Mello

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linkSpecial Grinding Machines


Grinding Machine for Valve Camshafts

Surface Grinding Machine P812CNC

Mello
CONTACT

P812CNC MODEL
STROKES AND TRAVELS
Lenghtwise stroke - 1220mm
Crosswise stroke - 800mm
Vertical travel - 470mm
GRINDING CAPACITY
Grinding lenght maximum - 1200mm
Grinding width without any grinding wheel width overtravel - 850mm
Grinding width with ¼ of the grinding wheel width overtravel - 825mm
Grinding width with complete grinding wheel width overtravel -750mm
Electromagnetic chuck standard dimensions - 1100 x 600mm
Maximum distance between grinding wheel centre and electromagnetic chuck - 600mm
GENERAL DATA
Grinding wheel dimensions - 457 x 63 x 127mm
Table speed - 22 m/min
Standard grinding wheel motor - 7,5 HP
Special grinding wheel motor - 15 HP
Z and X servo motors - 8 Nm
Minimum vertical and crosswise feeds  - 0,001mm
Net weight with standard attachments - 5500Kg

Machine high stiffness structure;
Wheel spindle assembled in a sealed cartridge with angular contact high precision ball bearings P4 or ABEC 7 standards with permanent special grease lubrication;
Z and Y axes displacement on high accuracy ball leadscrews;
Electronic handwheel for the Z and Y axes;
CNC - Computorized Numerical Control with ISO programming, linear and circular interpolation on two axes and the Mello special grinding software;
Complete electro-electronic panel;
Standard painting with epoxy inks and the standard colours of grey, white and red;

Accuracy according to ISO1986 standard.

01 Electromagnetic chuck 1100 x 600mm, fine pole pitching;
01 Electronic control system for the electromagnetic chuck with variable attraction field and automatic demagnetizing process with decreasing hysteresis cycles;
01 Coolant system;
02 Grinding wheels (AA60K6V and AA46K6V);
02 Grinding wheel hubs, with balancing weights;
01 Grinding wheel hub ejector;
01 Balancing arbor;
01 Balancing stand;
01 Table dressing diamond holder;
01 Dressing diamond 0.5ct MT1;
01 Set of levelling screws and resting pads;
01 Set of service wrenches;
01 Set of spare belts;
01 Instruction, handling and maintenance handbook in English.

01 Lighting device;
01 Sine table 180 x 120mm with a permanent magnetic chuck;
01 Coolant automatic paper filtering system.