YKアキュラシ― Product Lineup

As a pioneer in the baseball world, this is a prestigious site with a 100-year tradition, located in one of the largest historical outdoor baseball stadiums in the country. It is the actual plate that was used on the mound, a battleground that high school baseball players from across the nation aspire to reach. A request was made to process it by cutting it in half for display purposes. The size is a custom piece measuring 160mm x 160mm x 610mm, and the material is likely Dunky rubber (elastic rubber). Typically, at other stadiums, the thickness is about 80mm, which is half of this. The surface shows signs of wear from intense spike marks and is still covered with dirt that tells the story of its history. 【Finish】 Despite being a solid block of special Dunky rubber with an overwhelming thickness of 160mm, we were able to achieve an extremely sharp and beautiful cut surface without any melting due to friction heat or distortion at the cut edges. By cleanly dividing it while preserving the historical value of the spike marks and dirt (from ○○○), we can achieve high quality for creating display samples for museums and memorial halls.

• Rubber

【Processing Points】 In order to ensure water and dust resistance (waterproof specifications) and prevent disconnection (strain relief) under harsh environmental conditions, we adopted a molded structure for an inline (relay type) sensor protection and waterproof case (a molded integrated acceleration sensor unit that also serves as an amplifier/relay unit). We conducted cutting processing aimed at verifying the internal structure. 【Our Solution】 In the internal verification of a composite structure made of various materials with completely different hardness and texture, such as resin, rubber, copper wire, and metal, mechanical cutting tools or thermal cutting methods can cause material peeling, deformation, delamination, and bursting. We have achieved an optimal cutting environment by highly integrating advanced settings and optimal cutting speed settings with water jet cutting. Processing Know-How (Settings and Cutting Speed Settings): For a complex composite structure of dissimilar materials with significant hardness differences, ranging from soft rubber and resin to hard metal and copper wire, we establish optimal settings to prevent peeling and breaking, and by setting the optimal cutting speed according to the material properties, we accurately expose the internal layer structure and wiring state without disruption.

• Sensors

In order to run safely and comfortably in harsh environments such as unpaved roads and mountain paths, we have implemented cutting processes aimed at verifying the internal structure of high-performance trail running shoes, which are constructed with a special structure different from that of road shoes to "protect," "grasp," and "stabilize," and are equipped with high durability, high breathability, high cushioning, and high stability. Our solution involves the internal verification of high-performance shoes that are composed of a variety of fibers, resins, and rubber materials with differing hardness levels in a three-dimensional composite. Mechanical cutting tools or heat cutting methods can cause material peeling or deformation. Additionally, due to the large hollow sections, we have achieved an optimal cutting environment by highly integrating advanced settings and optimal cutting speed settings with water jet cutting. For the setting and cutting speed settings, we construct optimal settings to prevent breakage or delamination for structures that are complexly layered with materials of significantly different hardness, ranging from flexible mesh materials to high-hardness soles. By setting the optimal cutting speed according to the characteristics of the materials, we can accurately expose the internal layered structure and adhesive conditions without disturbing them.

• Work shoes

We received a request from a product manufacturer after they viewed and referenced various processing examples. To accommodate high voltage, we conducted internal verification cutting on industrial igniters filled with potting material to check for any filling leaks or voids near the high-pressure coil. In the internal inspection of products that complexly combine a variety of materials and parts with differing hardness, such as cases, potting materials, circuit boards, high-pressure transformers (ferrite cores), aluminum heat sinks, and electrical components, it is difficult to use mechanical blades or thermal cutting methods. Using general cutters can cause blade chipping or melting of the filler due to friction heat. Therefore, we have highly integrated advanced settings and optimal cutting speed settings to achieve the best cutting environment. For complex laminated and filled structures with multiple materials of varying hardness (such as resin, metal, and ceramics), we establish optimal settings to prevent delamination and breakage, and by setting the optimal cutting speed according to the material properties, we accurately expose the internal structure and bonding conditions while minimizing cross-sectional disturbance.

• Composite Materials

We conducted precision cutting to verify the internal structure of containers and structures that protect silicon chips (IC chips) with finely etched circuits and connect them electrically to external substrates. Processing Know-How (Setting): By deeply understanding the characteristics of the delicate multilayer structure's stacking pitch and materials, we established optimal settings to minimize tiny vibrations and delamination during cutting. This allows for accurate exposure of the internal bonding conditions as they are. High-Pressure Water Jet (Hardware): Through non-thermal cutting that exerts no thermal influence, we thoroughly eliminate the melting of resin, the generation of internal stress, and interlayer delamination. Without concerns about thermal deformation or structural changes, it is possible to accurately verify the fine structures and joints of the package. As seen in the semiconductor package verification cutting images, even in complex package structures with a mix of materials of varying hardness, such as metal layers, resin layers, and silicon, we expose extremely clean and sharp cross-sections without causing interlayer delamination or deformation. Since we can verify the internal conditions clearly and without distortion, we strongly support the acquisition of reliable data for quality evaluation and analysis.

• Semiconductors and ICs
• Composite Materials

We have implemented high-precision rectangular (rectangular) uneven cutting processing on both end faces and specified areas of the resin timing belt with metal wire (existing molded product). Even for composite materials that combine the different textures of resin and metal, we achieve excellent cutting quality by utilizing the characteristics of water jet technology. In cutting composite materials that integrate resin and high-strength metal wire, we combine precise path control through software with water jet cutting (hardware) technology. As part of our processing know-how (software), we consider the unique pitch, laminated structure, and height differences of the belt to construct an optimal tool path that minimizes small distortions during cutting. We perform settings to eliminate winding tendencies as much as possible, enabling cutting of complex rectangular (rectangular) uneven shapes with dimensional accuracy as designed. As for high-pressure water jet (hardware), we achieve non-thermal cutting that prevents melting of the resin and the generation of burrs or peeling of the metal wire. We also demonstrate excellent penetration and cutting capabilities for thick plate belts, resulting in a clean finish on the cross-section. We propose optimal processing tailored to our customers' applications.

• belt
• Belts and pulleys

A material that has almost no hardening due to heat treatment and is also excellent in corrosion resistance. Deformations such as warping and distortion caused by heat or force during metal processing do not occur, and the material is tested using water jet cutting processing that does not impose any load on it. The cutting process is completed in a flat state without the generation of residual stress.

• stainless

A durable, weather-resistant, and abrasion-resistant belt with a metal wire in the core. Composite products made from synthetic rubber, resin, and metal materials are difficult to process with other methods, but with water jet cutting, we can easily perform custom dimension cutting and hole drilling for fixing.

• belt

A workpiece with a cross-section formed by integrally combining resin with high strength, heat resistance, sliding properties, low wear, lightweight, and chemical resistance, and stainless steel with excellent properties such as heat resistance, processability, and strength, was cut for cross-sectional inspection. The cutting was done using a water jet, which does not apply continuous stresses such as heat or vibration to the material. However, after starting the half-split cutting in a state where the product specifications were completely fine, when approaching the center, some areas were damaged due to the release of stress caused by the differences in expansion and contraction of the materials. Although we have performed various workpiece cuts, this was a first-time experience. There were no issues with confirming the molding conditions other than the strength test.

• Composite Materials

Japan is said to be one of the leading cement-producing countries in the world. The inclusion of aggregates is not only to increase strength but also to control the heat generated during the "hydration reaction," which occurs when cement reacts with water and hardens. This reaction is a type of "exothermic reaction," and it helps to suppress the amount of heat generated during large-scale reactions. Additionally, it prevents phenomena such as cracking caused by "drying shrinkage" and "autogenous shrinkage," which occur when moisture evaporates after hardening. Due to the hardness difference between the aggregates and cement, cutting with a water jet can be performed with minimal impact, unlike other cutting devices that are prone to damage. This makes it suitable for strength testing and internal inspection cutting.

• others

Special material heat exchanger water jet cutting Special SUS on the outer circumference, special SUS laminate on the inside, with special resin filling in the gaps Since it is considered as primary processing, there were no strict requirements regarding cutting precision, but the state of the resin filling in the gaps proved effective, preventing the diffusion and scattering of the water flow. Although it was a thick workpiece, it was cut almost vertically.

• Heat exchanger

Vibration-damping rubber for vehicle power sources, body and bogie cushioning, air conditioning systems, etc. The used parts have been cut into four sections for internal structure confirmation and inspection. Considering the environment, the rubber material is designed for long life and high durability, and it is composed of metals that can withstand harsh operating conditions. Therefore, this is a case where water jet cutting excels, allowing for condition verification with minimal destruction or damage to the internal structure.

• Composite Materials

A cushioning material used between ships and quay walls, featuring excellent properties such as weather resistance, seawater resistance, and cut resistance, is integrated with a buried steel plate for a robust installation. Custom dimension cutting is available for areas that cannot accommodate standard sizes. The cutting of composite materials that integrate relatively soft materials with harder materials is a field in which water jet cutting excels, and it is utilized in a wide range of applications.

• Steel
• Rubber
• Composite Materials

Sign behind the commentary booth for the volleyball World Cup television broadcast. Due to the acrylic panel alone not meeting design and strength requirements, an urgent request for countermeasures was made. It is a plastic resin with high hardness, excellent heat resistance, water resistance, weather resistance, and abrasion resistance, commonly used for kitchen countertops and furniture. Since it is a thick plywood with melamine as the decorative layer, there is a high possibility of cracks, chips, and delamination occurring in the resin part during water jet penetration, so pre-drilled holes are made at the penetration points before cutting.

• Signs, banners, lanterns, and curtains

It is a metal with excellent characteristics such as electrical conductivity, thermal conductivity, heat resistance, corrosion resistance, luster, and non-magnetism, but it is also a material that is difficult to process. Water jet cutting is a specialty for this material, so we accept various cutting processes for custom small lots of electrical contacts, crane brakes, and discontinued replacement parts without drawings. The thickness of copper plates that can be accommodated ranges from approximately 0.1mm to 100mm.

• Other metal materials

Brass, known for its high electrical conductivity, corrosion resistance, excellent hot forgeability, and high machinability, is used in applications such as watches and precision parts that require cutting. However, when it comes to long-length and thick plate processing, water jet cutting has been proposed and adopted as a suitable method. C2801P, the most commonly circulated material as brass plates, is also handled extensively in water jet cutting, ranking third after aluminum and copper. While achieving precision in machining processes can be challenging (±0.5mm), the cutting width is small (approximately 1mm), allowing for reduced cutting pitch. This enables processing two pieces from a single supplied material, contributing to improved yield rates. Brass plates can be produced with a thickness ranging from about 0.1mm to 100mm, accommodating a certain level of precision.

• Special Steel
• Other metal materials

EVA foam is a soft, elastic, and highly durable material that does not produce dioxins when incinerated, making it an environmentally friendly option. It does not contain endocrine disruptors and meets the standards of the Food Sanitation Act. Although it is a foamed material, it is high-density and sturdy, combining elasticity and flexibility, making it slip-resistant and quiet, while leaving no marks on floors or walls. Due to its low hardness, water jet cutting is used, and considering verticality and the occurrence of cuts, it is cut to a thickness of 60mm. It is further bonded with a safe and environmentally friendly adhesive, resulting in a total thickness of 240mm. Regarding processing data, it can be converted from various media such as image data and drawing data.

• others

Cutting samples for customers to observe the internal structure at the store. Various secret treatments are applied during cutting to prevent wetting, absorption, and scattering, among other things.

• Work shoes
• Safety shoes and sneakers

Numerous mesh-like angular hole cutting processes on A5052 material. The width of the grid lines (branch parts), which are the frame sections, is below the plate thickness, and since it is a continuous close-cutting process, there were some concerns. However, with water jet cutting, which does not have thermal effects or cutting resistance such as blade pressure, there were no distortions or warping, and no residual stress was generated during the cutting process.

• aluminum

To confirm the wear and damage of the rotating axis of the home appliance, it was cut into two parts. Considering the friction resistance, many of the rotating components are in a floating state, so there is a high possibility that small parts may be lost during a complete two-part cut. Therefore, I proposed a 90-degree opening cut. However, prioritizing the confirmation of the axis center, we accepted the risk of damage or loss of other parts and took measures to maintain stability in areas that could become unstable during cutting, and proceeded with the two-part cut. We successfully maintained the assembly state for all parts except for the washers. This was a project that took advantage of the benefit of being able to cut various materials simultaneously.

• Composite Materials

An all-aluminum heat exchanger designed to maximize the characteristics of materials with good thermal conductivity for various air conditioning and refrigeration equipment. This was a request for cutting a part of a certain famous design shape. Due to the complex composition of the material, shape cutting is absolutely impossible with other processing machines. Additionally, there were concerns regarding certain areas with water jet cutting, so we proposed a special treatment in advance, allowing us to cut even sharp areas without deformation, and the honeycomb structure was also cut perfectly. At YK Accuracy Co., Ltd., we not only handle aluminum, copper, carbon, FRP, and ceramic tiles, but we also receive many requests for processing various difficult-to-cut materials. We can produce any number of items with the same pattern using materials and hardness tailored to the usage environment, as well as make partial shape modifications. We propose that water jet processing is optimal for prototype production before mold making, as well as for one-off items and small quantities of difficult-to-cut materials. Furthermore, we excel in creating data related to design and aesthetics, generating processing data from all kinds of materials. We offer free test cuts for new materials, so please feel free to contact us.

• Heat exchanger
• Plate Heat Exchanger

Due to the special layout, some modifications and additional processing from standard products are required. Because it is painted steel plate, other cutting methods may cause issues such as burning or warping. We also accept post-processing from standard products using water jet cutting. Even if the standard product has bending or additional parts attached, with careful setup, partial additional processing from arbitrary shapes is possible. In this case, after measuring on-site, we performed cutting processing only on the cut-out parts without removing the paint or instruction seals. Although there may be slight burrs on the back side, for safety, we performed the cutting with rounded corners, and we also received repeat orders for different sizes.

• Piping

Conductors used in areas where high voltage and large currents flow are utilized in various applications such as distribution boards, control panels, and storage batteries. We respond promptly not only to mass production but also to special sizes of distribution boards and control panels. We cut tough pitch copper with a purity of 99.90% or higher to various thicknesses from about 1mm to 100mm and in various shapes as needed. Additionally, while aluminum materials are inferior in conductivity and tensile strength compared to general copper, they are lightweight and are also cut and manufactured for purposes of weight reduction and cost savings.

• Non-ferrous metals

Beautifully lustrous pearls, also known as "moon drops" and "mermaid tears," have been treasured as jewelry and medicine since ancient times. This time, we are here to help expand the possibilities of new designs. They can also be used for visual inspection, testing, and verification through internal structure division and cutting. The shape is not limited to spheres; thanks to YK Accuracy's unique technology proposal, we can also cut distorted, irregular, and small pearls.

• others

Verification of the bonding and adhesion state of a structure using different materials under harsh conditions. There are various welding methods available to firmly join dissimilar materials, such as heat welding, ultrasonic welding, and high-frequency induction welding, to meet diverse needs. While the welded areas can be cut without issues, unfortunately, due to the diffusion of the jet water flow in the voids of the metal parts, a complete vertical cross-section cut could not be achieved.

• Composite Materials
• stainless

Renovation and decoration project for the women's clothing section of a major well-known department store. Due to design changes and unstable dimensions of imported materials, over 1,000 pieces were cut beyond the initially planned quantity. Since changing the opening date is not an option, urgent short-term response is required.

• Glass

The commercially available cement concrete slabs measuring 60mm × 300mm × 300mm were cut to a size of 200mm × 200mm with rounded corners, taking into consideration the strength after cutting. In the test cuts, most of the aggregate used was crushed stone, and since the size and density of the aggregate were not consistent, the cutting conditions varied significantly. Therefore, processing was done at a cutting speed that ensured safety beyond the expected range.

• others

Response to custom equipment manufacturing involves partial modifications and additional processing from standard products. Due to the painted steel plates, other cutting methods may cause issues such as burning or warping. We also accept post-processing from standard products using water jet cutting. Even if the standard products have bending processes or additional parts attached, with careful setup, partial additional processing from arbitrary shapes is possible. This time, we are only handling one piece, so immediate response is difficult in the mass production process. You viewed similar cases from our water jet processing examples and made an inquiry. We took precautions to ensure that the paint and instruction labels do not peel off, and while there may be slight burrs on the backside, we also performed cutting with rounded corners for safety and strength.

• Power Monitoring Equipment

This is a prop used in a certain serialized television drama for the scene where the Hannya paper is cut in half. Although it was only a few seconds of footage requiring realism, we prioritized quality and cut the actual spare item. In the period drama film within the story, it was a swift cut, but with the water jet, it took several tens of seconds for one program. I sincerely apologize to the main body and all related parties, even though it was for work.

• Paper and pulp
• others

Hard Disk Drive (HDD) Auxiliary Storage Device Cutting This time, due to the more complex internal structure, with the cooperation of the manufacturer, we are able to cut the entire frame case after special processing, including the platters (disks), motors, bearings, heads, and other drive components, without damaging or dropping any fine precision parts.

• Other embedded systems (software and hardware)

Developed as a substitute for deformed or functionally impaired joints, it is composed of various materials such as ultra-high molecular weight polyethylene, cobalt-chromium alloy, titanium alloy, and ceramics, each utilizing its unique characteristics. Continuous improvements have been made, enhancing durability with the latest technology, and the expected lifespan is said to be approximately 20 years. The cutting of composite materials showcases the true capabilities of water jet cutting, allowing for verification without applying stress by cutting through the adhesion and void areas between materials.

• Other polymer materials
• Ceramics
• alloy

Cutting of samples for analysis and discussion of archaeological stone materials. Since these are cultural properties, changes in appearance due to observation or analysis should be avoided as much as possible. The samples are sliced to take portions for analysis, and we would like to examine whether the appearance can be restored to its original state, how much cracking or weathering can be processed, and other related objectives. This cutting is conducted as a verification and examination using water jet cutting. We hope this will contribute to future archaeology.

• Other polymer materials

Solar power, which replaces fossil fuels with limited resources, is driving the improvement of self-sufficiency rates and the increase of environmentally friendly natural energy. Research and testing samples for technological innovation and partial recycling in waste disposal are being conducted. In water jet cutting, the strong compressive stress present on the surface particularly helps to suppress the occurrence and spread of scratches and cracks, thereby improving the strength of tempered glass. However, tempered glass can shatter into fine particles in an instant due to the impact of the jet stream. It seems that the recycling and recovery of tempered glass, which constitutes a significant portion of costs, is a challenge.

• Solar power generator

Verification between metal and insulator For stress-free cross-section confirmation Request for water jet cutting Due to the heavy nature of the coil-embedded metal parts, the cutting direction and speed were handled with care.

• Inductor Coil
• Other machine elements
• Steel

It is positioned as the second generation of super fibers following para-aramid fibers. Thermoplastic ultra-high molecular weight polyethylene fibers are processed into sheet form using a special method and then shaped into panels through laminated compression, allowing for arbitrary shape cutting. They are lightweight with high strength and high elasticity, and they excel in abrasion resistance, fatigue resistance, impact absorption, bullet resistance, weather resistance, and chemical resistance. They are said to be effective for bulletproof applications and are used for advanced purposes such as vests, helmets, and armor panels. Due to their exceptionally excellent material properties, they are difficult to mold and cut, but arbitrary shape cutting can be performed without issue using water jet cutting technology.

• fiber

The Japanese name is "randōkō," and it is a natural stone colored in deep blue. However, before slicing, it was almost a solid black mass. It is said to have a wide range of effects as a power stone. The instability of the raw stone's shape and its hardness are extremely fragile, and there was detailed information from the client indicating that it is sensitive to stimulation. The setting was challenging, but after slicing, when backlit, it beautifully transmitted light, revealing a vibrant azure blue color.

• crystal

This material, made from finely processed cast iron with excellent vibration damping capabilities, features a unique porous structure that effectively absorbs and dampens sound and vibrations, as well as demonstrating power in thermal insulation, heat resistance, and electromagnetic shielding. For the fabrication of custom shapes, we have chosen water jet cutting as a processing method that does not stress the material structure.

• Other metal materials

Lightweight, shock-absorbing, waterproof and breathable, all-weather compatible. Additionally, equipped with the BOA fit system for dial-operated fine adjustments and a speedy on-and-off system. The high-spec riding boots exceed the cutting height range (180mm) by far, and with a complex structure and a variety of material components, we have devised cutting conditions and settings to minimize cutting width and jet water flow diffusion, ensuring detailed verification of the cross-section. Customers were satisfied with the in-store display.

• Safety shoes and sneakers

It is said to have a structure where about 90% of the volume is air, making it a multifunctional material with a wide range of applications that allows for weight reduction without compromising strength. Due to the use of adhesives and thin sheets, processing is difficult, and we receive many requests for water jet cutting. This time, it was a request for testing strength and structural verification.

• Composite Materials

Verification of wear and damage to the rotating shaft of home appliances through 150-degree opening cutting. This time, especially due to the incorporation of bearing parts, we aimed to minimize the loss of small components after water jet cutting and increase the retention rate. Instead of dividing into two parts, we performed a 150-degree opening cut and set the priority verification area on the 210-degree side for cutting. It seems that the verification of the issues proceeded smoothly.

• Metal bearings

Request from a maintenance contractor for a large-scale accommodation facility Conducting partial pipe inspection of the hot water supply equipment due to aging changes To inspect and investigate the interior of the bent sections, which are usually difficult to check, we have chosen a method that does not stress the target material during cutting. We are cutting in a way that minimizes internal damage from jet diffusion in the hollow sections and maintains the material in an unmodified state.

• others

In the development of transmission technology, numerous patterns were created under various conditions such as pitch and depth using initial shape samples. The irregular and unstable warping of the workpiece was the biggest challenge. A lot of time was spent on the setup before cutting.

• Rubber

A paving and flooring material that absorbs shock with the unique softness and moderate elasticity of rubber. Most of it is made from EPDM (ethylene propylene diene monomer rubber), but it is an excellent material that combines with urethane to enhance durability, weather resistance, temperature rise suppression, soundproofing effects, and permeability. To verify adhesion and durability with the base material during installation, slice test pieces are produced from block-shaped work. Since there is a significant hardness difference between the chip and the base, careful speed settings and adjustments are made to avoid delamination, and it is cut almost vertically.

• Rubber

This is a component of the oil extraction device for transformer insulating oil. Due to the cutting for structural verification purposes and the composite material, there were many issues with the existing cutting machine, and we received inquiries. Water jet cutting is particularly good at simultaneous cutting of different materials, and if the hardness difference between the materials is not too great, issues such as necking, steps, and delamination at the joints hardly occur. You were satisfied with the cross-sectional verification.

• Composite Materials

Plastic products with complex structural shapes require regular verification of good molding machines for injection-molded products, as mass production can affect quality depending on the conditions, necessitating management of technology and quality. We adopt methods to minimize the diffusion of jet water flow, especially in areas with many cavities and gaps.

• Resin mold