Motor Unit
Motor Unit
Motor Unit
Motor Unit
Motor Unit
Motor Unit

Motor Unit Claimed

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Description

Today, a large number of unit products are used in a variety of applications such as medical equipment, automobiles, fuel cells, robots and precision instruments. The performance of these products is supported by the performance of the motor. On the other hand, mechanical design, component processing and control to maximize the performance of the motor, which is the engine, are essential.

We have been manufacturing motors for many years and are now in the process of transforming ourselves into a unit/machine manufacturer.

The functions required of unit products are extremely diverse, including precision drive, high output, light weight, low heat generation, low vibration, and low power consumption.

We offer optimal motors, reduction gears, actuation technologies such as the current-free locking mechanism “dyNALOX”, compact clutch mechanisms, torque transmission mechanisms, and control, as well as precision machined parts and precision assembly technologies that make full use of our core technologies of “cutting”, “grinding”, and “polishing”, all of which are unique ideas unique to our company as a motor manufacturer.

Servo motors for robot joints

Now that the coexistence of humans and robots is just around the corner, a variety of small robots have emerged. A variety of small robots are now available to perform tasks in place of humans, talk to people, monitor rooms, and provide information through a web connection.

We have developed a small servo specialized for small robots. We have achieved unprecedented miniaturization by arranging the drive motor, gears, and other parts in a precise and optimal layout in a limited space to make the structure suitable for the robot’s joints. In addition, while being conscious of how small robots are used, new technologies to ensure product reliability include a “micro clutch mechanism (torque limiter)” to release the force when an unexpected load is applied from the outside, a “non-contact potentiometer” to improve durability and realize precise operation, a “φ10 It is equipped with a “brushless motor”.

Micro-mechanism

At present, minimally invasive surgery (endoscopic surgery) is increasingly used to reduce the burden on the body by minimizing the scarring at the time of surgery and shortening the post-operative hospital stay. This is a technique in which a small hole is made in the body and endoscopes and forceps are inserted into the body through the hole, and surgery is performed. NOTES: Natural Orifice Transluminal Endoscopic Surgery) to less invasive procedures are still being developed.

This development is supported by robotic technology and forceps with dexterous movements in a limited introduction pathway and space. The application of medical robotics has made it possible to perform surgical operations beyond the human hand.

Our micro-mechanisms, which are a fusion of micro motor technology, precision machining technology and precision assembly technology, will contribute greatly to this ultra precision robotic forceps.

End Effectors for Collaborative Robots

In recent years, the number of collaborative robots that perform tasks together with humans, such as bio/scientific experiments, drug discovery experiments, cosmetic development experiments and visual inspections, has increased rapidly. The collaborative robots are required to be compact and light-weight from the viewpoint of space saving and easy installation, as well as dexterous end-effectors to realize a wide variety of tasks. In addition, safety is also required to prevent injuries to people when end-effectors come into contact with people.

Adamant Namiki has released K3 Hand for cooperative robots as a solution to this problem. Adamund Namiki has developed a new concept of robot hand, which is “Kiyo”, “Kogata” and “Keiryo” at the same time.

Each active joint is equipped with a non-contact output axis encoder and a clutch mechanism. Although compact and lightweight, the “Familiar Grasping Function”, which allows the fingers to follow the shape of the workpiece, and the dexterity to close and spread the fingers, and the clutch mechanism provides safety to avoid injury in case of collision with a person.

The high range of motion and finger opening/closing allows for various finger positions and fingertips to be used in a variety of postures for differently shaped objects.

In addition, each finger is assigned a grasping function and a dexterous motion, which enables both grasping and manipulation of scientific instruments such as electric pipettes.

In addition, 3 or more fingers are equally positioned so that the workpiece is automatically pulled into the center of the palm during the gripping process, even if the hand and the workpiece are not aligned during the gripping process, which makes it possible to hold petri dishes and well plates even when the hand and the workpiece are not aligned.

At 290g, the lightest of the 8DOF* multi-fingered hands, the 8DOF* is compatible with the industry’s smallest collaborative robot arm (with a payload of 500g) and, even with the inertia of the arm’s operation, can deliver a payload of 100g**.

*DOF (Degree of Freedom) = Degree of Freedom = Number of actuators

**Payload = effective load.

Special Robot Hand

At present, robots are used by many manufacturers for welding, assembly, circuit board mounting, palletizing, etc., and they have become an indispensable part of our lives.

On the other hand, in recent years, there is a strong desire to develop robots that can perform tasks in place of humans, due to the increase in the amount of collaborative work at manufacturers’ production sites and the need to work in special/hazardous environments where humans cannot enter. End-effectors are essential for such robots. Since the development of the world’s smallest φ10 mm DC coreless motor in 1973, we have been developing new concepts in anthropomorphism, dexterity, non-energized holding, and high output by taking advantage of the technologies we have cultivated as a pioneer manufacturer of DC coreless motors and micromotors (ultra-small motors) in Japan. We propose a robotic hand.

In order to realize anthropomorphism, multiple degrees of freedom are essential. For that purpose, many motors and mechanisms are mounted in the fingers or palm. In addition, the size of robot hand needs to be close to human hand size, considering the use of tools instead of human. In order to mount the power mechanism in the narrow space of the fingers, the motor and the ball screw are arranged in parallel and the power of the motor is transmitted through the ball screw and the link to flex and extend the fingers.

In contrast, the DyNALOX, a patented non-energizing lock mechanism, is installed in each joint.

In other words, the robot has an absolute gripping reliability to keep gripping the workpiece even in case of power failure, power line trouble or battery failure.

In addition, the low power consumption contributes to the extension of the robot system’s operation time, since the disaster countermeasure robot is expected to operate outdoors and the battery is considered to be the main power source.

Diaphragm pump

With the development of human society, the amount of energy consumed in the world has increased dramatically, and the need for new energy sources to replace fossil fuels has long been called for, and various developments are now underway. One such solution is fuel cells. Nowadays, fuel cells are beginning to be used in households, and they are attracting attention as an environmentally friendly new energy system. Our diaphragm pumps support the performance of these fuel cells.

It is the check valve that greatly affects the performance of the diaphragm pump.

Our diaphragm pumps have an original check valve structure that controls the contact pressure between the diaphragm and the base, increases the contact pressure, and optimizes the contact condition, resulting in stable self-feeding and flow rate characteristics.

In addition, our diaphragm pumps have excellent corrosion resistance and can be applied to a wide variety of fluids by selecting the appropriate wetted parts for the fluid, so they have been used in a wide range of state-of-the-art equipment for the next generation in the fields of life sciences and new manufacturing processes, such as cell separation equipment, 3D printers, and industrial printers.

Optical Interferometer/Interior Circumferential Precision Measuring Machine

OCT (Oximeter)

Today, the importance of the evaluation of the internal circumference of precision micropores is increasing rapidly, for example, fuel injection nozzles for aerospace equipment, hollow parts for medical equipment, precision nozzles for analyzers and fluid bearings.

Although it is possible to measure and evaluate comparatively large internal diameter parts by using an internal diameter tester, roundness tester and roughness/shape tester, respectively, it has been impossible to measure fine pores without splitting the part in half.

We have developed the NMH-02, an OCT-type internal circumference measuring instrument that uses near-infrared light interference to visualize the inner surface of a pore, which was invisible until now.

The world’s smallest Φ0.9mm motor, a special probe using our patented translucent reference pipe system, and our patented tilt correction calculation algorithm have made it possible to achieve the following: (1) minimum internal diameter of 1.1mm, (2) simultaneous measurement of internal diameter/roundness/shape, (3) repeatability accuracy of σ = 0.2μm, and (4) setting-free measurement. This is a new concept in measuring instruments. This is truly a product that only our company, with its ultra-small diameter motor technology and optical communication technology, can offer.

In addition to observing and measuring the inner circumference of the pore, it can simultaneously measure the inner diameter, roundness, roughness and shape, which until now had to be measured separately using a dedicated measuring machine, thus drastically reducing the measurement time from about 30 minutes/workpiece to about 30 seconds/workpiece, thereby improving the throughput of the customer’s measurement. We will make a significant contribution.