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The eccentric press 125t, also known as a flywheel press, is a punching machine that can be divided into open-back, closed-back, and C-type frames. All these types operate on the same principle and form the same parts.
Open-back eccentric press
The pressing machine with an open-back frame allows easy material access to operators. They can load and unload workpieces from the machine without a hassle. Therefore, a machine with an open or closed back is more suitable for mass production.
Although stopping an operation midway may be unreasonable in continuous production, it is possible to do so in sporadic production. The machine's advantage is low production costs and availability.
Disadvantages include a rear wall with no support to provide stability, a lower quality of works compared to closed-back presses, and the rear wall forging out of shape in excess of force.
Closed-back eccentric press
Compared to open-back presses, closed-back eccentric presses provide a more solid support for workpieces during stamping and can withstand greater pressure thanks to the steel behind the die, evenly distributing pressure throughout the frame.
This stability leads to more accurate and precise stamping, making them ideal for high-precision jobs where firmness is particularly essential. Parts of a closed-back eccentric press are often more expensive due to the additional rear support.
C-type eccentric press
This kind of stamping machine provides solid support for workpieces during stamping like the open-back and closed-back presses by forming a C shape. It operates on the same principle as other eccentric presses.
Due to its frame shape, the C-type has the advantage of creating products of high accuracy.
It is suitable for various applications, including die casting, forging, stamping, and molding.
C-type eccentric presses can also support higher tonnages because of their robust construction.
In bulk manufacturing industries, the eccentric motor is crucial for generating rotation and driving the eccentric gear, which then produces the eccentric motion on the ram or slider of the press. Such industries include the following:
Automobile Industry:
There are several applications of the 125-ton eccentric press in the auto industry. It is typically used to forge, cut, bend, and stamp body parts such as the chassis, bumper, panel, roof, doors, and several other components.
Aerospace Manufacturing:
The manufacture of aircraft and spaceship components also involves using the 125-ton eccentric press to shape and form materials like aluminum, titanium, and high-strength steel into parts like wing structures, fuselage sections, landing gear components, and engine parts.
Heavy-Duty Equipment and Machinery Industry:
This includes the mining and oil industries. The 125-ton eccentric press is typically used to forge and stamp control panels, gears, engine parts, drive mechanism parts, valves, etc.
Shipbuilding Industry:
Cetral stern frames, hull plates, decks, bulkheads, and insulated containers, among other ship components, are made with the 125-ton eccentric press.
General Metal Fabrication:
Several applications of the 125-ton eccentric press in the metal fabrication industry include punching holes, trimming edges, notching, shearing, and embossing operations on different metal sheets and plates.
Electronics Manufacturing:
In the manufacturing process of electronic devices, the 125-ton eccentric press shapes small, precise components like connectors, switches, capacitors, and housings from materials like stainless steel and engineering plastics.
When investing in an eccentric punch press machine, various factors come into play. Focusing on them ensures that the final choice will be profitable in the long run.
Material Types
An understanding of the types of materials the press will handle is a prerequisite for making a choice. Tools of different models have varying characteristics. While some can force stainless steel, copper alloys, and carbon steel, others are explicitly created for handling less rigid materials, like aluminum.
The Machine's Flexibility
Flexibility comes into play when considering an eccentric hydraulic press for various applications. If users apply a single machine to complete several tasks, it will let them save on maintenance costs and spares with an eccentric machine dedicated to a single operation.
Cost of Maintenance and Spare Parts
Don't Forget the Long-Term Costs: While buying the eccentric press machine at a low initial cost may seem appealing, always consider the machine's cost of maintenance and spares. Prices for critical spare parts can be shocking and prompt spending more later on than the amount saved earlier.
Automation Compatibility
Is Task Automation Possible? Think of automating the task to improve productivity and lower labor costs. Select a machine that will work with automation systems. Although it may cost more upfront, automation will pay off with higher efficiency, less downtime, and reduced operating expenses with fewer people running it.
Stroke Length
Depending on the depth of the parts to be sheared or stamped, consider the stroke length of the eccentric punching press. Parts with greater depths will need more stroke length. However, selecting a machine with a long stroke also offers flexibility, as it could handle tasks requiring a shorter stroke length.
Press Force
The pressing force the machine can give is paramount for the job's success. Never compromise safety. The force needed to complete the works will determine the machine model buyers will consider.
Energy Usage
How much energy does the machine consume? Selecting a model that uses less energy will go a long way toward helping companies meet their sustainability goals. While some machines use hydraulic power, others rely on flywheels driven by electric motors to consume less energy.
A Supplier's Service
Consider the service offered by the supplier selling the machine. This includes repair services and spares. Going with a supplier who offers a wide selection of spares makes independent maintenance possible. Also, a supplier who offers a service center near the village or town means less record time and lower costs if the machine develops a fault requiring expert repair services.
Q1: What materials can an eccentric press work with?
A1: The material's thickness and density determine the eccentric press's capacity. It can generally work with metals, plastics, and composites. Press owners should evaluate the material's characteristics to ascertain compatibility.
Q2: Can an eccentric press be automated?
A2: Yes, it is possible to automate an eccentric press by integrating feeding systems, sensors, and control units. Automation can enhance production efficiency, precision, and convenience.
Q3: Does an eccentric press require special electrical requirements?
A3: The electrical requirements depend on the model and specifications. Some presses may have particular voltage or amperage specifications, which must be considered during installation.
Q4: What are the signs that an eccentric press needs repair?
A4: Some signs indicating the press might need repairs include unusual noise during operation, vibration or instability, the failure to function as expected, leaks, wear or damage to parts, etc. It's essential to check and maintain it regularly.
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