Yokohama S-300-4R S-240-4R S-220-4R S-200-4R Four Convolutions Japan Punch Air Spring Replacement
OEM Cross reference
AIRSUSTECH Part No.: F-300-4
YOKOHAMA S-300-4R
YOKOHAMA S 300 4R
YOKOHAMA S-300-4
YOKOHAMA S 300 4
YOKOHAMA S300-4
YOKOHAMA S 300 4
YOKOHAMA S300-4R
AIRSUSTECH Part No.: F-240-4
YOKOHAMA S-240-4R
YOKOHAMA S 240 4R
YOKOHAMA S-240-4
YOKOHAMA S 240 4
YOKOHAMA S240-4
YOKOHAMA S 240 4
YOKOHAMA S240-4R
AIRSUSTECH Part No.: F-220-4
YOKOHAMA S-220-4R
YOKOHAMA S 220 4R
YOKOHAMA S-220-4
YOKOHAMA S 220 4
YOKOHAMA S220-4
YOKOHAMA S 220 4
YOKOHAMA S220-4R
AIRSUSTECH Part No.: F-200-4
YOKOHAMA S-200-4R
YOKOHAMA S 200 4R
YOKOHAMA S-200-4
YOKOHAMA S 200 4
YOKOHAMA S200-4
YOKOHAMA S 200 4
YOKOHAMA S200-4R
Replaces these Japan punch press air springs
Specifications and Detailed Technical Parameters
The punching equipment uses rubber bladders of F-300-4, F240-4, F-220-4, F-200-4 models. The installation of air springs on punch equipment is not only to reduce vibration and noise, but also to improve work efficiency and prolong the service life of the equipment. In fact, a punch press is a stamping press. In national production, the stamping process saves materials and energy compared with traditional machining, has high efficiency, does not require high technical requirements for operators, and can make products that cannot be achieved by machining through various mold applications. Its uses are getting wider and wider. The inconvenience caused by the punch requires the installation of rubber airbags. The technical parameters of the specific models are as follows
F-300-4, F-240-4, F-220-4, F-200-4 air springs is self seal. All of them have four convolutions, with 3 pieces of ring, without plate
| Guomat No. | Yokohama No. | Height | Maximum stroke(mm) | Max diameter(mm) |
| Design Height(mm) | Max. Heigh(mm)t | Min Height(mm) |
| F-300-4 | S-300-4R | 206 | 326 | 111 | ±80 | 360 |
| F-240-4 | S-240-4R | 206 | 316 | 111 | ±80 | 300 |
| F-220-4 | S-220-4R | 206 | 311 | 111 | ±80 | 280 |
| F-200-4 | S-200-4R | 206 | 311 | 111 | ±70 | 260 |
| Guomat No. | Yokohama No. | Standard Height,Internal Pressure 0.49 Mpa | | |
| | | Effective Area (cm2) | Volume(L) | Load (KN) | Dynamic Spring Parameters (N/mm) | Natural Frequency (Hz) | Max inner pressure limited (Mpa) | Burst inner pressure (Mpa) |
| F-300-4 | S-300-4R | 710 | 15.5 | 34.7 | 324 | 1.5 | 0.88 | 3.9-4.9 |
| F-240-4 | S-240-4R | 450 | 10.1 | 22.2 | 235 | 1.6 | 0.88 | 2.9-3.9 |
| F-220-4 | S-220-4R | 380 | 8.6 | 18.6 | 206 | 1.7 | 0.88 | 2.9-3.9 |
| F-200-4 | S-200-4R | 315 | 7.2 | 15.4 | 177 | 1.7 | 0.88 | 2.9-3.9 |
Features
High cost performance, wide product size
Long service life, no maintenance and lubrication, no internal levers or pistons
No friction effect, soft medium
Strong bending capacity, side load capacity, compact original height
The related picture
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Four Convolutions Air Spring Replacement Yokohama S-300-4R S-240-4R S-220-4R S-200-4R Images
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