Rail Nabla Clip Fastening System
Lub Rail Nabla Clip yog ib qho chaw tiaj tus -section, torsionally- nquag caij nplooj ntoos hlav steel fastener npe rau nws txawv inverted delta (∇) silhouette, engineered raws li cov tub ntxhais elastic tivthaiv nyob rau hauv ncaj fixation fastening systems rau ballastless khiav daim ntaub ntawv. Tsis zoo li cov pa tsheb ciav hlau uas siv qis qis rau ntawm txoj kev tsheb ciav hlau, Nabla Clip tsim ib qho tshwj xeeb nce siab thiab sab hauv clamping vector los ntawm kev koom nrog hauv qab txoj kev tsheb ciav hlau thiab kev thauj mus los rau hauv lub xub pwg nyom uas tau muab tso rau hauv pob zeb pw lossis slab.
Technical Specifications:
| Parameter | Nabla Clip System | SKL Tension Clamp | Fastclip (Pandrol) | E-Clip (Standard) |
|---|---|---|---|---|
| Clamping Force Direction | Upward & sab hauv (uplift) | Downward compression | Downward compression | Downward compression |
| Daim ntawv thov tseem ceeb | Ballastless slab khiav, nroog metro | Ballasted mainline, hnyav-haul | Tag nrho cov chav kawm khiav, siab -ceev | Cov kab thib ob, kho dua tshiab |
| Txoj Kev Txhim Kho | Snap- haum rau hauv lub xub pwg hnab ris | Txiv ntseej torquing (150-250 Nm) | Push-hauv (lub cuab yeej-free/mechanized) | Rauj -hauv lossis pliers |
| Qhov System Interdependency | Siab heev (ib qho system) | Nruab nrab | Nruab nrab | Tsawg |
| Fatigue Lub Neej (cycles) | 3-5 lab | 3-5 lab | 5+ lab | 3-5 lab |
| Khoom Qib | 60Si2MnA, 60Si2CrA | 60 Si 2CrA, 38 Si7 | Caij nplooj ntoos hlav steel alloys | 60 Si2MnA |
| Hardness (HRC) | 42-47 | 42-47 | 42-47 | 42-47 |
| Hluav taws xob Resistance | Ntau dua lossis sib npaug li 1 × 10 ⁸ Ω (nrog insulators) | Ntau dua lossis sib npaug li 5 × 10³ Ω | Ntau dua lossis sib npaug li 5 × 10³ Ω | Ntau dua lossis sib npaug li 5 × 10³ Ω |
| Suab nrov/Vibration Focus | Siab heev (tsim-tseem ceeb) | Nruab nrab | Nruab nrab | Tsawg |
Installation & Maintenance Perspective:
- Inverted Delta Force Inversion:Lub ntsiab lus ∇ geometry tsim ib lub zog siv tshuab qhov twg ntsug deflection ntawm lub clip lub apex generates ob qho tib si upward thrust tiv thaiv rail underside thiab sab hauv traction tiv thaiv lub xub pwg phab ntsa, ua ib tug resultant clamping vector angled ntawm kwv yees li 45 degrees uas optimizes tsis kam mus ua ke ntsug thiab lateral rail rog.
- Torsional Beam Flexure:Tsis zoo li dabtsi yog khoov-tswj clips, lub tiaj tus-section Nabla tsim faib kev ntxhov siab los ntawm torsional deformation raws nws cov caj npab nkhaus, tso cai rau cov elastic deflections ntau dua (feem ntau 9-12mm ua haujlwm ntau) nrog cov khoom siv qis dua, ua rau lub neej qaug zog dhau 3 lab lub voj voog.
Kev Saib Xyuas & Kev Pom Kev Ua Haujlwm
- Tswj Alloy Chemistry:Tsim los ntawm qib siab -qib caij nplooj ntoos hlav steel hlau xws li 60Si2MnA lossis 60Si2CrA, nrog cov pa roj carbon monoxide (0.56-0.64%) thiab silicon (1.60-2.00%) cov ntsiab lus uas muab qhov tsim nyog elastic txwv thiab qaug zog tiv thaiv los ntawm cov khoom siv ntxiv dag zog thiab nplua carbide dispersion.
- Quenched thiab Tempered Microstructure:Cov clips tau txais austenitizing ntawm 850-880 degree, roj quenching, thiab tempering ntawm 420-480℃kom ua tiav cov qauv tempered martensite nrog hardness ntawm 42-47 HRC, ntsuas lub caij nplooj ntoos hlav saj zawg zog nrog kev tiv thaiv mus tas li nyob rau hauv kev txhawb nqa hnyav-haul loads .
Gnee Professional tsum
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