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Latest update: 30/10/2018 14:10:35

KSS Co.,Ltd.

We are a miniature ball screw manufacturer that supplies products to the medical, robotics, and space industries.

Our main business is planning, development, and manufacturing of miniature ball screw products and applied products (sub-unit products such as actuators). Small-diameter ball screw production is our core technology, and we can make ball screws with small outer diameters of less than 16 mm as our specialty. We can make smaller shaft diameters to the world’s smallest level (1.8 mm) with a 0.5 mm lead. These products are used in semiconductor manufacturing equipment, liquid crystal manufacturing equipment, inspection equipment, machining tools, and so on. Recently their applications have been expanding, and they have been adopted for medical equipment, robots, food machines, injection molding machines, aerospace devices, automobiles, and other kinds of products.

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[Company strength]
Our core technology is small-diameter ball screw manufacturing (thread grinding, and assembly techniques). We can make ball screws with a small outer diameter of less than 16 mm as our specialty. We can make smaller shaft diameters to the world’s smallest level (1.8 mm) with a 0.5 mm lead. Specialized miniature ball screw manufacturers are globally rare. Recently we have been trying to integrate multiple functions in addition to miniature ball screws, or to combine screws with peripheral units to save space. 

[Business description]
Our main business is planning, development, and manufacturing of miniature ball screw products and applied products (sub-unit products such as actuators). Miniature ball screws and actuators are used in semiconductor manufacturing equipment, liquid crystal manufacturing equipment, inspection equipment, and machining tools. Recently their applications have been expanding, and they have been adopted for medical equipment, robots, food machines, injection molding machines, aerospace devices, automobiles, and other kinds of products. 



[Industry]
Ball Screw manufacturing

[Strength of products/technologies]
Our company provides ultra-high-precision machining (thread grinding) of miniature ball screws that are smaller than palm-size. This technology and our assembly techniques are so sophisticated that they cannot be found elsewhere. We have also joined ball screws with peripheral units (motors, bearings, and other direct-acting devices) to create combined products for space conservation. These manufacturing techniques and the compactness of miniature ball screws as well as the product development capabilities that resulted in our multi-function actuators have become our strength. 



[Representative's message]
We try to intently listen to our customer’s requests, and focus on enhancing our product development and production technology from the customer’s perspective. We aim for mutual prosperity with our shareholders, customers, and partners, and we will not narrow-mindedly pursue expansion. We will continue our efforts to become a small but shining company with unique characteristics rather than a top-ranked company. 

[Company structure for market development/overseas expansion]
Our sales department has seven staff members responsible for the Japanese market, and another five for the overseas market. Our overseas sales representatives provide support in English, and one of them is exclusively in charge of the Chinese market. Technical support is provided by our sales and technology department. This department has three staff members, and they are all fluent in English. They accompany other representatives when there are technical difficulties to discuss, and provide support on-site. We have a global network of sales agencies that deal with our products, and hold Web conferences with customers whenever necessary. 

[Market share/Ranking]
Machining tools are the main application of ball screws. The ball screws used in machining tools vary in size, but large-diameter articles are used most often. Our company specializes in miniature ball screws (shaft diameter 16 or smaller) that other manufacturers are not good at. 



[Awards and media coverage]
[Awards]
300 of Japan's Vibrant Monozukuri (Manufacturing) SMEs selection by the Small and Medium Enterprise Agency of Japan (2008); 23rd Ota Ward SME New Product/New Technology Competition, Excellence Award; Monodzukuri Nippon Conference/Nikkan Kogyo Shimbun, Super “Monodzukuri” Innovative Parts and Components Award competition, Machine Parts Award (2013); 25th Ota Ward SME New Product/New Technology Competition, Encouragement Award. 

[Media]
TV Asahi, “New Star: Tenjikai e ikou” (September 4 and 11). 


[Authorization/Certification]
ISO 9001 and ISO 14001 (Ojiya Plant).

[Joint research and development]
Motor manufacturer: Joint motor-coupled ball screw development (since 2001).
Direct-acting device manufacturer: Joint development of a combined product (BSSP) that joined a ball screw with a ball spline to integrate direct action, rotation, and suction into one unit (since 2010).
Motor manufacturer: Joint development of a compact linear actuator with built-in hollow motor; direct action-rotation-suction (V-Z-θ) actuator (since 2012).


[Intellectual property]
Electric Linear Actuator (Japanese Utility Model Registration No. 3174891, March 21, 2012); Electric Linear Actuator (Japanese Utility Model Registration No. 3173955, February 8, 2012); Ball Screw with Linear Motion Bearing (Japanese Patent Registration No. 5794756, August 21, 2015); Linear Motion Guiding Device (Japanese Patent Registration No. 5410948, November 15, 2013).

[Factory (domestic)]
 Ojiya City, Niigata Pref., Japan

[Factory (overseas)]
N/A

[Main Clients / Business History (domestic)]
Semiconductor manufacturing equipment; analyzing and measuring instruments; medical equipment (sample inspection equipment); liquid crystal manufacturing equipment; industrial and medical robots; and so on.

[Main Clients / Business History (overseas)]
Semiconductor manufacturing equipment; analyzing and measuring instruments; medical equipment (sample inspection equipment); liquid crystal manufacturing equipment; industrial and medical robots; and so on.

[Exhibition History/Information]
19th M-Tech (October 2016).

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ
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