Harrison M250 - Page 4

2
Machine Spee if ication
280mm (11in) swing Centre Lathe
500mm MODEL - 500mm (20 in) between centres
750mm
MODEL - 750mm (30 in) between centres
This machine is manufactured to British metric standards throughout, and is available in two
bed lengths
Metric
or English gear boxes and drive screws (together with the appropriate micrometer dials) are
optiona l variations.
summarised specification
Centres Height .•..•.......... 145mm (5.7 in)
Admits Between ........ 500mm (20 in)
or ..•..... 750mm (30 in)
Swing Over Bed ............. 280mm (11 in)
Over Cross Slide ......... 178mm (7 in)
Spindle Bored to Pass .......... 35mm (1.375 in)
Nose ....................... D1-3
Morse Taper
ln Nose Bush ............ 3
Speeds Number ........................ 9
50 Hz Range ..........•..... 40 • 1500 rpm
Machines Motor ............... 0.9 kW (1.2hp)
or Range . . ... . .•..... .. . 80 -3000 rpm
Motor ............... 1.3 kW (1.8hp)
or Range ................ 40 • 1500 rpm
Motor (Single Phase) ..... 1 .1 kW (1.5hp)
60 Hz Range ................ 40 • 1500 rpm
Machines Motor ..................... 1.5 hp
or Range ................ 52 • 2000 rpm
Motor . . . . . . . . . . . . . . . . . . . . . 1.5 hp
or Range ................ 52 - 2000 rpm
Motor (Single Phasel ••••• •.• • .• 1.5 hp
Leadscrew Diameter ......•...... 25mm (0.98 in)
Thread ........... 6mm pitch or 4 TPI
Metric Gearbox with 6mm pitch Leadscrew
Threads Metric pitches (33) .... 0.25 - 8mm
English Pitches
(33)* ..• 3- 72 TPI
*(available
by changewheels supplied
as additional equipment)
Feeds Longitudinal (21) .... 0.012 - 0.4mm
Cross (21) ......... 0.006 - 0.2mm
standard equipment
Single Toolpost
Work Driver Plate
No. 5/3 Morse Centre B
us h
2 No. 3 M .T. Centres
English
Gearbox with 4 TPI Lead sc rew
Threads English Pitches (56) .... 4 - 84 TPI
Metric Pitches
· (23)* • .... 0.4 -10mm
•ravailable by changewheels supplied
as additional equipment)
Feeds Longitudinal (24) .. 0.0006 - 0.016 in
Cross (24)
.. 0.0003 • 0.008 in
Bed Width Over Ways ........ 190mm (7.5 in)
Depth Under Headstock .... 230mm (9 in)
Cross Slide Width . . ............. 130mm (5.1 in)
Travel .....•..•.•.... 165mm (6.5 in)
Top Slide Width .•..........••.•• 76mm (3 in)
Travel •....•.....••... 92mm (3.6 in)
Tailstock Guill Diameter .......... 38mm (1.5 in)
Travel . . ...••• • .... • .. 95mm (3.7 in)
Weight 500mm (20 in) Centres .... 356 kg (785 lbs)
750mm (30 in) Centres ... 457 kg (1008 lbs)
Shipping
Data Gross Weight
.... Packing Case Dimensions
L W H
500mm (20 in) Centres
457 kg (1008 lbs) .. 1574 x 838 x 1371mm
(62" X 33" X 54")
750mm (30 in} Centres
559 kg (1232 lbs) .. 1828 x 838 x 1371mm
(72" X 33" X 54")
Spanners, Keys and Oil Gun
Machine Manual
& Standard Inspection Certificate
ll/11 s trat ed or s pecified data is not binding in detail: The mam1fac tur e rs reserve th e
righr to
111 0 Jif y de sign, specification and pri ce without notice.