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84ST
84STSpcecial features
Centralized Controls (Pendant Mount)
Okamoto Saddle Type Surface Grinders incorporate centralized controls for ease of operation, convenience and safety.
Longitudinal Table Feed
The combination of table dogs and proximity switches in the saddle assures smooth, quiet table reversal and increased operator safety.
Solid State Control
Okamoto Saddle Type Surface Grinders incorporate solid state controls for maximum reliability and accuracy control.
Automatic Lubrication
When the hydraulic pump is started, an oil sump located on the top of the column delivers constant lubrication to all the slide ways and vital machine components.
Automatic Down Feed
Easy reversal of the saddle actuates the automatic downfeed.
Machine Specifications
Capacity |
84 ST |
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(mm)
Maximum Grinding W x L |
805 x 400 | |||
(mm)
Max. Vertical Clearance (205 mm) |
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(mm)
355 mm wheel (50Hz) |
22.5-522.5 | |||
(mm)
305 mm wheel (60Hz) |
47.5-547.5 | |||
(kg)
Table Load Capacity |
700 | |||
Table |
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(mm)
Surface Lengh |
850 | |||
(mm)
Surface Width |
400 | |||
(mm)
Maximum Longitudinal Travel |
950 | |||
(mm)
Maximum Cross Travel |
440 | |||
(mm)
T-Slot (No. x Width) |
3 x 17 | |||
Longitudinal Table Movement |
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(m/min)
Hydraulic Feed |
0.3~25 | |||
(mm)
Hand Feed (per Revolution) |
47 | |||
Cross Movement of Saddle |
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(mm)
Hydraulic Intermittent Feed |
0.5~12 | |||
(m/min)
Hydraulic Continous Feed |
0.2~1 | |||
(mm)
Hand Feed (per Revolution) |
5 | |||
(mm)
Handwheel Graduation |
0.02 | |||
Vertical Wheel head Movement |
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(mm)
Automatic Feed per table Stroke |
0.002-0.03 | |||
(mm)
Automatic Feed per Saddle Reversal |
0.002-0.03 | |||
(mm)
Hand Feed (per Revolution) |
0.5 | |||
(mm)
Manual Micro Feed |
0.002 | |||
(mm)
Handwheel Graduation |
0.002 | |||
mm/min
Rapid Feed (50/60 Hz) |
400/480 | |||
Grinding Wheel |
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Size (D x W x B) |
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(mm)
50 Hz |
355 x 38 x 127 | |||
(mm)
60 Hz |
305 x 38 x 127 | |||
(rpm)
Spindle Speed (50/60 Hz) |
1500/1800 | |||
Motors |
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kW/P
Grinding Wheel Spindle |
3.7/4P | |||
kW/P
Hydraulic Pump |
2.2/4P | |||
kW/P
Vertical Rapid Feed |
0.4/4P | |||
Reservoir Capacity |
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(liter)
Hydraulic Tank |
160 | |||
Floor Space |
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(mm)
Length x Width x Heigth |
3309 x 2234 x 2018 | |||
Weight |
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(kg)
Net Weight |
3200 | |||
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