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Laser hardening Product List

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Case study of laser hardening of fan-shaped plates

Case study of laser hardening of fan-shaped plates

The iron fan will be laser hardened with "crack avoidance" and "distortion reduction"!

【Conventional Issues】 When hardening fan-shaped plates with high-frequency hardening, there are two main concerns: (1) There is a possibility of cracks occurring in the large holes near the outer diameter. (2) It is difficult to remove distortion. 【Advantages of Laser Hardening】 With laser hardening, there is no risk of cracks forming near the holes close to the outer diameter due to self-cooling. Additionally, by hardening both sides evenly, distortion can be reduced to less than 0.1mm. 【Specifications】 Dimensions: R405×W275×T25 Material: S45C Depth: 0.5mm or more Hardness: HRC52 or more

  • Processing Contract
  • Laser hardening

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100mm wide laser hardening case study

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

  • Processing Contract
  • Laser hardening

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

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

  • Processing Contract
  • Laser hardening

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Laser hardening of roller sliding surfaces case study

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

  • Processing Contract
  • Laser hardening

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Case study of laser hardening for small punch molds

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

  • Processing Contract
  • Laser hardening

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Thin Meat Roller Laser Hardening Case Study

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

  • Processing Contract
  • Laser hardening

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Scroll cam laser hardening case study

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

  • Processing Contract
  • Laser hardening

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Case study of complex shape block laser hardening

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

  • Processing Contract
  • Laser hardening

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Case of Axis Rotation Laser Hardening

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

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  • Laser hardening

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Main Axis Laser Hardening Case Study

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

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  • Laser hardening

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Measures against soft zones using laser hardening

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】

  • Processing Contract
  • Laser hardening

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Case of laser hardening for head wrench mounting part

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

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  • Laser hardening

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Piston shaft laser hardening case study

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

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  • Laser hardening

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L1200×10t plate laser hardening case study

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

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  • Laser hardening

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Case study of ring V groove hardening.

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

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  • Laser hardening

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Cutter cam laser hardening case study

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

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  • Laser hardening

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Case study of small roller laser hardening

Case study of small roller laser hardening

Only the V-groove part is heated precisely!

【Conventional Issues】 In high-frequency hardening, it was difficult to harden only the groove parts that required hardening, so the entire outer circumference had to be hardened. As a result, dimensional changes occurred in the outer and inner diameters, necessitating post-processing after hardening. 【Advantages of Laser Hardening】 Laser hardening can heat only the V-groove parts that require hardening with pinpoint accuracy. Therefore, it reduced the finishing processes due to swelling of the outer diameter and shrinkage of the inner diameter after heat treatment. 【Specifications】 Material: S45C Hardness: HRC60 Depth: 0.7mm

  • Processing Contract
  • Laser hardening

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Case of stopper tip laser hardening

Case of stopper tip laser hardening

Avoiding cracks in thin sections with laser hardening!

【Conventional Issues】 This project involves a special shape, so it is necessary to manufacture a dedicated coil for high-frequency hardening, which incurs additional production costs and time. Additionally, there is a risk of cracks in the thin-walled areas on both sides. 【Advantages of Laser Hardening】 Laser hardening does not require coils, allowing for implementation without incurring production costs and time. Furthermore, the thin-walled areas on both sides can be hardened without causing cracks. 【Specifications】 Material: S45C Hardness: HRC58 Depth: 0.5mm

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  • Laser hardening

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Tapered cone outer circumference laser hardening case study

Tapered cone outer circumference laser hardening case study

Large items can also be laser hardened!

【Conventional Issues】 When using high-frequency induction hardening, the soft zone (SZ) becomes larger (approximately 10mm). Additionally, when using single-shot hardening, the gap increases in areas with smaller diameters, leading to greater hardness variation. 【Advantages of Laser Hardening】 Laser hardening can achieve hardening with an SZ of approximately 1.5mm (in this case, the SZ is in the circumferential direction). With a smaller SZ, durability is improved. Furthermore, since hardening is done line by line, there is no hardness variation. 【Specifications】 Dimensions: φ500×T297 Material: SCM440 Depth: 0.5–1.0mm Hardness: HRC60

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  • Laser hardening

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Laser hardening of the inner diameter R surface of a clamp die - Case Study

Laser hardening of the inner diameter R surface of a clamp die - Case Study

We will perform laser hardening line by line!

【Conventional Issues】 In high-frequency hardening, there is a very high risk of cracking occurring at the edge areas on both sides of the convex surface of the inner diameter R, making it difficult to safely harden only the convex surface. Additionally, there are concerns about dimensional changes due to distortion after heat treatment. 【Advantages of Laser Hardening】 Laser hardening allows for localized hardening without risking cracking, even in areas with edges. In this case, there has been almost no distortion after heat treatment following laser hardening. 【Specifications】 Dimensions: L720×Φ618×Φ201 Material: S45C Hardness: HRC58 Depth: 0.6mm

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  • Laser hardening

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Chuck raw nail laser hardening case study

Chuck raw nail laser hardening case study

Harden only the worn parts to extend the lifespan of the components!

【Conventional Issues】 Previously, commercially available raw claws were used, but they quickly wore out at the sliding parts due to abrasion during opening and closing, necessitating frequent replacements and incurring unnecessary costs. 【Benefits of Laser Hardening】 Even with commercially available raw claws, if the material is suitable for hardening, partial hardening can be performed to harden only the worn parts, thereby extending the lifespan of the components. 【Specifications】 Dimensions: L80×H47×T20 Material: S45C Hardness: HRC58 Depth: 0.5mm

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  • Laser hardening

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Case study of laser hardening at the tip of a track plate.

Case study of laser hardening at the tip of a track plate.

It looks easy, but it's difficult. The laser bends in the middle!

【Conventional Issues】 When performing surface hardening on the tip using high-frequency hardening, the area near the tip becomes excessively hardened, resulting in significant deformation after heat treatment. Although distortion correction was carried out, it took a considerable amount of time. 【Benefits of Laser Hardening】 With laser hardening, it is possible to harden only the truly necessary parts of the workpiece, avoiding unnecessary thermal effects on the workpiece and minimizing deformation caused by heat treatment. 【Specifications】 Dimensions: L200×H120×T6.15 Material: S50C Hardness: HRC62 Depth: 0.7mm

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  • Laser hardening

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Thin Meat V Ring Laser Hardening Case Study

Thin Meat V Ring Laser Hardening Case Study

High-hardness laser hardening can be done quickly!

**Conventional Issues** In high-frequency hardening, the V-shaped surface of the inner diameter within the hardening range becomes over-hardened, resulting in significant distortion after heat treatment and exceeding dimensional tolerances. Although distortion correction was attempted, the risk of cracking was high due to the over-hardened V surface, making correction impossible. **Advantages of Laser Hardening** With laser hardening, it is possible to harden only the surface of the V-shaped area to a high hardness. Additionally, since only the surface is hardened and the interior of the workpiece remains unhardened, the distortion after heat treatment can be kept to a very small level. **Specifications** Dimensions: Φ326×Φ289×T4 Material: S45C Hardness: HRC58 Depth: 0.3mm

  • Processing Contract
  • Laser hardening

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Case of cut pin laser hardening

Case of cut pin laser hardening

We were able to deliver it 10 minutes after arrival!

【Conventional Issues】 I wanted to harden only the tip while ensuring that the outer diameter of the pin's tip does not bulge. However, with high-frequency hardening, the outer diameter increases because the heating starts from the outer diameter to raise the hardness of the tip. 【Advantages of Laser Hardening】 With laser hardening, the deformation related to the bulging of the outer diameter at the tip was kept within 3μm. Additionally, since laser hardening does not require coils, delivery was possible within 10 minutes after bringing in the item. 【Specifications】 Dimensions: φ15×30L Material: S45C Hardness: HRC60 Depth: 0.5mm

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  • Laser hardening

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M10 Gear Tooth Surface Laser Hardening Case Study

M10 Gear Tooth Surface Laser Hardening Case Study

Reduce construction time and costs with laser hardening!

【Conventional Issues】 The final precision required for the gears is not that high, but if high-frequency hardening or carburizing is performed, the precision of the gears deteriorates, necessitating a gear grinding process. 【Advantages of Laser Hardening】 By finishing to the required precision during the gear cutting process and making laser hardening the final step, the degradation of tooth precision has been minimized. As a result, the gear grinding process has been eliminated, leading to reductions in both construction time and costs. 【Specifications】 Dimensions: Φ227×145mm Material: SCM440 Hardness: HRC55 Depth: 0.5mm

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  • Laser hardening

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Laser Hardening Material-Specific Hardening Data (2023) Technical Seminar Materials

Laser Hardening Material-Specific Hardening Data (2023) Technical Seminar Materials

We will publish hardening data for laser hardening by material type!

This document is the PowerPoint material for the technical seminar hosted by our company. 【Seminar Title】 Laser Hardening Technology Seminar No. 7: "Hardening Data by Material for Laser Hardening" 【Content】 There are various materials that are easy or difficult to harden in laser hardening. This is briefly explained, including the reasons. This seminar serves as a reference for design engineers considering laser hardening during the design phase. 1. Company Introduction 2. Carbon Steel for Machine Structures (S××C), Alloy Steel (SCM×××) 3. Cast Materials (FCD×××, FC×××) 4. Martensitic Stainless Steel (SUS440C, SUS420J2) 5. Tool Steel (SKD11, SKD61) 6. Summary 【Recommended for!】 - Those who want to know about materials commonly used in laser hardening - Those who want to understand the hardening characteristics of various materials

  • Processing Contract
  • Laser hardening

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Case of laser hardening of the shaft part of the whetstone platform.

Case of laser hardening of the shaft part of the whetstone platform.

Combining toughness and wear resistance!

【Conventional Issues】 In high-frequency hardening, the shaft diameter becomes φ6, resulting in hardening all the way to the interior, which poses a toughness issue as it can break under impact. However, the surface of the shaft wears out, so it was desired to harden it. 【Advantages of Laser Hardening】 With laser hardening, only the surface of the φ6 shaft was hardened to a depth of 0.3mm. By not hardening the interior, both toughness and surface wear resistance characteristics were achieved. 【Specifications】 Dimensions: φ6×59.5mm Material: SCM435 Hardness: HRC51 or higher Depth: 0.3mm

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  • Laser hardening

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Laser Hardening Case Study Solutions (23.10) Technical Seminar Materials

Laser Hardening Case Study Solutions (23.10) Technical Seminar Materials

For those who want to solve issues such as distortion problems in heat treatment with laser hardening.

This document is the PowerPoint material for a technical seminar hosted by our company. 【Seminar Title】 Laser Hardening Technology Seminar, 3rd Session: "Case Studies on Solving Laser Hardening Challenges" 【Content】 We will explain specific case studies on how challenges in laser hardening were addressed, detailing the issues faced in previous heat treatments and how they were resolved through laser hardening. This seminar will be beneficial for those currently dealing with challenges in heat treatment. 1. Company Introduction 2. Case Studies on Problem Solving 3. Conclusion 【Recommended for!】 - Those who want to learn more about the applications of laser hardening - Those who want to study the benefits of laser hardening through case examples

  • Processing Contract
  • Laser hardening

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[Latest Edition] Laser Hardening Case Studies

[Latest Edition] Laser Hardening Case Studies

This is a collection of laser hardening case studies that addresses various projects with top-class domestic facilities. Collections of past case studies Volumes 1 to 30, as well as case studies by processing type, are also available!

We will introduce examples of laser hardening that prevent distortion and cracking, making it possible to harden precision parts and complex-shaped components. 【Example Lineup】 ■ Laser hardening of chuck jaws ■ Laser hardening of large tapered rolls ■ Laser hardening of truck plate tips ■ Laser hardening of small holders ■ Laser hardening of M2 rack gears ■ Laser hardening of thin-walled V-rings ■ Laser hardening of indexing pins ■ Laser hardening of spiral bevel gear tooth surfaces ■ Laser hardening of thin-walled cam plates ■ Laser hardening of φ600 mold inner diameters

  • Processing Contract
  • Laser hardening

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Laser Hardening Case Studies Vol. 11-20

Laser Hardening Case Studies Vol. 11-20

A collection of laser hardening case studies addressing various projects with top-class domestic facilities.

We will introduce examples of laser hardening that prevent distortion and cracking, making it possible to harden precision parts and complex-shaped components. 【Example Lineup】 ■ Laser hardening of complex-shaped blocks ■ Laser hardening of rotating shafts ■ Differences in hardenability due to material variations ■ Laser hardening of spindles ■ Laser hardening of ring gears ■ Laser hardening of key grooves in small-diameter ball screws ■ Measures against soft zones using laser hardening ■ Laser hardening of head wrench mounting parts ■ Laser hardening of piston shafts ■ Laser hardening of L1200×10t plates

  • Processing Contract
  • Laser hardening

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