堀内機械 List of Products and Services

This document explains the basic knowledge regarding rust prevention treatment for hydraulic cylinders. It also introduces the treatments applied when rust prevention is performed (internal rust prevention, external rust prevention) and long-term storage. The storage conditions are influenced by the environment (temperature and humidity). We recommend taking precautions as much as possible and storing indoors. [Contents] ■ Rust Prevention Treatment ・ Internal Rust Prevention (without instructions / with instructions) ・ External Rust Prevention (without instructions / with instructions) ■ About Long-Term Storage *For more details, please refer to the PDF document or feel free to contact us.

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• Hydraulic Equipment
• Rust Inhibitor

This document explains the basic knowledge about hydraulic cylinders. It covers the advantages and disadvantages of hydraulics, Pascal's principle (the relationship between pressure and force), the calculation formulas for pressure area and thrust, as well as information about our hydraulic cylinders. For technical consultations and inquiries, our local technical sales representatives will provide thorough explanations directly. Please feel free to contact us if you have any questions. 【Contents (partial)】 ■ Basic knowledge of hydraulic cylinders - What is a hydraulic cylinder? - Advantages and disadvantages of hydraulics - Pascal's principle (the relationship between pressure and force) - Calculation formulas for pressure area and thrust *For more details, please refer to the PDF document or feel free to contact us.

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• Hydraulic Equipment

● Achieves high environmental performance by using tap water as the working fluid ● Can be widely used from tap pressure (approximately 0.3 MPa) to medium pressure of 7 MPa ● Cylinder material is made of stainless steel

• Water Hydraulic Equipment

○Leakage measures for areas out of sight ○Leakage measures for areas that cannot be inspected daily ○Easy installation by simply placing it down

• Sensors

Supports "high pressure, high speed, and high response" that cannot be handled by STP. Can also be used for vibration applications. Capable of accommodating a wide range of specifications by changing the supply pressure of the hydraulic unit or using an accumulator.

• Hydraulic Equipment

● An all-in-one model equipped with servo cylinder control and waveform judgment functions ● By using hydraulic servo cylinders as actuators, it allows for operation with greater thrust compared to electric cylinder types ● Even those unfamiliar with motion control can easily create operation sequences using the template function ● Communication with the above host is possible ● Preventive maintenance is possible through trend display

• Hydraulic Equipment

The "Signal Leak Light" can be installed separately by connecting it to a cylinder with a drain port. It is possible to convert JIS-compliant hydraulic cylinders to IoT-compatible cylinders without any modifications. It accurately notifies you of maintenance timing, eliminating the need for regular maintenance! You can expect a reduction in maintenance costs and an increase in operational efficiency, making it suitable for promoting your company's SDGs and IoT initiatives. 【Features】 ■ Notifies you before oil leaks occur, even in hidden installation locations ■ JIS-compliant hydraulic cylinders can be converted to IoT-compatible cylinders without modifications ■ Detects oil and water accumulated in the oil pan ■ Enables reduction in maintenance costs ■ Expected increase in operational efficiency *For more details, please refer to the PDF document or feel free to contact us.

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This product is a hydraulic cylinder compatible with CSR and CHR standard products. It uses a Hall sensor that detects changes in the magnetic force of a magnet mounted on the piston to non-contactly measure the movement of the piston rod. Using this principle, the output of the Hall sensor is calculated by an internal controller and converted into a 4-20mA analog output. 【Features】 ■ Compatible with CSR and CHR standard products (additional machining for mounting grooves) ■ Standard dimensions for fitting ■ Short delivery time (equivalent to standard products) ■ Low cost (compared to magnetostrictive sensors) *For more details, please refer to the PDF document or feel free to contact us.

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The "Signalyque Slim" can manage the early warning of oil leakage failures. Since it is a cylinder-integrated type, no drain piping is required. It is easy to connect without tools. Both 14MPa and 21MPa are available in single rod S and M shapes. 【Features】 ■ Can quickly transform into IoT specifications with optional additions to the cylinder ■ Accurately notifies the timing for maintenance ■ No drain piping required (cylinder-integrated) ■ Easy to connect without tools *For more details, please refer to the PDF document or feel free to contact us.

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The "STP Servo Cylinder" is an integrated high-precision hydraulic servo cylinder capable of high-precision position and load control through a fully closed control system. By driving the hydraulic unit only during cylinder operation, it eliminates unnecessary operation, reducing environmental impact and lowering electricity costs. Additionally, one of its features is the flexible layout of the main unit, control unit, and operation panel. 【Features】 ■ No piping or hydraulic work required ■ Integrated control valve and hydraulic source ■ Easy to handle ■ High-precision position and load control possible using a servo motor *For more details, please request materials or view the PDF data from the download.

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The "STP Servo Cylinder" is an integrated high-precision hydraulic servo cylinder that reciprocates a hydraulic cylinder by rotating the servo motor and hydraulic pump in both forward and reverse directions. It enables high-precision position and load control through a full closed-loop control system that feeds back the signals from the position sensor and pressure sensor to the controller. 【Features】 ○ No piping or hydraulic work required ○ Control valves and hydraulic sources are also integrated for easy handling ○ High-precision position and load control possible with the use of a servo motor ○ The main unit, control unit, and operation panel can be freely arranged For more details, please contact us or download the catalog.

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The "SN Series" is an intelligent series that incorporates a high-precision absolute magnetostrictive sensor as a position sensor within the hydraulic cylinder body. Based on customer requests, outputs can be selected from analog, digital, and incremental (from amplifier converters). Additionally, the protective structure of the sensor part is IP-65, and IP-68/waterproof versions are also available as options. 【Features】 ■ Absolute detection of scale values, achieving slip-free operation ■ Hydraulic cylinder with sensor (SNE series) ■ Improved environmental resistance *For more details, please download the PDF or feel free to contact us.

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Excellent performance and excellent application Hydraulic cylinder with encoder 【Features】 ○ Compatible with a wide range of applications ○ Powerful hydraulic cylinder ○ Composed of hydraulic cylinder at 7.14MPa and pulse encoder *For more details, please download the PDF or feel free to contact us.

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Compact design and a wide variety of thin hydraulic cylinders 【Features】 ○ Since the tube and cover are integrated, it is about 1/3 the size of a tie rod cylinder, making it possible to install in small spaces where conventional designs were impractical. ○ A wide variety of options available. ○ Easy maintenance: Packing replacement can be done simply by loosening the rod bushing without removing the main body or piping. ○ The mounting holes are drilled out, allowing the head of a cap bottle to be concealed within the cylinder body. ○ Can be mounted from either side. ○ The foot type has a parallel key installed, eliminating the need for a positioning stopper. *For more details, please download the PDF or feel free to contact us.

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High reliability and durability against oil leakage, tie rod type cylinder 【Features】 ○ The sliding surface of the rod is coated with high-quality chrome plating, and the rod bush uses soft bronze castings to prevent rod damage. High-performance U-packing is adopted for the rod packing. ○ Ideal cushioning mechanism A tapered cushioning mechanism is incorporated into the standard cylinder, reducing conventional surge pressure by about half. It features an ideal cushioning mechanism that stops smoothly in a short time. ○ The version with a switch is equipped with a highly reliable, dust-proof high-performance switch (magnetic proximity switch) as standard. Due to its compact integrated structure, there is no need to install an external detector, making cylinder installation efficient. *For more details, please download the PDF or feel free to contact us.

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Cylinder K Series with Wear Ring on Piston to Prevent Seizing and Improve Reliability 【Features】 ○ Achieves High Reliability The rod sliding surface is coated with high-quality chrome plating, and the rod bush uses soft high-strength brass to prevent rod damage. High-performance U-seals are employed for the rod packing, ensuring high reliability and durability against oil leakage. ○ Reliable and Stable Operation The use of a wear ring on the piston prevents seizing and enhances reliability. The cushioning mechanism operates with high precision and certainty. The piston packing features a packing with a reverse pressure prevention groove. ○ Switch-equipped Specification The KR model comes standard with a highly reliable, high-performance switch (magnetic proximity switch) that excels in dust resistance. Its compact integrated structure eliminates the need for external detection devices, making cylinder installation efficient. The LED indicator light makes it easy to confirm operation. *For more details, please download the PDF or feel free to contact us.

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Achieving high reliability and durability against oil leaks Tylot-type cylinder 【Features】 ○ Achieves high reliability The rod sliding surface is coated with high-quality chrome plating, and soft high-strength brass is used for the rod bush to prevent rod damage. High-performance U-seals are adopted for the rod packing, achieving high reliability and durability against oil leaks. ○ Reliable and stable operation A wear ring is used on the piston to prevent seizure and improve reliability. The cushioning mechanism operates with high precision and is also reliable. The piston packing uses a packing with an anti-back pressure groove. *For more details, please download the PDF or feel free to contact us.

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This is an introduction to the hydraulic cylinders, mini series, handled by Horiuchi Machinery Co., Ltd. 【Features】 ○ Compatible with diameters below φ30, which are not available in JIS cylinders ○ Supports various mounting styles, with switches and cushions available ○ A rich lineup tailored to different applications 　・ Three types: standard type specifications, compact type specifications, and clamp cylinder specifications * For more details, please download the PDF or feel free to contact us.

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Adopts a wear-resistant cover that is strong against abrasion Hydraulic hose that is easy to handle 【Features】 ○ Smaller outer diameter and tighter bend radius Lightweight, making it very easy to handle ○ Pressure: 14MPa/21MPa ○ Hose sizes (inches) 1/4, 3/8, 1/2, 3/4 ○ Hose length From 300mm (manufactured in 10mm increments) ○ Hose fittings Pipe parallel female thread union (female seat) ○ Operating temperature range -10℃ to +100℃ ● For other functions and details, please contact us.

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Quick Test Capable of Supporting a Maximum Operating Pressure of 42MPa 【Features】 ○ Air bleeding and pressure measurement can be performed anywhere on the hydraulic circuit, allowing for sampling of the hydraulic oil. ○ Easy operation with built-in check valve, simply screw in the high-pressure hose for air bleeding. ○ By placing the end of the high-pressure hose into an oil catch or similar container, clean air bleeding can be performed without splattering. ○ Couplings are available in standard specifications (iron) and stainless steel, along with accessories such as welding studs and adapters to cover various mounting options. ● For other functions and details, please contact us.

• Hydraulic Equipment

Air Hydraulic Booster that generates high-capacity, high-pressure hydraulic power using only air pressure 【Features】 ○ Generates high-pressure (19MPa) and low-pressure large-capacity hydraulic sources using only air pressure ○ Easy two-stage discharge operation with a pneumatic switching valve ○ Requires less air consumption to generate the same output force ○ Unique structure eliminates the need for air mixing or air bleeding operations ○ Simple structure with no troubles ○ Stable operation is achieved due to no increase in oil temperature ○ Hydraulic pressure can be infinitely varied by changing the air pressure ● For other functions and details, please contact us.

• Hydraulic Equipment

Throttle valve and throttle check valve with clear performance characteristics 【Features】 ○ Maximum operating pressure 　720: 21MPa / 728: 28MPa ○ Cracking pressure 　01, 02: 0.05MPa / 03, 04, (06): 0.02MPa ○ Maximum flow rate 　01: 6 L/min ・ 02: 30 L/min ・ 03: 50 L/min 　04: 75 L/min ・ (06): 150 L/min ○ Port sizes 　Rp 1/8 ・ Rc 1/4 ・ Rc 3/8 ・ Rc 1/2 ・ (Rc 3/4) ○ Applicable fluid: General mineral hydraulic oil ○ Body material: Carbon steel (black oxide) ● For other functions and details, please contact us.

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Inline Check Valve Compliant with Japan Fluid Power Industrial Association Standards 【Features】 ○ Maximum Operating Pressure: 25 MPa ○ Leakage Test Pressure: 2, 37.5 MPa ○ Pressure Test Pressure: 50 MPa ○ Valve Sizes 　Rc1/4・Rc3/8・Rc1/2・Rc3/4 　Rc1・Rc1 1/4・Rc1 1/2 ○ Cracking Pressure 　0.04 MPa ・ 0.35 MPa ・ 0.5 MPa ○ Applicable Fluid: General Mineral Oil ○ Body Material 　Carbon Steel (Black Oxide): Standard Product 　Stainless Steel: Special Product ● For other functions and details, please contact us.

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Accumulator contributing to the reduction of running costs through energy saving and the reduction of unnecessary circuit accessories. 【Features】 ○ Miniaturization of the pump ○ Noise reduction and lower operating fluid temperature achieved with ON-OFF operation ○ Miniaturization of heat exchangers and electrical equipment is also possible ○ Energy savings of over approximately 20% achieved ● For other functions and details, please contact us.

• Hydraulic Equipment

360-degree rotation is possible. A swivel joint that allows the connection position of the piping to be oriented in any direction. 【Features】 ○ Eliminates twisting when connecting hydraulic hoses ○ Compact design, small and lightweight ○ Reduces pressure loss ○ Consideration for dust and rust prevention ○ Maximum operating pressure Size 6, 9, 12, 19, 25, 32 = 20.6 MPa Size 38 = 13.7 MPa Size 50 = 10.3 MPa ○ Applicable fluids General mineral-based hydraulic oil ○ Main body material Iron (colored chromate): standard product Stainless steel: special product ○ O-ring material Nitrile rubber: standard Viton: special ● For other functions and details, please contact us.

• Hydraulic Equipment
• Pipe Fittings

At Horiuchi Machinery, we utilize the refined "skills" of skilled technicians, which are the foundation of Japanese manufacturing, in a wide range of products, including industrial hydraulic cylinders that boast top-level market share. Our technological capabilities seamlessly integrate with customer needs at a high level, allowing us to create unique products tailored to specifications. Furthermore, we develop equipment and systems that enhance productivity, establish new methods and quality control systems that improve work efficiency, and deliver our unique products quickly to you. 【Business Overview】 ■ Manufacturing and sales of various hydraulic cylinders *For more details, please refer to the PDF document or feel free to contact us.

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