ST Series C Frame Single Crank Mechanical Press

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Product Detail

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Main performance characteristics:

Body rigidity (deformation) 1/6000.

Use OMPI pneumatic dry clutch and brake.

The slider adopts two-corner six-sided guide path, and the slider guide adopts       "high-frequency hardening" and "rail grinding process": low wear, high precision, long precision retention time, and improved mold life.

The crankshaft is made of high-strength alloy material 42CrMo, which is 1.3 times stronger than 45 steel and has a longer service life.

The copper sleeve is made of tin-phosphorus bronze ZQSn10-1, whose strength is 1.5 times higher than that of ordinary BC6 brass.

The use of highly sensitive hydraulic overload protection device can effectively protect the service life of the punch and die.

Standard SMC pressure regulating valve, lubricator, air filter.

Optional mold cushion (air cushion).

Technical parameter
Name Specifications ST-25 ST-35 ST-45 ST-60 ST-80 ST-110 ST-160 ST-200 ST-260 ST-315
Mode   V-type H-type V-type H-type V-type H-type V-type H-type V-type H-type V-type H-type V-type H-type V-type H-type V-type H-type V-type H-type
Press capacity Ton 25 35 45 60 80 110 160 200 260 315
Impact force location mm 3.2 1.6 3.2 1.6 3.2 1.6 4 2 4 2 6 3 6 3 6 3 7 3.5 7 3.5
Slider strokes per minute S.P.M 60~140 130~200 40~120 110~180 40~100 110~150 35~90 80~120 35~80 80~120 30~60 60~90 20~50 40~70 20~50 50~70 20~40 40~50 20~40 40~50
Slider stroke length mm 60 30 70 40 80 50 120 60 150 70 180 80 200 90 200 100 250 150 250 150
Max mold height mm 200 215 220 235 250 265 310 340 340 380 360 410 460 510 460 510 500 550 520 570
Slider adjustment amount  mm 50 55 60 75 80 80 100 110 120 120
Up platform size mm 470*230*50 520*250*50 560*340*60 700*400*70 770*420*70 910*470*80 990*550*90 1130*630*90 1250*700*100 1300*750*100
Down platform size mm 680*300*70 800*400*70 850*440*80 900*500*80 1000*550*90 1150*600*110 1250*800*140 1400*820*160 1500*840*180 1600*840*180
Slider center to machine distance mm 155 205 225 255 280 305 405 415 430 430
Platform to floor distance mm 795 790 790 785 830 830 900 995 1030 1030
Shank hole mm Φ38.1 Φ38.1 Φ38.1 Φ50 Φ50 Φ50 Φ65 Φ65 Φ65 Φ65
Main motor power KW*P 3.7*4 3.7*4 5.5*4 5.5*4 7.5*4 11*4 15*4 18.5*4 22*4 30*4
Slider adjust device Manual / Electric Manual  Electric
Air pressure kg*cm² 6 6 6 6 6 6 6 6 6 6
Press accuracy grade Grade JIS 1 JIS 1 JIS 1 JIS 1 JIS 1 JIS 1 JIS 1 JIS 1 JIS 1 JIS 1
Press dimension(L*W*H) mm 1280*850*2200 1380*900*2400 1575*950*2500 1595*1000*2800 1800*1180*2980 1900*1300*3200 2315*1400*3670 2615*1690*4075 2780*1850*4470 2780*1870*4470
Press weight Tons 2.1 3 3.8 5.6 6.5 9.6 16 23 32 34
Die cushion capacity Ton / 2.3 2.3 3.6 3.6 6.3 10 14 14 14
Die cushion Stroke mm / 50 50 70 70 80 80 100 100 100
Die cushion active area mm² / 300*230 300*230 350*300 450*310 500*350 650*420 710*480 810*480 810*480

NOTE:Our company is ready to carry out research and improvement work at any time. Therefore, the size design characteristics specified in this catalogue can be changed without further notice. (If the slider is selected for electric mold adjustment, the parameter will be reduced by 10 mm)

Standard configuration

Hydraulic overload protection device
Manual slider adjustment device (below ST60)
Electric slider adjusting device (above ST80)
Variable frequency variable speed motor (adjustable speed)
Mechanical mold height indicator (below ST60)
Digital mold height indicator (above ST80)
Slider and mold balance device
Rotating cam controller
Crankshaft angle indicator
Electromagnetic counter
Air source connector
Two-degree fall protection device
Air blowing device
Mechanical shockproof feet
Reserved interface for wrong delivery detection device
Maintenance tools and toolbox
Main motor reversing device
Photoelectric safety protection device
Power outlet
Electric grease lubrication device
Touch screen (pre-break, pre-load)

Optional Configuration

Pneumatic mold pad device
Foot switch
Quick die change device (die lifter, die clamper
Or mold shifter)
Upper part punching device of slider
Feeder (air, mechanical and NC)
Leveling machine
Mold die lighting device
Thin oil lubrication device

DAYA straight side double crank punch press


Other straight side double crank presses


Daya press

Daya press: with platform and safety fence, convenient for clutch maintenance and change of cooling oil, main motor belt is loose and easy to adjust, and convenient for subsequent maintenance. Safer and more convenient.

Other press

Other press: Without maintenance platform. Clutch maintenance, replacement of cooling oil, loose adjustment of main motor belt, etc. which can only be completed with the assistance of forklift, which is not convenient for subsequent repair and maintenance. There are some potential safety hazards.


Daya press

Daya press: Daya press adopts four corners and eight sides to surround the guide rail. In the stamping forming position, the slide guide rail is included by all the guide rails on the table body. This kind of guide rail has the characteristics of high stamping accuracy, strong anti eccentric load capacity, small rail wear and long precision retention time.

Other press

Other press: the guide rail with semi enclosed structure as shown in the right figure is adopted. During the stamping process, there is a section of guide rail exposed. During the stamping process, the slide guide rail is easy to tilt, with poor anti bias load capacity, large rail wear, short precision retention time and high maintenance cost.


Daya press

Daya press: the distance between the two points of force application is more than 60%; Advantages: the larger the distance between the two force application points, the greater the eccentric bearing capacity; the larger the distance between the two force application points, the higher the design cost.

Other press

Other press: the distance between the two points is generally less than 50%; Disadvantages: the smaller the distance between the two force application points, the smaller the eccentric bearing capacity. The guide rail is easy to tilt, the guide way is easy to wear, and the precision of guide rail is poor.


Daya press

Daya press: forced thin oil circulation system, energy saving, can be recycled, fan thermal performance is good, compared with grease lubrication can be increased by 5-10 beats per minute.

Other press

Other press: electric grease pump, grease can not be reused, no advantage of forced thin oil circulation system.


Daya press

Daya press: when the stroke length is the same, the forced thin oil circulation system has higher efficiency, compared with grease lubrication, it can increase 5-10 beats per minute. Strictly follow the Japanese JIS level 1 standard; the Japanese JIS level 1 standard is higher than the Taiwan CNS level 1 standard.

Other press

Other press:electric grease pump, grease can not be reused, no forced oil circulation system advantages. according to Taiwan CNS level 1 standard


Slide guide of Daya punch press


other slide guides of punch


Daya press

Other press

Guide rail of Daya punch press 

1.High frequency quenching process: hardness above hrc48;

2. Grinding process of guide rail: the surface finish can reach ra0.4-ra0.8 (mirror surface), flatness, parallelism and verticality within 0.005mm/ ㎡.

3.The machine tool has the advantages of small wear, high precision, long precision maintenance time, long service life and low energy consumption.

Other press guide railno quenching process; milling processing, surface roughness ra1.6-ra3.2, flatness, parallelism, perpendicularity more than 0.3mm / ㎡

Daya press crankshaft


other press crankshafts

Daya punch press:  the crankshaft is made of high strength alloy 42CrMo Advantages: the strength is 1.3 times higher than that of 45 steel, the service life is long, the wear resistance is good, the wear is small, and the precision is maintained for a long time.

Other presses: made of 45 steel, Disadvantages: low cost,the strength and wear resistance are not comparable to 42CrMo



Oil way of DAYA punch PRESS: Φ 8 is used for oil pressure lubrication piping.

Advantages: long pipeline, large diameter is not easy to block, break, ensure the safety of lubricating oil, smooth.


Other presses: the oil pressure lubrication piping of press adopts Φ 6.


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