新居浜鉄工所 List of Products and Services

We would like to introduce the "crushers" we handle. Starting with the two-shaft electric direct drive Lion Shredder, which demonstrates high energy efficiency, we also offer the four-shaft crusher "N4S-222," the single-shaft crushers "NSL-1500/2000/2500," and the cutter vectoring crusher "NST-222VC." Additionally, we will be exhibiting at the "2025 NEW Environment Exhibition" to be held at Tokyo Big Sight from May 28 (Wednesday) to May 30 (Friday), 2025. We sincerely look forward to your visit. 【Product Lineup】 ■ Lion Shredder NS-051, NS-111, NS-152, NS-222, NS-302, NS-452, NS-552 ■ Four-shaft Crusher "N4S-222" ■ Single-shaft Crushers "NSL-1500/2000/2500" ■ Cutter Vectoring Crusher "NST-222VC" *For more details, please download the PDF or feel free to contact us.

• Crusher

Our "Dual-Axis Crusher" is a domestically produced crushing machine that achieves high crushing power and low running costs through electric and inverter technology. Its highly efficient crushing mechanism contributes to the reduction of various types of waste. Additionally, by reusing the crushed materials as recycled resources, it supports the realization of a sustainable circular society. It is suitable for use in factories and the recycling industry aiming for waste reduction. 【Features】 ■ High crushing power with electric drive ■ Economical with low running costs ■ Capable of handling diverse waste ■ Contributes to the promotion of recycling cycles ■ Reliability and support unique to domestic equipment *For more details, please download the PDF or feel free to contact us.

• Crusher

Our "Dual-axis Crusher" is a domestically produced crushing machine that achieves high crushing power and low running costs through electric and inverter technology. Its highly efficient crushing mechanism contributes to the reduction of various types of waste. Additionally, by reusing the crushed materials as recycled resources, it supports the realization of a sustainable circular society. It is suitable for use in factories and the recycling industry aiming for waste reduction. 【Features】 ■ High crushing power with electric drive ■ Economical with low running costs ■ Capable of handling diverse waste types ■ Contributes to the promotion of recycling cycles ■ Reliability and support unique to domestic equipment *For more details, please refer to the materials. Feel free to contact us as well.

• Crusher

We are introducing a video showcasing the crushing of "drums" using our shredder. Please take a look at the YouTube video in the middle of the page. <Introduction to the Shredder> The "Lion Shredder Evolution" is a shredder that synchronously drives two motors with an inverter, automatically reducing the blade speed to increase torque during overload. Powerful performance is safely controlled by the Lion Power on Demand Drive System (LPDS). There is no waiting time during reverse operation, and the action is quick. 【Features】 ■ Comparable crushing power to hydraulic systems, while maintenance costs are similar to electric shredders. ■ Minimal effort required for daily inspections, and initial investment and maintenance costs are lower compared to hydraulic systems. ■ It enters standby mode when there is no crushing material for a certain period, saving electricity costs. ■ Balances power and eco-friendliness. *For more details, please download the PDF or feel free to contact us.

• Crusher

We are introducing a video that shows the crushing of "food waste" using our crusher. Please take a look at the YouTube video in the middle of the page. <Introduction to the Crusher> The "Lion Shredder NSB-151" is an energy-efficient and powerful biomass crusher for food waste, controlled by an inverter. The comb teeth can be easily maintained as they are removable from the outside. The distance between the shaft seal and the bearing prevents damage to the bearings from juice leakage. 【Features】 ■ Suitable for crushers in closed food waste processing lines ■ Enhanced measures to prevent juice from entering the bearings ■ Blade replacement can be done on-site ■ Energy-efficient and powerful drive with inverter control *For more details, please download the PDF or feel free to contact us.

• Crusher

We are introducing a video that showcases the crushing of "nets" using our crusher. Please take a look at the YouTube video in the middle of the page. <Introduction to the Crusher> The "LION NST-222-VC" is a crusher that can control the direction and speed of the low-speed shaft's rotation (vectoring) to prevent the high-speed shaft from stopping due to overload. It is capable of crushing difficult materials such as ropes and fishing nets. The main materials used are special steel, alloy steel, and SS400, and the high-speed and low-speed shafts can be switched alternately. 【Features】 ■ Equipped with cutter vectoring mode ■ Capable of crushing difficult materials such as ropes and fishing nets ■ Normal mode prioritizes processing capacity for regular materials *For more details, please download the PDF or feel free to contact us.

• Crusher

We are introducing a video showcasing the crushing process of "iron cutting powder" using our crusher. Please be sure to watch the YouTube video in the middle of the page. <Introduction to the Crusher> The "Lion Shredder Evo" is a crushing machine that safely controls powerful lion power through an on-demand drive system. Two motors are synchronized with an inverter, and during overload, the blade speed is automatically reduced to increase torque. The occurrence of reverse rotation has significantly decreased compared to conventional models. Additionally, there is no waiting time during reverse operation, and the action is quick. When there is no crushing for a certain period, it detects the current and reduces the crushing speed, switching to "standby mode." 【Features】 ■ Extremely high energy efficiency, economical, and environmentally friendly electric drive ■ Achieves powerful crushing force through a combination of hexagonal shafts and claw numbers ■ Low noise and low vibration, eliminating the need for secondary measures such as soundproofing ■ With the powerful Lion Drive, there is less reverse rotation due to overload ■ The crushing blades have a structure that allows for on-site replacement, making maintenance and management easy and low-cost in a short time *For more details, please download the PDF or feel free to contact us.

• Crusher

Our "Dual-Axis Crusher" is a domestically produced crushing machine that achieves high crushing power and low running costs through electric drive and inverter technology. Its highly efficient crushing mechanism contributes to the reduction of various types of waste. Additionally, by reusing the crushed materials as recycled resources, it supports the realization of a sustainable circular society. It is suitable for use in factories and the recycling industry aiming for waste reduction. 【Features】 ■ High crushing power with electric drive ■ Economical with low running costs ■ Capable of handling diverse waste types ■ Contributes to the promotion of recycling cycles ■ Reliability and support unique to domestic equipment *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Crusher

This catalog introduces the "crushers" that our company handles. Starting with the "Lion Shredder," which demonstrates high energy efficiency, we also feature the highly durable "crushing blades" along with photos of crushing examples. Additionally, we introduce other products such as "belt conveyor systems," "apron conveyors," and "trommel rotary screening machines," so please take a moment to read through it. 【Featured Products (Partial)】 ■ Lion Shredder ■ Crushing Blades ■ Lion Shredder Evo ■ Belt Conveyor Systems ■ Apron Conveyors *For more details, please refer to the PDF materials or feel free to contact us.

• Crusher

The NSB-151 is a biomass crusher suitable for a closed-line configuration, such as in the pretreatment of biogas power plants and transport lines for food waste. It maintains a distance between the shaft seal and bearings to prevent damage to the bearings from waste liquid. The crushing chamber has a sealed structure that prevents odor leakage. Additionally, the comb teeth can be easily maintained with an external extraction method. 【Features】 - Suitable for crushers in closed food waste processing lines - Enhanced measures to prevent waste liquid from entering the bearings - Blade replacement can be done on-site - Energy-saving and powerful drive with inverter control *For more details, please refer to the PDF materials or feel free to contact us.

• Crusher

The "NST-222-VC" is a two-axis crusher equipped with a cutter vectoring mode. To prevent the high-speed axis from stopping due to overload, the direction and speed of the low-speed axis rotation are controlled (vectoring). The high-speed and low-speed axes can be switched alternately. Please feel free to consult us when needed. 【Features】 ■ Equipped with cutter vectoring mode ■ Capable of crushing difficult materials such as ropes and fishing nets ■ Normal mode prioritizes processing volume for regular materials *For more details, please refer to the PDF document or feel free to contact us.

• Crusher

The "NSL-1500/2000/2500" is a single-shaft crusher capable of handling a wide range of materials with powerful torque. Equipped with a torque-limiting clutch, it detects uncrushable objects such as iron blocks, and the clutch disengages to prevent damage to the machine. It can be automatically started and stopped with a single touch, and it has a machine protection feature that responds to changes in working conditions. 【Features】 ■ Equipped with a screen for uniform discharge size ■ Excellent efficiency and high output ■ Hydraulic-driven inspection door for easy inspection and repair work ■ Suitable for the production of fixed fuels, fluff fuels, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Crusher

The N4S-222 is a four-axis shredder for general recycling purposes. Due to its low-speed operation, it produces minimal vibration and can crush a wide range of materials. It repeatedly shreds until the material is below the screen size, allowing for particle size adjustment. Additionally, when the screen is removed, it can be used for coarse shredding purposes similar to a two-axis shredder. 【Features】 ■ Efficiently shreds hard materials ■ Robust and compact machine structure for space-saving ■ Capable of shredding to a uniform particle size with the screen ■ Easy screen attachment and detachment according to application *For more details, please refer to the PDF document or feel free to contact us.

• Crusher

We would like to introduce our "NS Type Small Dual-Shaft Crusher." We offer a lineup of five models, including "NS-051F," "NS-111F," and "NS-152V." The available power for the "NS-051F" can be 3.7Kw, 5.5Kw, or 7.5Kw. Additionally, the size of the crushing chamber is 351×366mm, and the thickness of the crushing blades is 14.8mm. Please feel free to contact us if you have any inquiries. 【Lineup】 ■NS-051F ■NS-111F ■NS-152V ■NS-152T ■NS-152F *For more details, please refer to the related links or feel free to contact us.

• Crusher

We would like to introduce the "NS Type Medium Two-Axis Crusher" that we handle. We have a rich lineup including models such as "NS-222U," "NS-222T," and "NS-302U." The crushing chamber of the "NS-302T" measures 840×1215mm, with an approximate weight of 12,700kg. In addition, Niihama Iron Works also offers the "Lion Shredder EVO," "Trommel Rotary Screening Machine," and "Optical Sorter." 【Lineup】 ■NS-222U ■NS-222T ■NS-302U ■NS-302T ■NS-302F *For more details, please refer to the related links or feel free to contact us.

• Crusher

We would like to introduce the "NS Type Large Dual-Shaft Crusher" that we handle. We offer six models, including the "NS-452U" with an approximate weight of 19,000 kg, the "NS-452S" at 21,000 kg, and the "NS-552S" at 28,000 kg. Additionally, Niihama Iron Works also provides "Apron Conveyors," "MEGA Lions," and "Food Waste Biomass Crushers." 【Product Lineup】 ■NS-452U ■NS-452T ■NS-452S ■NS-552T ■NS-552s ■NS-552S *For more details, please refer to the related links or feel free to contact us.

• Crusher

The 2-axis electric direct drive crusher, Lion Shredder, can safely control its powerful power with the Lion Power On Demand Drive System (LPDS). Two motors are synchronized and driven by an inverter, and during overload, the blade speed is automatically reduced to increase torque. The occurrence of reverse rotation has significantly decreased compared to conventional models. Even during reverse rotation, there is no waiting time, and the operation is quick. When there is no crushing for a certain period, it detects the current, reduces the crushing speed, and switches to "standby mode." Traditional technology has evolved powerfully by merging with the latest technology. For more details, please contact us or refer to the catalog.

• Hazardous material processing

The Lion Shredder EVO can safely control its powerful power with the Lion Power On Demand Drive System (LPDS). Two motors are synchronized and driven by an inverter, and during overload, the blade speed automatically decreases to increase torque. The occurrence of reverse rotation has significantly decreased compared to conventional models. Even during reverse rotation, there is no waiting time, and the operation is quick. When there is no crushing for a certain period, it detects the current and reduces the crushing speed, switching to "standby mode." This saves power consumption during standby. It is a shredder that balances power and eco-friendliness. For more details, please contact us or refer to the catalog.

• Crusher

We would like to introduce the "Lion Shredder EVO," which we handle. Powerful performance is safely controlled by the Lion Power On Demand Drive System (LPDS). Two motors are synchronized with an inverter, and during overload, the blade speed is automatically reduced to increase torque. Additionally, when there is no crushing for a certain period, it detects the current and reduces the crushing speed, entering "standby mode" to save power consumption during standby. 【Features】 ■ Inverter control panel incorporating the Lion Power On Demand System LPDS ■ Equipped with two cyclo reducers, combining powerful force with NIIHAMA's unique Lion Drive Gearbox for even greater torque enhancement ■ High-speed field network (CC-Link) and touch panel improve reliability, operability, and information sharing *For more details, please refer to the related links or feel free to contact us.

• Crusher

The trommel can be used for all types of "screening" without strain due to its circular rotation. It accommodates various sizes from medium to large models, and by changing the screen diameter within the same drum to two types, it allows for a more cost-effective and compact line design compared to installing two machines. It is suitable for screening residual soil and homogenizing the particle size of crushed materials as a preliminary process in the sorting line. For more details, please download the catalog or contact us.

• Other environmental equipment

The "trommel rotating screening machine" is a product that can effortlessly "screen" materials such as metal ores, crushed stone, and raw coal through circular rotation. It accommodates various sizes from medium to large models, and by changing the screen diameter within the same drum to two types, it allows for a more cost-effective and compact line design compared to installing two machines. Niihama Iron Works has a long-standing track record as a crusher manufacturer, and we invite you to consult us regarding a complete line including trommels and crushers. 【Features】 ■ The sealed structure prevents dust leakage to the outside, keeping the work environment clean. ■ By changing the screen diameter, it enables classification of various processed materials. ■ It can remove foreign substances from residual soil and sand at landfill sites, making it useful for size classification. ■ It allows for particle size selection in post-processing of wood chips and crushed stone after crushing. ■ It can remove metal scraps, ceramic scraps, and concrete, block, and tile debris from incineration ash, thereby reducing the volume of incineration ash. *For more details, please refer to the related links or feel free to contact us.

• Sieve/Shaker

We would like to introduce our "large conveyors for plants." We offer conveyors ranging from small sizes with a belt width of 350 mm to large sizes over 1050 mm, tailored to your specifications and requirements, including conveying capacity and the nature of the materials being transported. Of course, we also accommodate SUS frames and special shapes. Please feel free to consult us about a wide range of options, including outdoor covers, drop guides, dust chutes, inspection walkways, and protective devices. 【Features】 ■ The main frame is made of steel plates, making it sturdy and long-lasting. ■ We accommodate SUS frames and special shapes. ■ We provide comprehensive support from the design to the construction of the entire system. *For more details, please refer to the related links or feel free to contact us.

• Conveyor

The apron conveyor, which uses steel plates on the conveying surface, is excellent in impact resistance. It is sturdy and durable, making it easy to transport heavy loads. The adoption of hinge-type apron pans provides high strength. The conveying speed can be varied with an inverter, allowing for reliable quantitative transport (optional). Additionally, the frame features a robust truss structure, and the apron connection part is a shaft-through type, enhancing its resistance to impact. Considering durability, the rollers are made of high-quality cast iron with low friction and excellent wear resistance, and they are produced in-house from casting to finishing. The feed section is equipped with a center rail to prevent deformation of the apron. For more details, please contact us or refer to the catalog.

• Other conveying machines

The "apron conveyor" is a product designed for the transport of crushed materials, lime, and soil, featuring heat resistance and impact resistance for quantitative conveying. It is robust and durable, making it easy to transport heavy items. The use of steel plates on the conveying surface provides superior impact resistance compared to belt conveyors. Additionally, the adoption of a hinged apron pan ensures high strength. We can create customized solutions to meet various requirements. Please contact us for more details. 【Features】 ■ Sturdy truss structure frame ■ The apron connection part is a shaft-through type, making it resistant to impact ■ For durability, rollers are made of high-quality cast iron with low friction and excellent wear resistance, manufactured in-house from casting to finishing ■ The feeding section is equipped with a center rail to prevent deformation of the apron *For more details, please refer to the related links or feel free to contact us.

• Conveyor

Niihama Iron Works Co., Ltd. offers conveyors that are optimal for our customers' specifications and requirements, ranging from small models with a belt size of 350 mm width to large models over 1050 mm width, considering factors such as conveying capacity and the nature of the materials being transported. In production processes at plants for waste treatment, biomass and coal-fired power generation, chemicals, cement, mining, and paper manufacturing, the majority of transportation for raw materials, semi-finished products, and finished products is carried out by conveyors, and we have a wealth of delivery experience as a key player in production rationalization. The main frame is made of steel plates, making it robust and durable. We also accommodate SUS frames and special shapes. Additionally, we provide comprehensive support from the design to the construction of the entire system. Please consult us about a wide range of options, including outdoor covers, drop guides, dust chutes, inspection walkways, and protective devices. For more details, please contact us or refer to our catalog.

• Other conveying machines

The "PreLion" is a waste wood crusher that adopts a method of splitting, breaking, and tearing wood and other materials, rather than a shearing type. The dual-axis speed can be variably adjusted according to the crushing conditions. The crusher is protected from overload by a triple safety device consisting of torque limitation, rotational control, and current detection, minimizing damage to the drive components and blades, resulting in a long lifecycle. Additionally, when there is no crushing for a certain period, it detects the current and reduces the crushing speed to enter "standby mode," saving power consumption during standby. 【Features】 ■ Adopts a method of splitting, breaking, and tearing wood and other materials rather than a shearing type ■ Less damage to blades due to the inclusion of construction hardware and soil compared to shearing-type dual-axis crushers ■ Powerful inverter drive, capable of using up to 150% of the motor's rated capacity ■ Crushing blades are attached with bolts, allowing for blade replacement on-site ■ Adjustments to crushing granularity are possible by changing the discharge grating *For more details, please refer to the related links or feel free to contact us.

• Crusher

Our company designs a recycling line that processes materials through a combination of crushing and sorting. We currently respond to the increasing needs for construction waste processing and recycling applications. Depending on your desired specifications, we propose the optimal sorting line with various combinations of crushers, magnetic separators, trommels, manual sorting lines, vibrating screens, air classifiers, optical sorters, and more. Please feel free to contact us when you need assistance. 【Features】 ■ Responds to construction waste processing and recycling applications ■ Proposes the optimal sorting line with various combinations of crushers, magnetic separators, trommels, manual sorting lines, vibrating screens, air classifiers, optical sorters, etc. *For more details, please refer to the related links or feel free to contact us.

• Optical Measuring Instruments

We would like to introduce our "Food Waste Biomass Crusher." It is suitable for closed transport lines such as pretreatment for biogas power plants, and it prevents damage to bearings caused by waste liquid by maintaining a distance between the shaft seal and the bearings. Additionally, the crushing chamber has a sealed structure that prevents odor leakage. Our company will be exhibiting at the "BIOMASS EXPO" held at Tokyo Big Sight from February 19, 2025 (Wednesday)! We sincerely look forward to your visit. 【Features】 ■ Suitable for crushers in closed food waste processing lines ■ Enhanced measures to prevent waste liquid from entering bearings ■ Blade replacement possible on-site ■ Energy-saving and powerful drive with inverter control *For more details, please refer to the related links or feel free to contact us.

• Crusher

We would like to introduce our "Food Waste Biomass Crusher" that we handle. It is suitable for a closed transport line configuration, such as for pretreatment in biogas power plants. The distance between the shaft seal and the bearing prevents damage to the bearings from waste liquid. Additionally, the crushing chamber has a sealed structure that prevents odor leakage. We will be exhibiting at the "International Biomass Expo," held at Tokyo Big Sight, where various products and technologies related to power generation systems from biomass fuel and thermal utilization technologies will be showcased. We sincerely look forward to your visit. 【Features】 ■ Suitable for crushers in closed food waste processing lines ■ Enhanced measures to prevent waste liquid from entering the bearings ■ Blade replacement possible on-site ■ Energy-saving and powerful drive with inverter control *For more details, please refer to the related links or feel free to contact us.

• Crusher

The "MEGA Lion" is a super electric large crusher capable of torque control, rotation control, and frequent start-stop operations. With "LPDS" control that reduces speed to increase torque, it can crush difficult materials persistently. Despite being a large crusher, the starting current has been significantly reduced. Additionally, with all domestic parts, planned maintenance is possible, and in the event of a malfunction, downtime is short. 【Features】 ■ Capable of torque control, rotation control, and frequent start-stop operations ■ Crushes difficult materials persistently with "LPDS" control that reduces speed to increase torque ■ Faithfully scaled up from the reliable and proven Lion Shredder ■ Soft start with an inverter, resulting in a longer machine lifespan ■ Significantly reduced starting current despite being a large crusher *For more details, please refer to the related links or feel free to contact us.

• Crusher

The "NS-LOG Remote Management System" is a product that can display various data from the crusher in almost real-time. Since both our company and the customer can view the data simultaneously, error information can be shared, allowing for prompt responses. In the case of minor faults like thermal trips, we can provide accurate recovery methods that the customer can implement. Additionally, we will report changes in the machinery through regular reports and offer maintenance suggestions from our company. 【Features】 ■ It is possible to monitor the status of the crusher with a customer-specific account (data is updated every minute). ■ Since both our company and the customer can view the data simultaneously, error information can be shared, allowing for prompt responses. ■ We will report changes in the machinery through regular reports and offer maintenance suggestions from our company. *For more details, please refer to the related links or feel free to contact us.

• Other security and surveillance systems

Crusher Parts Cutter The crushing blade has twice the durability compared to our conventional products and is a crushing blade developed in collaboration with NIIHAMA and a blast furnace manufacturer, featuring hardness and toughness. We are working on the development of the blade from the material stage. Customization is possible. By changing the number of claws or the thickness of the blade, the particle size of the crushed material can be altered. We can also create crushing blades from other manufacturers. Niihama Iron Works Co., Ltd. has a track record of delivering 400 units of crushers, making it one of the most reputable in the industry. The crushing blade has reached its current form based on years of experience and offers excellent cost performance. For more details, please contact us or refer to the catalog.

• Crusher

If you want to repair your crusher immediately, keep maintenance costs low, or if the manufacturer is no longer available and you have no point of contact, Niihama Iron Works can assist you. After your inquiry, we will listen to the details of the maintenance needed. We will then dispatch staff, and after checking the actual machine, we will provide a free estimate. Please feel free to consult us if you have any issues with your crusher. Your company's crusher will be revitalized remarkably through maintenance and repair. For more details, please contact us or refer to our catalog.

• Crusher

Niihama Iron Works Co., Ltd. was established about 75 years ago with the aim of manufacturing internal combustion engines for ships and repairing mining machinery. Since then, we have been involved in various businesses related to iron, including the operation of foundries for cast iron and cast steel, machining, and manufacturing chemical plants. Currently, we operate with a three-pronged structure focusing on industrial machinery machining, crusher business, and real estate business. Among these, our manufactured crushers, branded as "Lion Shredder," are in operation nationwide, and we have established ourselves as a long-standing manufacturer of crushers. Moving forward, we will continue to strive to be a company that is socially necessary and indispensable, adapting to the changes of the times with unwavering effort. For more details, please contact us or download our catalog.

• Other conveying machines

We would like to introduce our "Dual-axis Inclined Type Machine with Automatic Foreign Object Separation Function, NK Series." We offer a rich lineup of five models, starting with the "NK-152T" with a crushing chamber size of 600×775mm, as well as the "NK-302T" with 840×1160mm, the "NK-452T" with 940×1430mm, and the "NK-552T" with 1090×1554mm. Please feel free to contact us when you need assistance. 【Lineup】 ■NK-152T ■NK-222T ■NK-302T ■NK-452T ■NK-552T *For more details, please refer to the related links or feel free to contact us.

• Crusher

A comprehensive facility capable of handling everything from raw materials to machining and can manufacturing, with 65 years of experience since its establishment.

• Steel