Ejection Cylinder (Tie Rod Type/Bolt Type)
Used for machine to make the activity like push/hit/pull etc.
The ejection cylinder plays the role of ejecting injection molded products.
The front cover is guided by a copper sleeve. The small oil cylinder adopts the
rod type, and the large oil cylinder adopts the bolt type.
| Cylinder name | Bore range | Travel range | Rated pressure (Mpa) | Installation method |
| Ejection cylinder (tie rod type/bolt type) | 45～195 | 100～600 | 17.5 | Flange |
1. Tie rod type, the front and rear covers are fixed by a tie rod. Limited by
the tie rod, it is generally suitable for small oil cylinders. Although the wall
thickness is the thinnest, under the same specification, the external dimensions
will be too large, and the space waste is serious.
2. Bolt type, the front and rear covers and the cylinder barrel are connected
by bolt groups. The required thickness of the cylinder is the largest, and the
raw materials are relatively wasteful. Generally suitable for large
cylinders.
3. Threaded type, the front and rear covers and the cylinder barrel have
large threads, and are connected by threads. The required thickness is smaller
than the bolt type, but it is still thicker, and a large nut is required to
ensure the assembly direction. Generally suitable for large long cylinders
4. Welding type, the back cover and the cylinder are welded into a whole, the
wall thickness of the cylinder is relatively thin, and the whole is relatively
compact. The material cost is not high, but the processing is the most difficult
and the processing cost is the highest.
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