Centerless Grinding Polishing Machine

Publish time：2026-06-13 15:21:51 Popularity：613 Source：鑫艺达股份

I. Product Introduction

The Automatic Centerless Belt Polishing Machine is specially designed for the surface finishing of round tubes and cylindrical workpieces. Utilizing a centerless positioning structure combined with multiple abrasive belt stations for continuous processing, the machine can complete rust removal, grinding, satin finishing, and mirror polishing in a single operation.

With stable performance and consistent surface quality, it is widely used for the mass production of stainless steel tubes, copper tubes, aluminum tubes, and other tubular materials.

II. Product Features

Customized processing solutions available for different tube diameters.
Supports both dry and wet polishing processes; equipped with a coolant filtration system.
Capable of achieving low surface roughness and high-quality mirror finishes.
Variable-frequency speed control for stable operation, reliable performance, and easy operation.
Abrasive belts or polishing wheels can be selected according to the required surface roughness and finish quality.
Continuous centerless processing ensures high efficiency and uniform polishing results.
Suitable for automated and high-volume production environments.

III. Technical Parameters

Application Range	External cylindrical grinding and polishing for tubes and bars
Grinding Head Motor Power	7.5 kW × 2 units (each rated at 7.5 kW)
Workpiece Rotation Motor Power	0.37 kW × 2 units (each rated at 0.37 kW)
Working Efficiency	3–10 m/min
Surface Roughness	After grinding: Ra ≤ 0.4 µm; higher mirror finish can be achieved by changing polishing consumables
Grinding Head Speed	1400–2800 rpm (VFD adjustable)
Optional Abrasives	Abrasive belts, flap wheels, nylon wheels, sisal wheels, cloth wheels, etc.
Diameter Range	20–180 mm