Surface Grinding Machine P812

Surface Grinding Machine P812

Lenghtwise stroke - 1220mm
Crosswise stroke - 800mm
Vertical travel - 470mm
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
Standard electromagnetic chuck standard dimensions - 1100 x 600mm
Pole pitching of the standard electromagnetic chuck - 6mm
Maximum height between the wheel centre and and electromagnetic chuck - 600mm
Grinding wheel dimensions - 355 x 50 x 127mm
Table speed - 25 m/min
Standard grinding wheel motor - 5 HP
Special grinding wheel motor - 15 HP
Minimum incremental infeed - 0,001mm
Net weight with standard attachments - 5500Kg

Oil-Hydraulic system with variable flow vane pump, electrovalves, hand operated valves, hydraulic piston for the table movement, tubings, couplings and hoses;
Electric automatic system for the crosswise travel;
PLC - Programmable Logic Control;
Automatic reversals on the lengthwise and crosswise travel controlled by proximity switches;
Variable speed lengthwise travel;
Crosswise travel by stepping increases or by continuous mode with variable step dimensions or variable speed;
Rapid vertical travel for positioning of the wheelhead;
Automatic lubrication system controlled by the PLC;
Electronic handwheel for the vertical infeed with 0,001mm divisions;
Handwheel for the crosswise infeed with 0,010mm divisions;
Automatic vertical infeed cycle with two grinding programs, roughening and finishing, the last one with vertical feeds down to 0,001mm each time, sparking-out strokes from 0 up to 10 and automatic return to the initial vertical position ;
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;
01 Hand table displacement 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 1ct MT1;
01 Set of levelling screws and resting pads;
01 Set of service wrenches;
01 Set of spare belts;
01 Complete electric-electronic panel with control desk;
01 Instruction, handling and maintenance handbook in English.

01 Lighting device;
01 Vertical digital read-out with 0,001mm readings;
01 Crosswise digital read-out with 0,010mm readings;
01 Sine table 180 x 120mm with a permanent magnetic chuck;
01 Angle and radius profiling attachment;
01 Automatic dressing cycle, with automatic compensation of the vertical position;
01 Extension of the vertical travel up to 670mm;
01 Automatic paper filter system for the cooling;
01 Total enclosure of the grinding area with mist exhausting.