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KR-1500 Cylinder Head Resurfacing Machine

The KR-1500 is a cylinder head and engine resurfacing machine with a wide processing field.

It offers a useful working stroke of 1500 mm and a variable rotation of 20÷1600 RPM.

The possibility of working both with grinding stones or cutting tool makes the KR-1500 an ideal resurfacing machine for large engine maintenance workshops.

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Made following the traditional construction methods of machine tools, the KR-1500 is placed in the market segment of resurfacing machines for large engine heads and blocks.

CONSTRUCTION FEATURES

The basic structure is entirely made of solid spheroidal cast iron, which gives characteristics of strength and compactness, fundamental for machinery of this type.
Base, column, table and head are the elements that make up the basic structure of the KR-1500 and are therefore made of cast iron.
The sliding of the table on the base takes place on the traditional and tested system of flat guides and prism.
The movement is given by a variable speed gear motor, which acts directly on the ball screw and which allows the table to be moved.
The coupling between the column and the head takes place on dovetail guides, and the vertical displacement is also given by a ball screw.

WORKING CAPACITY

The large surface of the table and the useful working stroke, combined with the construction characteristics previously described, allow the resurfacing of heads and blocks of large engines.
To allow the processing of very large blocks, it also favors the useful distance between the table top and grinding stones which is a good 800 mm in height.
The KR-1500 also allows the operator to manage the cutting and feed speeds of the table, thus offering greater customization of settings during the grinding operation.

PROCESSING METHOD

The working potential of the KR-1500 is further extended thanks to the possibility of using both the grinding segments with coolant or the brazed carbide tool supplied.
To meet the demands of the most demanding grinders, the KR-1500 can be further equipped with cutter plate and cartridges for PCD and CBN inserts.

CONTROLS

The control panel is positioned on an adjustable arm and easily accessible by the operator who can have access to all the drives.
On the control panel there are:

  • Wheel rotation start button
  • Wheel rotation stop button
  • Wheel speed adjustment knob
  • Wheel rotation speed digital display
  • Coolant pump start button
  • Coolant pump stop button
  • Right table movement push button
  • Left table movement push button
  • Stop table push button
  • Table feed speed adjustment knob
  • Digital display of table feed speed
  • Rapid table movement button
  • Table feed mode selector
  • Emergency stop button
EQUIPMENT AND ACCESSORIES

The resurfacing and milling machine for cylinder heads and engine blocks KR-1500 is supplied with an interesting standard equipment that makes it immediately usable.
Additional optional accessories can be added to make the KR-1500 an even more performing machine.

TECHNICAL DATA
Table surface 1290 × 220 mm
Useful table surface 1500 mm
Max. traversal table travel 1650 mm
Table variable feed speed 0 ÷ 2000 mm/min
Max. distance table – grinding wheel 800 mm
Grinding wheel diameter Ø 410 mm
Distance column guides – table center 325 mm
Grinding wheel variable rotation speed 20 ÷ 1600 RPM
Rapid head feed speed 1000 mm/min
Grinding wheel motor power 4,1 kW
Table motor power 0,56 kW
Electric pump power 0,09 kW
Head rapid feed motor power 0,56 kW
Dimensions 277 × 110 × 200 cm
Weight 1500 Kg
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STANDARD EQUIPMENT
  • Nr. 2 pair of parallel supports height 55 mm and 120 mm
  • Nr. 4 adjusting flanges
  • Nr. 8 adjustment screws
  • Dial gauge with support arm
  • Device for wheel balancing
  • Nr. 2 brazed tools for hard metal
  • Set of ginding stones
  • Cooling system
  • Bench guides lubrication oil (1 Lt.)
  • Emulsifiable grinding liquid (1 Lt.)
  • Protection screen with sliding doors
  • Set of service tools
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KR-1500 CYLINDER HEAD AND BLOCK RESURFACING MACHINE

OPTIONAL AND ACCESSORIES
  • 12“ CBN insert
  • 12“ PCD insert
  • 12“ CBN and PCD insert-holder cartridge
  • Ø 410 mm (Ø 16“) cutter plate for 12“ CBN and PCD
  • Adjustable multi-angle universal fixture with steel plate
  • Adjustable universal fixture with parallels
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