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Marmo Meccanica LCR

£159,000.00

+ £3,400 Carriage

The LCR has a unique to marmo meccanica patented cam system, this enables the machine to run much faster, with far less power and with virtually no wear to moving parts when performing pencil rounds, other manufacturers use the old fashioned threaded rod system to move the swinging arm up and down creating much more wear and tear on moving parts.

Our LCR machine will polish at a rate of 0.5 mtr per min for pencil rounds, and 1.0 mtr per min for flat edge and chamfer polish. The machine can still be used even if there are temporary breakdowns on either the pencil round side or flat edge polisher side so you production is not stopped or compromised.

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Overview

  • Full oscillation of mandrels
  • Calibration unit for material thickness control
  • PLC Touchscreen
  • Management of the pneumatic mandrels via touchscreen
  • Diagnostics dial in for anomalies
  • Automatic positioning of the top chamfer mandrels
  • Automatic positioning of the bottom chamfer mandrels
  • Automatic positioning of the calibration unit
  • Underside smoothing mandrel
  • Special bench to process narrow strips
  • Ingoing calibration unit for front edge
  • Zinc coating to main frame
  • 2000mm x 500mm side extension tables x 2
  • Full set of start up abrasives, diamond and traditional
  • Installation and training

The LCR machine is supplied with two units of three counter-oscillating mandrels each, that can carry out spans of about 90° through an original and innovative mechanism invented by MM. That mechanism generates a  natural, harmonious motion. It makes the masses of the two oscillating units balance out each other (and the reversing stresses compensate), thus allowing high oscillating frequencies. Alternatively, the two units of  mandrels can be used in a static way (opposed at 45°), thus performing “classic” flat chamfering.

Briefly described, the LCR structure is composed of:

  • no. 1 INGOING CALIBRATING/DRIP-SIZING UNIT, both crosswise and lengthwise adjustable, to gauge the thickness of the material with a varying depth (max. 6 cm from the edge) or, rotated to the horizontal axis position, for dripstone cutting.
  • no. 7 MANDRELS FOR SMOOTHING AND POLISHING (up to 9 on request), the first of which equipped with a mechanical stop  or diamond tool;
  • no. 2 UPPER AND LOWER 45° CHAMFERING MANDRELS FOR PRECHAMFERING DIAMOND TOOLS, equipped with a mechanical stop, by which it is possible to establish the pencil-round edges dimensions;
  • no. 2 GROUPS OF 3 MANDRELS EACH, COUNTER-OSCILLATING (mechanical stop on the 1st one of each group), for pencil-round chamfers (max. thickness 4 cm) and 45° flat chamfers (max. thickness 6 cm).

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