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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 24" x 48"  to   24" x 171"
and
34" x 67"  to  34" x 67" Surface Grinders
Freeport 24 inch x 40 inch CNC surface grinder
Sunny Freeport SGS3488 surface grinder
Showing the Freeport SGS-3488-AHD

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
 
SGS-2248
AH / AHD
SGS-2460
AH / AHD
SGS-2480
AH / AHD
SGS-24100
AH / AHD
Max. grinding surface
     W x L
600 x 1200mm
23.6" x 47.2"
600 x 1500mm
23.6" x 59"
600 x 2000mm
23.6" x 78.7"
600 x 2500mm
23.6",x 98.4"
Working Surface of table. WxL
600 x 1200mm
23.6" x 47.2"
600 x 1500mm
23.6" x 59"
600 x 2000mm
23.6" x 78.7"
600 x 2500mm
23.6" x 98.4"
Max. Horizontal travel of table.
1350mm  53.1"
1650mm65"
2150mm  84.6"
2650mm  104.3"
Max. Cross travel of table.
620mm
24.4"
Table surface to spindle center
850mm
33.5"
Table speed
5~25 M/min
200~1000 inch / min
Automatic cross feed of saddle
0~38mm   0"~1.5"
Vertical handwheel (1 div)
AH      0.002mm     0.0001"
AHD    0.002mm    0.0001"
Vertical handwheel (1 rev)
0.025mm    0.0125"
Cross feed handwheel (1 div)
0.02mm   0.001"
Cross feed handwheel (1 rev)
5mm   0.2"
Longitudinal travel adjustment
150 ~ 1300mm
5.9" ~ 51.1"
150 ~ 1600mm
5.9" ~ 63"
150 ~ 2100mm
5.9" ~ 82.7"
150 ~ 2600mm
5.9" ~ 102.3"
Cross feed travel adjustment
0~600mm  0"~23.6"
Spindle motor
10 Hp  *   15 Hp
Hydraulic pump motor
5 Hp
7 1/2 Hp   * 10 Hp
Cross feed motor
1/4 Hp * 1/2 Hp
Downfeed motor
AHR  1 Hp
AHD     400W   DC SERVO
Grinding wheel (ODxTxID)
510 x 50 x 127mm
20" x 2" x 5"
Spindle speed
1150 RPM Variable speed optional.
Coolant motor
1/8 Hp
Max. load capacity addition to magnetic chuck
1,200 kgs
2,640 lbs
1,200 kgs
2,640 lbs
1,200 kgs
2,640 lbs
1,200 kgs
2,640 lbs
Net Weight
6,500 kgs
14,300 lbs
7,500 kgs
16,500 lbs
8,500 kgs
18,700 lbs
9,500 kgs
20,900 lbs
Gross weight
7,700 kgs
16,940 lbs
8,700 kgs
19,140 lbs
9,900 kgs
21,780 lbs
10900 kgs
23,980 lbs

 
SGS-2412
AH / AHD
SGS-2414
AH / AHD
SGS-24160
AH/AHD
SGS-24180
AH / AHD
Working Surface of table. WxL
600 x 3000
23.6" x 118.1"
600 x 3500
23.6" x 137.7"
600 x 4000mm
23.6" x 157.4"
600 x 4500mm
23.6" x 177.1"
Max. grinding surface WxL
600 x 3000mm
23.6" x 118.1"
600 x 3500mm
23.6" x 137.7"
600x4000mm
23.6" x 157.4"
600 x 4500mm
23.6" x 177.1"
Max. Horizontal travel of table.
3150mm
124"
3650mm
143.7"
4150mm
163.4"
4,650mm
183.1"
Max. Cross travel of table.
620mm
24.4"
Table surface to spindle center
850mm
33.5"
Table speed
5~25 M/min
200~1000 inch/min
Automatic cross feed of saddle
0~38mm
0"~1.5"
Vertical handwheel (1 div)
AH    0.002mm   0.0001"
AHD    0.002mm   0.0001"
Vertical handwheel (1 rev)
0.025mm   0.0125"
Cross feed handwheel (1 div)
0.02mm   0.001"
Cross feed handwheel (1 rev)
5mm   0.2"
Longitudinal travel adjustment
150 ~ 3100mm
(5.9" x 122"
150 ~ 3600mm
5.9" x 141.7"
150 ~ 4100mm
5.9" x 161.4"
150 ~ 4600mm
5.9" x 181.1"
Cross feed travel adjustment
0~600  (0"~23.6")
Spindle motor
10 Hp
15 Hp
Hydraulic pump motor
5 Hp
7 1/2 Hp * 10 Hp
Cross feed motor
1/4 Hp   * 1/2 Hp
Downfeed motor
AHR    1HPx4P
AHD   400W DC SERVO
Grinding wheel (ODxTxID)
510 x 50 x 127mm
20" x 2" x 5"
Spindle speed
1150 RPM Variablespeed optional.
Coolant motor
1/8 Hp
Max. load capacity addition to magnetic chuck
1,800 kgs
3,960 lbs
2,000,kgs
4,400 lbs
2,200 kgs
4,840 lbs
2,400 kgs
5,280 lbs
Net Weight
10,500 kgs
23,100 lbs
11,500 kgs
16,500 lbs
12,500 kgs
27,500 lbs
13,500 kgs
29,700 lbs
Gross weight
12,100 kgs
26,620 lbs
13,100 kgs
28,820 lbs
14,300 kgs
31,460 lbs
15,300 kgs
33,550 lbs

 
SGS-3486-AHD
SGS-3488-AHD
Max. grinding surface WxL
850 x 1,700
 33.5" x 66.9"
850 x 2,200mm
33.5" x 86.6"
Working Surface of table. WxL
850 x 1700mm
33.5" x 66.9"
850 x 2200mm
33.5" x 86.6"
Max. Horizontal travel of table.
1,,850mm     72.8"
2,350mm     92.5"
Max. Cross travel of table.
870mm     34.3"
Table surface and spindle center
950mm     37.7"
Table speed
5~25 M/min
200~1,000 inch/min
Automatic cross feed of saddle
0~38mm  0"~1.5"
Vertical handwheel (1 gra)
0.002mm   0.0001"
Vertical handwheel (1 rev)
0.025mm   0.0125"
Cross feed handwheel (1 gra)
0.02mm   0.001"
Cross feed handwheel (1 rev)  
Longitudinal travel adjustable
150 ~ 1,800mm    5.9" ~ 70.8"
150~2,300mm    5.9" ~ 90.5"
Cross feed travel adjustable
0 ~ 850mm   0" ~ 33.5"
Spindle motor
15 Hp
Hydraulic pump motor
10 Hp
Cross feed motor
1/4 HP *  1/2 Hp
Down feed motor
800W DC SERVO
Grinding wheel (ODxTxID)
510 x 50 x 127mm    20" x 2" x 5"
Spindle speed
1150 RPM Variable speed optional.
Coolant motor
1/8 Hp
Max. load capacity addition to magnetie chuck
1,800 kgs
3,960 lbs
2,000 kgs
4,400 lbs
Net Weight
10,000 kgs
22,000 lbs
11,500 kgs
13,500 lbs
Gross weight
15,300 kgs
33,660 lbs
13,500 kgs
29,700 lbs