
Single Head Polishing Machine - Conveyor Belt Sander for Metal Finishing
What Is a Single Head Polishing Machine?
A Single Head Polishing Machine, also known as a conveyor belt sander or metal belt grinding machine, is designed for grinding, sanding and surface finishing of compatible metal components.
The machine uses an abrasive sanding belt and a powered conveyor system to move metal workpieces through the polishing area. This process helps smooth rough surfaces, remove selected imperfections and prepare components for further finishing.
It is suitable for metal fabrication workshops, engineering units and industrial manufacturers seeking consistent finishing and improved production efficiency.
How Does a Conveyor Belt Sander Work?
The machine combines an abrasive belt, a motor-driven polishing head and a powered conveyor system.
- Loading: Place the metal workpiece on the conveyor.
- Automatic feeding: The conveyor moves the component towards the polishing head.
- Abrasive finishing: The moving sanding belt contacts the metal surface to grind or smooth it.
- Controlled processing: Adjust the available speed and workpiece positioning according to the application.
- Discharge: The finished component exits the machine for inspection or further processing.
The final finish depends on the metal type, abrasive grit, feed speed and operating settings.
Key Features of the Single Head Polishing Machine
1. Single Head Abrasive Belt System
The machine features one abrasive belt head for grinding, sanding and finishing compatible metal components. Different belt grades can be selected according to material removal and surface quality requirements.
2. Conveyor Feeding System
The powered conveyor moves workpieces through the polishing area, reducing repeated manual feeding and helping streamline repetitive production operations.
3. 150 × 915 mm Sanding Belt
The machine uses a 150 mm wide and 915 mm long sanding belt. Coarser grits are suitable for more aggressive grinding, while finer grits help achieve smoother surface finishes.
4. Polishing Thickness of 1- 80 mm
The machine supports a specified workpiece thickness range of 1- 80 mm, offering flexibility for processing different compatible metal components.
5. Maximum Polishing Width Below 140 mm
The maximum specified polishing width is less than 140 mm. Workpiece dimensions should be checked before processing to ensure compatibility.
6. Separate Motor Drives
The machine features a 2200 W main polishing motor and a separate 120 W conveyor motor. This arrangement powers the polishing mechanism and conveyor feeding system.
Technical Specifications
- Machine Name: Polishing Machine
- Type: Single Head
- Main Supply: 420 V, three-phase, 50 Hz
- Conveyor Supply: 220 V, single-phase, 50 Hz
- Main Motor Power: 2200 W
- Conveyor Motor Power: 120 W
- Polishing Thickness: 1- 80 mm
- Maximum Polishing Width: Less than 140 mm
- Sanding Belt Size: 150 × 915 mm
- Packing Size: 620 × 580 × 720 mm
- Gross Weight: 110 kg
Confirm the rated electrical supply and installation requirements with us before connecting the machine.
Applications of a Single Head Metal Polishing Machine
This conveyor belt sander is suitable for several metalworking applications, including:
- Stainless steel fabrication: Surface preparation and finishing of compatible components.
- Sheet metal processing: Grinding and smoothing suitable metal pieces.
- Engineering workshops: Finishing repeat components before assembly.
- Metal manufacturing: Removing selected surface imperfections and preparing parts for further processing.
- Industrial fabrication: Improving surface consistency on compatible workpieces.
Application suitability depends on the workpiece dimensions, metal type and desired finish.
Benefits of Using a Conveyor Belt Polishing Machine
- Consistent finishing: Controlled feeding and suitable abrasive selection help produce repeatable results.
- Improved workflow: Conveyor feeding reduces repeated manual positioning.
- Flexible applications: Different compatible abrasive belts support various grinding and finishing requirements.
- Separate conveyor drive: A dedicated motor powers the feeding system.
- Practical handling: Defined packing dimensions and gross weight simplify transport and installation planning.
How to Choose the Right Sanding Belt
Choosing the correct abrasive belt is essential for achieving the desired finish.
- Coarse grit: For heavier grinding and material removal.
- Medium grit: For intermediate grinding and surface preparation.
- Fine grit: For surface refinement and smoother finishing.
Aluminium oxide, zirconia and ceramic abrasives may be suitable for different metals and applications. Always verify belt dimensions, joint compatibility and operating speed ratings before installation.
Safety and Maintenance
Follow these precautions to maintain performance and support safe operation:
- Inspect the sanding belt for wear, damage and correct tracking.
- Keep machine guards and protective devices in place.
- Keep hands and loose clothing away from moving belts and conveyor nip points.
- Use appropriate eye, hearing and respiratory protection.
- Provide suitable dust extraction where required.
- Disconnect and isolate the power supply before maintenance or belt replacement.
Always follow the manufacturer's operating and safety instructions.
Frequently Asked Questions
1. What is a single head polishing machine used for?
It is used for grinding, sanding and surface finishing of compatible metal components using an abrasive belt and conveyor feeding system.
2. What is the sanding belt size?
The specified sanding belt measures 150 × 915 mm.
3. What thickness of metal can the machine polish?
The specified polishing thickness range is 1- 80 mm, subject to workpiece compatibility.
4. What is the maximum polishing width?
The maximum specified polishing width is less than 140 mm.
5. What is the motor power?
The main polishing motor is rated at 2200 W, and the conveyor motor is rated at 120 W.
6. What is the electrical requirement?
The main supply is specified as 420 V, three-phase, 50 Hz, while the conveyor supply is 220 V, single-phase, 50 Hz. Confirm these requirements with the manufacturer before installation.
7. Which sanding belt is best for metal polishing?
The best belt depends on the metal and desired finish. Coarse grits suit heavier grinding, while finer grits are used for surface refinement.
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