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Cause investigation Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Cause investigation Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. 分析センター 第一技術研究所 Tokyo//Testing, Analysis and Measurement
  2. 日本水処理工業 本社 Osaka//environment
  3. 大阪富士工業 Hyogo//Manufacturing and processing contract
  4. 4 TSエンジニアリング Kyoto//Other manufacturing
  5. 4 東陽物産 Tokyo//Trading company/Wholesale
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Cause investigation Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Investigation of the causes of resin material damage 分析センター 第一技術研究所
  2. Metal Materials Fatigue Fracture Case: Investigation of Shaft Fracture Causes 分析センター 第一技術研究所
  3. Investigation of the causes of pipe leakage 分析センター 第一技術研究所
  4. [Verification Case] Investigation of the Cause of Refrigerant Leakage in Welded Plate Heat Exchangers 日本水処理工業 本社
  5. 4 Investigation of the Causes of Metal Material Damage 分析センター 第一技術研究所

Cause investigation Product List

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[Service] Cause investigation through foreign matter analysis

[Service] Cause investigation through foreign matter analysis

Leave the analysis of foreign substances to us! Are there any foreign substances coming from tap water or scattered from the air conditioner?

We offer a "Cause Investigation through Foreign Substance Analysis" service. Are there any foreign substances (such as black or green particles) coming from tap water, settling or floating in tanks, dispersing from air conditioners, clogging filters, or accumulating in ceilings? After discussing the occurrence of foreign substances, we analyze them using various devices to identify the substances. Please feel free to consult us when you need our services. 【We handle the following types of foreign substances】 ■ Foreign substances coming from tap water (such as black or green particles) ■ Foreign substances settling or floating in tanks ■ Foreign substances dispersing from air conditioners ■ Foreign substances clogging filters ■ Foreign substances obstructing pipes ■ Foreign substances accumulating in ceilings *For more details, please refer to the PDF document or feel free to contact us.

  • Other contract services

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Investigation of leakage causes in piping for heat exchangers

Investigation of leakage causes in piping for heat exchangers

Cleaning during use, surface coating treatment, etc.! Helps prevent recurrence of leaks.

We are investigating the causes of leaks in heat exchanger piping using various analyses. By conducting this investigation, we can implement measures to prevent recurrence. (Such as cleaning during use, surface coating treatments, etc.) We have received feedback from customers stating that our measures have been helpful in preventing the recurrence of leaks. 【Applications】 ■ Heat exchanger industry ■ Air conditioning equipment installation companies *For more details, please feel free to contact us.

  • Contract Inspection

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Investigation of the causes of pipe leakage

Investigation of the causes of pipe leakage

For the construction and water supply industries! Conducting cross-sectional observations of pipes and EPMA analysis.

We would like to introduce our "Leakage Cause Investigation for Piping." By conducting cross-sectional observations of pitting corrosion, we can visualize whether the corrosion progressed from the inside or the outside, allowing us to report scientific evidence of the leakage cause to the end users. Additionally, we perform EPMA analysis on the scale that has formed inside the pipe, enabling us to visualize the presence and distribution of corrosive elements. 【Customer Feedback】 ■ By conducting microscopic observations, we confirmed that the pitting corrosion progressed from the inside. ■ By analyzing the scale inside the pitting corrosion with EPMA, we confirmed the presence and concentration of corrosive elements. *For more details, please feel free to contact us.

  • Contract Inspection

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Investigation of causes through foreign substance analysis

Investigation of causes through foreign substance analysis

Small anomalies, big clues! By database-ing past cases, quick and accurate judgments are possible.

"Foreign substances" are defined as things that are different from the norm, such as strange items that cause discomfort. Through foreign substance analysis, it is possible to gain significant clues for clarifying the causes of troubles and solving problems. Our company conducts water quality testing for drinking water, hot and cold water, and cooling water in-house. By performing water quality tests on-site alongside foreign substance analysis, we can verify whether the foreign substances or troubles are derived from the water quality. Additionally, we conduct over 500 foreign substance tests annually, allowing us to create a database of past cases, which enables us to make quick and accurate judgments based on that data. [Features] - In-house water quality testing for drinking water, hot and cold water, and cooling water - In addition to analysis, we also perform cleaning of hot and cold water systems in-house, and in cases of foreign substances caused by corrosion, we can propose cleaning or anti-corrosion agents - Extensive track record: conducting over 500 foreign substance tests annually *For more details, please refer to the PDF document or feel free to contact us.

  • Other contract services
  • Other services
  • Contract Inspection

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Investigation and production of screw breakage causes for papermaking.

Investigation and production of screw breakage causes for papermaking.

We conducted an investigation including visual inspection, penetrant testing, and SEM observation! Based on the investigation report, we have newly manufactured the product.

We would like to introduce a case study for the paper industry titled "Investigation and Production of Screw Breakage Causes." During operation, a screw broke, and the technical center conducted an investigation into the cause. We performed various examinations, including visual inspection, penetrant testing, and SEM observation. Additionally, based on the investigation report, we produced a new screw. 【Investigation Details】 ■ Visual Inspection ■ Penetrant Testing ■ SEM Observation ■ Macro Observation of the Joint Cross-section ■ Micro Observation of the Joint Cross-section *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements
  • Other contract services

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[Verification Case] Investigation of the Cause of Refrigerant Leakage in Welded Plate Heat Exchangers

[Verification Case] Investigation of the Cause of Refrigerant Leakage in Welded Plate Heat Exchangers

Clarifying the cause of 'freezing and expansion' in four steps! Introduction of scientific approach verification cases.

We would like to introduce a scientific approach to investigating the causes of refrigerant leaks in welded plate heat exchangers. In the visual inspection, no foreign objects or blockages were found at the cold water inlet and outlet sides, and no external deformations were observed. 【Investigation Overview】 ■ Visual Inspection ■ Air Tightness Test ■ Dissection Investigation ■ Water Quality Test 【Verification Results】 Based on the deformation characteristics of the plates, it is determined that the cause was the expansion of cold water inside the plates due to freezing. Once freezing occurs inside the plates, the circulation flow rate in that area decreases, leading to repeated freezing and increased deformation. In areas other than the deformed sections, no impact was observed on the plate materials, which are stainless steel and copper solder. Therefore, it is concluded that the cause of the gas leak was an incidental issue due to the removal of deposits from previously frozen areas. As a countermeasure, regular water quality management and maintenance are being implemented for improvement. *For more details, please refer to the PDF document or feel free to contact us.

  • Contract measurement
  • Contract Inspection
  • Contract Analysis

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Investigation of the Causes of Metal Material Damage

Investigation of the Causes of Metal Material Damage

It is possible to understand the circumstances that led to failure, such as fatigue failure, ductile failure, and brittle failure!

We would like to introduce our service for "Investigation of Causes of Metal Material Failure." By observing the fracture surfaces and cross-sections of the broken metal materials, we investigate the causes leading to the fracture by identifying the origin of the failure and the type of failure. If corrosion products are present on the fracture surface, we can estimate the elements contributing to the corrosion through component analysis of the detected elements. 【Investigation Process】 1. Visual Inspection 2. Macro Examination 3. Micro Examination 4. Analysis of Adherents 5. Cause Analysis 6. Prevention Recommendations *For more details, please refer to the PDF document or feel free to contact us.

  • Contract Inspection

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Investigation of the causes of resin material damage

Investigation of the causes of resin material damage

For damaged products made of various resins! Identify the origin of cracks and the type of damage.

We would like to introduce our "Investigation of the Causes of Resin Material Failure." By magnifying and observing the fracture surface of the damaged resin material, we identify the origin of cracks and the type of failure, allowing us to investigate the cause of the damage. We can understand the circumstances that led to the failure, such as fatigue failure, ductile failure, and brittle failure. [Customer Feedback] ■ We were able to understand the cause of the failure and implement countermeasures. ■ We were able to report the investigation results to the end user as findings from a third-party organization. *For more details, please feel free to contact us.

  • Contract Inspection

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Clarification of odor-causing substances and chemical proof of the intrusion route through odor cause investigation.

Clarification of odor-causing substances and chemical proof of the intrusion route through odor cause investigation.

It can be utilized for the impact of exhaust gases from facilities that cook with oil on downwind facilities!

We conduct "investigations into the causes of unusual odors to identify the substances responsible and chemically prove the pathways of intrusion." Through on-site investigations (sample collection) and chemical analysis, we can chemically prove the "identification of the substances causing the unusual odors," the "proof of the pathways of intrusion," and whether what is emitted from the source matches the "contaminants." We have received feedback from customers stating that they had a chimney extension constructed for the store that emitted the unusual odor, allowing the exhaust outlet to be installed above the height of the store building. [Features] ■ The investigation results serve as chemical evidence, enabling requests for improvements to the source store regarding what is emitted from the source. ■ The investigation results serve as chemical evidence, allowing requests for cleaning of contaminated items at the source store. *For more details, please feel free to contact us.

  • Analytical Equipment and Devices

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[Metal Materials Brittle Fracture Cases] Investigation of Fracture Causes in Quenched and Tempered Parts

[Metal Materials Brittle Fracture Cases] Investigation of Fracture Causes in Quenched and Tempered Parts

Identify the type of fracture from the fracture morphology remaining on the fracture surface! A case study on investigating the cause of metal component cracking.

Here, we present a case of brittle fracture, which is a type of destruction. Upon further microscopic observation (using an electron microscope) of the fracture surface, features that were not apparent in macroscopic observation (visual inspection) became clear. From the microscopic observation images magnified approximately 1000 times, the fracture surface of the metal component displayed characteristics of cleavage fracture and suspected cleavage fracture. These are characteristic fracture surfaces observed in brittle fractures, allowing us to conclude that this metal component was fractured in a brittle manner. 【Case Summary】 ■ Features that were not apparent in macroscopic observation became clear ■ Shapes of cleavage fracture and suspected cleavage fracture were observed ■ It was determined that the fracture occurred in a brittle manner *For more details, please download the PDF or feel free to contact us.

  • Contract Analysis

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Investigation of the causes of flooring material deterioration

Investigation of the causes of flooring material deterioration

Investigating the causes of warping and discoloration of flooring! Conducting a "urine stain test" to examine the presence of urine.

We would like to introduce the "Investigation into the Causes of Flooring Material Degradation" conducted by our company. In residential flooring, warping of the floor material occurred, and the insulation material inside had turned yellow, prompting an investigation into the cause. The degradation of the flooring material was not due to a malfunction of the floor heating system, but rather suggested to be related to the presence of pets. [Investigation Details] ■ Sample collection on-site ■ Urine stain test on the collected samples *For more details, please download the PDF or feel free to contact us.

  • Other contract services
  • Other contract services

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Analysis of iron composition and cause investigation

Analysis of iron composition and cause investigation

Identify causes of sudden damage, cracks, and corrosion in materials such as iron and stainless steel, and solve related issues!

Our company, as a partner of Nippon Steel Technology Corporation, accepts inquiries regarding various analytical investigations. Analysis Contents: Component analysis, metallographic testing, hot working and processing reproduction tests, residual stress measurement, mechanical testing, short-axis fatigue testing, Ono-Koiki rotational bending fatigue testing, resonance bending and resonance torsion fatigue testing, calibration of measuring and measuring instruments, non-destructive testing (NDT), various dispatched inspections, high-temperature medical evaluation tests, and high-pressure tests. By collecting detailed information from our company, clients can benefit from conducting investigations without hassle, in a short time, and at low cost. Therefore, we are ideal for inquiries such as: - I want to investigate the cause of a sudden component failure, but I don't know where to consult. - I want to request a low-cost, pinpoint, and speedy investigation. - There are various factors involved, so I want to investigate the cause while consulting in detail with an expert. Please feel free to contact us using the information provided below. TEL: 03-5962-4157 FAX: 03-5962-4158 Mobile: 080-9428-4003 (Contact: Sales Koichi Ikeda) Email: info@toyo-b.co.jp

  • Testing Equipment and Devices

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Metal Materials Fatigue Fracture Case: Investigation of Shaft Fracture Causes

Metal Materials Fatigue Fracture Case: Investigation of Shaft Fracture Causes

It is possible to establish the timing for parts replacement! Here we introduce a case study on investigating the cause of metal parts breaking.

Here is an example of fatigue failure, which is a type of fracture. From several microphotographs taken at tens of times magnification, multiple ratchet marks (steps generated by the merging of fatigue fracture surfaces) were observed near the fracture initiation point. Additionally, at approximately 1000 times magnification, striations (fatigue wrinkles) were seen as wave patterns. These characteristic patterns observed in fatigue failure were noted on the fractured surface of this metal component, allowing us to conclude that this metal part failed due to fatigue. [Case Summary] - Features not discernible through macro observation (visual inspection) were revealed. - Ratchet marks and wave patterns known as striations were observed. - It was determined that the failure was due to fatigue. *For more details, please download the PDF or feel free to contact us.

  • Contract Analysis

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