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West Europe
Sales | +32 (0) 475 736 351
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East Europe
Sales | +40 (0) 722 346 170
Administrative | +40 (0) 232 413 061
language support:


E-mail | sales@profimach.com
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PGS AHD Series | Automatic Precision Surface Grinding Machine (3-Axes Automatic)

PGS-2046 AHD

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Specification PGS-2046 AHD

Size of worktable 200 X 460 mm
Table longitudinal travel 510 mm
Table Cross travel 238 mm
Max. distance from spindle center to table surface 450 mm
Electro- magnetic chuck size 200 x 400 mm
Max. load on worktable (include chuck) 120 kg
T-slot (size × nos.) 14 × 3 mm
Table speed (hydraulic) 7 ~ 23 m/min
Grinding wheel size (OD × W × ID) 200×20×31.75 mm
Spindle motor 1,5 kW
Grinding wheel speed 2850 rev/min
Vertical adjustment : scale division on hand-wheel 0,005 mm
Vertical adjustment : full hand-wheel rotation 2 mm
Vertical automatic feed 0,005/0,01/0,02/0,03/0,04/0,05 mm
Vertical rapid feed 460 mm/min
Cross adjustment : scale division on hand-wheel 0,02 mm
Cross adjustment : full hand-wheel revolution 4 mm/rev
Rapid cross feed 990 mm/min
Cross automatic feed 0,1 - 8 mm/stroke
Motor power of hydraulic pump 0,75 kW
Motor power of Cooling pump motor 0,04 kW
Elevating motor 0.5 kW
Total rated power 3 kW
Machine dimensions(LxWxH) 2050x1400x1675 mm
Machine weight 1740 kg

Details PGS-2046 AHD

Automatic Precision Surface Grinding Machine (3-Axes Automatic)
AHD model: hydraulic transmission on longitudinal, auto feed on cross, with pre-programmed, micro-processor controlled vertical down feed, auto down feed, auto sparking, auto lift-off, reset to point of origin.

Great Rigidity, infallible Precision
High efficiency surface grinders are among PROFIMACH’s impressive range of Machine Tools. Like all of PROFIMACH’s products, every single one of their surface grinders are intricately designed to totally accommodate the infinite demands that high mix production places on businesses of any size, no matter how big or small. Featuring high rigidity with PRO/E analytical physics design and endurable mechanical stability, the PROFIMACH surface grinder range is certainly your best companion for high precision surface grinding jobs.

PGS – Surface Grinders Range
These high precision surface grinders have been specially developed and improved in recent years. The optimum span of double V crossfeed guideways is designed based on bending moment, kinematics and supporting force. All essential castings are made of high grade of cast iron that is stress relieved through annealing to eliminate internal stress. With the greatest stiffness and stability of the castings, these machines are suitable for precision surface grinding. These grinders are offered with onefull-year limited warranty for mechanical and electrical parts.

Main Characteristics
All machines are traditional in design with easy access for complete, accurate and efficient control. All models are suitable for toolroom and production work. The longitudinal table movement is hydraulically driven and the cross traverse and wheel head feeds are electrically driven, all with infinitely variable speed control.


Features:
• Compact structure gives the machine small footprint
• Meehanite type, cast iron base
• Fully ribbed column to ensure the highest rigidity
• Hydraulic transmission on longitudinal; manual / automatic vertical feed (see model)
• Easy operation
• Digitally controlled, automatic vertical feed with servo motor (AHD model)
• Rapid feed to height of work-piece, adjustable to finishing and sparking, automatic lift at program end (AHD model only)
• Electromagnetic chuck for work holding
MACHINE STRUCTURE
The highly advanced PSG series of precision surface grinding machines are a result of the ongoing and extensive research and development program at PROFIMACH. In addition to improved accuracy, quality, and machine life, the overall design of the machine incorporates ergonomics; all operating hand wheels, levers, stroke setting devices and the pendant control panel are arranged to allow ease of operation, which increases working efficiency.
Machine Bed


The Profimach PGS Automatic Surface Grinding Machines are produced with highly rigid cast iron body and precision machined and grinded, ensuring maximum rigidity. They are designed to operate with low vibration and high accuracy.
machine bed
machine bed Guideways


Machine Base has extra wide V guideways with great span inbetween and high frequency hardened surfaces, exhibiting outstanding stability during grinding operation. In combination with fine hand scraped slideways, the axis movement guarantees high accuracy and maximum durability. Machine-base slideways are laminated with Turcite-B and precisely hand-scraped, lowfriction slide ways incorporated with an automatic intermittent lubrication system to ensure high accuracy and longer life of slide ways.
Longitudinal table movement


The longitudinal table movement is hydraulically driven. Well designed and carefully assembled Hydraulic unit makes the table move smoothly even at full load. The table guideway system is composed of hardened and ground steel guideways with precision needle roller bearings to provide excellent longevity and low friction, and also to provide precise linear movement without deviation, even during rapid traverse movement.
machine bed
High Precision Spindle type


The spindle is supported by superprecision angular-contact ball bearing. The bearings have been accurately measured, selected and preloaded and then assembled to ensure superior water resistance, longevity grinding accuracy and surface finish. It's assembled in a temperature controlled room to ensure better grinding accuracy and surface finish. The labyrinth seal type structure is designed to offer superior water resistance, increasing the life of the spindle bearings. The spindle is permanently lubricated and requires no maintenance. Spindle motor, spindle shaft, and couplings are precisely balanced to ensure accuracy and superb surface finish.
machine bed
Spindle Elevating Guideway System


The wheel head and column system is composed of hardened and ground inserted steel guideways and precision roller bearings. The wheel head and column guideways are preloaded providing zero clearance for precise straight line movement. The low friction wheel head guideway system enables accurate feeds even at micron level increments.
machine bed
Lubrication unit


Lubrication of all slide ways is done by means of an electronically controlled centralized one-shot lubrication pump unit through metering valves to all the various lubrication points. The lubrication system provides lube oil to saddle, column ways, crossfeed and elevating leadscrews. This system minimizes the wear due to negligent operation, ensuring the machine accuracy and extending the life of machine.
machine bed
Hydraulic station


Independent hydraulic station with cooling unit, keeps the oil stable with small temperature rise and provides enough power for precision grinding.
machine bed
Control panel


Well-designed control panel with two-way rotating structure, helps the operator getting the suitable position very easy, improving work efficiency.
machine bed
Electric Cabinet


The electrical system has been designed according to the CE standard. Safe and reliable electrical control, safety interlocking protection system, all the electro parts are from top producers like SIEMENS (Germany), OMRON (Japan), SCHNEIDER (France). For AHD model, the spindle elevating motor adopt servo motor and is controlled by Siemens PLC.
machine bed
Magnetic chuck


Depending on the workpiece material, the work is generally held by the use of a magnetic chuck. The PROFIMACH PGS surface grinding machines are equipped with a strong magnetic chuck with a unique coil design and leakproof seal for increasing chuck’s life.
electric-cabinet
Coolant system


coolant-system
LED Work light


work-light
Grinding Stone


grinding

PROFIMACH PSG Series Standard Accessories:

• ELECTRO-MAGNETIC CHUCK
• DEMAGNETIZING DEVICE
• GRINDING WHEEL WITH FLANGE
• WORK LIGHT
• BALANCING ARBOR
• PROTECTIVE COVERS
• COOLANT TANK
• DRESSING DIAMOND
• 2-AXIS DIGITAL READOUT (DRO)
• PARALLEL DRESSER
• DRESSING DIAMOND
• MACHINE LEVELING PADS AND FOUNDATION BOLTS
• CENTRAL LUBRICATION
• TOOL KIT
• PLC AUTO GRINDING CONTROLLER (FOR AHD MODEL ONLY)
• OPERATION MANUAL
• CE NORMS
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