Chipper knive grinding machine KS250

for straight bladewith magnetic chuckPLC-controlled

Product description The KS250 grinding machine is supplied for grinding lengths from 1000 mm to 7100 mm (longer lengths on request). It has a reinforced machine base and fully covered upper and side guides for high geometric stability. A Siemens PLC controls the grinding program, wheel downfeed and carriage movements to ensure repeatable cycles. The KS250 is designed for industrial straight knives and blades such as chipper knives, granulator blades, veneer knives, guillotine blades and paper knives.

Applications

• Chipper and woodcutting knives
• Granulator and recycling blades
• Veneer and slicing knives
• Guillotine and paper industry blades
• Shearing and special straight knives

Technical features

• Rotating magnetic chuck 0°–90° (standard polarity 20 mm)
• Standard grinding motor 5.5 kW (7.5 HP)
• Segment holding ring diameter Ø250 mm
• Variable carriage speed 1–30 m/min with carriage run adjustment
• Siemens PLC SIMATIC S7-1200 for program and cycle control
• Automatic grinding wheel downfeed and fully programmable working cycle
• Programmable cycles: roughing, finishing, spark-out
• Longitudinal grinding head angle adjustable 0°–3°
• Quick up/down wheel approach and slow downfeed approach
• Separate coolant collection tank with 80 l/min pump

Upon request

• Siemens PLC Touch Screen
• Grinding motor options: 7.5 kW (10 HP), 9.5 kW (13 HP)
• Thin polarity magnetic chuck 12/14 mm
• Quick-change grinding wheel system
• Variable grinding wheel speed
• Slow carriage speed 0.3 m/min
• Angular divisor for magnetic chuck ±90°
• RTS level detector / wheel wear compensation
• Automatic lubrication
• Magnetic coolant cleaner with rotating discs
• Coolant cleaner with paper filter (manual or automatic)
• Additional super-finishing grinding head
• Additional grinding head 3.7 kW (5 HP) with automatic or manual downfeed
• Extraction / aspiration system

Characteristics / Technical specifications

• Model: KS250
• Grinding lengths available: 1000–7100 mm (longer on request)
• Reinforced machine base for maximum stability
• Fully covered upper and side guides
• Siemens SIMATIC S7-1200 control
• Suitable for: chipper knives, granulator blades, veneer knives, guillotine blades, paper knives
• Segment holding ring: Ø250 mm
• Standard grinding motor: 5.5 kW (7.5 HP) — optional 7.5 kW / 9.5 kW
• Carriage speed: 1–30 m/min (option 0.3 m/min)
• Longitudinal head angle: 0°–3°
• Rotating magnetic chuck: 0°–90°, polarity 20 mm (optional 12/14 mm)
• Coolant system: separate tank with 80 l/min pump
• Programmable cycles: roughing, finishing, spark-out