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Hydraulic Surface Grinders

PSG-820 1A/2A/3A

Table uses proximity switch for stepless, side to side speed changes and increased convenience.

Imported motor on Z axis (cross) drive ensures accuracy. (on 2A, 3A, AD only)

Table can switch to manual grinding. For safety, manual grinding and hydraulic control cannot be simultaneously operated.

Full length of slide ways protected from lubricant.

Longitudinal/cross slide ways employ full support design, are precision hand scraped to offer high accuracy and stability on both axes.

Worktable longitudinal and cross feed parallelism. Gauge is fixed in spindle and placed in light contact with worktable. Standard cross feed results below 0.002mm.

Before any machine leaves the factory, it is checked for perpendicularity using a cylindrical angle square.

The new hydraulic box with cooling fan, effectively reduce the impact generated by the temperature rise.


Description PSG-820 1A/2A/3A
General Capacity Table size 200x508mm
Max.grinding length 510mm
Max.grinding width. 210mm
Distance from table surface to spindle center 415mm(PSG)/490mm(APSG)
Longitudinal Movement Manual travel 530mm
Hydraulic travel 508mm
Table speed(approx) 1~25m/min
Cross Feed Movement Manual travel 230mm
Hydraulic Travel 210mm
Continuous feed(approx) 1200mm/min
Handfeed per rev. 5mm
Handfeed per gra. 0.02mm
Intermittent cross feed 0.15-7.5mm
Vertical Downfeed Handfeed per rev 1mm
Handfeed per gra 0.005mm
Rapid feed(3A.AD) (3A)220mm/min
Feed by MPG (opt) per gra. (x1)0.001mm (x10)0.01mm (x100)0.1mm
Grinding Wheel Wheel size
(dia.x width x bore)
Spindle speed(50/60 HZ) 3000/3600rpm
Motors Spindle motor(OPT.) 2HP(3HP)
Cross feed motor 40W
Hydraulic motor 1HPx3P
Elevated motor 25W
Weight   900kg/970kg
Packing size Length x width x height 1750x1300x2100mm