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This product is manufactured using A5052 aluminum alloy with a sheet thickness of 1.0 mm. Flatness tolerance standard: within 0.25 +0 / −0.25 Parallelism tolerance standard: within 0.3 +0 / −0.3 Due to its tendency to deform, this product requires extremely tight dimensional tolerances. ⁂ Dimensional and geometric accuracy are ensured through in-process and final inspections using coordinate measuring machines (CMMs) and non-contact laser measuring devices, guaranteeing product functionality and reliability. With many years of experience and proven technical expertise, we support manufacturing solutions closely aligned with our customers’ needs. Please feel free to contact us! For inquiries, please contact us at the details below. ꕤ︵ꕤ︵ꕤ︵ꕤ︵ꕤ︵ꕤ Ohnuki Kogyosho Co., Ltd. Sales & Production Control Department Takuya Osumi / Miu Wada 📩 infoh@ohnuki.co.jp 📞 0294-53-3821 ꕤ︵ꕤ︵ꕤ︵ꕤ︵ꕤ︵ꕤ
| Main 3 products | Precision Press Die Design & Manufacturi Punching & Bending Deep Drawing & Forging |
|---|---|
| Type of manufacturing | Industrial machinery Electronic parts Medical equipment |
| Recommended manufacturing category |
1:Designing - Mold designing - Progressive die designing (auto) 2:Mass production - Metal press - Drawing 3:Mass production - Forging - Press forging 4:Die manufacturing - Press die - Shaving die 5:Development and production of prototype/Small-scale production - Blank cutting - YAG laser machining 6:Die manufacturing - Press die - Transfer press die 7:Mass production - Grinding processing - NC cylindrical grinding 8:Development and production of prototype/Small-scale production - Machining - Machining/Handles small-scale production (order from 1 piece) 9:Mass production - Metal press - Progressive press (80 - 200 t) 10:Development and production of prototype/Small-scale production - Prototype processing - Small-size prototype manufacturing |
Permalloy has a high nickel content and is less prone to rust than carbon steel or iron, although it is not completely rustproof. We heat treat permalloy in a hydrogen environment, allowing us to minimize oxidized permalloy over time or through work, resulting in a better purity permalloy (with outstanding magnetic characteristics). ───────────────────────────────────────────── ◆◇◆ ◆◇◆ ◆◇◆ ◆◇◆ ◆◇◆ ◆◇◆ ───────────────────────────────────────────── We have began heat treatment on Permendur, a high magnetic flux density soft magnetic material that is nearly unknown in Japan! With global technological advancements, we can now perform magnetic annealing on magnetic materials with the potential to enable cutting-edge technologies. Please feel free to contact us for more details. ─────────────────────────────────────────────
| Main 3 products | Single-use medical devices Precision pipes Permalloy processing and heat treatment |
|---|---|
| Type of manufacturing | Measuring machinery Electronic parts Medical equipment |
| Recommended manufacturing category |
Tooling for machining centers, cutting, etc. Belief Engineering Technology (Wuxi) Co., Ltd. is a Japanese company established in China. In Thailand, it provides services in collaboration with locally designated sales agents. ■ For more details, please feel free to contact us.
| Main 3 products | Tank equipment system Metal processing Control system |
|---|---|
| Type of manufacturing | Not selected |
| Recommended manufacturing category |
In pumped storage hydropower projects, the pressure penstock is a critical component subjected to heavy loads and continuous pressure fluctuations during operation. Therefore, stringent requirements are imposed on weld tightness, structural strength, and long-term durability. To meet international standards for such projects, Lilama 10 implements an integrated approach combining non-destructive testing (NDT), TOFD technology, and post-weld heat treatment (PWHT), supported by long-established steel fabrication experience and modern equipment. 1. Non-Destructive Testing (NDT) – The foundation of weld quality assurance NDT (Non-Destructive Testing) refers to inspection methods that evaluate weld quality without damaging the product, enabling detection of internal defects such as cracks, porosity, lack of fusion, and structural discontinuities. It is a mandatory process for high-pressure structures. In pumped storage hydropower penstock projects, Lilama 10 applies various NDT methods, with TOFD (Time of Flight Diffraction) being the most critical. TOFD is recognized as one of the most advanced NDT techniques due to: High sensitivity to deep cracks Full-thickness inspection capability Excellent repeatability with low measurement uncertainty Clear visualization of defect size and characteristics 2. Application of TOFD Level 1 – EN 15626:2018 TOFD results at Lilama 10 are evaluated according to EN 15626:2018 – Level 1, the most stringent acceptance level under this standard. Level 1 requires: Accurate detection and classification of welding-induced defects Assurance of the highest safety level for pressure-bearing structures In addition, Lilama 10 applies: ISO 11666:2018 – Ultrasonic acceptance criteria for weld defects ISO 23279:2017 – Characterization and classification of UT/TOFD indications 3. Temperature-controlled welding process – A critical step before NDT To ensure accurate NDT results and minimize risks of thermal or hydrogen-induced cracking, Lilama 10 implements strict thermal control during welding: Preheating materials to a minimum of 80°C and maintaining temperature throughout welding Interpass temperature controlled below 190°C Post-weld heating to 350°C, maintained for 4 hours to eliminate hydrogen and prevent cold cracking in thick welds All welding activities are supervised by Lilama 10’s welding inspectors and three technical experts appointed by the European project owners (ATB, FGJV, and SHL). 4. TOFD inspection after 72-hour hydrogen release Lilama 10 conducts TOFD inspection only after a 72-hour hydrogen release period following welding. This allows: Stabilization of the metal microstructure Removal of residual hydrogen Prevention of delayed cracking Improved accuracy of TOFD measurements This step ensures that NDT results accurately reflect the true weld quality before heat treatment. 5. PWHT – Residual stress relief and mechanical property stabilization After welding and NDT, all penstock sections are placed in Lilama 10’s large-scale PWHT furnace, capable of handling structures longer than 7 meters. The PWHT cycle lasts approximately 14 hours, including: Controlled heating Holding at specified temperature Controlled cooling to avoid thermal stress The process is fully automated to ensure precise temperature and time control. Through close integration of advanced inspection technologies, strict supervision, and synchronized equipment, Lilama 10 steadily meets the demanding technical requirements of pumped storage hydropower penstock manufacturing. The application of NDT, TOFD Level 1, temperature-controlled welding procedures, and large-scale PWHT systems demonstrates Lilama 10’s commitment to strict compliance with international standards in pressure penstock fabrication. These practices form a solid foundation for ensuring product reliability in high-technical-requirement energy projects.
| Main 3 products | Construction Installation Office Rental |
|---|---|
| Type of manufacturing | |
| Recommended manufacturing category |
We have expertise from primary testing of single items to mass production prototype processing. Our average lead time is 1 week, and we handle over 400 items a month. When your testing requires quick delivery, large production volume and the dies, we offer you the same precise quality as mass produced items.
| Main 3 products | Thin metal plate prototype manufacturing Metal press stamping Metal and resin set processing |
|---|---|
| Type of manufacturing | Industrial machinery Telecommunication equipment Electronic parts |
| Recommended manufacturing category |
1:Development and production of prototype/Small-scale production - Prototype processing - Small-size prototype manufacturing 2:Development and production of prototype/Small-scale production - Prototype processing - Plastic protocol machining 3:Mass production - Metal press - Thickness: 0.2 mm - 3.2mm 4:Mass production - Welding / welding - Seam welding 5:Mass production - Sheet-metal processing - Bending process 6:Mass production - Metal press - Progressive press (35 - 80 t) 7:Mass production - Metal press - Progressive press (80 - 200 t) |
Our workflow, from order to delivery, can provide fast delivery as well as quick estimates, low costs and high quality.
| Main 3 products | Industrial machine parts Mold components Semiconductor equipment parts |
|---|---|
| Type of manufacturing | Jigs and tools Machine tools Industrial machinery |
| Recommended manufacturing category |
1:Development and production of prototype/Small-scale production - Machining - Machining/Handles small-scale production (order from 1 piece) 2:Development and production of prototype/Small-scale production - NC machining - Machining (vertical) 3:Die manufacturing - Plastic mold - Part processing 4:Development and production of prototype/Small-scale production - Electrical discharge machine - Wire electric discharge machining 5:Die manufacturing - Press die - Plate machining 6:Surface treatment - Plating/Chemical conversion treatment - Iron 7:Surface treatment - Plating/Chemical conversion treatment - Aluminum |
Cam Disk for Equipment Machined with a Machining Center Including Blackening
| Main 3 products | Precision Machined Parts Jigs, Molds, and Parts Manufacturing Non-standard Automation Equipment |
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| Type of manufacturing | Jigs and tools Industrial machinery Electronic parts |
| Recommended manufacturing category |
| Main 3 products | Machining 3D metal lamination Large-scale integrated processing |
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| Type of manufacturing | Industrial machinery Construction material Transportation equipment |
| Recommended manufacturing category |
1:Mass production - Metal press - Single press (500 t and over) 2:Mass production - Metal press - Single press (200 - 500 t) 3:Development and production of prototype/Small-scale production - NC machining - Five-face machining 4:Mass production - Mechanical processing - Five-face/axes machining 5:Mass production - Sheet-metal processing - Bender processing (flood control) 6:Mass production - Welding / welding - Arc welding 7:Mass production - Welding / welding - Robot welding |
Stainless steel snap pins are widely used components in industrial equipment, known for their high durability and ease of use. [Product Specifications] • Materials: Compatible with SUS304, SUS316, SUS631, and other stainless steel grades • Wire diameter range: 0.1mm to 5mm • Corrosion resistance: Approximately 100 times more resistant than standard iron products • Durability: Engineered for repeated use • Feature: Easy installation and removal [Applications] • Automotive - Door hinges, seatbelt mechanisms • Construction - Scaffolding fasteners, temporary structure joints • Agriculture - Harvester part fixation, irrigation system connections • Industrial - Conveyor belt linkages, control panel cover fasteners • DIY - Furniture assembly, gardening tool connections [Manufacturing Technology] • Precise die design to mitigate springback effects • Scheduled die maintenance program • Strict quality control processes based on ISO 9001 standards We specialize in precision processing of wire and strip materials, accommodating diameters from 0.1 to 5mm. Our NC-controlled manufacturing enables complex shape production. For inquiries or custom orders, please don't hesitate to contact us. [Company Information] Nippon Forming Co., Ltd. Headquarter & Main Factory: 1-23-2 Kanamachi, Katsushika-ku, Tokyo Tsukuba Factory: 2924 Ujikai, Ishioka-shi, Ibaraki https://www.forming.jp/eng/
| Main 3 products | Various springs/clips Multi-forming processed products Bending processed wire products |
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| Type of manufacturing | Telecommunication equipment Electronic parts Transportation equipment |
| Recommended manufacturing category |
1:Mass production - Metal press - Multi forming 2:Mass production - Metal press - Forming 3:Parts manufacturing - Spring - Thin leaf spring 4:Mass production - Metal press - Stainless steel material for spring 5:Parts manufacturing - Spring - Piano wire (carbon wire) 6:Parts manufacturing - Spring - Shaped spring 7:Development and production of prototype/Small-scale production - Prototype processing - Punching |
This is one of our technologies we are best at. Please feel free to contact us. <<Please contact us by email.>>
| Main 3 products | NC/MC processing Vacuum equipment parts processing Vacuum device valves/ high pressure valve processing |
|---|---|
| Type of manufacturing | Machine tools Industrial machinery Electronic parts |
| Recommended manufacturing category |
1:Development and production of prototype/Small-scale production - Welding/Adhesive bonding - TIG welding (argon welding) 2:Development and production of prototype/Small-scale production - NC machining - Machining (vertical) 3:Development and production of prototype/Small-scale production - NC machining - NC lathe machining 4:Development and production of prototype/Small-scale production - Machining - Stainless steel 5:Development and production of prototype/Small-scale production - Machining - Aluminum alloy 6:Product manufacturing - Production property - Vacuum equipment manufacturing 7:Development and production of prototype/Small-scale production - Machining - Machining/Handles small-scale production (order from 1 piece) |
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