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.
Advantages:
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 |
DEFAULT SET:
OPTIONS BY CUSTOMER REQUEST: