Sharpening center sharpening machine KS250-DB

for bladesverticalPLC-controlled

Overview
The KS250-DB grinding machine with mechanical clamping system for doctor blades is designed for re-grinding large daily quantities of doctor blades and other scraping blades used in tissue paper production (toilet paper, paper towels, napkins, facial tissue). The machine is equipped with a Siemens PLC that controls the grinding program and carriage movement for each stage of the working cycle.

Application
Suitable for paper mills and dedicated sharpening centres with high daily throughput of doctor blades. The KS250-DB can grind up to 20 doctor blades simultaneously and handles packed blade stacks (standard up to 25 mm; wider packs available on request).

Technical features

• Grinding motor 7.5 kW with Ø250 mm segment grinding wheel
• Vibration-free, low-noise grinding head and spindle
• Carriage drive via toothed belt for smooth translation
• Carriage runs on lubricated sliding blocks with PTFE sliding surfaces for low friction and high wear resistance
• Hardened, precision-ground carriage guides covered with replaceable steel strips
• High coolant flow with two side nozzles and one central nozzle at the grinding wheel
• Siemens PLC for program and carriage control
• Automatic working cycle and programmable spark-out via PLC
• Adjustable carriage stroke and variable carriage speed from 1 to 30 m/min
• Mechanical clamping for sharpening doctor blades simultaneously in packs up to 25 mm (option up to 45 mm)

Upon request

• Siemens PLC Touch Screen
• Mechanical clamping for packs up to 45 mm

Technical specifications

• Model: KS250-DB
• Grinding motor: 7.5 kW
• Grinding wheel segment diameter: Ø250 mm
• Control: Siemens PLC for program and carriage management
• Carriage speed: variable 1–30 m/min
• Carriage drive: toothed belt
• Sliding blocks: PTFE sliding surface
• Carriage guides: hardened, ground, with replaceable steel strips
• Coolant system: two side nozzles + one central nozzle
• Automatic working cycle and programmable spark-out
• Mechanical clamping: standard pack up to 25 mm (option up to 45 mm)
• Capacity: up to 20 doctor blades simultaneously