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syjx@shengyangringrollingmachine.com
2026-01-28
I was looking for information on Chinese CNC ring rolling machines and came across a bunch of similar, empty articles. Everyone writes about high quality and the best price, but not a word about the real pitfalls. I went through this myself when I was looking for equipment for my workshop several years ago. Many people think that buying is just finding a website and leaving a request. In fact, this is just the beginning of a long story where half of the suppliers don’t even understand what you actually need for a specific profile or material.
The first thing you encounter is the variation in quality. Under one name, a Chinese CNC ring-rolling machine, both rather primitive units based on old Japanese or Taiwanese controllers and truly modern systems can be sold. The key difference is often not in the mechanics itself, but in the control system and software. I’ve seen machines where the frame seems to be monolithic, but the software for calculating rolling parameters is a separate headache; it is often borrowed and adapted with varying degrees of success.
One of the main myths is that they are all equally cheap. Yes, the price is attractive compared to European analogues like SMS group, but if you start digging into the package, it can increase by 30-40%. The basic kit often comes without important options: a system for precise control of shaft temperature (critical for stainless steel or titanium alloys), an advanced lubrication system, or spare parts for a specific ring size. You can’t do without this at the start, but paying extra later is more expensive and takes longer.
Personal experience: we ordered a machine for the production of bearing rings. Everything in the specification was perfect. But when I arrived, it turned out that the CNC system was not compatible with our CAD system for importing drawings. I had to tinker with their engineers remotely for a month until they finished finishing the post-processor. Time is money, and the ease of setup took away part of the expected savings.
Just search by requestbuy Chinese CNC ring rolling machine- the path to nowhere. A hundred one-page sites will fall out. It is important to look at companies that specialize specifically in forging and rolling, and do not sell machines in general. They usually have their own design bureau and, critically, their own assembly shop. This means they can make changes to suit your technical specifications, and not just assemble them from ready-made modules.
Pay attention to the presence of a video of the actual operation of the machine, and not just 3D animation. It is desirable that the video shows the process of rolling the ring, and not just the rotation of the shafts. Accidentally came across the siteShandong Shenyang Mechanical Equipment Co.,Ltd (https://www.shengyangjxgroup.ru). The company description states that it ishigh-tech enterprise, but I was more interested in the section with video reports from production. You can see how work is going on on the workshop line, and not in the studio. This is more serious.
A mandatory item is technical support and training. Chinese suppliers now understand this well. The best of them offer not just a manual in English, but also an on-site engineer for commissioning and training of operators. Or at least detailed online instructions in Russian. The same Shenyang, judging by the structure of the site, has a section with technical documentation and, what is important, contacts of Russian-speaking managers are indicated. This eliminates a lot of communication problems.
Here lies the main ambush. The machine may be declared for steel and non-ferrous metals, but in practice its settings for the AD31 aluminum alloy and for the heat-resistant nickel alloy are two huge differences. You need to clearly understand the limits: maximum workpiece diameter, force on the rolls, positioning accuracy. A common mistake is to take a machine with a reserve for the diameter of the ring, but not take into account the power of the main drive. There may simply not be enough torque to roll massive carbon steel rings.
I worked with one machine, which did an excellent job with rings up to 500 mm made of structural steel. But when they tried to launch a batch of 40ХНМА, problems with the accuracy of the geometry began - the size floated. It turned out that the system for compensating for elastic deformations of the frame was not designed for such high loads. I had to make adjustments manually for each batch, losing performance. The supplier eventually improved the hydraulic system, but it was hemorrhoids for six months.
Therefore, the dialogue with the supplier should begin not with the price, but with your technical specifications. It is better to provide them with drawings of the finished ring, grade of material and desired performance. A good supplier will ask for this data first and make a preliminary calculation of rolling parameters. If the manager immediately starts lowering the price, this is an alarm bell.
Many people forget that the cost of the machine is approximately 60-70% of the final costs. The rest is delivery, customs clearance, installation and the first year of operation with warranty service. Large and experienced suppliers, the sameShandong Shenyang Mechanical Equipment Co.,Ltd, often take on the organization of the entire turnkey cycle. This is a huge plus. Having to deal with finding a carrier who can properly secure a multi-ton machine in a container and dealing with customs brokers is a pleasure.
A separate topic is spare parts. Ask immediately about their availability in a warehouse in Russia or neighboring countries. Waiting a month for a bearing assembly for the main shaft from China means stopping all production. Some suppliers are setting up logistics hubs here. On the same website shengyangjxgroup.ru it is clear that the company positions itself precisely as a supplier of equipment in the Russian Federation and the CIS, and not just an exporter. This indirectly speaks of an established support system.
Guarantee. The standard is 12 months. But it's important to read what exactly is covered. The warranty for mechanics is one thing, but for the CNC unit and servos it is often another, with a shorter period. Check who will carry out warranty repairs: their field specialist or you will have to dismantle and send the unit back to China. The second option is almost unacceptable.
So, to summarize my sometimes bitter experience. Don't just searchChinese CNC ring rolling machine. Look for a technology partner who is deep in the topic. Look at a portfolio of real projects, preferably in your own industry (aircraft manufacturing, power engineering, bearing factories).
Request a detailed commercial proposal, which will include a breakdown of each system: controller model (Siemens, Fanuc, of your own design?), type of servos, hydraulic characteristics. Compare not only the numbers, but also the content.
And, perhaps most importantly, communicate with those who have already purchased. Ask the supplier for contacts of several clients in the CIS. If they give, it's a good sign. Call and ask about real problems in setting up, about the work of the service. One such conversation will yield more than a dozen colorful catalogs.
Ultimately, the right choice is when the machine does not stand like a museum exhibit, but reaches planned productivity in the shortest possible time and makes exactly the rings you need. And there are such options on the market, you just need to dig deeper than the first links in the search engine.
