Max. grinding length

500 MM

Center
Height

200 / 225 MM

X- Axis Travel path

200 MM

NC Controlled Bore Grinding Machine

MODEL:

Rigid one piece machine bed
Automatic Bore Grinding Cycles
Wheelhead can be swiveled for taper grinding
Automatic lubrication system
Coolant system provided for temperature control during grinding
Easy operation with manual and semi-automatic controls
Suitable for small to higher batch production

Technical Specifications

Model	PMT/1000/250/H
GENERAL
Centre Length	mm	1000
Centre Height	mm	250
Swing Over Table	mm	450
TABLE
Max. Swivel of Table	deg	± 6°
Speed Inf. Variable (Hydraulic traverse)	m/min.	0.1 - 0.5
Guide ways coating	Turcite –B slide way coated on both moveable slides to prevent stick slip motion.
GRINDING WHEEL
Diameter	mm	400
Width	mm	25 to 40
Bore	mm	127
Wheel Speed	rpm	1900 - 2100
GRINDING WHEEL HEAD
Hyd. Rapid Approach / Retraction	mm	50 (Optional- If Required)
Manually feed resolution	mm	0.005 on radius (0.001 mm – Optional)
WORK HEAD
No. of Speeds	Infinitely Variable
Speed Range	rpm	30 - 350
Swivel	deg	0 - 90°
Spindle Nose Taper	MT	4
Infinitely Variable Speed, 3 Phase VFD (Make: Delta / Schneider)	rpm	25 - 350
TAIL STOCK
Centre	MT	4
Quill Travel	mm	25
Max. Weight of Job between Centers	kgs	100
INTERNAL GRINDING ATTACHMENT - OPTIONAL IF REQUIRED
Spindle	mm	Ø 60 X 250 mm	Ø 80 X 250 mm
Spindle Speed	rpm	18000	12000
Minimum Bore & Length can be Ground	mm	Ø20 to 30mm Length	Ø20 to 30mm Length
Maximum Bore & Length can be Ground	mm	Ø100 to 80mm Length	Ø130 to 150mm Length
Motor Power	HP	1	2
Internal grinding attachment fitted with P4 grade matched Pair antifriction Bearings of two pairs, dynamic balanced pulley, and imported endless flat belt without any joint having all safety guards.
Two Quills will be provided with the internal grinding spindle for different size of bore grinding.
PLC CONTROLLED SINGLE AXIS AUTOMATIC IN FEED SYSTEM - OPTIONAL IF REQUIRED
Auto in-feed system	PLC Controlled Auto plunge & auto in-feed system fitted with DELTA touch screen PLC Controller having AC servo motor & servo drive, high precision imported ground ball screw coupled with imported coupling for zero backlash, MPG Wheel & Selector Switch for in-feed rate selection.
Automatic grinding cycle	PLC Controlled Auto plunge and auto traverse in-feed grinding cycle with rough, coarse, fine, spark out & automatic retraction of grinding wheel with automatic size control.
Auto in-feed grinding cycle through DELTA touch screen PLC controller with 0.001mm in feed with servo motor, precision ground ball screw, Imported zero backless coupling.

GENERAL
Admit Between Centre	mm	300/600/800/1000/1250/1500/2000/2500
Centre Height	mm	130 / 150/ 180/ 200 /225/250/300
TABLE
Max. Swivel of Table	deg	± 6° / ± 8° / ± 10° / ± 12°
Speed Inf. Variable (Hydraulic traverse)	m/min.	0.1 - 0.5
GRINDING WHEEL HEAD - UNIVERSAL
Hyd. Rapid Approach / Retraction	mm	25 to 50
Manually feed resolution	mm	0.005 or 0.001
Grinding Wheel Size – OD	mm	300/350/400/500/650/750/800
Motor Power	HP
WORK HEAD
No. of Speeds	Infinitely Variable
Swivel	deg	0 - 90°
Spindle Nose Taper	MT	3 / 4 / 5 / 6
Infinitely Variable Speed, 3 Phase VFD (Make: Delta / Schneider)	rpm	25 - 350
TAIL STOCK – Manual or Hydraulic Operated
Centre	MT	3 /4 / 5 / 6
Quill Travel	mm	25 / 50

Additional specification

INTERNAL GRINDING ATTACHMENT
Spindle	mm	Ø 60 X 250 mm	Ø 80 X 250 mm	Ø 100 X 300 mm
Spindle Speed	rpm	18000	12000	10000
Motor Power	HP	1	2	2
Internal grinding attachment fitted with P4 grade matched Pair antifriction Bearings of two pairs, dynamic balanced pulley, and imported endless flat belt without any joint having all safety guards.
PLC CONTROLLED SINGLE AXIS AUTOMATIC IN FEED SYSTEM
Auto in-feed system	PLC Controlled Auto plunge & auto in-feed system fitted with DELTA touch screen PLC Controller having AC servo motor & servo drive, high precision imported ground ball screw coupled with imported coupling for zero backlash, MPG Wheel & Selector Switch for in-feed rate selection.
Automatic grinding cycle	PLC Controlled Auto plunge and auto traverse in-feed grinding cycle with rough, coarse, fine, spark out & automatic retraction of grinding wheel with automatic size control.
Auto in-feed grinding cycle through DELTA touch screen PLC controller with 0.001mm in feed with servo motor, precision ground ball screw, Imported zero backless coupling.