The MicroSprint 26 - Specification
Work capacity
Max. Diameter Bar | 26mm |
Max. Diameter in 125mm chuck | 90mm |
Max. Die Head size | 25mm |
Headstock
Spindle | Hardened and Ground |
Hole through spindle assy. | 32mm |
Spindle bearings front and rear | Angular contact, matched pairs |
Spindle bearing diameter, front | 70mm bore |
Spindle nose | A2-4 BS. 4442 fitted with sleeves and nosecap to accept T980 series multibore collet as standard. Spring collet systems available |
Spindle drive
Type | Poly-vee belt drive from DC variable speed motor |
Spindle speeds | 50, 60, 70, 85,100,120, 140, 170, 200, 240, 290, 350, 420, 500, 600, 700, 850,1000, 1200, 1450, 1720, 2000, 2500, 3000, 3500 (All available within a single program) |
DC motor power | 6.45 kW continuous rated |
DC motor type | 112 frame shunt wound with field control and tacho |
Power supply
Electrical rating | 415/440 volts, 3 phase, 50 hertz or as appropriate to local supply |
Power requirement | 9.5 kW continuous |
Turret
Number of faces | 6, random index, unidirectional |
Indexing time (max.) | 1.2 sec. stn to stn; 2.5 sec. stn 1 to 5 |
Dia of tool holes | 25.4mm |
Centre of holes to top of slide | 70mm |
Turret slide
Max. effective working stroke | 200mm |
Max. movement | 200mm |
Feedrate range, stepless | 0-2500mm/min |
Number of feeds | Infinite, forward or back |
Rapid traverse rate | 8000mm/min |
Drive | Recirculating ballscrew driven by DC servo motor via toothed belt |
Max. thrust | 8000 Newtons (1,798lbf) |
Cross slides
Type | High thrust independent, two |
Slide drives | Hydraulic/pneumatic cylinder |
Max. thrust | 4830 Newtons (1086 lbf) |
Tool size | 12.7mm |
Max. distance between posts | 170mm |
Back feeding | Programmable on both slides |
Slide stroke to centerline | 76mm |
Feedrate range, stepless | 0-2000mm/min |
Rapid traverse rate | 6000mm/min |
Overhead slide
Type | Vertical 90° for recess/part off |
Slide drive | Hydraulic/pneumatic cylinder |
Max. thrust | 4830 Newtons (1086 lbf) |
Tool size | 12.7mm |
Stroke | 76mm |
Tool post to centerline, max. | 85mm |
Longitudinal adjustment | 15mm |
Feedrate range | 0-2000mm/min |
Rapid traverse rate | 6000mm/min |
Lubrication
Spindle | Greased for life with Kluber Isoflex |
Slideways, index bolt and turret | 13 point automatic lubrication capacity 0.5 litres Mobile Vactra 2 or equiv. |
Coolant system
Standard | Centrifugal pump |
Application | Overhead supply and turret nozzles (selected on control panel) |
Flowrate | 25 litres/min |
Reservoir capacity | 75 litres |
Barfeed
Type | Pneumatic double tube, sound attenuated. |
Bar Capacity | 4 to 26mm. dia x 3 metres long |
Air
Supply | 80 p.s.i. (5.62 Kg/cm.sq) |
Consumption typically | 3 cubic ft/min (0.085 cub. m/min) |
Control
Type | Computer Enhanced Turning CET Special purpose system, based upon the INTEL iAPX 188, 16 bit microprocessor with Mylar touch sensitive key panel with vertical line cursor function programming. |
Manual controls | Manual control of all slides, spindle, coolant and turret from control panel |
Data entry | a) Manual by function prompt and numeric keys. Function LED's give visibility of the line being programmed plus two before and two lines after. |
b) By 'teach and learn' using electronic handwheel. | |
Functions controlled | Turret slide; feedrate, check and stop positioning. Datum position. Position of index. |
Sequencing of front, rear and top slides. Selection of spindle speeds and direction of rotation, auxiliary functions, collet operation and dwell times. Simultaneous operation of slides with fully independent overlap. | |
Turret canned cycles | Forward (rapid, feed and dwell); Return; (with or without feed) woodpecker drill; feed bar to stop; tapping. |
Additional features | Quantity counter, diagnostic display. |
Safety
Safety guard | Partially enclosed, sliding with electro-mechanical interlock. |
Spindle brake (failsafe) | Integral with spindle motor, stops within 1.5 secs from 3500 rpm. |
Machines incorporate safety and design features, safety devices, guarding arrangements and are supplied with such information as to their safe operation and use, that we believe, so far as is reasonably practical, they are safe and are in compliance with the legal requirements of the Health and Safety at Work etc Act 1974