CK 500
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CK 500

Grinding machine with PLC control for circular knives and bottom knives

The CK 500 sharpener is very versatile, operation with very short setup times, for the grinding of carbon steel, stainless steel, HSS, solid carbide, knives, and bottom knives, Grinding with emulsion coolant or neat oil. The programming of the machine is extremely simple, by panel PC with touch screen display, and operator interface with guided menu, for entering the working parameters and the operation of the processing.
The CK 500 machine is able to grind batches of knives with unilateral bevel at the same diameter, bottom knives at the same thickness, knives with bilateral bevel and cutting edge centered with the knife body, even at the same diameter if necessary. The control system shows on the display the load current of the grinding wheel spindle motor, the time remaining at the end of the automatic cycle and the total time of the automatic cycle. The CK 500 machine can be equipped with the teleservice program, if required.

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Description

Technical Data

Maximum circular knife diameter 500 mm
Bevel angle da +70° a -10°
Grinding wheel spindle slide stroke 150 mm
Grinding wheels diameter 150 mm
Grinding wheels bore size 20 mm
Grinding wheels speed 4250 rpm
Grinding wheel motor power 1,5 kW
Installed power 4 kVA
Weight 750 kg

Features

  • PLC controlled grinding machine
  • Cabin for full working area enclosure
  • Grinding with emulsion coolant or neat oil
  • Control board equipped with panel PC with 10” (16:9) touch screen display, and USB port for connection of mouse, keyboard, Wi-Fi adapter, flash drive
  • Easy adjustment for bevel angle
  • Quick assembly of circular knife
  • Joystick for manual displacement of the grinding slide, with potentiometer for speed adjustment
  • Ball rail guide of slides for increased accuracy and durability
  • Circular knife spindle with rotation speed digitally programmed and controlled
  • Centralized lubrication with manual pump
  • LED tube lamp for grinding area lighting, degree of protection IP67
  • Interchangeable shaft, to accommodate a suitable knife clamping system
  • Versatility, efficiency, and easy to operate
  • Low and simple maintenance

Standart Software

  • Windows® operative system, with graphic operator interface, menu guidance, machine diagnostic, historical data
    Operator interface in English language
  • Saving of 5000 working programs, and ability to export the saved working programs in a USB device, and to import working programs from a USB device
  • Working cycle for the grinding of unilateral or bilateral bevel knives, and bottom knives, with programming of total stock removal, roughing and finishing in-feeds, sparking out cycle, rotation speeds of the circular knife
  • All machine functions (start/stop motors, knife rotation speeds, alarms, etc.) are controlled by the PLC and the panel PC with touch screen display
  • Automatic cycle repetition, with automatic fast engagement, circular knife/ grinding wheel, and automatic starts of all motors, for grinding batches of unilateral bevel circular knives at a same diameter, bilateral bevel knives with the cutting edge centered with the knife body and at a same diameter if necessary, bottom knives at a same thickness
  • Rotation speed of the circular knife digitally programmable from 5 to 40 rpm for the removal cycle, and from 3 to 55 rpm for the sparking out cycle, and digitally controlled
  • Digital continuous control of grinding wheel spindle motor load current, with interactive ammeter, and selection of intervention if the maximum load current threshold is reached
  • Programming of a new working cycle during the automatic cycle
  • Indication of the time remaining to the end of the automatic cycle, and the total time of the automatic cycle
  • Automatic shutdown of all motors on completion of automatic cycle

Optional Equipment

  • Various types of high pressure coolant facilities and filtering systems
  • Various types of mist extraction units
  • Automatic centralized lubrication
  • Machine status control lamp

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