Hydraulic Surface Grinding Machine

MODEL: PMT/250/500/H

MACHINE FEATURES:

Rigid, heavy-duty machine structure for high accuracy and vibration-free operation
Precision ground and hand-scraped slideways for smooth and consistent movement
High-precision spindle with preloaded bearings for superior surface finish
Electromagnetic or permanent magnetic chuck for firm workpiece holding
Automatic longitudinal and cross-feed options for consistent grinding cycles
Designed for high productivity, accuracy, and long-term reliability

Technical Specifications

Surface Grinding Machine – Technical Specifications

SIZE	UNIT	PMT/250/500/H	PMT/250/500/H	PMT/300/600/H
Machining Range
Grinding Length × Width (Max)	mm	500 × 250	500 × 250	600 × 300
Max spindle centre from table surface	mm	480	480	350
Magnetic chuck (L × W)	mm	500 × 250	500 × 250 (Imported)	500 × 250 (Indian)
Weight Carry Capacity	Kgs	150	175	180
Table Movement
Max longitudinal travel	mm	560	600	600
Max cross travel	mm	275	275	340
T Slot (No × width)	mm	1 × 14	1 × 14	1 × 14
Longitudinal Movement
Max Table Speed	M/Min	5 – 25	5 – 25	5 – 25
Auto cross feed at each table reversal	mm/stroke	0.1 – 2.5	0.1 – 2.5	0.1 – 2.5
Manual feed rate per turn	mm	5	5	5
Least Count of Handwheel	mm	0.025	0.025	0.025
Power Cross Traverse	mm/Min	600	600	600
Vertical Movement
Manual feed rate per turn	mm	2.5	2.5	2.5
Least Count of Handwheel	mm	0.01	0.01	0.01
Power Elevation (Rapid Positioning)	mm/min	Manual (Z Rapid on request)	Manual (Z Rapid on request)	Manual (Z Rapid on request)
Grinding Head
Speed of grinding spindle	rpm	2800	2800	2800
Grinding wheel size (OD × W × ID)	mm	200 × 20 × 31.75	200 × 20 × 31.75	200 × 20 × 31.75
Hydraulic System
Hydraulic Tank Capacity	Liters	80	80	80
Hydraulic Power Pack Motor	HP	2 (1400 RPM)	2 (1400 RPM)	2 (1400 RPM)
Working pressure	kg/cm²	20	20	20
Motors
Spindle Motor	HP	2HP, 2800 RPM	2HP, 2800 RPM	2HP, 2800 RPM
Hydraulic Motor	HP	2HP, 1400 RPM	2HP, 1400 RPM	2HP, 1400 RPM
Coolant Motor	W	120–130	120–130	120–130
Cross feed Motor	W DC	80	80	80
Z Rapid	W	Auto 120W / 380	Auto 120W / 380	Auto 120W / 380
Automation / Manual	—	Manual (Auto on request)	Manual (Auto on request)	Manual (Auto on request)
Total Power	HP	4.5	4.5	4.5
Input Power Source	—	415 VAC, 3 Phase	415 VAC, 3 Phase	415 VAC, 3 Phase
Machine Size
Dimensions (L × W × H)	mm	1900 × 1380 × 1720	1900 × 1550 × 1780	1900 × 1780 × 1900
Approx weight	kg	1000	1200	1280
Warranty
On Machine	month	12	12	12
On Controls	month	12	12	12