Michał Rolek

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[Jack 🤖 @JacklouisP]

5-axis CNC machining – but different...

Most 5-axis machines use serial kinematics: stack a rotary A-axis on top of a rotary B-axis, mount that on linear X/Y/Z stages. Each axis carries the weight of everything after it. Heavy and slow.

🤖 The Sprint Z3 uses parallel kinematics: three linear drives working together to create BOTH the Z-axis motion AND the A/B tilt simultaneously.

No stacked rotary joints. No heavy tilting head carrying a motor on top of another motor.

The entire barrel-shaped headstock moves as one unit vertically in the column, while the three internal drives handle the spindle positioning and orientation.

⚙️ How it works:
Three linear actuators are arranged in a circle, all connected to the spindle platform through pivot arms.

- Extend all three equally → spindle moves straight up/down (Z-axis)
- Extend them different amounts → spindle tilts (A/B axes)

It's using geometry instead of stacked rotary joints to create tilt

🤔 Why this is useful:
Way less moving mass than serial kinematics. Less mass = faster accelerations, higher precision, better surface finish. For high-speed machining, dynamics matter more than workspace.

Question: Is this a good design or overcomplicated❓

[Shah @ai_with_shah]

🚨Something wild is happening right now.

While we've been debating AI, companies have quietly been building humanoid robots that can actually DO things.

I spent the weekend researching this & here are 11 robots that genuinely blew my mind:

[Chubby♨️ @kimmonismus]

The AI job crisis is real

The U.K. is facing a severe Gen Z job crisis: around 1.2 million graduates are competing for just 17,000 available entry-level positions, the worst ratio since the late 1990s.

AI automation and hiring freezes have wiped out many entry-level roles, while universities keep producing degrees misaligned with market needs—leaving thousands of young workers stranded between education and employment.

[Wevolver @WevolverApp]

Gecko: AI and Robotics for Infrastructure

AI and robotics are reshaping how critical infrastructure is built, operated, and maintained, supporting efforts toward greater reliability and sustainability.

Gecko deploys fixed sensors along with climbing, crawling, swimming, and flying robots to capture detailed data on physical structures. This information is then integrated with AI-based predictive analysis, creating a unified data layer that supports informed decision-making in infrastructure management.

Video source: @geckorobotics

#robotics #AI #technology #engineering #robots #innovation

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[T.Yamazaki @ZappyZappy7]

軽量で頑丈なタッチセンサー付きバイオニックハンド
人とロボットに高度な能力をもたらす
https://t.co/1RTTrboACm

#bionics #prosthetics #BionicHand #RedefiningHuman #RedefiningRobots #experience #a11y #accessibility #AbilityHand #PSYONIC

[CyberRobo @CyberRobooo]

The Potential of Humanoid Robots for Home Use (No Ranking)

Soon, we'll begin to experience the convenience of these humanoid robots as life assistants in airports, high-speed rail stations, restaurants, hotels, shopping malls, laundries, nursing homes, and other service locations.

Over time, as humanoid robot models evolve, deployment scales, and costs decrease, perhaps they will gradually enter people's homes.

When will this happen? Technology always outpaces user adoption, which requires considerable effort.

[Wevolver @WevolverApp]

The casting vision inspection process integrates 5 KUKA robots with specialized cameras and optics from Opto Engineering to conduct visual inspection of aluminum castings in serial production. The system is capable of completing an inspection cycle within 30 seconds.

By automating the process, the approach reduces reliance on manual inspection and provides consistent, objective quality control. Detection results can be analyzed to deliver timely feedback and support process optimization aimed at improving production yield.

Video source: DATALAN Quality Instruments (DQI) / Martin Balog

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[Wevolver @WevolverApp]

A miniature 6-axis robotic arm prototype was tested to evaluate its 6-DOF (Degrees of Freedom) performance. Colored markers attached to the end effector represent the X, Y, and Z axes of its reference frame, providing a clear visualization of the motion.

The arm demonstrated relatively smooth movement for an early-stage prototype, though some wobbling in the reference frame was observed during rotations. These variations are likely due to part tolerances and assembly imperfections.

Video credits: Oleksandr Stepanenko

#robot #robotics #engineering #automation #robotarm #roboticarm #actuator

[Jack 🤖 @JacklouisP]

First rule of automation - make your system as simple as possible but no simpler.

The tending 'robot' of this wire bender is made up of one linear and one rotary actuator.

Not pretty, not flashy, but if it gets the job done 99.999999% of the time with minimal maintenance required - Job is a good un.

[Jack 🤖 @JacklouisP]

Carbon Robotics started with a simple question over lunch in Idaho:

"What's your biggest farming challenge?"

The farmer's answer: weeds.

The solution? Autonomous lasers.

Let's dig into @carbon_robotics amazing tech ⬇️

[CyberRobo @CyberRobooo]

The Galbot G1 autonomously picks up snacks and delivers them to customers. Its wheeled design allows it to freely move up and down to retrieve items and quickly move them high. This is a real demonstration of an unmanned convenience store. Photographed at WRC2025.

[Science girl @sciencegirl]

look under the skin of a hyper-realistic robot

[Wevolver @WevolverApp]

The future of electric vehicles (EVs) is growing rapidly, and their battery packs are a vital part of that growth. The components in EV battery packs require precision and durability this is what CNC machining delivers, with unmatched speed, accuracy, and performance.

But a complete solution is not just limited to CNC machining. Injection molding for medical devices, custom plastic molded parts for electronics, and reliable custom injection molding solutions also play an equally important role in the EV industry.

Check out the full article by @RPWORLD6 here: https://t.co/RxTkdiSkka

#CNC #machining #EVs #BatteryPacks #technology #engineering #manufacturing #innovation

[T.Yamazaki @ZappyZappy7]

NVIDIA Jetson Thor で動く人型ロボット(車輪移動式)
遠隔操作なしで100％の自律走行性能を発揮！
流れるように動き、不測の事態にも対応する
https://t.co/R5A3wWTd17

#humanoid #robot #wheeled #NVIDIAJetson #JetsonThor #VLA #PhysicalAI #nvidiarobotics #Galbot

[Wevolver @WevolverApp]

Swamp Dog: Autonomous Perimeter Patrol at Tyndall Air Force Base

Swamp Dog conducts autonomous patrols over a 5-mile base perimeter at Tyndall Air Force Base. After completing its route, the system recharges and resumes operations—providing continuous, 24/7 monitoring.

Video Credit: Ghost Robotics

#engineering #technology #robotics #robots

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[The Humanoid Hub @TheHumanoidHub]

ALLEX robot by WIRobotics demonstrating a precision task.

The South Korean startup was originally founded to develop wearable robots for walking assistance.

[Bindu Reddy @bindureddy]

Robot hands are already becoming more powerful than human hands.

The next big AGI moment is when we can buy fancy robots for $100K to do all the housework!

[Wevolver @WevolverApp]

Carnegie Mellon University's College of Engineering has developed "Zippy," the smallest, fastest, power-autonomous bipedal robot. Standing at just under 1.5 inches tall—comparable to a LEGO minifigure—Zippy is capable of self-starting from a standstill, walking at over 10 leg lengths per second (equivalent to an adult human walking at 19 mph), turning, skipping, and ascending small steps, all powered by its onboard battery, actuator, and control system .

The robot was developed as part of a multiyear NSF-supported project led by Professors Aaron Johnson and Sarah Bergbreiter, aiming to understand locomotion at small scales to build more capable miniature walking robots. Undergraduate students Soma Narita and Josef Macera contributed to Zippy's design, which builds upon the team's prior steerable bipedal robot, Mugatu. Zippy's walking mechanism involves lifting its front leg and shifting its center of gravity forward, using momentum and a rounded front foot to enable the other leg to swing through and take a full step. Due to its small size, Zippy employs a mechanical hard stop as a joint limit for its hip instead of a servo.

Video Credit: Carnegie Mellon Engineering

#engineering #technology #robots #robotics

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[Reborn @reborn_agi]

Team BIGAI (led by @siyuanhuang95) crowned champion in the solo dance contest with Unitree G1 at World Humanoid Robot Games.

The humanoid wowed the crowd with rapid hip-hop moves.

[Wevolver @WevolverApp]

"Infinite Fetch" by AATB: A Playful Interaction Between Robots

Infinite Fetch is a prototype art piece by AATB that stages a game of fetch between a robotic arm and a robot dog. The work playfully explores inter-robot interaction and the programming of familiar behaviors, offering a creative take on companionship, repetition, and autonomy in robotics.

Video source: @Universal_Robot

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