Automatic Knife Grinder
Video
The automatic blade sharpening machine is used in plastic recycling and pelletizing operations to regrind crusher blades, mainly for flat knives. Over time, blades lose sharpness and cutting accuracy. It sharpens worn blades so they cut cleanly again for uniform pellet size. An automatic grinding feed system guides the grinding wheel across the blade surface with precision. It can correct angle deviations caused by wear, keeping the blade edge aligned and sharp for stable cutting performance.
Specifications
| Model | ||||
| Blade length (mm) | 0-700 | 0-1000 | 0-1500 | 0-1800 |
| Moving Motor Power (W) | 400 | 400 | 400 | 400 |
| Sharpening Motor Power (kW) | 1.1 | 1.5 | 3 | 3 |
| Adjustable Angle (°) | 0-90 | 0-90 | 0-90 | 0-90 |
| Grinding Wheel Size (OD×Thickness×ID) (mm) | 125×90×32 | 125×90×32 | 200×100×32 | 200×100×32 |
| Working Voltage (V) | 380 | 380 | 380 | 380 |
Features
- Suitable for different types of steel knives and cutting tools used in recycling equipment.
- Equipped with position sensing for automatic back-and-forth sharpening.
- Dedicated fixtures allow adjustment of blade or tool angles to match different cutting requirements.
Our factory has over 30 sets of CNC lathes in the production of plastic processing equipment, such as feeding sawing machine, CNC gantry machining center, CNC screw milling machine, CNC deep-hole boring machine, and cylindrical grinder. Meanwhile, with the adoption of more technologies into plastic recycling, CAD/CAM continues to grow in importance. Thus during the whole manufacturing process, our experienced engineers and technicians utilize CAD/CAM engineering approaches to optimize the entire operation. This allows us to supply high quality plastic machinery with optimal performance.