Have you ever selected a rotary damper with the correct torque, only to find that the lid does not move as expected? This video explains why matching the damper's torque characteristics to the direction and movement of the application is essential for achieving smooth, controlled closing. Using TOK's TD99 series as an example, see how horizontal-use and vertical-use rotary dampers behave differently on the same lid-and how changing the damper type can solve incomplete or unsuitable closing motion. You'll also learn key selection points, available torque options, rotation directions, and typical applications such as bakery shelves, ceiling access panels, and cooking range hoods. Watch the video to better understand how to select the right rotary damper for your application.

See how a rotary damper can transform the way a lid closes. This video demonstrates the difference between a lid with and without a rotary damper, showing how damping helps reduce sudden closing and provides smooth, controlled motion. You'll also see how the damper is installed, how lid weight affects closing speed, and what to consider when selecting the right damping torque for your application. The featured TD99B1 rotary damper is made from chemical-resistant PBT plastic with no metal components and is available in damping torques of 0.98, 1.47, and 1.96 N·m with an opening angle of 110°. Typical applications include toilet seats and lids, piano keyboard covers, home-use fax machine hinges, vending machine outlet lids, folding desks, and other products requiring gentle lid closing.

Take a behind-the-scenes look inside TOK''s Yamanashi Factory in Japan and see how precision mechanical components are manufactured from start to finish. This factory tour covers injection molding, centerless grinding, precision cutting, automated and manual assembly, quality inspection, clean-room production, warehousing, and in-house equipment and mold fabrication. See how TOK combines manufacturing expertise, automation, and rigorous quality control to produce rotary dampers, plastic bearings, torque limiters, one-way clutches, and custom-made components for customers around the world.

See how TOK''s SR2 Series Bi-directional No-Back Clutch enables smooth, one-handed height adjustment while securely holding a load at any desired position.

In this video, a lifting table demonstrates how the SR2 allows an operator to easily raise or lower a heavy object by turning a handle. Once the handle is released, the reverse-input locking mechanism prevents the table from dropping and maintains the selected height without requiring electricity or another power source.

The video also explains how the clutch works, including its input and output operation, locking mechanism, and integration with a rack-and-pinion lifting system.

Compact and easy to install, the SR2 and higher-torque SR12 Series can be used in applications such as lifting tables, seat lifts, monitor stands, and filming tripods.

Watch the video to see how the SR2 Series combines easy height adjustment with reliable position holding.

See how a hexagon socket screw can make plastic bearing installation easier and more reliable. In this video, the DR-B-JH Series demonstrates two key advantages of a hexagon socket screw design: easier installation in narrow spaces where a screwdriver cannot fit, and secure fastening with the appropriate tightening torque. Unlike cross-recessed screws, which may cam out during tightening, hexagon socket screws can be installed securely using a hex wrench. This makes the DR-B-JH Series well suited for production equipment, conveyor guide rollers, and other applications where installation space is limited and reliable fastening is important. The DR-B-JH Series is available in outer diameters from φ22 to φ35, with allowable loads from 49.0 N to 196.0 N depending on bearing size. Watch the video to see the advantages of the hexagon socket screw type in practical installation.

See how selecting the right cylinder length can make a difference when installing plastic bearings on a rail. In this video, TOK compares plastic bearings with different cylinder lengths to demonstrate how an incorrect size can interfere with the rail and cause installation problems. Replacing a 1 mm cylinder length with the appropriate 4 mm size allows the rail to fit properly and provides stable installation. TOK''s DR-B Series plastic bearings with a shoulder screw are available in cylinder lengths from 0.5 to 6.0 mm, making it easier to select a size that matches your mounting conditions. The series also offers outer diameters from φ19 to φ30 mm, allowable loads from 49.0 to 196.0 N, rust-proofed metal parts, and maintenance-free operation. Typical applications include refrigerators, sliding doors, conveyor equipment, and drawers. Watch the video to see how the correct cylinder length improves bearing installation and rail fit.

See how the SRX quick-release system enables secure attachment and detachment with just one hand and one push.

In this video, the SRX mechanism demonstrates how easily components can be fastened by inserting the male part until it clicks-and released simply by pressing it again.

Despite its compact and simple mechanism, SRX supports allowable loads of up to 10 kg depending on the load direction and offers durability of up to 50,000 cycles.

Its quick attach/detach function can be used in a wide range of applications, including removable hooks, machine components, store signs, and other parts that need to be installed and removed frequently.

Watch the video to see how SRX can simplify attachment and removal in your application.

See how the SR14 quick-release mechanism makes toilet seat and cover removal simple while supporting a soft-close system.

In this video, the SR14 is detached from the shaft by pressing a button and reattached with a simple push-making it easier to access narrow areas for cleaning and maintenance.

The compact quick-release mechanism can be combined with TOK''s TD100 rotary damper to provide both easy removal and controlled, gentle closing.

Made from chemical-resistant PBT plastic, the SR14 is suitable not only for toilet seats and covers, but also for display showcases, washing machines, garbage can lids, and other applications requiring easy attachment and removal.

Watch the video to see how the quick-release mechanism works.

See how TOK's delayed closing system helps make sliding doors easier and safer to pass through.

By combining TOK patented gears and rotary dampers, the system delays the start of door closing and then closes the door slowly and smoothly. This gives users more time to pass through-even when carrying items, when their hands are full, or when the door can only be opened slightly.

The closing timing can also be adjusted to meet different application requirements.

Watch the video to see how the mechanism works and how TOK's TD58 rotary damper helps achieve controlled door movement.

See how a continuous-rotation rotary damper can make a vertically sliding shutter safer, quieter, and easier to operate.

This video demonstrates the difference between a shutter with and without a rotary damper. Without damping, the shutter can close quickly and create impact noise. With the damper installed, the shutter closes gently under its own weight, helping reduce the risk of finger pinching and improving quietness.

The video also shows how the damper gear engages with a rack to control downward motion while allowing the shutter to be lifted with minimal resistance.

Featuring the TD88 rotary damper, this compact one-way damper offers continuous rotation and can be installed in space-limited applications such as refrigerated showcase covers, X-ray equipment, automotive components, and shutter mechanisms.

Discover how TOK''s bidirectional damper controls lid motion in both opening and closing directions.

This video explains common challenges with conventional rotary dampers, including lids that open too quickly and heavy lids that may twist when damping is applied from only one side. See how a single bidirectional damper can provide controlled motion near both the fully open and fully closed positions, helping reduce slamming, finger-pinching risks, assembly time, and component costs.

For heavier lids, two bidirectional dampers can be installed on both sides to support the lid more evenly and help prevent twisting and squeaking.

Watch the video to see the mechanism, installation options, and application examples including trash can lids, toilet seats and covers, and food display cases.

See how the TD99A7/B7 rotary damper provides smooth, controlled closing for lids that move through both horizontal and vertical positions.

With a standard rotary damper, a diagonally closing lid may move quickly near the fully open position and slow down only as it approaches the closed position. The TD99A7/B7 is designed with different torque characteristics to help the lid close slowly at a more consistent speed throughout its motion.

This video compares the closing behavior and explains how selecting the right damper for the lid angle can help achieve the desired movement.

Typical applications include display cases, food display cases, and front-opening storage boxes.

See how the SR3 Series rotary damper maintains a smooth, consistent closing speed even when lid weight changes. In this video, changing the number of weights demonstrates how variations in lid weight normally affect closing speed-and how the SR3 Series automatically adjusts its damping torque to minimize that difference. Designed for applications where object weight may vary, the SR3 Series automatically adjusts torque within approximately 0.8 to 1.1 N·m. It also offers high durability of up to 300,000 cycles and stable, gentle motion in relatively high-temperature environments. Typical applications include piano fallboards and toilet doors on passenger aircraft and high-speed trains. Watch the video to see the automatic torque adjustment function in action.

See how TD56 rotary damper helps heavy lids close gently-even when released from a low opening angle. Heavy lids, such as piano keyboard covers and covers for precision equipment, can close suddenly when released near the closed position. In this video, you can see how the TD56''s superior damping responsiveness helps control that motion for a smoother, safer close. TD56 also features a rigid zinc-alloy construction and a thin shaft that can help simplify the design of mating components. With an optional attachment, its mounting configuration can match TOK''s standard TD99 damper, providing greater design flexibility. Typical applications include piano keyboard covers, toilet seats and lids, and precision equipment such as ATMs. Watch the video to see the TD56''s damping responsiveness in action.

See how an ultra-compact rotary damper can provide smooth, controlled motion even in very limited installation space.

In this video, TOK''s compact rotary dampers are compared with a standard rotary damper to show just how small they can be. The TD101 featured in the video has an outer diameter of only Ø6 mm, making it suitable for thin lids, compact products, and other applications where mounting space is limited.

Despite its small size, the damper helps lids close slowly and smoothly while contributing to a clean, unobtrusive product design.

TOK offers a wide range of compact rotary dampers with different sizes, torque characteristics, and motion types to suit various design requirements.

Watch the video to see how compact rotary dampers can help save space without sacrificing controlled motion.

See how the TD154 rotary damper expands design possibilities with a larger 290° rotation angle. Conventional rotary dampers can be difficult to use when an application requires a wider range of motion. The TD154 significantly relaxes this limitation, making it possible to install a rotary damper in applications where rotation angle restrictions previously prevented its use. This video also demonstrates a unique application: the same CW-type damper can be installed on both sides of a lid to provide damping during both opening and closing motions, allowing smoother and slower movement in both directions. Developed based on TOK''s TD99 Series, TD154 features a 290° rotation angle and a chemical-resistant PBT plastic body. A 0.5 N·m torque specification is also available for prototype development. Watch the video to see how the TD154''s expanded rotation range can open up new possibilities for your product design.

See how a torque limiter helps protect machinery from overload damage.

This video demonstrates how TOK''s TLEU torque limiter transmits power during normal operation and automatically slips when the output torque exceeds the preset level. A simple demonstration shows how the torque limiter disconnects excessive driving force to help protect both driven components and the motor.

You''ll also see how the torque limiter is installed on a shaft and how power transmission automatically resumes once the load returns below the preset torque.

The TLEU uses magnetic coupling rather than friction to generate torque, providing quiet operation, stable torque, and high durability in a compact, lightweight design.

Typical applications include automatic doors, power windows, power curtains, and other motor-driven products.

Watch the video to see how a torque limiter works as a simple mechanical safety mechanism.