New Year closing dates are as follows:
December 2, 2025
We are closed from December 28th to January 5th.
We will close at 15:00 on Dec.27, 2025.
We will be open from 8:00 a.m. on January 6, 2025.
Article Index
2025年
The Largest Equipment Introduced to the Joining Division.
October 29, 2025
The Joining Division has recently introduced a new automatic friction welding machine.The connectable diameter has been significantly expanded compared to conventional models, enabling compatibility with a wider range of product specifications.We are now fully equipped for our customers' diversifying needs.
Specifications of the Machine
- Model number
- 250SF (Manufactured by UJIN TECH Co., Ltd.)
- Maximum Output Power
- 250MPa
Machine Capability
Maximum Joinable Diameter
- SC
- φ60~φ150
- SUS
- φ60~φ120
※The maximum joinable diameter may vary depending on material and shape. Please contact us for details.
Grip Ability
- Rotating Side
- Capable of gripping diameters from φ80 to φ400 Specifications※Spindle bore diameter : φ130 Depth 220L
- Fixed side
- Capable of gripping diameters from φ60 to φ260 Specifications※Maximum shaft length: 1400L
We introduced this machine in June 2025 and have finally entered mass production. Trial production of prototypes is also possible. Please feel free to contact us and request a quote.
Friction Welding Division Moved to a New Factory.
June 16, 2025
We would like to take this opportunity to thank you for your continued support.
Friction Welding Division started production at a new plant on June 16 (Mon.).
All of our employees renew their commitment to manufacturing with this opportunity.
We look forward to your continued patronage and support.
- Name of Factory
- Seimitsu Industrial Co., Ltd. Friction Welding Division
- The New Address
- 3-2-9 Nankouhigashi, Suminoe-ku, Osaka City, Osaka-fu, 559-0031 Japan
- TEL：
- +81 6-6655-1250
- FAX：
- +81 6-6655-1252
Japan Golden Week Holidays are as follows:
April 22, 2025
Our business days and holidays during Golden Week are as follows:
April 29(Tue. public holiday) Open
April 30 (Wed) Open
May 1(Thu) Open
May 2(Fri) Open
May 3(Sat) - 6(Tue) Close
May 7(Wed) ~ business as usual