ブル精密 Product Lineup

Silicon wafer grinding processing Outer diameter 90 mm Grinding of holes with diameters of φ36 mm and φ18 mm Chamfering on the top and bottom surfaces Produced as a prototype.

• Wafer

Buru Precision specializes in precision machining and polishing of a wide range of glass processing, from aspheric lenses to dome lenses, concave lenses, and concave polyhedra. We are particularly adept at handling high-difficulty machining, including deformed parts, special thicknesses, and components with varying thicknesses. Each part is meticulously crafted, and we excel at fine machining such as adding slits or grooves to rounded areas, allowing us to accommodate not only standard circular or square shapes but also custom shapes tailored to customer requests. Buru Precision's technology is also utilized in fields that require advanced precision machining, such as analytical instruments and microscopes. We provide high-quality parts with machining accuracy in the micron range, tailored to meet customer needs. [Processing Examples] ■ Precision and fine machining ■ Grinding and polishing ■ Hole processing ■ Groove processing We also offer free prototypes and a collection of processing examples, so please download our materials or contact us for more details.

• Processing Contract

This is an introduction to a case of glass processing by Buru Seimitsu Co., Ltd. This product was created for an exhibition. As a distinctive company within the glass manufacturing industry, we pursue technological innovation to respond to a wide range of requests for precision processing and new technologies for special processing from our customers, delivering various glass products to society. [Overview] ■ Created for an exhibition ■ φ350X90t ■ Synthetic quartz double-sided aspheric *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

This is an introduction to examples of glass processing by Buru Seimitsu Co., Ltd. We support double-sided convex aspherical cylinder lenses, double-sided concave aspherical cylinder lenses, single-sided concave and single-sided convex aspherical cylinder lenses, and single-sided aspherical cylinders, as well as single-sided flat surfaces. We specialize in prototypes starting from one piece and can perform various aspherical processing. 【Features】 ■ Mainly using optical glass ■ Glass material examples: General optical glass such as BK-7 ■ Compatible with DXF ■ Various aspherical processing is possible ■ Specializing in prototypes starting from one piece *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

This is an introduction to a case where Glass Processing was performed by Buru Seimitsu Co., Ltd. Our company is capable of various aspherical processing. We can accommodate single-sided aspherical × flat, single-sided aspherical × concave, single-sided aspherical × convex, and double-sided aspherical. From grinding → shape processing → special polishing → shipping inspection → delivery! We specialize in prototypes starting from one piece. Please inquire about shape measurement deviation values, PV, etc. 【Features】 ■ Mainly using optical glass ■ Glass material examples: synthetic quartz, BK-7, and general optical glass ■ Compatible with DXF ■ Capable of various aspherical processing ■ Specializing in prototypes starting from one piece ■ Accommodating single-sided aspherical × flat, single-sided aspherical × concave, single-sided aspherical × convex, and double-sided aspherical *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

This is an introduction to examples of glass processing by Buru Precision Co., Ltd. We can process dome lenses from various materials such as block materials and pressed materials. We specialize in prototypes starting from one piece. Please contact us regarding Newton and As. 【Features】 ■ Mainly using optical glass ■ Glass material examples: synthetic quartz, BK-7, and other optical glass in general ■ Dome lens processing is possible from various materials such as block materials and pressed materials ■ Specializing in prototypes starting from one piece *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

This is an introduction to examples of glass processing by Blue Precision Co., Ltd. The glass materials include TX and general optical glass, which can be handled with CAD, allowing for various polyhedral processing. We can accommodate polyhedral X flat, polyhedral X concave, polyhedral X convex, and both sides polyhedral. Please contact us for shape measurement deviation values, PV, etc. 【Features】 ■ CAD support ■ Capable of various polyhedral processing ■ Specializing in prototypes from one piece ■ Accommodating polyhedral X flat, polyhedral X concave, polyhedral X convex, and both sides polyhedral *For more details, please refer to the PDF materials or feel free to contact us.

• Processing Contract
• Contract manufacturing

The processing method that Precision Blue Co., Ltd. excels at the most. It specializes mainly in contour processing and microprocessing, and its high precision and quality have received high praise both domestically and internationally. Additionally, depending on the shape, it offers a wide range of processing genres, including grooves, steps, and engraving, and responds to a diverse array of requests. [Examples] ■ 3D shape processing ■ Precision hole processing *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

For optical products that utilize the properties of light, surface accuracy is a crucial factor that determines the performance of the product. Our company has honed its skills over 30 years, enabling high-precision polishing processes. In addition to precision, we aim to meet the quantity requested by our customers, always striving for high quality in mass production. [Examples] ■ High-speed polishing ■ Double-sided polishing ■ Oscar polishing ■ Pellet processing *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

This is an introduction to examples of glass processing by Blue Precision Co., Ltd. As a distinctive company within the glass manufacturing industry, we pursue technological innovation to meet the requests for precision processing and new special processing techniques from a wide range of customers, delivering various glass products to society. We can accommodate all types of hole processing, including round holes, square holes, long holes, and irregular holes. We excel in spline shapes. 【Features】 - Capable of processing various shapes - Specializes in spline shapes - Can handle all types of hole processing, including round holes, square holes, long holes, and irregular holes - Proficient in hole processing - Processing capacity: approximately 20kp/M for about 10 inches *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

The "IM-6225T" is a two-dimensional image measuring instrument manufactured by Keyence. It offers a measurement accuracy of ±2μm (in high-precision mode). Measuring complex shapes becomes accessible to anyone, significantly reducing measurement inconsistencies caused by the operator. In addition to distance, it allows for a variety of measurements such as angles and roundness. 【Features】 ■ High-speed measurement ■ Image dimension measuring instrument ■ Supports large lots *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

We have introduced the Keyence Corporation's three-dimensional measuring instrument, the 'XM-1000'. The measurement accuracy is approximately ±8μm, allowing for the measurement of complex shapes and hard-to-measure areas. We thoroughly check precision products for surface accuracy and parallelism. Additionally, output in various file formats, including CSV files, is possible. 【Features】 ■ Data output available ■ Measurement accuracy: approximately ±8μm ■ Capable of measuring complex shapes and hard-to-measure areas ■ Output in various file formats is possible *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

In the jewelry industry, the diverse design expressions of decorative items are crucial for stimulating customer purchasing desire. In particular, beautiful decorations that utilize light reflection greatly influence the appeal of the products. However, traditional decoration methods have limitations in the freedom of design and the range of colors that can be expressed. Our company offers cut glass for jewelry that uses glass processed with various angles to express beautiful prism effects. This expands the range of design and enables the creation of decorative items that attract customers' attention. 【Usage Scenarios】 - Decorations for rings, necklaces, earrings, etc. - Decorations for bracelets, piercings, etc. - Store displays 【Benefits of Implementation】 - Increased design diversity - Enhanced product added value - Strengthened appeal to customers

• Processing Contract
• Contract manufacturing

The technology involves fixing the product to take thickness and trimming excess material. Typically, precision machining can be significantly affected by even a single hair's worth of foreign material, but by utilizing our unique technology, it is possible to achieve a high level of precision. If you have any questions regarding glass, please feel free to contact us. You can also easily inquire through the contact form on our website. We encourage you to take advantage of this. [Examples] ■ Flat surface grinding ■ Curve generator processing ■ Core drilling *For more details, please refer to the PDF materials or feel free to contact us.

• Processing Contract
• Contract manufacturing

"Dissect Dish" is an anatomical dish that was created during meetings between our company and research institutions and is currently gaining attention. You can customize each dish according to your needs, including dimensions and materials, to make it user-friendly. Feel free to place an order starting from just one piece. 【Features】 ■ Custom orders available ■ Orders can be placed from just one piece ■ Material: Glass *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

The "CW-2515N" is a two-dimensional image measuring instrument manufactured by Chenwei Corporation. It can measure with a precision of 0.0005mm, and in addition to distance, it is also capable of measuring angles and circles. It can be linked with a PC, allowing for data storage in Excel after measurements. 【Features】 ■ Measures with a precision of 0.0005mm ■ Capable of measuring angles and circles in addition to distance ■ Can be linked with a PC for data storage in Excel after measurements *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

This is an introduction to examples of glass processing by Buru Seimitsu Co., Ltd. The glass materials used include TX, PX, quartz, etc., primarily utilizing hard glass. We can accommodate prototype production from a single piece without the need for molds. As a distinctive company within the glass manufacturing industry, we pursue technological innovation to respond to a wide range of customer requests for precision processing and new special processing techniques, delivering various glass products to society. [Features] - Primarily uses hard glass - Glass material examples: TX, PX, quartz, etc. - Material: Glass - Prototype production from a single piece without the need for molds is possible *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

The "VR-3200" is a one-shot 3D shape measurement device manufactured by Keyence. By capturing three-dimensional shapes as "surfaces" rather than points or lines, it enables the analysis of surface roughness and flatness. Additionally, it allows for comparisons with CAD data and other processed products, facilitating product observation and enabling "reverse engineering" that contributes to improved production quality. 【Features】 ■ Capable of analyzing surface roughness and flatness ■ Allows for comparisons with CAD data and other processed products ■ Enables product observation and contributes to improved production quality through "reverse engineering" *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

This is an introduction to examples of glass processing by Buru Seimitsu Co., Ltd. The glass materials used are T synthetic quartz and fused quartz, primarily utilizing quartz. We accommodate drawings up to 2D, and from 2.5D onwards, we support DXF files. As a distinctive company within the glass manufacturing industry, we pursue technological innovation to meet the requests for precision processing and new special processing techniques from a wide range of customers, delivering various glass products to society. 【Features】 ■ Primarily uses quartz ■ Glass material examples: T synthetic quartz, fused quartz ■ Material: Glass ■ Accommodates drawings up to 2D, and supports DXF from 2.5D onwards ■ Capable of handling various special shapes and aspheric processing *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

This is an introduction to examples of glass processing by Blue Precision Co., Ltd. We can accommodate outer shape tolerances of ±10μ and thickness tolerances of ±1μ. We are creating development products for universities and research institutes both domestically and internationally. "Ultra-precision micro-machining" is one of our specialties. 【Features】 ■ Capable of accommodating outer shape tolerances of ±10μ and thickness tolerances of ±1μ ■ Capable of various shapes and precision micro-machining ■ Processes - Grinding, outer shape processing, hole processing, counterboring, polishing, buffing (in no particular order) * For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

At Blue Precision, we can manufacture original glass. Examples of glass materials: ● Color filters ● Crystal glass ● Sapphire glass ◆ We have a track record of supplying to domestic and international crystal manufacturers and jewelry manufacturers. Clock crystals Accessories and glass jewelry Glass miscellaneous goods, etc. (Feel free to consult us) 【Examples of production】 ■ Clock crystals ■ Accessories ■ Puzzles and pieces ■ Paperweights ■ Crystal glass and quartz *For more details, please refer to the PDF document or feel free to contact us.

• Glass

At Blue Precision Co., Ltd., we handle "cut glass for jewelry." The image on the left is a list of processing examples. It has been photographed with adjusted lighting. Regardless of the color, there is a beautiful prism effect, fully utilizing the properties of the glass. 【Features】 ■ Material: Glass ■ Multi-cut ■ For jewelry ■ Prism effect ■ Custom orders *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract

Our company can perform optional tapering and hole processing on rods. We can accommodate sizes from φ2.0X50L to φ300X500L. Our processing capability is approximately 300 pieces per minute for φ30X450L, and we can process glass materials such as TX, PX, quartz, and BK-7. 【Processing Examples】 ■ Glass pipe processing ■ Rod shapes ■ Hole processing ■ Taper processing *For more details, please refer to the PDF document or feel free to contact us.

• Glass

In the aviation industry, instruments require high precision and durability. Particularly for critical instruments such as altimeters and speedometers, the transparency of the glass, dimensional accuracy, and environmental resistance are essential for accurate readings and safe operations. Deficiencies in glass processing can lead to instrument malfunctions and reduced visibility, potentially resulting in serious accidents. Our glass processing discs accommodate outer diameters from 1 inch to 12 inches and thicknesses from 100μ to 30t, providing the precision machining necessary for aircraft instruments. 【Application Scenarios】 - Altimeters - Speedometers - Attitude indicators - Engine instruments 【Benefits of Implementation】 - Improved visibility of instruments - Enhanced durability of instruments - Ensured safe operations

• Glass

In the field of defense optics, optical components that require high precision and durability are essential. To provide products that can withstand harsh environments, the quality of glass processing is extremely important. Our glass processing discs can accommodate diameters from 1 inch to 12 inches and thicknesses from 100μ to 30t, meeting a variety of customer needs with features such as counterboring and special hole processing. 【Application Scenes】 - Optical lenses - Prisms - Filters - Various sensors 【Benefits of Implementation】 - Achievement of high-precision optical performance - Improved product reliability - Adaptability to various shapes - Short delivery times

• Glass

In the medical device industry, particularly in the diagnostic field, high-quality optical components are essential for obtaining accurate test results. Glass discs, as a core component, require high precision and durability. Improper processing or low-precision discs can lead to errors in test results or equipment failures. Our glass processing discs can be customized to meet customer needs, accommodating sizes from 1 inch to 12 inches in diameter and thicknesses from 100μ to 30t. 【Usage Scenarios】 - Optical system components for diagnostic devices - Discs for testing - Parts for analytical instruments 【Benefits of Implementation】 - Improved reliability of test results through high-precision processing - Increased design flexibility by accommodating various sizes - Ensured durability through the use of high-quality glass materials

• Glass

In the watch industry, the crystal is an important element that balances design and functionality. A crystal that is resistant to scratches and has high visibility is essential for enhancing the value of a watch. However, due to the precise shapes and thickness required, high technical skill is necessary for processing. Our glass processing technology supports the realization of the crystals that our customers desire. 【Usage Scenarios】 - Luxury watches - Watches with special shapes - Crystals that excel in impact resistance and scratch resistance 【Effects of Implementation】 - Provision of high-quality crystals - Improvement of design quality - Enhancement of product value

• Glass

In the optical fiber industry, precise processing of glass discs is required to maximize the transmission efficiency of optical signals. In particular, for glass discs used in optical fiber connection parts, high precision in dimensional management and surface treatment is essential to prevent signal attenuation and enable stable communication. Improper processing can lead to light loss and reflection, potentially degrading communication quality. Our glass processing discs are available in sizes ranging from 1 inch to 12 inches in diameter, with thicknesses from 100μ to 30t, providing precision processing to maximize the performance of optical fibers. 【Application Scenarios】 - Optical fiber connectors - Optical fiber components - Optical communication equipment 【Benefits of Implementation】 - Improved transmission efficiency of optical signals - Stabilization of communication quality - Enhanced product reliability

• Glass

In the optical equipment industry, lenses are a crucial element that affects product performance. Low lens precision can lead to image distortion and reduced resolution, potentially compromising product quality. Our glass processing discs accommodate diameters from 1 inch to 12 inches and thicknesses from 100μ to 30t, meeting diverse customer needs with features such as counterboring and special hole processing. 【Application Scenarios】 - Camera lenses - Microscope lenses - Telescope lenses - Various optical filters 【Benefits of Implementation】 - Improved optical performance through high-precision lens processing - Adaptability to various sizes and shapes - Options for high-quality glass materials - Cost reduction through free prototype production

• Glass

Zaguri processing and special hole processing are one of our specialties. We can accommodate outer diameters from 1 inch to 12 inches, with thicknesses ranging from 100μ to 30t. Primarily using float glass, our processing capacity is approximately 200kp/M for 5 inches without polishing. [Examples of glass materials] ■ Soda glass ■ TX ■ B270 *For more details, please refer to the PDF document or feel free to contact us.

• Glass

Our company performs diamond processing, so there will be no tapering or similar issues in the processing department. Regarding counterboring, we can accommodate various shapes, depths of engraving, and buff polishing. We can also perform counterboring combined with hole processing or screw hole processing. We mainly use various types of float glass, with a processing capacity compatible with 3 inches and approximately 100kp/M. [Examples of glass materials] ■ Soda glass ■ D263 ■ Eagle XG ■ Tempax *For more details, please refer to the PDF document or feel free to contact us.

• Glass

Our company's convex lenses undergo final shape processing after polishing, so we are confident in their surface accuracy. We mainly use optical glass and can accommodate both double-sided convex R products and single-sided convex R/single-sided concave R products. Our processing capability depends on size and precision, but is typically around 3kp/M. 【Process】 (1) Grinding (2) Primary shape processing (3) R grinding (4) R polishing (5) Final shape processing (6) Shipping inspection (7) Delivery *For more details, please refer to the PDF document or feel free to contact us.

• Glass

This is an introduction to examples of glass processing by Buru Seimitsu Co., Ltd. The glass materials used include B270, TX, and quartz, primarily utilizing float glass. We can accommodate polishing of both the outer shape and the inner diameter. As a distinctive company within the glass manufacturing industry, we pursue technological innovation to respond to a wide range of customer requests for precision processing and new special processing techniques, delivering various glass products to society. 【Features】 ■ Primarily uses float glass ■ Glass material examples: B270, TX, quartz ■ Capable of accommodating various shapes ■ Polishing of both the outer shape and the inner diameter ■ Processing capacity: Approximately 1kp/M for about 3 inches, depending on the polishing level *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Contract manufacturing

Our company's convex lenses undergo final shape processing after polishing, so we are confident in their surface accuracy. We mainly use optical glass and can accommodate both double convex R products and single convex R/single concave R products. The processing capability depends on size and accuracy, but it is typically around 3kp/M as a standard. [Examples of glass materials] ■ White board B270 ■ BK7 ■ Blue board ■ Tempax ■ Tempax R, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Glass

Our concave lenses undergo final shape processing after polishing, so we are confident in their surface accuracy. We can accommodate various shapes and glass materials, and while our processing capacity depends on size and precision, it is typically around 3kp/M. 【Process】 (1) Grinding (2) Primary shape processing (3) R grinding (4) R polishing (5) Final shape processing (6) Shipping inspection (7) Delivery *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• lens
• prism

Here are examples of glass processing for jewelry. The cuts are complex, resulting in an attractive shape. If you have any questions regarding glass, please feel free to contact us. 【Industry】 ■ Crafts ■ Event items ■ Leisure goods ■ Watches, glasses, jewelry *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Processing Contract

Imagining the nameplate at the entrance, we have processed it. You can freely change the font, glass, and text size. We accept orders starting from just one piece, so please feel free to consult with us. *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Processing Contract

Our company can handle all types of hole processing, including round holes, square holes, elongated holes, and irregular holes. We can freely specify 4-C and 4-R, and we can also designate C and R for full perimeter chamfering. The processing capacity is approximately 10 inches with a speed of about 20kp/M, accommodating various shapes. 【Supported Processing】 ■ Round holes ■ Square holes ■ Elongated holes ■ Irregular holes *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• lens
• prism

Our company primarily uses various types of float glass and is capable of handling a wide range of shape processing. We can accommodate all types of processing, including round holes, square holes, elongated holes, irregular holes, and special markings. There may be some variation in the process, but for external shape processing, our maximum capacity is approximately 300kp/M. 【Examples of glass materials】 ■Gorilla ■Dragon ■Sensation ■TX ■Soda, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• lens
• prism

Our company offers mold-less solutions! Instead of using molds for prototypes of products planned for mass production, why not first create the main body of the prototype in glass? While there are exceptions, the delivery time is around one month, and the initial costs can be "significantly" reduced compared to ordering molds. Therefore, it is faster, cheaper, and easier to make revisions than ordering molds! This can also help verify drawings, such as confirming "the thickness was correct" or "the radius met expectations"! We can accommodate various processing techniques, including steps, recesses, mirror polishing, concave, convex, openings, and slits! If you're interested, please feel free to contact us.

• Other molds

Our company can accommodate any type of hole, including round holes, square holes, long holes, and irregular holes. Our processing capability is approximately 12 inches diagonally and around 8kp/M. We excel in spline shapes, so we can provide suggestions from consultation to proposal. 4-C and 4-R are available as needed, and please specify C and R for full edge chamfering. 【Features】 ■ Capable of handling various shapes ■ Can accommodate any type of hole, including round holes, square holes, long holes, and irregular holes ■ Processing capability is approximately 12 inches diagonally and around 8kp/M ■ Spline shapes are our specialty *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• lens
• prism

Here is an example of slit processing using NC machining. After processing the outer shape, slits were added as an additional operation. Our NC machining encompasses various methods for shape-defining processes such as outer shape processing and fine processing, all finished to high quality and precision. We also accept processing of slits alone for all glass components. Please feel free to consult us. *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• lens
• prism

NC processing allows for contour machining and hole processing. Our NC processing encompasses various methods for shape-defining machining, such as contour machining and precision machining, all finished to high quality and precision. We accept orders starting from a single prototype or precision machined item, so please feel free to consult with us. *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• lens
• prism

Here are examples of processing with NC machines. We ensure a reliable finish using our unique methods to prevent chipping, breaking, and cracking. Our NC processing encompasses various techniques for shape-defining processes such as contour machining and micro-machining, delivering high quality and high precision. We accept both prototypes and mass-produced items at any time. Please feel free to consult with us. *For more details, please refer to the PDF materials or feel free to contact us.

• Glass
• lens
• prism

Here is an example of engraving done with NC processing by BULL Precision. We expressed "BULL" and a triangle. Not only letters but also logo marks are possible, so please feel free to consult us. Our NC processing encompasses various methods for shape-defining processes such as contour processing and fine processing, and it is finished with high quality and high precision. *For more details, please refer to the PDF materials or feel free to contact us.

• Glass