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Ravi Power Press
Ravi Power Press Link Motion Presses
Ravi Power Press offers a mechanical press in the form of Link Motion Presses, comprising a variable drive arrangement. The press boasts of a main gear which drives a crankshaft. The press is obtainable to first shift the slide toward the work piece at high speed, and subsequently get the work done at low speed before quickly retrieving the slide. As soon as the slide slows down upon moving to the working zone for the period of the stroke, there are much less vibration, noise, and heat from the friction between the compared with those crank presses.
Ravi Power Press
Ravi Power Press
Ravi Power Press
Standard Accessories Supplied With Presses
- Hydraulic overload protection
- High Torque Slide Height Adjustment Motor
- Die height Indicator
- Crank position indicator


Hydraulic Overload Protector
The protector will automatically stop presses within 0.1 sec. in case of any overload it has good response characteristic which en sure quick automatic return to normal operation just by means of simple manipulation.
Ravi Power Press- Enhanced productivity by 30% more than the conventional presses
- Production of precision, high quality products
- Extended lifetime or Tool
- Reduced noise and vibration during operation
- Easy to suit thick plate working and deep drawing
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Ravi Power Press

Other Range
- High Speed Series
- Knuckle Joint Series
- Cross Shaft Series
- Left to Right Series
- Straight Sided Crank




Ravi Power Press

Slide Speed Curve Comparison
: Drawing
: 70 mm
The slide block's engaging speed link motion press is reduced by 40% to that of crank shaft press.
: Enhanced accuracy & stability of product. Border selection criteria on material with slower engaging speed of slide block, the wear out resulted from heating of die & the loss of oil film on the surface of product are greatly reduced. The scratch on the surface of the product is less through the characteristic movement of slide block, the high production volume and low wear out are achieved.

Suitable for drawing, bending process.



Ravi Power Press

Slide Speed Curve Comparison
Ravi Power Press: Drawing
: 3.2
The slide block's engaging speed of link motion press slowers by 40% against that of conventional crank press.
: More accurate and stable quality with slower engaging speed, the high temperature resulted in friction between die & work pieces is less than the crank shaft press; this greatly extends the life of die elements.

Suitable for piercing stamping, sequence precision process.


Specifications
Model - LM 25 32 40 63 100 160 200 250 315 400
A B A B A B A B A B A A A A A
Force KN 250 320 400 630 1000 1600 2000 2500 3150 4000
Rated distance before B.D.C. MM 3.5 2.2 3.5 2.2 4 2.2 5 2.5 5 2.5 6.3 6.3 6.3 8 12
Number of slide strokes SPM 70 140 70 140 65 130 60 120 45 100 40 40 35 35
Fly Wheel energy KJ 4.4 3.0 4.4 3.0 8.0 4.6 16.75 7.8 25.0 12.5 55.0 70.0 80.0 120.0 240.0
Stroke fxed MM 80 80 88 100 125 160 200 200 200 250
Variable stroke (Optional) MM 8 -80 8-80 8-88 8-100 8-125 8-160 20-160 20-160 20-160 -
Shut height (Stroke down , Adj. up) MM 300 300 315 350 450 500 560 560 630 700
Slide adjustment MM 63 63 70 70 80 125 125 125 125 125
Bolster area (L-RxF-B) MM 630 X400 630 X 400 800 X 450 900 x 550 1000x630 1120x750 1250x800 1250x800 1450x900 1450x900
Clear distance between uprights MM 420 420 500 590 670 775 900 ...
Main motor KW x RPM 2.2x1500 2.2x1000 2.2x1500 2.2x1000 3.7x1500 3.7x1000 5.5x1500 5.5x1000 7.5x1500 7.5x1000 15x1500 15x1500 18.5x1500 22x1500 30x1500
Slide adjustment motor KW x RPM 1.1x1500 1.1x1500 1.5x1000 1.5x1000 2.2x1000
Height from floor to Top of bolster MM 800 800 900 900 900 900 900 900 900 900
Required air pressure ATM   5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5
Die cushion model   DC -72 DC -72 DDC - 82 DDC -102 DDC - 123 3DC - 144 3DC-144 3DC-164 DC - 002 - 30-125
DIE CUSHION force KN 17 17 44 70 100 200 200 270 300
stroke length MM 50 50 50 50 50 .75 100 100 100
pressure pad area MM 290 x 200 290 x 200 335 X 230 380 x 260 475 X 330 535x425 600x425 600x475 850 x 520
required air pressure ATM 7 7 7 7 7 7 7 7 5


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