Alloy Steel Log Lub Cev

Ib qho Alloy Steel Log Lub Cev (tseem hu dav dav rau hauv cov tshuab hnyav thiab OEM hloov pauv kev lag luam raws li Lub Cev Lub Cev Lub Cev, Tsav Log Tsis Muaj Lub Cev, lossis Lub Cev Lub Cev Lub Cev) yog ib qho hnyav -lub luag haujlwm, siab -cov qauv kev sib hloov cov khoom tsim los pab txhawb kev loj hlob radial loads, xa cov lus qhia kev tsav tsheb hnyav, thiab kev ua haujlwm siab. Ua los ntawm cov khoom siv zoo tshaj plaws hlau zoo li 34CrNiMo6 thiab raug nruj nruj quenching, tempering, thiab induction hardening, cov khoom no yog tsim los rau kev xav tau siab - kev ua haujlwm kev ntxhov siab xws li steel dov mills, hnyav gantry cranes, thiab cov tsheb loj thauj khoom loj.

 

 

1. Txoj Cai Ua Haujlwm

Load Transmission & Support:

Raws li cov txheej txheem tseem ceeb hauv kev tsav tsheb ciav hlau lossis cov rooj sib tham txawb, Alloy Steel Wheel Lub Cev hloov siab -qhov loj ntawm radial thiab axial loads los ntawm superstructure los yog iav tsav mechanism ncaj qha mus rau rails lossis mating mechanical lem yam tsis muaj deformation mus tas li.

 

Torque & Motion Guide:

Thaum muab kev koom ua ke raws li Gear Wheel Lub Cev lossis Tsav Log Blank, nws tau txais cov tswv yim sib hloov ntawm qhov tseeb -machined bolt voj voog thiab keyways, converting motorized torque rau hauv du linear lossis rotational motion thaum tuav nruj axial alignment.

 

Surface Contact Wear Resistance:

Thaum lub sijhawm ua haujlwm tas mus li, qhov induction- hardened tread nto withstands hnyav rolling kev sib txhuam, localized Hertzian contact stresses, thiab qaug zog hnav tawm tsam siab -hardness steel rails.

 

2. Technical Specifications & Material Chemical & Mechanical Composition

Tsis muaj.	Technical Attribute	Engineering Specification & kam rau ua
1	Khoom Nomenclature	Alloy Steel Log Lub Cev / Machined Log Lub Cev / Crane Log Lub Cev
2	Khoom Qib	34CrNiMo6 lossis cov hlau zoo sib xws
3	Sab nraud Diameter (OD)	Ø570 hli (Kev kam rau siab tswj hauv -0.3 txog -1.5 hli)
4	Lub taub hau	Ø430 h7 rau precision bearing / ncej haum
5	Inner Step / Pilot Diameter	Ø515 h9
6	Bolt Circle Diameter (LK 1)	Ø370 ± 0.2 hli (6x mounting qhov thoob ib ncig)
7	Bolt Circle Diameter (LK 2)	Ø 270 ± 0.2 hli (6x theem nrab mounting qhov)
8	Threaded Mounting Qhov	2x teeb ntawm Ø240 M6 ( kam rau ua -0.008 / -0.037)
9	Zuag qhia tag nrho dav / Thickness	225 hli (DIN 1013 txheem profile)
10	Tread Hardness (Randschichthärtung)	49 ± 2 HRC (Induction nto hardened)
11	Hardening qhov tob (Rht)	Yam tsawg kawg 18 mm
12	Nto Roughness	Ra 1.6 txog Ra 6.3 µm hla cov chaw zaum thiab tread zones
13	Geometric Tolerances	Radial runout 0.032 (Datum A); Axial runout 0.088 (Datum A-B)
14	Unit Qhov hnyav	Kwv yees li . 239.5 kg / thooj
15	Quality & Inspection Standard	100% Dimensional CMM daim ntawv qhia & Ultrasonic Testing (UT) txheeb xyuas

 

Element	Standard Min (%)	Standard Max (%)	Tested tseeb (%)	Metallurgical Function
Cov pa roj carbon (C)	0.30	0.38	0.34	Muab lub hauv paus hardness, tensile zog, thiab hnav tsis kam
Silicon (Si)	0.10	0.40	0.25	Ua raws li deoxidizer; nce elasticity thiab yield zog
Manganese (Mn)	0.50	0.80	0.65	Txhim kho hardenability, sib sib zog nqus hardening, thiab tensile zog
Chromium (Cr)	1.30	1.60	1.45	Enhances hnav tsis kam thiab cov qauv hardenability
Nickel (Ni)	1.30	1.70	1.50	Dramatically txhim kho qis -kub tej yam toughness thiab qaug zog kuj
Molybdenum (hli)	0.20	0.30	0.25	Tiv thaiv temper brittleness thiab nce siab -kub lub zog
Phosphorus (P)	-	0.025	0.015	impurity yam; tswj nruj me ntsis kom tshem tawm cov pob txha tawg
Sulfur (S)	-	0.025	0.012	impurity yam; nruj tswj kom pom kev cuam tshuam ductility
Hlau (Fe)	Tshuav	Tshuav	Tshuav	Primary metallic matrix

 

3. Kev ua haujlwm tsis zoo thiab cov kev daws teeb meem

Qhov tsis zoo 1: Nto spalling lossis micro- tawg ntawm lub log tsheb hauv qab hnyav hnyav.

 

Kev daws: Ua raws li kev soj ntsuam nruj ultrasonic (UT) ntawm raw forgings kom tshem tawm cov kev sib cais sab hauv, thiab tswj cov kev tswj xyuas kom meej induction hardening kom ntseeg tau tias muaj kev hloov pauv seamless ntawm cov ntaub ntawv hardened thiab cov tub ntxhais tawv.

 

Qhov tsis zoo 2: Kev hnav thaum ntxov ntxov lossis xoob ntawm cov kabmob haum thaum lub sijhawm siab - kis tau tus mob.

 

Kev daws: Siv qhov tseeb CNC tiav tho txawv ua raws los ntawm ntau- taw tes cua- ntsuas ntsuas txhawm rau txheeb xyuas qhov nruj ISO h7 kam rau ua, ua kom muaj kev cuam tshuam haum rau kev ncaj ncees raws li thermal expansion.

 

Qhov tsis zoo 3: Radial lossis axial runout tshaj qhov txwv tsis pub, ua rau muaj kev vibration.

 

Kev daws: Siv ntau-axis CNC tig thiab milling chaw nrog kev sib koom ua ke Datum A thiab A-B kev sib dhos clamping txhawm rau ntsuas qhov sib txawv hauv ib qho kev teeb tsa.

 

Qhov tsis zoo 4: Xov stripping lossis shearing ntawm lub voj voog bolt (M6 / M12 tapped qhov) nyob rau hauv hnyav shock loads.

 

Kev daws: Standardize thread-depth machining nrog siab-precision kais profileing, ua raws li 100% xov- ntsuas ntsuas ua ntej los tiv thaiv- xeb roj txheej.

 

Qhov tsis zoo 5: Atmospheric corrosion thaum lub sij hawm thauj dej hiav txwv thiab ntev - lub sij hawm cia.

 

Kev daws: Siv ntau- txheej tiv thaiv txheej nrog rau dewatering xeb- tiv thaiv roj, ruaj ntseg inter- txheej qhwv, thiab ruaj khov ISPM15-raws li fumigated ntoo export crating.

 

4. OEM Brand Alternatives & Mainstream Industrial Applications

Qhov kev cai no -engineered Alloy Steel Wheel Lub Cev ua haujlwm raws li kev poob ncaj qha-nyob rau hauv, siab- hloov tau ntev lossis kev cai OEM lwm txoj rau cov rooj sib txoos hnyav uas tsim los ntawm cov thawj coj hauv ntiaj teb xws li SMS Demag, Danieli, thiab Morgårdshammar.

 

Mainstream Industrial Applications:

Steel Rolling Mill Stand Assemblies (Drive & Work Roll Systems): Ua raws li qhov hnyav hnyav - lub luag haujlwm rolling blocks thiab tsav cov khoom uas tiv taus cov thermal thiab mechanical shocks nyob rau hauv kub thiab txias strip mills.

 

Heavy Overhead Crane & Gantry Systems (Crane Log Lub Cev / Rail Log Lub Cev): Tso rau ntawm siab -tonnage choj cranes thiab hloov tsheb kom nqa ntau-ton payloads raws crane runways nrog tsawg kawg nkaus taug qab.

 

Cov Tsheb Thauj Khoom Siv Hluav Taws Xob & Cov Khoom Siv Hnyav Tsheb Thauj Khoom: Siv tau siab heev -load- bearing Tsav Wheel Blanks hauv metallurgical nroj tsuag rau thauj ladles, slabs, thiab hnyav coils hla lub Hoobkas bays.

 

5. Cov txheej txheem tsim khoom & cov ntsiab lus tseem ceeb tswj

 

 

Kev tsim khoom ntawm lub siab -kev ua tau zoo Machined Wheel Lub Cev yuav tsum muaj kev tswj xyuas nruj me ntsis ntawm metallurgical thiab machining workflow (pov thawj los ntawm tus qauv 30-rau-45-hnub cov sijhawm tsim khoom):

 

Kauj Ruam 1: Ingot Casting & Free Forging (kwv yees . 30} hnub): Raw 34CrNiMo6 alloy steel ingots yog forged nyob rau hauv hydraulic presses nrog siab forging ratios refine grain lug thiab tshem tawm sab hauv porosity.

 

Kauj Ruam 2: Rough Machining (kwv yees . 18} hnub): Tshem tawm cov tawv nqaij forging, pib tig ntawm sab nraud, thiab ua ntej tig ntsej muag.

 

Kauj Ruam 3: Quenching & Tempering (QT Kev Kho Kub Kub, kwv yees li . 7} hnub): Kev kho cua sov kom ua tiav lub zog tensile thiab core toughness.

 

Kauj Ruam 4: Semi-Tiav Machining (kwv yees . 15 hnub): Precision tig ntawm kauj ruam txoj kab uas hla, nrhiav lub xub pwg nyom, thiab ua ntej tho txawv.

 

Kauj Ruam 5: Qhov Drilling & Tapping (kwv yees . 15} hnub): CNC machining ntawm lub voj voog, M6 tapping, thiab tus pin qhov.

 

Kauj Ruam 6: Tread Induction Hardening (kwv yees . 5} hnub): Localized siab -frequency deg hardening kom ua tiav 49 ± 2 HRC nrog nthuav qhia qhov tob 18mm.

 

Kauj Ruam 7: Fine Finishing & Grinding (kwv yees . 10} hnub): Kev sib tsoo zaum kawg ntawm qhov tseem ceeb thiab kev txheeb xyuas qhov ntsuas qhov ntev.

 

Kauj Ruam 8: Kev Tiv Thaiv Painting & Ntim (kwv yees . 7} hnub): Muaj kev tiv thaiv kev tiv thaiv-corrosion txheej thiab robust export ntoo crate ntim.

 

6. Kev Tswj Xyuas Zoo & Cov Qauv Ntsuas

100% CMM Dimensional Verification: Txhua qhov tsim Alloy Steel Log Lub Cev yog nruj me ntsis tshuaj xyuas tiv thaiv kev kos duab kos duab (xws li Ø570, Ø430h7, thiab qhov tob tob).

 

Metallurgical & Hardness Testing: Certified lab kuaj xyuas cov tshuaj muaj pes tsawg leeg conformance rau 34CrNiMo6 thiab nto hardness qhov tob verification.

 

Tsis yog-Kev Ntsuas Kev Puas Tsuaj (NDT): Ultrasonic (UT) thiab Sib Nqus Particle (MT) kuaj yog ua los ntawm raw forgings thiab ua tiav cov kev ntxhov siab tseem ceeb los xyuas kom tsis muaj kev tawg lossis kev suav nrog.

 

Traceability & Documentation: Ua kom tiav cov ntaub ntawv xeem cov ntaub ntawv (MTR), kev kho cua sov nkhaus, thiab cov ntawv tshuaj xyuas xa nrog txhua cov khoom xa tuaj.

 

7. FAQ

Q1: Koj puas tuaj yeem tsim cov log no raws li kev cai OEM kos duab lossis cov qauv txawv teb chaws (DIN / EN)?

 

A: Yog. Peb tshwj xeeb hauv cov khoom tsis yog- tus qauv kev tsim khoom raws li koj qhov kev kos duab kos duab (xws li German / European DIN qauv, khoom siv 34CrNiMo6).

 

Q2: Lub sij hawm ua tus txheej txheem yog dab tsi rau ib pawg ntawm kev lag luam log rollers lossis tsav blanks?

 

A: Standard ntau lawm voj voog rau kev cai batch feem ntau yog li ntawm 8 mus rau 12 lub lis piam, encompassing forging, kho cua sov, precision CNC machining, thiab nruj soj ntsuam.

 

Q3: Koj tuaj yeem lav qhov sib xws hauv qhov tob hardening thiab hardness li cas?

 

A: Peb siv cov cuab yeej induction hardening siab heev nrog kev tswj xyuas qhov kub thiab txias, txheeb xyuas los ntawm kev puas tsuaj / tsis yog -kev ntsuas qhov tob tob ntawm cov qauv daim coupon lossis cov ntawv xeem.

 

Q4: Kev tiv thaiv dab tsi raug coj mus rau thoob ntiaj teb kev xa khoom los tiv thaiv xeb?

 

A: Txhua qhov chaw ua haujlwm yog coated nrog qib siab - qib kev lag luam los tiv thaiv- xeb roj, qhwv hauv cov dej noo- cov yeeb yaj kiab yas, thiab ruaj ntseg ntim rau hauv hnyav - lub luag haujlwm ISPM15-fumigated ntoo export crates.

 

Q5: Cov nqe lus kev lag luam thiab kev xa khoom dab tsi koj txhawb nqa?

 

A: Peb hloov pauv hloov pauv FOB (Shanghai), CIF, thiab DDP cov ntsiab lus raws li Incoterms 2020, txhawb nqa los ntawm tag nrho cov ntaub ntawv xa tawm thiab thib peb -kev txhawb nqa kev soj ntsuam (SGS/BV).

 

8. Npaj txhij los txhim kho koj cov khoom siv tshuab hnyav? Xa koj cov lus nug rau peb hnub no!

Nrhiav rau lub Hoobkas txhim khu kev qha- tus khub ncaj qha rau siab- qhov tseeb Alloy Steel Log Lub Cev, Crane Log Lub Cev, lossis kev cai Tsav Tsav Tsheb? Txawm hais tias koj xav tau kev hloov pauv rau rolling mills lossis hnyav cranes raws li European engineering kos duab, peb pab pawg neeg tsim khoom npaj xa tuaj.

 

Tiv tauj peb hnub no nrog koj cov duab kos thiab cov lus qhia tshwj xeeb rau kev sib tw ceev, kev sib tw Hoobkas!

Cim npe nrov: alloy steel log lub cev, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, customized