Rotary cylinders are mainly used in NC lathes as a drive for power chucks. In addition to power chucks, we offer an extensive line of rotary cylinders. We have the ability to design and manufacture custom cylinders to meet the specific requirements of our customers. Each custom cylinder benefits from our meticulous attention to detail, high level of expertise, and a seamless customer service experience from design to execution.
Product Drawings
Product Parameters
● The cylinder body is made of highquality aluminum alloy, lightweight，small and durable.
● High speed performance stabiling.
● With built-in"check valve", work pieces can be effectively prevented from flyingout during abrupt failure of pressure.
● Can screw it from the rear and of the cyindorwhen mountin
Please review the following parameter table. We offer various types of rotating hydraulic cylinders. If you need any assistance, feel free to leave your email and questions, and we will arrange for a professional to connect with you!
| Dimensions(mm) | |||||||||||||
| Spec | A | B | D1 | D2 | E(H7) | F1 | F2(H8) | G | H | M1 | M2 | M3 | |
| Model | max | min | |||||||||||
| RK-75 | 75 | 107 | 90 | 90 | 65 | 28 | 21 | 45 | 30 | 60 | M20x35 | M8x65 | 6-M8x16 |
| RK-100 | 100 | 132 | 115 | 100 | 80 | 28 | 21 | 45 | 25 | 77 | M20x35 | M8x80 | 6-M10x20 |
| RK-125 | 125 | 160 | 140 | 130 | 110 | 35 | 25 | 50 | 85 | M24x40 | M8x90 | 6-M12x20 | |
| RK-150 | 150 | 190 | 170 | 45 | 31 | 55 | 98 | M30x45 | M10x100 | 12-M12x24 | |||
| RK-200 | 200 | 245 | 220 | 145 | 120 | 55 | 37 | 70 | 35 | 118 | M36x60 | M10x125 | 12-M16x30 |
| RK-250 | 250 | 296 | 275 | 200 | 160 | 60 | 37 | 100 | 40 | 156 | M36x60 | M12x160 | 12-M20x30 |
| Specifications | |||||||||
| Spec | Eff piston area(cm²) | Piston stroke(mm) | Max. Speed (r/min) | Max. pressure MPa(kgf/cm²) | Max.pull force kgf(KN) | Moment of inertial (kg.m²) | Weight(kg) | ||
| Model | Extend | Retract | Extend | Retract | |||||
| RK-75 | 41.7 | 37 | 15 | 6000 | 40(4.0) | 1500(14.7) | 1330(13) | 0.02 | 3.2 |
| RK-100 | 75.4 | 70.8 | 20 | 5000 | 2710(26.6) | 2550(25) | 0.04 | 4.8 | |
| RK-125 | 119.6 | 111.5 | 25 | 4300(42.1) | 4010(39.3) | 0.06 | 7.2 | ||
| RK-150 | 173.6 | 159.2 | 30 | 6250(61.2) | 5730(56.1) | 0.1 | 9.8 | ||
| RK-200 | 314.1 | 290.4 | 35 | 4000 | 11300(110.8) | 10454(102.4) | 0.25 | 15.7 | |
| RK-250 | 485.7 | 462.3 | 60 | 2000 | 17500(171.5) | 16640(163.0) | 0.52 | 45.5 | |
| The drain port should be independently connected to oil tank to avoid back pressure. | |||||||||
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