米倉製作所 Official site

We will custom-make testing machines tailored to the shape and purpose of products such as chairs, office chairs, and sofas!

【Specification Example】 《Chair Strength Testing Machine (Series Type)》 ■Reference Standards: JIS S1206 "7.2.1 Static Load Test for Front Edge of Seat," "7.2.2 Combined Load Test for Seat and Backrest," "7.3.1 Durability Test for Seat and Backrest," etc. ■Load Method: Servo Motor Type ■Load Force: Seat: 2kN, Backrest: 1.5kN ■Load Direction: Seat: Only vertical downward, Backrest: Adjustable from horizontal position to 45° downward ■Load Stroke Amount: Seat: 100mm, Backrest: 500mm ■Stroke Measurement: Motor Pulse Encoder Type ■Load Mechanism Movement: Elevation/Chair Base: Motorized, Lateral/Forward and Backward: Manual movement followed by clamp fixation ■Test Modes: Seat Repeated Test, Seat Push + Backrest Repeated Test, Seat + Backrest Repeated Test, etc. ■Expected Installation Dimensions: Approximately W1300×D1900×H2300mm, Approximately 1600kg ■Options: Data Processing Software (Test Condition Creation, Data Sampling, Test Photography, etc.) *For more details, please refer to the PDF document or feel free to contact us.

Results of the drop hammer impact test are analyzed through waveform processing. Characteristics that cannot be understood by visual inspection are revealed! The impact waveform is displayed in a graph. The tip tool can be customized.

[ Basic Specifications ] Digital Display: Lift Height Display Force Meter: Force Gauge Drop Mechanism: Weight Natural Drop Method [ Test Subject Examples ] Plastic Materials / Rigid Films / Decorative Plywood / Polymer Materials / Carbon Fiber Reinforced Plastics / Helmets / Chains / High Strength and High Elastic Modulus Aramid Fibers [ Case Studies - Past Implemented Standards ] JIS B7756 Impact Testing Machine for Polymer Materials - Instrumentation Device JIS T8131:2010 Safety Helmets for Work - Impact Absorption Test, Penetration Resistance Test JIS K7085 Multiaxial Impact Testing Method for Carbon Fiber Reinforced Plastics ASTM D3763 Standard Test Method for High Speed Puncture Properties of Plastics Using Load and Displacement Sensors ASTM D695 Standard Test Method for Compressive Properties of Rigid Plastics, etc.

Servo electronic creep testing machine ≪Creep/Relaxation/Fatigue≫ in one unit!

■ Target Tests: Creep Test / Relaxation Test / Repeated Fatigue Test ■ Target Materials: Polymer materials and metals, etc. ■ Corresponding Standards Examples: Metals: JIS Z2271 / Resins: JIS K7115, K7116 / CFRP / FRP: JIS K7087, etc. ■ Testing Machine Main Body Load Method: Servo Electronic Load Motor Elevation Control: UP/DOWN Load Capacity: 10kN (Load Cell Detection) ■ Elongation Measurement Elongation Measurement Method: Encoder Maximum Displacement: Maximum Displacement of 160mm (Crosshead Movement Detection) Displacement Resolution: 0.01mm ■ Chuck Sample Hanging Method: Multi-link type * For tubular furnaces, it will be a single-link type Chuck Shape Examples: Tension: Wedge Type, Bi-type Compression / Bending: Compression Plate, 3-point Bending, 4-point Bending ■ Temperature Chamber Tubular Furnace: Temperature Range 600–1000℃ Constant Temperature Chamber: Humidity Range -40℃ to 180℃, 50℃ to 200℃ Constant Humidity Chamber: Temperature Range 20–95℃ / Humidity Range 20–98% (partially dependent on humidity conditions) * For other requests regarding standards or custom machines, various capacities, installation space, etc., please contact us. * Specifications may change depending on the test content.

Utilizing the know-how of custom testing machines, we support testing and research with material testing machines such as [impact/fatigue durability/tensile/torsion testing machines, etc.].

▼Features of Yonekura's Custom Test Machines▼ ≪Accumulated Know-How≫ Since our establishment in 1980, we have been continuously manufacturing test machines, accumulating know-how and demonstrating technical skills and achievements by creating one-of-a-kind original test machines that do not exist in this world. ≪Designed to Fit Your Customization Needs≫ Our company handles design and software development in-house. For products with specific standards, we design accordingly, but we can customize other operational functions and usage methods as needed. ≪User-Friendly with In-House Developed Software≫ We also design electrical circuits and software in-house, and if requested, we can combine technologies such as data processing and upper-level transmission to further enhance usability for our customers. ▮Yonekura's Guiding Principles We value the following principles in our test machine development: - We continuously plan to improve our knowledge and capabilities, pursuing customer demands with the results we achieve. - We do not settle for our experience and current situation; we prioritize user feedback, boldly challenge ourselves, and contribute to a safe society by planning and continuing to develop products that can be communicated to the world. - As a manufacturer of material testing machines, we will sincerely work to earn even greater trust from everyone.

Because we have the know-how for manufacturing test equipment, we can fulfill custom test requests as desired. We receive many production requests mainly for material/product development, research, and testing.

▼Features of Yonekura's Custom Test Machines▼ ≪Accumulated Know-How≫ Since our establishment in 1980, we have been continuously manufacturing test machines, accumulating know-how and demonstrating technical capabilities and achievements by creating one-of-a-kind original test machines that do not exist anywhere else in the world. ≪Designed to Meet Customization Requests≫ Our company conducts design and software development in-house. While we design products according to established specifications, we can customize aspects that can be tailored to other operational actions and usage methods. ≪User-Friendly with In-House Developed Software≫ We also design electrical circuits and software in-house, and if requested, we can combine technologies such as data processing and upper-level transmission to further enhance usability for our customers. ▮Yonekura's Guiding Principles We value the following principles in creating our test machines: - We plan to continuously improve our knowledge and abilities, pursuing customer demands with the results we achieve. - We do not settle for experience and the status quo; we prioritize user feedback, boldly challenge ourselves, and contribute to a safe society by planning and continuing to develop products that can be communicated to the world. - As a manufacturer of material testing machines, we will sincerely work to earn even greater trust from everyone.

Original testing machines and software creation for fuel, engines, wheels, suspension, spark plugs, etc. Leave it to us! Please let us know your testing requirements!

Yonekura Manufacturing is a [specialized manufacturer of testing machines] located in Osaka. We also have a branch in Yokohama and deliver testing machines to customers nationwide. Founded in 1980, we have been manufacturing testing machines since then. We provide equipment across a wide range of fields, including industry, academia, and research, and we have a system in place that allows us to handle everything from design, development, and manufacturing to maintenance, inspection, and repair in a consistent manner. We operate six businesses and manufacture everything from basic testing machines to fully customized original testing machines (details below). Moving forward, Yonekura Manufacturing will continue to advance product development with a focus on quality improvement and safety and technological advancement, striving to contribute to the future of our customers and society through Best Formation. ≪Features≫ 1. With about 40 employees, we are a small-scale company, but we manufacture testing machines with reliable technology for customers around the world. 2. Most of our products are customized to meet the requests from various major manufacturers and research institutions. 3. We conduct all processes from development to manufacturing in-house and deliver from Osaka. 4. We dispatch employees to research institutions and universities to incorporate knowledge, technology, and ideas gained from cutting-edge environments, and we also engage in joint development with universities. 5. The distance between customers and designers/manufacturers is close, allowing us to respond to detailed requests.