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FORGE-ROLLER
ETERNAL
Solid forged tapered steel roller, formed in one-piece forging. The metal grain flow runs continuously along the tapered surface.
One-piece Forging Structure: The tapered roller has no welding joints, continuous metal fiber, greatly improves tensile strength, shear resistance and fatigue life.
Precision Taper Machining: Custom taper ratio 1:10, 1:15, 1:20 or custom drawing standard. CNC turning and grinding ensure smooth taper surface, high contact rate and precise positioning.
Strong Load Capacity: The tapered roller is able to bear heavy torque, alternating load and impact load, not easy to slip or deform during long-term operation.
Customized Structure: ETERNAL supports custom roller length, diameter, keyway, flange, step shaft and special transition structure according to customer drawings.
Rigorous Quality Inspection: 100% non-destructive testing (UT / MT), PMI spectrum detection, mechanical property test and dimensional inspection.
Cutting → Upsetting + Drawing out → Post-forging slow cooling / Normalizing → Rough machining → Quenching & Tempering → Semi-finish turning (CNC turning + taper grinding) → Surface treatment → Finish machining (keyway) → NDT inspection → Dimensional / taper inspection → Steel stamping, surface rust protection, MTC .
UT Ultrasonic Testing: Detect internal shrinkage cavities, inclusions and flakes (compliant with ASTM / EN standards)
MT Magnetic Particle Testing: Inspect tapered surfaces and step transitions to screen for surface cracks and laps
Spectroscopic PMI, test & mechanical test specimens (Tensile strength, Yield strength, Elongation, Reduction of area, KV impact)
Taper tolerance, taper contact rate, roundness, straightness and keyway tolerance
Steel stamping marking: Heat number, Batch number, Material grade, Order number for full traceability
Non-ferrous metal finishing mill Tapered work roll for finishing mills of aluminum strip, copper strip, brass & bronze sheet and copper foil.
Thin sheet / strip cold rolling mill For cold rolled thin sheets and precision steel strip mills. The taper design fine-tunes strip flatness. Hard chrome coating resists wear caused by rolling pressure and improves surface finish to produce high-precision metal strips.
Metal foil rolling mill For copper foil and aluminum foil rolling mills. Extremely strict requirements on roll surface roughness, roundness and taper contact rate. The Ra0.35 and tight roundness / runout tolerances shown on drawing fully meet the demands of foil rolling.
Heavy-duty curved belt conveyor (alternative application) 1:20 tapered roller is also applicable for curved belt conveying systems.
