Oscillation Drive Unit for Continuous Casting

Product Specifications

Technical details and manufacturing context for Oscillation Drive Unit

Definition

The Oscillation Drive Unit is a critical component of the Heavy-Duty Continuous Casting Mold Oscillator. Its primary function is to impart a precise, reciprocating motion to the continuous casting mold. This oscillation is essential for preventing the newly solidified steel shell from sticking to the mold's inner walls, ensuring smooth billet/slab withdrawal, improving surface quality, and extending mold life. The unit typically converts rotary input from a motor into the required linear or near-linear oscillatory output. It is designed for the basic metal manufacturing industry, specifically for continuous casting processes. The unit is a component, not a standalone machine, and is intended for integration into a larger mold oscillator system. It is available with a rated torque range of 50–200 N·m, an oscillation frequency range of 0.5–5 Hz, and a stroke length adjustable from 2–10 mm. Positioning accuracy is ±0.05 mm. The unit operates on a three-phase AC supply of 380–480 V (IEC 60038) and consumes 2–10 kW depending on load and frequency. It is designed for an operating temperature range of -10 to 60°C; above 60°C, cooling may be required. The housing offers ingress protection of IP54–IP65 (IEC 60529) and is made of cast iron grade GG25 (DIN 1691). The unit weighs between 150 and 500 kg, which affects installation and structural support. Materials used include alloy steel, cast iron, and bronze bushings. All values are reference ranges and must be verified with the legal manufacturer or supplier for the specific model and application.

Working Principle

The unit operates by converting rotational power from an electric motor into controlled linear oscillation. This is commonly achieved through a crank or eccentric mechanism, often coupled with a lever arm or connecting rod system. The motor's rotation drives the crank, which in turn moves the lever arm connected to the mold table or mold itself, creating a sinusoidal or non-sinusoidal reciprocating motion. The stroke length and frequency are precisely controlled to match the casting speed and steel grade requirements.

Common Materials

Alloy Steel, Cast Iron, Bronze Bushings

Technical Parameters

Parameter	Typical range	Notes & selection driver
Rated Torque	50–200 N·m	Determines mold oscillation amplitude and frequency capability.
Oscillation Frequency	0.5–5 Hz	Typical range for continuous casting molds.
Stroke Length	2–10 mm	Adjustable to control mold oscillation amplitude.
Positioning Accuracy	±0.05 mm	Ensures consistent oscillation pattern.
Supply Voltage	380–480 V AC	Three-phase industrial power.IEC 60038
Power Consumption	2–10 kW	Depends on load and frequency.
Operating Temperature	-10–60 °C	Above 60°C may require cooling.
Ingress Protection	IP54–IP65	Protects against dust and water jets.IEC 60529
Housing Material	GG25	Cast iron for durability in harsh environments.DIN 1691
Weight	150–500 kg	Affects installation and structural support.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Drive Motor
Provides the rotational power input to the oscillation mechanism.

Material: Various (Housing: Cast Iron/Steel)
Eccentric Shaft / Crank
Converts the motor's rotary motion into an eccentric, off-center rotation to generate oscillation.

Material: Forged Alloy Steel
Connecting Rod / Lever Arm Part
Transmits the motion from the eccentric shaft to the mold table or mold holder.

Material: Alloy Steel
Main Bearings Part
Support the eccentric shaft and allow for smooth rotation under heavy load.

Material: Bearing Steel with Bronze/PTFE Liners
Gearbox / Speed Reducer
Adjusts the motor speed to achieve the required oscillation frequency and increases torque.

Material: Cast Iron Housing, Alloy Steel Gears
Oscillation Control System
Sets stroke length and frequency to match casting speed and steel grade.

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Frequently Asked Questions

What is the primary function of the Oscillation Drive Unit?

The primary function is to impart a precise, reciprocating motion to the continuous casting mold. This oscillation prevents the newly solidified steel shell from sticking to the mold walls, ensuring smooth withdrawal and improving surface quality.

What are the typical operating parameters?

Typical reference ranges include a rated torque of 50–200 N·m, oscillation frequency of 0.5–5 Hz, and stroke length of 2–10 mm. Positioning accuracy is ±0.05 mm. These values must be confirmed for the specific model and application.

What materials are used in the construction?

The unit typically uses alloy steel, cast iron, and bronze bushings. The housing is made of cast iron grade GG25 (DIN 1691). These materials are selected for durability in harsh industrial environments.

What are the installation and environmental considerations?

The unit weighs 150–500 kg, so structural support must be adequate. It operates in temperatures from -10 to 60°C; above 60°C, cooling may be required. Ingress protection is IP54–IP65 (IEC 60529), protecting against dust and water jets.

Data Basis

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Preliminary Technical Classification

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pressure:	0 to 10 bar
temperature:	-20°C to 120°C
stroke length:	0 to 30 mm
slurry concentration:	Up to 60% solids by weight
oscillation frequency:	0 to 300 cpm

Oscillation Drive Unit

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