Used in small batch and individual production for backing-off of worm-modular milling cutters (single thread and multiple thread, left and right), disc cutters and other tools with teeth, backed off radially, at an angle or along the axis with cutter or grinding wheel.
- ability to manufacture worm milling cutters of class A;
- combining of lathe machining of elements of cutter teeth and finishing grinding of machines milling cutters;
- processing of shaped elements in cam mechanism of different purposes
Specifications Model 1Е811 1Е812 Maximum diameter of workpiece installed above base frame, mm 250 360 Maximum distance between centers, mm 630 Maximum length of carriage travel, mm 600 Maximum tool height, mm 35 43 Dead center in spindle of headstock according to GOST 13214-79 Morse 6 Nominal size of spindle front end according to GOST 12595-72 6К Maximum backing-off travel, mm 20 25 Range of spindle speed, rpm 2-115/2-146 1-56/2-115 Number of backing-off travel values Stepless Teeth processing number limits 1 ... 40 Maximum spindle torque, Nm 2,1/1,68 3,1/2,5 Number of longitudinal feeds 3 Feed limits, mm/rev 0,075-1,2 Limits of cut thread steps: - metric, mm 0,5-250 0,5-360 - modular, mm 0,5-250 0,5-360 - inch, number of threads per inch 28-2 28-2 Limits of spiral grooves steps during backing-off, mm 100 ... 48000 Diameter of hole in spindle, mm 42 Maximum transverse support movement, mm 50 Support rotation angle, deg. ±180 Machine overall dimensions, max, mm: length 2900 2900 width 1750 1850 height 1900 1900 Machine weight (without electrical equipment), kg 3915 4285 Grinding head Maximum diameter of grinded workpiece, mm 180 250 Maximum diameter of grinding wheel, mm 125 150 Number of grinding spindle speeds, 3 Range of grinding spindle speed, rpm 5600... 11200 5000... 10000 Maximum angle of grinded lifting thread, deg. 25 Wheel dressing device Maximum length of dressing line, mm 40 Dividing faceplate Number of processed thread entries 2,3,4,5,6,10,12
- set of change gears;
- set of tools and spare parts for machine maintenance;
- accessory set [rod for fixing mandrels, dead center, driving faceplate, semicenter, mandrels - 27 mm, 32 mm, 40 mm, safety device);
- packing - wooden pallet, polyethylene.
OPTIONS BY CUSTOMER REQUEST:
- grinding head;
- wheel dressing device
- long faceplate;
- rubber anti-vibration supports;