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HH Roberts Machinery Ltd
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Ecoca 16" universal engine lathe


* High quality meehanite cast bed with induction hardened and precision ground guideways.
* Single speed motor provides power to all gear ranges.
* High stiffness spindle arrangement mounted on high precision taper roller bearings and a single ball bearing rear support.
* High rigidity one piece cast base.
* Adjustable feed clutch on the apron
* Latched, lever operated spindle start / stop.
* Adjustable spindle balancing feature for irregular shaped workpieces.
* High rigidity tailstock.
* Universal gearbox, providing a comprehensive range of inch and metirc threads without changing the end train gears.
* Dial indicator for multi-start threading.
* Automatic STOP OFF device with adjustable saddle stops for turning to shoulders.

 
1630G
1640G
1660G
1830G
1840G
Swing Over Bed
410 mm ( 16" )
460 mm ( 18" )
Swing Over Crosslide
222 mm ( 8 3/4" )
258 mm ( 10 1/5" )
Distance Between Centres
760mm(30")
1016mm(40")
1524mm(60")
760mm(30")
1016mm(40")
Swing Over Gap
620 mm ( 24 3/8" )
670 mm ( 26 3/8" )
Width of Bed
300 mm ( 11 3/4"" )
Spindle Nose
ASD D1-6 ( or ASA A1-6 )
Spindle Bore
58mm ( 2 9/32" )
Taper of Spindle Bore
MT #6
Range of Spindle (r.p.m.)
20 ~ 2000 R.P.M. ( 12 changes )
Inch Threads Range
4 ~ 56 T.P.I.
Metric Threads Range
P0.5 ~ P7
Longitudinal Feeds Range
0.05 ~ 0.82mm ( 0.002" - 0.032" )
Cross Feeds Range
0.02 ~ 0.4mm ( 0.001" - 0.0094" )
Leadscrew Diameter
35mm ( 1 3/8" )
Leadscrew Pitch
6mm ( or 4 T.P.I. )
Taper of Tail Center
MT #4
Tail Spindle Travel
127mm ( 5" )
Tail Spindle Diameter
58 mm ( 2 1/4" )
68 mm ( 2 11/16" )
Main Drive Motor
standard-5HP ( 3.75kw ) options-7 1/2"HP ( 5.62kw )
Coolant Pump
1/8" HP ( 0.1kw )
Floor Space
( L x W x H )cm
190 x 81 x 117
216 x 81 x 117
267 x 81 x 117
191 x 81 x 122
216 x 81 x 123
Packing Dimension
(L x W x H)
198 x 94 x 160
223 x 94 x 160
279 x 94 x 160
198 x 94 x 160
223 x 94 x 160
78" x 37" x 63"
88" x 37" x 63"
110" x 37" x 63"
78" x 37" x 63"
88" x 37"x x 63"
Gross Weight
1550 kgs
1600 kgs
1850 kgs
1600 kgs
1650 kgs

 
1860G
1880G
2040GW
2060GW
2240GW
Swing Over Bed
460 mm ( 16" )
510 mm ( 20" )
560 mm ( 22" )
Swing Over Crosslide
258 mm ( 10 1/5"" )
289 mm ( 11 1/2" )
339 mm ( 13 1/2" )
Distance Between Centres
1524mm(60")
2032mm(80")
1016mm(40")
1524mm(60")
1016mm(40")
Swing Over Gap
670 mm ( 26 3/8" )
725 mm ( 28 1/2" )
785 mm ( 31" )
Width of Bed
300 mm ( 11 3/4" )
350 mm ( 13 3/4" )
Spindle Nose
ASD D1-6 ( or ASA A1-6 )
ASD D1-8 ( or ASA A1-8 )
Spindle Bore
58mm ( 2 9/32" )
82mm ( 3 3/8" )
Taper of Spindle Bore
MT #6
MT #7
Range of Spindle (r.p.m.)
20 ~ 2000 R.P.M. ( 12 changes )
15 ~ 1500 R.P.M. ( 12 changes )
Inch Threads Range
4 ~ 56 T.P.I.
2 ~ 56 T.P.I.
Metric Threads Range
P0.5 ~ P7
P0.5 ~ P14
Longitudinal Feeds Range
0.05 ~ 0.82mm ( 0.002" - 0.032" )
Cross Feeds Range
0.02 ~ 0.4mm ( 0.001" - 0.0094" )
Leadscrew Diameter
35mm ( 3/8" )
38mm ( 1 1/2" )
Leadscrew Pitch
6mm ( or 4 T.P.I. )
Taper of Tail Center
MT #4
MT #5
Tail Spindle Travel
127 mm ( 5" )
165 mm ( 6 1/2" )
Tail Spindle Diameter
58 mm ( 2 1/4" )
75 mm ( 3" )
Main Drive Motor
standard-5HP ( 3.75kw ) options-7 1/2"HP (5.62kw )
standard-7 1/2"HP ( 5.62kw ) options-10HP ( 7.5kw )15HP ( 11.25kw )
Coolant Pump
1/8" HP ( 0.1kw )
Floor Space
( L x W x H )cm
267 x 81 x 123
320 x 81 x 122
229 x 99 x 122
279 x 99 x 122
229 x 99 x 125
Packing Dimension
(L x W x H)
279 x 94 x 160
337 x 94 x 160
238 x 114 x 166
290 x 114 x 166
238 x 114 x 166
110" x 37" x 63"
133" x 37" x 63"
94" x 45" x 66"
115" x 45" x 66"
94" x 45"x x 66"
Gross Weight
1900 kgs
2200 kgs
2150 kgs
2350 kgs
2200 kgs





 
2260G
2280G
2640G

2660G

2680G
Swing Over Bed
560 mm ( 16" )
660 mm ( 26" )
Swing Over Crosslide
339 mm ( 13 1/2" )
433 mm ( 17" )
Distance Between Centres
1524mm(60")
2032mm(80")
1016mm(40")
1524mm(60")
2032mm(80")
Swing Over Gap
785 mm ( 31" )
890 mm ( 35" )
Width of Bed
400 mm ( 15 3/4" )
350 mm ( 13 3/4" )
400 mm ( 15 3/4" )
Spindle Nose
ASA D1-8 ( or ASA A1-8 )
Spindle Bore
82mm ( 3 3/8" )
Taper of Spindle Bore
MT #7
Range of Spindle (r.p.m.)
15 ~ 1500 R.P.M. ( 12 changes )
Inch Threads Range
2 ~ 56 T.P.I.
Metric Threads Range
P0.5 ~ P14
Longitudinal Feeds Range
0.05 ~ 0.82mm ( 0.002" - 0.032" )
Cross Feeds Range
0.02 ~ 0.4mm ( 0.001" - 0.0094" )
Leadscrew Diameter
38mm ( 1 1/2" )
Leadscrew Pitch
6mm ( or 4 T.P.I. )
Taper of Tail Center
MT #5
Tail Spindle Travel
165 mm ( 6 1/2" )
Tail Spindle Diameter
85 mm ( 3 3/8" )
75 mm ( 3" )
85 mm ( 3 3/8" )
Main Drive Motor
standard  7  1/2"HP    options  10HP or 15HP
Coolant Pump
1/8" HP ( 0.1kw )
Floor Space
( L x W x H )cm
279 x 99 x 125
345 x 102 x 125
229 x 99 x 130
279 x 99 x 130
345 x 102 x 130
Packing Dimension
(L x W x H)
290 x 114 x 166
366 x 120 x 166
238 x 114 x 166
290 x 114 x 166
366 x 120 x 166
115" x 45" x 66"
142" x 48" x 66"
94" x 45" x 66"
115" x 45" x 66"
142" x 48"x x 66"
Gross Weight
2400 kgs
2750 kgs
2250 kgs
2450 kgs
2850 kgs