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JH21 Series C-frame Fixed Table Press
JH21 Series C-frame Fixed Table Press
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JH21 Series C-frame Fixed Table Press

press machine

C-frame presses, also known as gap frame presses, open frame, or open front presses, consist of a frame shaped roughly like the letter "C," with a bed at the bottom and a guide and support structure for a moving ram at the top. The frame may be a large casting, or a steel fabrication that is either welded or riveted. The bed, in turn, may be an integral part of the frame, or it may be moveable to adjust the distance between the ram and bed.

The JH21 series C press is with dry clutch and hydraulic overload with steel welded body and good rigidity. This C frame power press has six guide rail sliders, long and high precision, which can prolong its life span.

The crank-shaft is placed vertically, so the structure is compact and the contour is beautiful. It is equipped with combined wet pneumatic friction clutch, so the engagement is smooth, the action is agile and the noise is low. And this crank press is of convenient maintenance. The C frame power press has hydraulic overload protection device which can stop in emergency automatically to enhance the press and die safety for an easy use. This single crank press owns concentrated lubrication system with oil alarm function to ensure that the machine runs smoothly. The high speed press is controlled by LC electric centralized system, with emergency stop, inch, single, continuous operation specification with a drive output shaft, automatic feeding, and air cushion device.

JH21 Series C-frame Fixed Table Press

Model JH21-25 JH21-45 JH21-60 JH21-80 JH21-110 JH21-125 JH21-160 JH21-200 JH21-250 JH21-315 JH21-315A JH21-400 JH21-400A JH21-500
L S L S L S L S L S L S L S L S L S L S L S L S L S L
Nominal pressure KN 250 450 600 800 1100 1250 1600 2000 2500 3150 3150 4000 4000 5000
Nominal pressure stroke mm 2.8 3.2 4 4.5 5 5 6 6 7 8 8 8 8 8
Slide stroke mm 80 50 100 70 120 80 140 90 160 100 160 100 180 110 200 130 220 150 250 180 250 180 250 180 250 180 250
Strokes Vanable S.P.M 70-100 80-130 60-90 70-110 50-80 60-100 40-75 50-90 35-70 45-80 35-65 45-80 30-55 35-70 25-50 30-60 25-45 30-50 25-40 25-40 25-35 25-35 20-30
Single S.P.M 90 110 80 100 70 90 60 80 60 80 55 70 50 60 45 50 40 45 35 35 30 30 25
Max. die set height mm 250 265 270 285 300 320 320 345 350 380 370 400 400 435 450 485 500 535 550 585 500 535 550 585 500 535 550
Die height adjustment mm 50 60 70 80 90 90 100 110 110 120 120 120 120 120
Throat depth mm 210 225 270 290 350 370 390 430 450 480 420 480 420 420
Distance between uprights mm 450 500 560 590 680 710 800 900 950 1050 1000 1050 1000 1220
Table size L-R mm 710 810 870 1000 1100 1120 1260 1400 1590 1700 1650 1850 1800 1820
F-B mm 400 440 520 560 680 720 760 840 880 940 820 940 820 810
Thickness mm 85 110 130 130 160 160 165 200 200 200 200 200 200 240
Hole of table Diameter mm Φ100 Φ150 Φ150 Φ150 Φ160 Φ160 Φ180 Φ200 Φ250 Φ250 Φ250 Φ250 Φ250 Φ250
Bottom size of slide L-R mm 360 410 480 560 620 620 700 880 930 1000 950 1000 950 1000
F-B mm 250 340 400 430 520 520 580 650 700 720 700 720 700 720
Hole for punch shank Diameter mm Φ40 Φ50 Φ50 Φ60 Φ70 Φ70 Φ70 Φ70 Φ70 Φ70 Φ70 Φ70 Φ70 Φ70
Depth mm 60 60 60 80 80 80 100 100 100 100 100 100 100 100
Single speed Motor power KW 3 5.5 5.5 7.5 11 11 15 15 22 30 30 37 37 55
Vanable Motor power KW 3 5.5 5.5 7.5 11 15 15 22 30 37 37 37 37 55
Overall dimensions F-B mm 1350 1410 1615 1915 2200 2300 2355 2690 2830 3400 3350 3500 3450 3900
L-R mm 950 1080 1200 1385 1419 1480 1515 1630 1750 1950 1900 2200 2150 2250
Height mm 2160 2300 2570 2820 3190 3220 3250 3810 3930 4180 4100 4500 4450 5255
Weight Kg 3100 4000 6000 7800 11000 13000 14200 21000 25000 33500 30000 39000 36000 53000
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