Laser hardening×富士高周波工業 - メーカー・企業と製品の一覧

100mm wide laser hardening case study

Cost reduction with 100mm wide laser hardening! Shortened delivery time!

【Conventional Issues】 One of the disadvantages of laser hardening is that it cannot perform hardening over a wide width, requiring multiple lines to be scanned for hardening a large area, which has been a factor in increasing the cost of laser hardening. 【Advantages of Laser Hardening】 By utilizing a 12KW semiconductor laser and an optical system with a maximum width of 100mm (introduced in March 2020), it has become possible to perform laser hardening with a width of 100mm. Therefore, this leads to a reduction in the cost of laser hardening and a shortening of delivery times. 【Specifications】 Material: S45C Hardening layer depth: 0.86mm

企業：富士高周波工業
価格：Other

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High-frequency hardening shaft keyway bottom surface laser hardening case study

Covering the weaknesses of high frequency with laser hardening!

【Conventional Issues】 The outer circumference of the shaft was subjected to high-frequency hardening, but to prevent cracking, the keyway area was thermally relieved with a copper jig and not hardened. However, according to product specifications, hardening of the bottom of the keyway was also necessary. 【Advantages of Laser Hardening】 The outer circumference of the shaft undergoes hardening over a larger area, making high-frequency hardening more cost-effective. Therefore, high-frequency hardening was chosen, while laser hardening is considered safer for the bottom of the keyway. 【Specifications】 Dimensions: φ80×1229 Material: S45C Depth: 0.5–1.0mm Hardness: Hs70 or higher

企業：富士高周波工業
価格：Other

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Laser hardening of roller sliding surfaces case study

No coil needed, significant cost reduction with laser hardening!

【Conventional Issues】 This product is designed for small-batch production with a variety of types, and the hardened surface has an R shape, which typically requires the fabrication of coils for standard high-frequency hardening. (Fabrication cost: 100,000 yen; Fabrication time: 3 days) 【Advantages of Laser Hardening】 By switching to laser hardening, the need for coil fabrication is eliminated even in small-batch production, resulting in reduced fabrication costs and time. As a result, the manufacturing cost of the components has significantly decreased. 【Specifications】 Material: S45C Depth: 0.5mm or more Hardness: HRC58-60

企業：富士高周波工業
価格：Other

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Case study of laser hardening for small punch molds

Same-day delivery available! Improved durability with laser hardening!

【Conventional Issues】 Traditionally, vacuum hardening was performed using SKD11 (approximately 500 yen/kg), which took a minimum of one day. 【Advantages of Laser Hardening】 In the case of laser hardening, it is possible to switch to S45C (approximately 150 yen/kg), achieving a reduction in material costs and a shorter delivery time (about 10 minutes). 【Specifications】 Dimensions: W30×L50×T15 Material: S45C Depth: 0.5–1.0mm Hardness: HRC60

企業：富士高周波工業
価格：Other

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Thin Meat Roller Laser Hardening Case Study

Solve the soft zone problem with laser hardening!

【Conventional Issues】 In high-frequency induction hardening, the soft zone forms a triangular shape (red dashed line) and reaches approximately 30mm at its widest point. As a result, the durability at the position of the soft zone decreases. Additionally, distortion in thin sections is also a concern. 【Advantages of Laser Hardening】 In laser hardening, the soft zone is reduced to 1.5mm, resolving issues related to abnormal wear in the soft zone. Furthermore, distortion in thin sections is limited to within 0.1mm. 【Specifications】 Material: SCM435 Depth: 0.3–0.5mm Hardness: HRC55

企業：富士高周波工業
価格：Other

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Scroll cam laser hardening case study

A combination of nitriding and laser hardening!

【Conventional Issues】 Previously, nitriding was performed on the cam surface, but the nitrided layer would quickly wear away in areas that were prone to load, leading to localized abnormal wear and a shorter lifespan. 【Benefits of Laser Hardening】 By performing laser hardening only on the areas with severe wear, the hardened layer becomes deeper (approximately 0.5mm), which helps to suppress the occurrence of abnormal wear and contributes to an increase in product lifespan. 【Specifications】 Dimensions: φ56 L=1054 Material: S45C Depth: 0.5mm Hardness: HRC60

企業：富士高周波工業
価格：Other

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Case study of complex shape block laser hardening

Even complex shapes can be achieved with laser hardening!

【Conventional Issues】 There are three hardening surfaces on a single block, and they are very close to each other. As a result, during high-frequency hardening, the heat impact from hardening (2) and (3) after hardening (1) causes (1) to be tempered. 【Advantages of Laser Hardening】 Laser hardening is characterized by its ability to perform pinpoint hardening, which minimizes the thermal impact on the surrounding areas at each location. Therefore, there is no risk of tempering. 【Specifications】 Material: S45C Depth: 0.4–0.8mm Hardness: HRC55–57

企業：富士高周波工業
価格：Other

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Case of Axis Rotation Laser Hardening

Solve the problems of high-frequency hardening with laser hardening!

【Conventional Issues】 In conventional high-frequency hardening, there were three challenges: (1) the risk of cracks, (2) the narrowing of the key groove width, and (3) the hardening of the screw section. As a result, extra material had to be removed, leading to increased costs in post-processing. 【Advantages of Laser Hardening】 By adopting laser hardening, which allows for precise hardening of only the targeted areas, the issues (1) to (3) were resolved, resulting in a reduction in post-processing costs after hardening. 【Specifications】 Dimensions: φ30×L538 Material: S45C Depth: 0.3–0.8mm Hardness: HRC55 or higher

企業：富士高周波工業
価格：Other

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Main Axis Laser Hardening Case Study

Even with holes and grooves, laser hardening can prevent cracks!

【Conventional Issues】 Hardening of the sides and end faces is necessary, but due to the numerous hole and groove machining in the areas that require hardening, the difficulty of hardening increases with high-frequency quenching, raising the risk of cracking. 【Advantages of Laser Hardening】 With laser hardening, the grooves can be hardened by allowing light to escape, eliminating the risk of cracking. Additionally, for the holes, there is no edge effect like with high-frequency, so there is no risk of overheating. 【Specifications】 Dimensions: φ280×L780 Material: SCM440 Depth: 1.0–1.5mm Hardness: HRC50–56

企業：富士高周波工業
価格：Other

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Measures against soft zones using laser hardening

Solve the soft zone problem after high-frequency hardening with patented laser hardening technology!

【Conventional Issues】 In the rotating induction hardening of high-frequency hardening, a soft zone (approximately 10mm) occurs at the start and end positions. As a result, the soft zone wears out, leading to reduced lifespan and abnormal noise. 【Benefits of Laser Hardening】 With laser hardening, the soft zone created by high-frequency hardening has been filled. By reducing the soft zone to approximately 1.5mm, wear during use has been prevented, overcoming issues related to product lifespan and abnormal noise. 【Specifications】 Product Name: Ring Material: S45C Hardness: HRC60 Soft Zone after High-Frequency Hardening 10mm ⇓ After Laser Hardening 1.5mm *Patent Obtained 【Patent Application 2017-036507 Method for Surface Hardening Steel Parts】

企業：富士高周波工業
価格：Other

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Case of laser hardening for head wrench mounting part

The inside of the square hole is hardened by laser hardening!

【Conventional Issues】 In high-frequency hardening, it is difficult to manufacture coils that only harden the inner surface of the □9.6mm section, and due to thermal effects, unnecessary areas become hardened, leading to distortion after heat treatment. 【Advantages of Laser Hardening】 With laser hardening, the manufacturing of coils is no longer necessary. Additionally, by precisely hardening only the inner surface of the □9.6mm section, distortion after heat treatment is almost nonexistent. 【Specifications】 Dimensions: □9.6mm section Material: SCM440 Hardness: HRC58 Depth of hardened layer: 0.3mm

企業：富士高周波工業
価格：Other

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Piston shaft laser hardening case study

I forgot the heat treatment process! What should I do?!

【Conventional Issues】 Due to skipping the hardening process, the necessary areas were not hardened and were instead polished. High-frequency hardening was considered, but the risk of distortion due to significant heat impact was concerning. 【Advantages of Laser Hardening】 By performing laser hardening only on the necessary areas, it was processed with minimal distortion. The outer diameter dimension increased by 0.01mm before and after hardening, but the overall distortion was "zero." 【Specifications】 Material: S45C Depth: 0.3mm Hardness: HRC60

企業：富士高周波工業
価格：Other

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L1200×10t plate laser hardening case study

Solving the challenge of 'distortion' in heat treatment of thin meat plates with laser hardening!

【Conventional Issues】 High-frequency hardening is possible, but if back surface hardening is performed for distortion correction, the surface will be tempered due to heat influence, resulting in a loss of hardness. Therefore, there were high costs associated with distortion correction for products that were significantly warped after hardening on one side only. 【Advantages of Laser Hardening】 By adopting laser hardening, it became possible to perform back surface hardening for distortion correction even on plates with a thickness of 10t, significantly reducing the labor involved in distortion correction. The amount of distortion after hardening was also reduced to within 0.2mm across the entire length. 【Specifications】 Dimensions: L1200×W80×10t Material: S50C Hardness: HRC60 Depth: 0.5 to 1.0mm

企業：富士高周波工業
価格：Other

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Case study of ring V groove hardening.

We are laser hardening down to the finest details!

【Conventional Issues】 In carburizing hardening, unnecessary areas become hardened, leading to increased distortion. Additionally, the hole and key groove areas are thin, which poses a risk of cracking after hardening. 【Benefits of Laser Hardening】 With laser hardening, partial hardening of the cam surface can minimize distortion. Furthermore, since it does not affect the heat of the hole and key groove areas, the risk of cracking is also avoided. 【Specifications】 Material: S45C Hardness: Hs72-80 Depth: 0.8UP

企業：富士高周波工業
価格：Other

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Cutter cam laser hardening case study

No finishing process with laser hardening! Labor hours can be reduced!

**Conventional Issues** When high-frequency hardening is applied to the cam surface, significant distortion occurs due to its thinness. Additionally, the inner diameter with the keyway also undergoes dimensional changes, necessitating finishing work after hardening. **Benefits of Laser Hardening** By laser hardening only the cam surface, distortion of the cam surface can be reduced. Furthermore, there is no thermal impact on the inner diameter, eliminating the need for finishing work, which leads to a reduction in processing time. **Specifications** Material: SCM440 Hardness: HRC55 Depth: 0.3mm

企業：富士高周波工業
価格：Other

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Laser hardening×富士高周波工業 - メーカー・企業と製品の一覧

Laser hardeningの製品一覧