HK 5-720 T planing head grinding machine
Fully automated with automatic variable carriage feed, automatic spacing, continuously variable rotation speed for grinding disc.

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Special features of the HK 5-720 T
- Automatic indexing unit, attachable to the grinding shaft either on the right or left, via drive coupling.
- Works without indexing disc. Teeth numbers are directly entered into the counter.
- Grinding unit is infinitely rotatable via a fine adjustment, to accurately setting back relief angles on the knifes.
- Grinding disc rotation speed is individually adjustable for carbide and HSS knife sharpening
- Options: knife end stop ruler, hinged, for pre-setting of the planer knife after knife change.
- Grinding disc rotation speed is infinitely adjustable from 2000 to 5000 rpm.
- Recommended speed for Borazon about 4000 rpm. Borazon wheel #50853491 (optional: diamond #50853492), diameter 125mm, bore
- 20 mm Coolant tank and coolant pump are integrated into the machine base.
Features
- Fully automated machine, with automatic variable carriage feed speed, automatic indexing and terminated switch-off controlled via counter.
- Easy relief angle setting by turning the grinding head via a scale, resulting therefore in a correctly set relief angle.
- Automatic regrinding of the planer knife after the grinding procedure, infinitely adjustable.
- Additionally, spark- out travels selected with teeth count number.
- Maximal runout tolerance of 0.01mm measured on the planing head after a correct grinding procedure.
Machine accessories included in the machine price:
wet grinding unit, sliding ruler, mandrel shaft diameter 50 mm
Mounting flange for grinding wheels
Borazon grinding wheel diameter 125 mm (853491)
Set of keys
Protective hood included.
Technical Details
| Planer head diameter: | 120 – 340mm |
| Grinding length: | max. 720mm |
| Grinding shaft: | 50mm |
| Grinding motor: | 1.1 kW |
| Voltage: | 400V, 50Hz |
| Dimensions: | |
| Length: | 1800mm |
| Width: | 1200mm |
| Height: | 1600mm |