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31, Jan, 2026
Why Tank-Style Chillers Aren't Always Best for Extrusion Lines

RobotDiggchillerchiller typeshell and tube chiller

In the world of plastic extrusion, temperature control is everything. When setting up a cooling system, many operators instinctively reach for a Tank-Type Chiller because it’s an all-in-one solution. However, if your extrusion line already includes a cooling trough or a built-in water tank, adding a...

24, Jan, 2026
The Death of the Battery: Why Mechanical n Inductive Encoders are the New Standard for Stepper and Servo Motors

encoderservo motorBattery-free EncoderMechanical Multi-turn EncoderAbsolute Rotary Encoder

For years, the motion control industry has been stuck with a "necessary evil": the encoder battery. Whether it was a high-end Japanese servo or a customized closed-loop stepper, if you wanted Absolute Multi-Turn capability (the ability to know exactly where your machine is and how many times it has ...

12, Jan, 2026
The Core Drivers of Plastic Price Volatility: An Analysis of the "Big Four" Raw Materials

robotdiggplasticTPUPBTPBAT

In the complex world of plastics, where thousands of end-products exist—from simple films to high-performance engineering parts—price fluctuations can often seem chaotic. However, the pricing power of the entire industry is actually anchored to four fundamental chemical building blocks. Understandin...

05, Jan, 2026
Beyond the Hype: Why Low-Voltage Permanent Magnet Servos and FOC are the

low voltage servo motorbldc servoIntegrated Servo MotorFOC controlrobotdigg

If you’ve been scrolling through the RobotDigg inventory, you’ve likely seen a growing section dedicated to Low-Voltage BLDC Servos. In the past, "Servo" meant expensive 220V AC industrial beasts, while "Brushless" meant high-speed drone motors that were hard to control at low speeds. Today, the lin...

03, Jan, 2026
Galloping into 2026: Happy Year of the Fire Horse!

robotdiggthe fire horse2026happy new year

To our valued RobotDigg community, The Year of the Fire Horse is here. In tradition, this sign represents unbridled energy, rapid progress, and the courage to forge new paths. At RobotDigg, this resonates deeply with our mission for 2026. Just as the Fire Horse symbolizes power and motion, we are re...

31, Dec, 2025
Revolutionizing DIY Pick-and-Place: A Deep Dive into the Juki Nozzle System and Nozzle Adapters

nozzle adapterjuki nozzlepick and placeopen pnphollow shaft stepper motor

In the world of custom automation—from DIY SMT (Surface Mount Technology) machines to high-speed Delta "spider" robots—precision and flexibility are the two most important factors. If you are building a custom pick-and-place (PnP) system or a specialized packaging machine, choosing the right interfa...

24, Dec, 2025
Industrial-Grade LFAM: Mastering Glass Fiber and Carbon Fiber with RobotDigg Pellet Extruders

carobon fiberpellet extruderadditive manufacturingrobotdigg

In the world of Large Format Additive Manufacturing (LFAM), the move from standard polymers to composite materials like Glass Fiber (GF) and Carbon Fiber (CF) is not just an upgrade—it is a fundamental requirement. These reinforcements provide the structural integrity, reduced shrinkage, and thermal...

15, Dec, 2025
The Lab-Scale Breakthrough: RobotDigg’s Desktop Wire Coating Line for PEEK & Fluoropolymers

robotdiggwire coatingcrosshead diepeek extrusion

In the world of wire and cable manufacturing, working with "super polymers" like PEEK (Polyether Ether Ketone) and Fluoropolymers (FEP, PFA, and widely referred to as PTFE) typically requires massive industrial lines and significant material waste.The RobotDigg Desktop Wire Coating Experimental Line...

04, Dec, 2025
Professional Guide: Maximizing Performance of Miniature Linear Rails (Beyond the Myths)

linear railmgn9mgn12robotdigg

At RobotDigg, we know that many users try to "hack" or modify budget linear rails to improve their smoothness. A common practice found on hobbyist forums involves washing out factory grease, swapping carriages, or reaming channels. However, treating a precision component like a DIY project often lea...

25, Nov, 2025
Dexterity Hands Industry Report: The Democratization of Robotic Manipulation

Dexterity Handdexterous handhumanoid robotgripperflexible gripperadaptive gripperdex hand motor

Date: November 25, 2025 Prepared by: Tech Industry Analyst Executive Summary The landscape of robotic manipulation is undergoing a seismic shift. Historically dominated by prohibitively expensive research hardware, the "dexterous hand" market is rapidly democratizing. A new wave of innovators—rangin...

20, Nov, 2025
RobotDigg Components Power 1st Place IAAPA Award-Winning Game!

robotdiggcoastal amusementsIAAPAamusement machine

[Orlando, Florida Nov. 17-20] – RobotDigg is proud to announce its integral role as a key vendor and technology partner in a game that recently secured a prestigious 1st Place IAAPA (International Association of Amusement Parks and Attractions) Award. The award recognizes excellence in Amusement Ind...

17, Nov, 2025
Shredder Knife Material Comparative Analysis: 75Cr1, 9CrSi, and H13

shreddershredder knifeknife boxrobotdigg

RobotDigg is a provider of robotics, 3D printing components (like motors and linear motion systems), and also offers smaller, desktop-scale shredders and recycling machines, particularly for plastics, we know that the knives are the core of the equipment, and the choice of their material directly de...

04, Nov, 2025
From Field Waste to Factory Floor: The Twin Revolutions in Sustainable Materials

robotdiggPLApolylactic acidbioplasticrice husk

The manufacturing world stands at a critical juncture, demanding materials that decouple growth from fossil fuel dependency. This shift is manifesting along two parallel, powerful paths: the high-tech valorization of agricultural waste, exemplified by rice husks, and the rise of Polylactic Acid (PLA...

20, Oct, 2025
Why Agglomerated Plastic Pellets Fail in Film Production: The Necessity of Secondary Re-Extrusion

plastic recyclefilm productionagglomeratorrobotdiggplastic extrusionpelletizing

At RobotDigg, we often encounter manufacturers, like our recent client from Australia, who attempt to use plastic granules produced by a low-temperature cold pelletizing machine (specifically, an Agglomerator or Compactor) directly for high-precision applications such as blown film or film casting. ...

09, Oct, 2025
Low-Temperature Cold-Pelletized Recycled Plastic Granules are Not Suitable for Direct Processing

robotdiggplastic recyclingpellet extruderplastic agglomerator

RobotDigg states that "Recycled plastic granules produced by low-temperature cold pelletizing machines (which do not involve heating or dewatering) are not suitable for direct extrusion or injection molding; they require a secondary hot-melt granulation (re-extrusion) process before they can be used...

24, Sep, 2025
The Future of Motion Control: Integrated Linear and Rotary Actuators

linear actuatorlinear modulerotary actuatorintegrated linear motorharmonic drive reducerrotary table

In the field of high-precision automation and robotics, the demand for compact, accurate, and efficient motion systems is higher than ever. Traditional setups, which relied on separate linear and rotary components connected mechanically, are giving way to advanced, integrated solutions. The ultimate...

11, Aug, 2025
A Tale of Two Films: Calendering vs. Casting

film calenderingfilm castingplastic film

The world of plastic films, from the humble decal to the sophisticated vehicle wrap, is a testament to the ingenuity of manufacturing. But not all films are created equal. The very process of their creation—calendering or casting—dictates their properties, applications, and performance. Understandin...

07, Jul, 2025
Transforming Waste into Value: The Powerhouse Machines of the Plastic Industry

shredderpelletizergranulatorcrusher

The modern plastic industry is a marvel of innovation, constantly seeking to optimize production, minimize waste, and embrace the circular economy. At the heart of this transformation lies a quartet of essential machines: shredders, granulators, crushers, and pelletizers. These powerhouses work in c...

08, Jun, 2025
The relationship between three common closed-loop modes and FOC control

closed-loop modeservo motorservo systemFOCcurrent control loopspeed control loopposition control loop

It's important to clarify the relationship between "three common closed-loop modes" and "FOC control" They are not equal, but rather deeply interconnected, especially in high-performance servo systems. The "three common closed-loop modes" refer to the hierarchical control structure of a servo system...

06, May, 2025
Whirlwind Milling vs. CNC Milling for Screw Manufacturing and the Cost Implications for Different Screw Types

Whirlwind MillingCNC Millingextrusion screwtransmission screwfeeding screw

The manufacturing of screws utilizes different machining techniques depending on the intended application and the complexity of the screw design. Two prominent methods are whirlwind milling and CNC milling, each with distinct characteristics and suitability. Whirlwind Milling: This process employs a...

09, Apr, 2025
The Realm of Motion: Unraveling the Mechanisms of Lead Screws, Ball Screws, Reversing Screw and Beyond

lead screwball screwball splineplanetary ball screwreversing screwdiamond shaft

In the intricate world of mechanical engineering, the precise and efficient conversion of rotary motion into linear motion is a fundamental requirement across a vast spectrum of applications. From the delicate movements of robotic arms to the powerful thrust of industrial machinery, various mechanis...

04, Mar, 2025
Reversing or reciprocating screw

reversing screwball screwextrusion screw

Reversing screw When you encounter the term "reversing screw," it typically refers to a specialized type of screw mechanism designed to produce reciprocating linear motion without requiring the screw itself to reverse its direction of rotation. Here's a breakdown: Key Characteristics: Reciprocating ...

05, Feb, 2025
Humanoid Robots Steal the Show with Traditional Dance Performance at 2025 Spring Festival Gala

Dexterous Handcoreless motorend effectorrobotic actuator

Shanghai, China – Feb 5, 2025 – Humanoid robots took center stage at the 2025 Spring Festival Gala, China's most-watched television event, captivating a global audience with a stunning display of traditional Chinese folk dance. The performance showcased the remarkable advancements in robotics techno...

22, Feb, 2024
2024 The Year of Loong

2024the year of LoongRobotDigg

Dear friends, RobotDigg has been back to work after the China Traditional New Year holiday since 18th, Feb 2024. In China, this year is the Lunar Year of the Loong, The Loong is widely accepted as the totem of China; The Loong is not a real animal, but a created one with the features of 9 other diff...