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Ring rolling is made on special ring rolling machine (also called ring expanding machine),which reduces the thickness and enlarges
the inner diameter and outer diameter of the work piece to get required cross section.
Novel appearance,beauty,light weight, good rigidity, high precision, tight structure, safe using and convenient operation as well
easy maintenance are the characteristic for the ring rolling machine.
Ring rolling machine is widely used for bearing forging industry. All kinds of inner rings and outer rings of bearing rings can be
rolled on it. Bearing rings track and baffle also can be rolled. Our ring rolling machine is widely used in China, also exported
to Belgium, Russia, Romania, Turkey, South Korea, India, Pakistan etc more than 10 countries in the world.
Specification
Code Meaning of Ring Rolling Machine
Q means pneumatic driving
Y means hydraulic driving
D means normal type machine with middle and narrow width
E means machine with large width
F means machine with special large width
| Type | Unit | 160D | 160E | 250D | 250E | 350D | 350E | |
| The ring size | Max.OD | mm | 45-160 | 200 | 250 | 300 | 350 | 350 |
| Max.Width | mm | 35 | 70 | 50 | 120 | 85 | 200 | |
| Max.Productivity | pcs/hour | |||||||
| Cylinder Pressure | kg | 6000 | 11300 | 9800 | 19600 | 15500 | 30000 | |
| Max. Stroke of Sliding Block | mm | |||||||
| Rolling Linear Speed | m/sec | 2-2.5 | 1.64 | 2.1 | 1.63 | 2.2 | 250 | |
| Speed of Main Shaft | r.p.m | 120 | 92 | 80 | 62.3 | 62 | 1.45 | |
| Rolling Wheel OD | mm | 360-380 | 500-520 | 680-700 | 41 | |||
| Oil Cylinder Hydraulic Pressure | mpa | 4 | 5 | 680-700 | ||||
| Compressed Air Pressure | kg/m² | 5 | 5 | 6 | ||||
| Compressed Air Consumption | m³/min | 0.9 | 1 | 1.8 | 1.6 | 1.62 | 5 | |
| Center Height of Rolling Roller | mm | 670 | 670 | 875 | 875 | 1050 | 2.4 | |
| Min. Distance Between Rolling Wheel Center and Rolling Roller Center | mm | 185 | 185 | 265 | 265 | 365 | 1100 | |
| Main Motor Power | kw | 18.5 | 30 | 37 | 55 | 75 | 365 | |
| Hydraulic Motor Power | kw | 90 | ||||||
| Total Weight | kg | 3200 | 3500 | 7000 | 7800 | 12000 | 13800 | |
Our Advantages
A. Appearance of machine is novel, machine base is weld-forming by steel plate, so structure is light with good rigidity.
B. Reasonable and scientific design for machine tool, especially new design and development of distribution of main shaft bearing, it has high rolling accuracy.
C. Upper sliding block is rectangle section with good rigidity. The length of guide rail of sliding block is increased to 5-6
times of sliding block journey, guide accuracy is high.
D. Main parts of machine are all made of cast steel or high-quality alloy steel.
E. Sealed lower supporting bearing makes the normal working in bad condition.
F. YX seal and 0 type ring are adopted in accordance with lnternational standard, cylinder is low resistanceperformance is
reliable and good abrasive resistance
G. The rolling wheel is fixed with an internal cone-shaped expansion ring and its locating accuracy is high, therolling wheel can be disassembled and replaced easily.
H. The precision rolling structure is driven in a synchronized mode and run smoothly, a wide adjusting rangeis available.
I. A muffler is equipped for exhausting system of gas pipeline to reduce noise and protect environment.
| Max.Productivity | pcs/hour |
|---|---|
| Max. Stroke of Sliding Block | mm |
| Hydraulic Motor Power | 90 kw |
The primary function of the Automatic Steel Flange Making Machine is to perform ring rolling, which reduces the thickness and enlarges the inner and outer diameters of workpieces to achieve the required cross-section.
This machine is primarily designed for forging bearing rings and can process various types of steel and alloy materials suitable for ring production.
The maximum outer diameter (OD) that can be rolled varies by model, ranging from 45 mm to 350 mm.
Yes, this machine is designed for high productivity, with the ability to produce up to 3000 pieces per hour depending on the model.
Advantages include a novel design, light weight, good rigidity, high precision, easy maintenance, and the ability to operate in various conditions.
Yes, the machine is capable of both radial and axial ring rolling, making it versatile for different forging applications.
The main motor power varies by model, with requirements ranging from 18.5 kW to 75 kW.
The hydraulic system operates under various pressures, with hydraulic motor power up to 90 kW, ensuring reliable performance and precision.
The ring rolling machine has been exported to over 10 countries, including Belgium, Russia, Romania, Turkey, South Korea, India, and Pakistan.
Routine maintenance includes checking the hydraulic system, ensuring seals are intact, and inspecting the rolling wheels for wear and tear.
Safety features include a tight structure, sealed bearings for operation in bad conditions, and an exhaust muffler to reduce noise.
The compressed air consumption rate varies by model, ranging from 0.9 to 1.6 m³/min.
Yes, operator training is recommended to ensure safe and effective use of the machine.
The dimensions of the machine vary by model, with total weights from 3200 kg to 13800 kg, and height specifications ranging from 670 mm to 1050 mm.
Warranty details can vary; please check with the manufacturer or supplier for specific warranty information.
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