ML-1740A
FEATURES
Heavy duty geared head; hardened and ground gears.
58mm. 2-1/4inch hole through spindles.
3-point supported spindle using 2 precision taper roller bearings and 1 ball bearing.
12 steps spindle speeds 20 – 2000 rpm. shift in geometric progression.
Forced spray lubrication system used for headstock.
One piece casting base for maximum rigidity.
One shot lubrication pump supply oil cross slide and bed-ways.
Adjustable overload clutch in apron to ensure proper cutting load.
Cross slide screw permanently immersed in oil and supported by thrust bearing.
Quick-change universal gearbox for inch, metric, DP, MP, threading, and multiple thread.
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Technical Specifications
| MODEL | 1740A |
| NOMINAL SIZE | |
| Swing over Bed | 434mm 17in |
| Swing over Cross Slide | 277mm 10-7/8in |
| Height of Center | 217mm 8-1/2in |
| Distance Between Centers | 1000mm 40in |
| BED | |
| Width of Bedways | 300mm 12in |
| Swing over Gap | 630mm 25in |
| Length of gap | 250mm 10in |
| SPINDLE | |
| Spindle nose mounting | D1-6” CAMLOCK |
| Spindle bore | 58mm 2-1/4in |
| Taper of spindle bore | M.T. No.#6 |
| Number of spindle speeds | 12(Variable speed change : 3steps for AV type) |
| Range of spindle speeds | 20 - 2000 R.P.M. (Variable speed change:10-2000R.P.M. for AV type) |
| CARRIAGE | |
| Total travel of cross slide | 235mm. 9-1/4 in |
| Total travel of top slide | 130mm. 5-1/4 in |
| Max. size cutting tool | 25mm x 25mm 1in x 1in |
| TAIL STOCK | |
| Total travel of tailstock barrel | 125mm. 5 in |
| Taper in tailstock barrel | M.T No. #4 |
| Diameter of barrel | Dia. 58mm. Dia. 2-1/4 in |
| THREADS | |
| Lead screw diameter & pitch | Dia. 32mm. pitch 6mm Dia. 1-1/4” 4 T.P.I. |
| Number of inch threads | 48 |
| Range of inch threads | 2 - 72 TPI |
| Number of metric pitches | 48 |
| Range of metric pitches | 0.2 - 14 mm |
| Number of Diametral pitches | 24 |
| Range of Diametral pitches | 8.-.60 D.P. |
| Number of Module pitches | 24 |
| Range of Module pitches | 0.2 - 3.5 MOD. |
| FEEDS | |
| Range of longitudinal feeds | 0.04-1.00mm./rev. 0.0015-0.04in./rev. |
| Range of cross feeds | 0.02-0.50mm./rev. 0.0075-0.02in./rev. |
| MOTOR | |
| Main spindle motor | 3.75KW. 5 HP Electrical Brake |
| Coolant pump motor | 0.09KW. 1/8 HP |
| Machine net weight | 1500 Kgs |
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