam(qhov deformation tas mus li pib tam sim ntawd thaum thauj khoom), lubtsuas yog fastener ntsia los ntawm kev cuam tshuam lub zog ntsuas hauv joules es tsis yog torque lossis geometry, thiab covTsuas yog cov khoom uas nws tuav lub zog txo nrog txhua txoj kev tsheb ciav hlau tseem tseem yog tus qauv thoob ntiaj teb rau 600,000 km ntawm kev lag luam thiab cov cuab yeej cuab tam.

Technical Specifications:

Parameter	Mechanism	Tus nqi / Theem	Txoj kev kuaj xyuas	Qhov tshwm sim
Fiber crushing	Ntoo cell phab ntsa tawg	0.3-0.5 hli pib; 0.05mm / xyoo creep	Rub- tawm kev xeem; ntsuas lub taub hau qhov siab	Progressive ntiv taw sib txawv; hammering tob tob
Lub caij lub taub hau txav	Ntoo hygroscopic cycling	± 3-5 hli txhua xyoo	Visual reference mark	Tsis muaj clamp quab yuam poob; tus cwj pwm zoo
caj pas txiav zawj	Rail ko taw abrasion	0.1–0.3 mm/year; >2.5 mm rau txim	Caliper ntawm khi phaj ntug	Shank tsis muaj zog point; taub hau kev sib cais txaus ntshai
Corrosion txheej	Volumetric xeb expansion	6-8 × ntim nce	Radial sleeper tawg	Pawg tsis ua haujlwm; nyob ib sab spike loosening
Shank seem poob	Pitting corrosion	>20% txo rau txim	Ultrasonic (lab); pom (tag nrho)	Lub taub hau rub los ntawm lub tsheb ciav hlau load
Round vs square shank	Regional standard xauv -in	AS 1085.8 vs AREMA	Pom kev; shank geometry check	100% tsis yog- haum rau khi phaj qhov
Ntev txhais	Tiav vs blank	6 mm txaus siab yog tias tsis sib haum	Daim kab xev ntsuas; kev tshuaj xyuas lub taub hau	Tam sim ntawd rov- tsav tsheb
Carbon ntsiab lus dag	45# vs chav 2	0.42% vs 0.25% C max	OES spectrometer; XRF dig muag	Cov pob txha tawg ntawm -20 degree

Performance Range:

Hygroscopic Dimensional Cycling- Cov ntoo pw tsaug zog o (ntub) thiab ntsws (qhuav). Kev hloov pauv raws caij nyoog: ± 3-5 mm dav lub taub hau qhov siab txheeb ze rau kev tsheb ciav hlau.Tsis muaj lwm yam fastener haum ± 4 hli ntsug pw tsaug zogtsis muaj clamp quab yuam poob - dev spike tsuas yog tog lossis nce nrog ntoo. Qhov kev ua raws li qhov tsis xav tau no tiv thaiv kev tsheb ciav hlau lub rooj zaum.

Thermal conductivity Paradox- Steel spike conducts80 × ntau dua kubdua li ntoo. Hauv cov suab puam khiav (60℃rail, 25℃pw tsaug zog sab hauv), spike ua raws licua txias fin, tsim 8-12℃kub gradient raws shank. Qhov tshwm sim:condensation noo noo zaj duab xisntawm embedded shank nto - corrosion accelerator tsis pom kom txog thaum rho tawm.

Kev Saib Xyuas & Kev Pom Kev Ua Haujlwm

caj pas txiav tus kheej-Ntxoov- Rail foot lateral txav abrades spike shank ntawm khi phaj qhov ntug. Hnav caws pliav tsim0.2-0.5 mm tob. Groove ntug uaua haujlwm- tawv, ntse, chisel-zoo li. Sharpened ntug cestxiav rail ko taw during subsequent lateral movement - bidirectional accelerated wear. Replacement threshold: groove depth >2.5 mm or rail foot notch >1.0 hli.
Corrosion Wedging Action- Rust occupies6-8 × qhov siabntawm niam txiv steel. Shank corrosion nyob rau hauv lub hauv paus cheeb tsam expands,splitting ntoo fibers radially. Split propagates raws sleeper grain 20-50 mm los ntawm spike. Nyob ib sab spikes poob kev txhawb nqa sab nraud; pawg tsis ua haujlwm hauv 6-12 lub hlis. Kev Tshawb Fawb: nplua ntev kab nrib pleb ntawm cov neeg pw tsaug zog nto radiating los ntawm lub taub hau taub hau.