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FAQ

FAQ

What kinds of metals can be welded by friction welding?
Joining different types of metal is call dissimilar metal joining and in the case of friction welding, nearly metal with iron as the main component can be joined. However, some non-ferrous metals such as titanium and molybdenum may be difficult to combine. Please see "Friction Welding Materials" for details or contact our "Demonstration"
Can only metal be joined? Can you tell me if there are any other examples?
Friction welding can be used for joining resin materials and we have many examples of plastics being joined. (The photo shows an example of acrylic material being joined.) Friction welding enables a beautiful finish as no air pockets form in the joining surfaces. It is not possible to join wood with friction welding.
I know that friction welding is commonly used for automotive parts, but is it being used in other fields?
Friction welding technology is used to join metals in a wide range of fields including civil engineering, manufacturing machines, machine parts, aircraft and even outer space exploration. It is not a technology unique to the automobile industry. The start of friction welding research started in the former Soviet Union in 1956 and in 1962 Toyoda Automatic Loom Works, Ltd. was the first in Japan to succeed in using it as manufacturing equipment, so its growth in popularity over nearly a half a century was due to the automotive industry.
Please see the "History of Friction Welding" for more details.
Investigate friction welding if machining is not possible as a single unit. With conventional joining methods, there is always concern about the fatigue strength of the joined section when the part is exposed to high vibration.
The fatigue strength of a friction-welded joint is slightly higher than the base material right after being joined and becomes the same strength as the base material if it is normalized after joining. In addition, the hardness of the area near the friction welded area is increased if the material has good hardenability. If it is normalized, it will have the same hardness as the base material.
When dissimilar metals are joined, the strength will most likely be approximately in between the strengths of the base materials.
Please refer to "Stable Welding Quality" for details.
Parts that could affect human life require stringent quality control. Can non-destructive inspection be automated?
Traditional quality inspection of joined parts usually includes destructive tests such as tensile and torsional tests. In recent years, the automobile industry, whose safety is deeply related to human life, has called for a system of quality verification using non-destructive testing.
Izumi was quick to recognize this need and quickly brought a product called the "non-destructive inspection equipment for friction welding" to the market to ensure stable quality and thereby address many of the safety-related issues. This equipment can be incorporated into the line and enables automatic operations.
For details, please refer to "Automatic ultrasonic flaw detection equipment for friction welding applications Non-destructive inspection equipment for friction welding machines"
We are seriously looking into purchasing friction welding equipment. What types of indications need to be made on the drawings?
Please send up your current drawings and work. Izumi will make a proposal.
Is it possible to collect data for verifying quality, yield and productivity under the same conditions as the actual production area?
Izumi offers a service that will make a sample or do test processing that you can evaluate when you are looking into purchasing equipment or collecting data for such areas as research and development or improving your manufacturing processes or production volume.
For details, please refer to "Pre-Production Services".
We are considering introducing friction welding to a line already in operation. There are some existing processes that have restrictions. Can friction welding be used for this?
Nearly all of our customers do not make the installation while leaving the product as is. Our friction welding equipment is usually used in conjunction with some modification. Izumi also designs production lines, so we can make a total friction welding solution that incorporates upstream and downstream processes.
For details, please call our toll-free number (0120) 39-123-6 or refer to the "Purchasing".
Our company is looking into installing this equipment at our overseas plant. What kind of formalities will this entail?
We offer global support and are ready to help customers around the world with purchasing, moving or exporting. First-time customers should also feel free to contact us.
For details, please refer to "Relocation and Exports".

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