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  6. Gear reducers, gear increasers, variable speed drives, forward/reverse switching [Available for order from one unit!]

Gear reducers, gear increasers, variable speed drives, forward/reverse switching [Available for order from one unit!]

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last updated:Jun 22, 2026

益製作所 株式会社益製作所 本社・工場
益製作所 株式会社益製作所 本社・工場
  • Official site

Yamagai Manufacturing, Oya Manufacturing, Daito Seiki, Izumi Giken, Taniguchi Reducer, San Seiki - Some equivalent products can be manufactured.

Non-stop transmission capable of instant and precise shifting even while rotating. Compared to other companies' inverter products, it has fewer failures, lower power consumption, and is economical! With a slide key mechanism, precise shifting is possible whether rotating or stopped. Gears and shafts are made of chrome-molybdenum steel and are subjected to case hardening, ensuring ample strength. It operates quietly, is compact, lightweight, and inexpensive. The installation of the transmission and reduction gear can be done at any angle—horizontal, vertical, or sideways. If you contact us, we will send detailed drawings, rotation speeds, gear ratios, etc., via fax, mail, or email. Gears can be manufactured in modules ranging from 0.5 to 22. Since it uses mechanical reduction instead of electric reduction, there are no issues with torque drop at low speeds! ■ Reduction gear: Spur gear for approximately 0.75 kW to approximately 1000 kW ■ Speed-up gear: Spur gear for approximately 200 W to approximately 1200 kW ■ Transmission: Spur gear for approximately 0.75 kW to approximately 1000 kW ■ Forward/reverse switching: Spur gear for approximately 0.4 kW to approximately 37 kW ■ Other products: Design and manufacturing of equivalent products are possible. ■ Parts manufacturing: Gears, shafts, and other parts can be manufactured. *For other details, consultation is required.

    Power Transmission Equipment
MS-208GSK【モリマシナリー】.jpg

Gear reducers, gear increasers, variable speed drives, forward/reverse switching [Available for order from one unit!]

MS-208GSK【モリマシナリー】.jpg
MS-208GSK【モリマシナリー】.jpg
  • Related Link - https://masuseisakusyo.com/product02.html

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basic information

Regarding reducers, speed increasers, variable speed drives, and forward/reverse switches, there are many models not listed in the catalog. If you provide us with details such as power (kW), reduction ratio, increase ratio, variable speed ratio, input rotation speed, and input/output torque, we will send you the drawings of suitable models. Additionally, for modifications of standard products and new design manufacturing, we can design and manufacture from one unit at a low cost. We design and manufacture speed increasers for hydroelectric power generation and wind power generation. Since speed increasers are difficult to standardize, each unit will be designed according to the customer's specifications.

Price information

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Applications/Examples of results

Our company's gearboxes, reducers, and speed increasers are widely used in various industrial machines such as construction machinery, transportation machinery, civil engineering machinery, food machinery, woodworking machinery, agricultural machinery, marine machinery, forestry machinery, stone machinery, wire twisting machines, boring machines, elevators, feeding devices, wind power generation, hydroelectric power generation, lathes, and other types of industrial machinery. ● Yamai Manufacturing LP-B, Yamai Manufacturing LJ-D, Yamai Manufacturing RJ-D, Yamai Manufacturing LA15-D, Yamai Manufacturing RA15-D, Yamai Manufacturing OM-10, Yamai Manufacturing OM-15 Yamai Manufacturing DK-15L, Yamai Manufacturing LA5-BD Izumi Giken SK-75, etc. ● Oya Manufacturing SM-3, SM-5, SMP-6, etc. ● Daito Seiki HL-9, etc. ● Taniguchi Reducer TH10-4-L, Taniguchi Reducer 10KH1/5, Taniguchi Reducer 20KH1/5, Taniguchi Reducer 20KH1/20, Taniguchi Reducer 30KH1/5, Taniguchi Reducer 30KH1/10, Taniguchi Reducer 50KH1/10, Taniguchi Reducer 75KH1/30, Taniguchi Reducer 110KH, Taniguchi Reducer CH-500, etc.

Detailed information

  • MSM-6110GST【ミツトヨ】.jpg

    Products equivalent to those made by Yamai Manufacturing, Oya Manufacturing, Daito Seiki, and Sun Seiki can be manufactured.

  • 5.jpg

    We will design and manufacture from one unit. We design and manufacture gear products in general, such as transmissions, reducers, and multipliers, starting from one unit.

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"Gear Reducers, Gear Increasers, Transmissions, Forward/Reverse Switching" Q&A Collection

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Reduction gear, speed increaser, transmission, forward/reverse switching [Available for order from one unit!]

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Non-stop transmission capable of instantaneous and precise shifting even while rotating. With a slide key mechanism, precise shifting operations can be performed whether in motion or at a standstill. Gears and shafts are made from chrome-molybdenum steel and are subjected to case hardening, ensuring ample strength. Quiet operation, compact, lightweight, and economical. The installation of the transmission and reduction gear can be done at any angle—horizontal, vertical, or sideways. If you contact us, we will send detailed drawings including dimensions, rotation speed, gear ratios, etc., via fax, mail, or email. Gears can be manufactured with a module ranging from 0.5 to 22. It has low failure rates, low power consumption, and is economical! Regarding reduction gears, speed increasers, transmissions, and forward/reverse switching, there are many models not listed in the catalog. If you provide us with the power, horsepower, gear ratio, and reduction ratio, we will send you the drawings of suitable models. Additionally, for modifications of standard products or new design and manufacturing, we can design and manufacture from a single unit at a low cost. We can produce equivalent products from Yamai Manufacturing, Oya Manufacturing, Daito Seiki, and Taniguchi Reduction Gear. We also design and manufacture speed increasers for hydroelectric power generation and wind power generation.

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益製作所

益製作所 株式会社益製作所 本社・工場

Industrial Machinery

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We design, manufacture, and sell gear products such as speed reducers, speed increasers, transmission devices, and forward/reverse switches at low prices starting from one unit. We are a long-established manufacturer of power transmission equipment. We are a member of the Kochi Small Hydropower Promotion Council. We can produce some equivalent products from Yamai Manufacturing, Oya Manufacturing, Daito Seiki, and Taniguchi Reducers. Our mobile sawmill has won both the Local Industry Award and the Idea Award at the Kochi Prefectural Local Industry Awards. Established in 1956, we have a production record of 400,000 units of transmission and reduction devices! ● Mobile Sawmill Winner of the Local Industry Award at the 20th Kochi Prefectural Local Industry Awards in 2005 Winner of the Idea Award at the 5th Kochi Eco Industry Awards in 2005 ● Manual Shock Wrench Chairman's Award at the Kochi Prefectural Invention and Innovation Contest in 2001

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