Question 1

What tonnages do Wonsten aluminum profile extrusion press machines offer?

Accepted Answer

We manufacture a comprehensive range of horizontal hydraulic extrusion presses from compact 600-ton models (for small tubes/architectural trims) up to heavy-duty 5000-ton or higher presses for industrial, automotive, and aerospace profiles.

Question 2

What aluminum alloys can your extrusion press process?

Accepted Answer

Our machines are highly versatile and efficiently extrude a wide range of soft and hard alloys, including the 6000 series (6061, 6063) for construction and solar frames, as well as the 2000, 5000, and 7000 series for aerospace applications.

Question 3

What is the maximum billet length and diameter the machine can handle?

Accepted Answer

Billet capacity depends strictly on the press tonnage. For instance, our standard 1000-ton press typically handles 5-inch (127mm) diameter billets with lengths up to 600mm, while our 2500-ton press handles 8-inch (203mm) billets.

Question 4

How does your press ensure the dimensional accuracy of the extruded profiles?

Accepted Answer

Accuracy is secured by three factors: the rigid prestressed tie-rod frame that limits structural elongation, high-precision linear transducers for exact stem positioning, and a highly responsive servo-hydraulic flow control.

Question 5

What is "Isothermal Extrusion" and why is it important for aluminum profiles?

Accepted Answer

Isothermal extrusion keeps the profile exit temperature constant. As extrusion generates frictional heat, the Wonsten control system automatically slows down the stem speed to prevent profile tearing and ensure uniform mechanical properties.

Question 6

What brand of hydraulic and electrical components do you use?

Accepted Answer

To ensure global reliability and easy spare parts sourcing, Wonsten uses premium international brands for hydraulic valves, for servo drives, and for electrical components.

Question 7

How does the servo-driven hydraulic system reduce production costs?

Accepted Answer

Traditional systems run internal pumps at maximum speed constantly, wasting energy via heat. Our servo-motor driven pumps only output the exact oil flow and pressure required for each specific stage of the cycle, reducing factory power bills by up to 45%.

Question 8

What type of cooling system is required for the hydraulic oil?

Accepted Answer

The press requires a heavy-duty water-cooling system or an industrial chiller unit linked to a cooling tower. This maintains the hydraulic oil temperature within the ideal operating range of 35 degrees to 50 degrees to prevent seal degradation.

Question 9

How long does an aluminum extrusion die last on your machine?

Accepted Answer

Die longevity depends heavily on the profile complexity and alloy type. However, our smooth hydraulic pressure ramp-up minimizes sudden mechanical shocks, which significantly helps extend the service life of H13 steel dies.

Question 10

Does the machine come with an automatic dummy block system?

Accepted Answer

Yes, our extrusion presses feature a fixed dummy block system attached to the extrusion stem, eliminating the need for manual dummy block separation and cooling cycles, which speeds up the overall cycle time.

Question 11

Can Wonsten supply a complete turnkey aluminum extrusion production line?

Accepted Answer

Yes, we specialize in complete factory layouts. We provide the full line engineering: Billet heating furnace with hot shear, the Extrusion Press, Run-out table with Single/Double Puller, Cooling Bed, Stretcher, Cutting Saw, and Profile Aging Oven.

Question 12

What is the estimated lead time for a 1000-ton aluminum extrusion press?

Accepted Answer

Due to the heavy casting, precise machining, and rigorous assembly phases involved, the typical manufacturing and testing lead time for a 1000-ton press is 90 to 120 days. Larger custom tonnages can take up to 150 days.

Question 13

How is such a massive machine packaged and shipped internationally?

Accepted Answer

The press is dismantled into major sub-assemblies (Main Cylinder, Base Frame, Container housing). Large heavy structural parts are secured onto Flat Rack (FR) containers or shipped via Bulk Cargo, while sensitive electronics and hydraulics are sealed in seaworthy wooden cases inside standard 40HQ containers.

Question 14

What kind of foundation and factory space are required for installation?

Accepted Answer

High-tonnage presses require a reinforced concrete foundation pit to handle dynamic loads and house hydraulic piping. Upon order confirmation, Wonsten provides full civil engineering and foundation drawings tailored to your factory floor plan.

Question 15

How does Wonsten handle the on-site commissioning and training?

Accepted Answer

We dispatch a team of experienced mechanical, hydraulic, and software engineers to your facility to supervise the foundation alignment, assembly, pipe connection, and final commissioning. We also provide intensive operational and maintenance training for your local engineers.

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