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Skew Rolling Mill

Name: China Skew Rolling Mill Manufacturers Suppliers Factory - Customized Skew Rolling Mill Price - Muren
Brand: Muren
SKU: 317418135

Symuren Skew Rolling Mill is designed for producing forged grinding balls from heated round steel bars. It uses inclined helical-groove rolls to continuously deform and form the heated bar into grinding balls in a one-pass rolling process.
Machine configuration is selected according to ball diameter, steel grade, raw material size and required production output.

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Product Introduction

Machine configuration is selected according to ball diameter, steel grade, raw material size and required production output.

Technical Specifications

Actual material utilization depends on billet specification, ball diameter, trimming requirements and process configuration.

Item	Specification
Steel Ball Diameter	Φ20–125 mm, customizable
Typical Steel Grades	65Mn, 60Mn, B2, B3, 40Cr and other alloy steels
Raw Material	Round steel bar
Heating Method	Induction heating
Rolling Temperature	890–1050°C, depending on steel grade and rolling conditions
Production Rate	40–120 balls/min, depending on ball diameter, steel grade, billet size and machine configuration.
Control System	PLC automatic control
Material Utilization	Up to 95%*
Roll Material	High-hardness alloy
Warranty	12 months

Skew Rolling Technology

Inclined Roll Forming: Inclined rolls rotate and guide the heated bar forward while applying radial deformation.

Helical-Groove Forming: Specially designed grooves progressively shape the bar into spherical sections.

Continuous Rolling: Continuous bar feeding allows multiple grinding balls to be formed in a single rolling process.

Process Matching: Ball diameter, bar diameter, steel grade and rolling conditions are matched for stable forming.

How the Skew Rolling Mill Works

The production process consists of four main stages:

Round Steel Bar Feeding
Round steel bars are continuously fed according to the selected ball diameter and production configuration.

Induction Heating
The bar is heated to the required forming temperature before entering the rolling mill.

One-Pass Skew Rolling
The heated bar enters the inclined helical-groove rolls. The rolls rotate, advance and radially deform the material, progressively forming individual spherical sections.

Ball Discharge
The formed hot balls are discharged for subsequent cooling or heat treatment.

Machine Configuration

Component	Function
Rolling Mill Body	Supports the rolling assembly
Helical-Groove Rolls	Rotate, guide and deform the heated bar
Drive System	Provides roll rotation power
Roll Adjustment System	Adjusts the rolling position
Feeding System	Feeds round steel bars into the rolling zone
Induction Heating System	Heats the bar before rolling
PLC Control Cabinet	Controls machine operation
Discharge System	Transfers formed balls to the next stage

Helical-Groove Roll Design

The roll grooves are configured according to the target steel ball and rolling conditions.

Roll Design Factor	Why It Matters
Ball Diameter	Determines groove geometry
Raw Material Diameter	Determines initial forming condition
Steel Grade	Affects deformation and rolling conditions
Rolling Reduction	Influences ball forming and dimensional control
Production Rate	Affects rolling speed and machine configuration

Why Use Skew Rolling for Grinding Balls

Continuous Production: Enables continuous feeding and rolling of round steel bars.

Consistent Ball Geometry: Controlled roll grooves support stable ball dimensions and shape.

High Production Efficiency: Suitable for high-volume grinding ball manufacturing.

Efficient Material Use: Continuous forming helps reduce unnecessary material loss.

Automatic Control: PLC-based control manages key machine operating parameters.

Scope of Supply

The complete configuration can include the rolling mill, roll system, feeding system, induction heating system, PLC control cabinet and discharge system according to the selected production line configuration.

Where Skew Rolled Steel Balls Are Used

The resulting grinding balls are primarily used as grinding media in:
Mining and mineral processing
Cement production
Ore grinding
Ball mills
Other industrial grinding applications

Information Required for Machine Selection

Send these parameters to receive a recommended machine configuration.

Required Information	Example
Ball Diameter	Φ40 mm
Steel Grade	65Mn
Raw Material Diameter	XX mm
Required Capacity	XX t/h
Automation Level	Semi / Automatic

FAQ

Q: Can the skew rolling mill be integrated into an existing grinding ball production line?

A: Yes. The mill can be connected with upstream bar handling and downstream cooling, quenching, tempering, inspection, and conveying equipment according to the existing line layout.

Q: What determines the service life of the rolling rolls?

A: Roll life is mainly affected by rolling load, production volume, material conditions, groove wear, and maintenance practices. Regular inspection helps maintain stable forming performance.

Q: What quality checks are recommended after rolling?

A: Typical checks include ball diameter, roundness, surface condition, and weight consistency. Inspection frequency can be adjusted to production volume and quality requirements.

Q: What utilities are required to install the machine?

A: Installation typically requires electrical power, cooling water, compressed air, and suitable foundations or supporting structures. Exact requirements depend on the final machine configuration.

Q: How is the machine commissioned after installation?

A: Commissioning normally includes mechanical inspection, electrical testing, parameter setup, trial rolling, and process adjustment using the customer's actual raw material.

Q: What spare parts should be prepared for long-term operation?

A: Recommended spares typically include rolling rolls, bearings, seals, electrical components, and other wear parts. The final list should be based on the machine configuration and expected operating conditions.

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