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male H.H. Roberts Machinery Limited
1324 Matheson Blvd E., Mississauga, Ontario, Canada. L4W-2Z7, Fax 905-624-9065
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Freeport 10" x 20" to 16" x 40" Surface Grinders
SD Series Digital ( CNC ) Control

Freeport sgs-1224sd02 CNC surface grinder  
       Download the catalog   pdf icon
Click here to see the page with larger CNC surface grinders
View a video on the Freeport double column surface grinders. Well produced and in English)
This shows grinding on several different models of the double column machines.  Work shown includes flat thin plates, bases, columns and tables of machining centers, V-bed lathes, boring mill sub-tables etc.
Click on the icon below.
video on Freeport double column grinders
 
Sunny-Freeport 20 x 40 CNC surface grinder
 

SGS-1020-SD
SGS-N1224-SD
SGS-1224-SD
maximum surface grinding area
254mm x 508mm
10" x  20"
304mm x 609mm
12" x 24"
304mm x 609mm
12" x 24"
working surface of table.
230 x 500 mm
9.1" x 19.7"
260 x 600 mm
10.2" x 23.6"
260 x 600 mm
10.2" x 23.6"
max. horizontal travel of table.
565mm
22.2"
690mm
27.2"
690mm
27.2"
max. cross travel of table.
263mm
10.4"
313mm
12.3"
332mm
13.1"
table surface to spindle center
500mm
19.7"
600mm
23.6"
table speed
5~25M/min      200~1000 inch/min
automatic cross feed of saddle
0~9mm    0"~0.35"
vertical handwheel (1 div)
0.01mm    0.0005"
vertical handwheel (1 rev)
2mm     0.1"
cross feed handwheel (1 div)
0.01mm    0.005"
cross feed handwheel (1 rev)
4mm   0.2"
downfeed micro adjustment (1 div)
-0.001mm  0.00005"
longitudinal travel adjustment
50~508mm   2" x 20"
50~609mm   2" x 24"
cross feed travel adjustment
0~254mm  0"~10"
0~304mm  0"~12"
spindle motor
3HP
5HP
hydraulic pump motor
2HP
2HP
cross feed motor
40W
grinding wheel (OD x T x ID)
205 x 13 x 31.75mm
8" x 0.5" x 1.25"
355 x 32 x 127mm
14" x 1.25" x 5"
spindle speed
3500 RPM
1750 RPM
coolant motor
1/8 HP
dust collector motor
1/2 HP
net weight
1,350 kgs
2,970 lbs
1,400 kgs
3,080 lbs
1,850 kgs
4,070 lbs


SGS-1230-SD
SGS-1632-SD
SGS-1640-SD
max surface grinding surface area
304mm x 762mm
12" x 30"
406mm x 812mm
16" x 32"
406mm x 1016mm
16" x 40"
working surface of table
260 x 750mm
10.2" x 29.5"
400 x 800mm
15.7" x 31.5"
400 x 1000mm
15.7" x 39.4"
max. horizontal travel of table.

840mm  33.1"

960mm  37.8"
1160mm  45.7"
max. cross travel of table.
332mm  13.1"
450mm  17.7"
table surface to spindle center
600mm  23.6"
620mm  24.4"
table speed
5~25M/min    200~1000 inch/min
automatic cross feed of saddle
0~9mm 0"~0.35"
0~12mm 0"~0.47"
vertical handwheel (1 div)
0.01mm  0.0005"
0.005mm   0.00025"
vertical handwheel (1 rev)
2mm  0.1"
1mm   0.05"
cross feed handwheel (1 div)
0.01mm  0.005"
cross feed handwheel (1 rev)
4mm   0.2"
downffed micro adjustment (1 div)
-0.001mm
0.00005"
longitudinal travel adjustment
50~762mm
2" x 30"
50~812mm
2" x 32"
50~1016mm
2" x 40"
cross feed travel adjustment
0~304mm   0"~12"
0~406mm   0"~16"
spindle motor
5 HP
10 Hp
hydraulic pump motor
2 Hp
cross feed motor
40 W
downfeed motor
1/4 Hp
grinding wheel (OD x T x ID)
355 x 32 x 127mm
14" x 1.25" x 5"
355 x 50 x 127mm
14" x 2" x 5"
spindle speed
1750 RPM
coolant motor
1/8 HP
dust collector motor
1/2 HP
net weight
1,950 kgs
4,290 lbs
2,800 kgs
6,160 lbs
3,000 kgs
6,600 lbs