Alloy/stainless Steel C45 42CrMo+QT Forged Shaft

1. One-Stop Forge-to-Finish Line

• Open-die: 0.3 – 25 t piraso; Ø 80 – 1 200 mm; haba ≤ 12 m; forging ratio ≥ 3.5
• Heat-treat: normalise, Q+T, induction harden, carburise, nitriding – lahat ay nasa vacuum furnaces
• Machining: 5-axis centers, 4 m VTL, deep-hole gun-drill, spline broach – h6 tolerance, Ra 0.8 µm

2. Saklaw ng Materyal at Mga Katangian

3. Mga Tampok na Napatunayan sa Pagmimina

• Induction hardened shell 54-58 HRC, 6-12 mm depth – shelling life ×3 vs. as-rolled bar
• Deep-hole oil gallery Ø 4 – 25 mm, straightness 0.5 mm / 3 m
• Integral flange o spline forged-in, machining time –30 %
• Ang gitnang lubrication cross-hole ay nagsalubong sa loob ng 0.05 mm ng 5-axis gun-drill

4. Window ng Dimensyon

• Solid shaft: Ø 80 – 1 200 mm × L ≤ 12 m
• Hollow / bored: ID 40 – 600 mm, OD ≤ 1 200 mm
• Roller / axle: Ø 80 – 800 mm × L ≤ 6 m
• Timbang ng yunit: 50 kg – 25 000 kg

5. Kalidad at Sertipiko

• Ultrasonic: SEP 1921 Class C/c, EN 10228-3, ASTM A388
• Straightness: ≤ 1 mm/m; run-out ≤ 0.02 mm pagkatapos ng finish grind
• Pag-apruba ng lipunan: ABS, DNV, BV, LR para sa mga barko sa pagmimina sa malayo sa pampang
• Mga Pamantayan: ISO 9001, PED, CE; PPAP level 3 para sa mga OEM mining truck