--- title: Portescap in Motion blog | Brush DC Motors description: Brush DC Motors | Portescap offers best-in-class solutions to meet the motion needs of medical and industrial applications. Find tips and updates on our blog here. --- - [Languages](http://) - [ENGLISH](https://www.portescap.com/en) - [PORTUGUÊS](https://www.portescap.com/pt-br) - [DEUTSCH](https://www.portescap.com/de-de) - [简体中文](https://www.portescap.com/zh-cn) - [日本の](https://www.portescap.com/ja-jp) - [한국어](https://www.portescap.com/ko-kr) - [Distributor Locator](https://www.portescap.com/en/support/distributor-locator) - [Support](https://www.portescap.com/en/support) - [Contact Us](https://www.portescap.com/en/contact-portescap) Search [![portescap-logo-lg](https://www.portescap.com/-/media/project/automation-specialty/portescap/portescap/logos/portescap-logo-lg.png?h=67&la=en&w=321&hash=B90A54087FFCCA0046A707098C8A93BB "portescap-logo-lg")](https://www.portescap.com/) - [Products](https://www.portescap.com/en/products) - [Brushless DC Motors](https://www.portescap.com/en/products/brushless-dc-motors) - [All BLDC Motors](https://www.portescap.com/en/products/brushless-dc-motors/all-bldc-motors) - [Ultra EC Motors](https://www.portescap.com/en/products/brushless-dc-motors/ultra-ec-motors) - 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[Tradeshows & Events](https://www.portescap.com/en/about-portescap/tradeshows) - [Blog](https://blog.portescap.com/) Menu # Portescap in Motion ## [Estimate Brush DC Motor Reliability With Confidence](https://blog.portescap.com/estimate-brush-dc-motor-reliability-with-confidence) Posted by [Utpal Rabha](https://blog.portescap.com/author/utpal-rabha)   Mar 17, 2022 **Estimate Brush DC Motor Reliability With Confidence** When it comes to manufacturing advanced medical instruments, reliability is a critically important consideration for coreless miniature DC motors. To estimate a motor’s expected lifetime, manufacturers employ reliability tests to measure a motor’s survivability against typical stresses like torque, speed, temperatures and vibration. Because it can take months or years to test a motor’s resistance to these conditions, accelerated life testing (ALT) over an abbreviated schedule is often the most practical testing approach. [Read More](https://blog.portescap.com/estimate-brush-dc-motor-reliability-with-confidence) Topics: [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors), [Portescap](https://blog.portescap.com/topic/portescap), [DC motors](https://blog.portescap.com/topic/dc-motors), [DC motor lifetime testing](https://blog.portescap.com/topic/dc-motor-lifetime-testing), [DC motor B10 reliability](https://blog.portescap.com/topic/dc-motor-b10-reliability), [medical instruments](https://blog.portescap.com/topic/medical-instruments), [coreless brush DC motors](https://blog.portescap.com/topic/coreless-brush-dc-motors), [motor reliability analysis](https://blog.portescap.com/topic/motor-reliability-analysis), [motor lifetime](https://blog.portescap.com/topic/motor-lifetime), [Weibull analysis](https://blog.portescap.com/topic/weibull-analysis), [Weibull distribution](https://blog.portescap.com/topic/weibull-distribution), [torque speed curve](https://blog.portescap.com/topic/torque-speed-curve), [DC monitor reliability testing](https://blog.portescap.com/topic/dc-monitor-reliability-testing), [time-to-failure](https://blog.portescap.com/topic/time-to-failure), [TTF](https://blog.portescap.com/topic/ttf), [DC motor B10 life](https://blog.portescap.com/topic/dc-motor-b10-life) ## [Choosing a Motor for Electronic Pipettes](https://blog.portescap.com/motor-selection-for-electronic-pipettes) Posted by [Valentin Raschke](https://blog.portescap.com/author/valentin-raschke)   Oct 12, 2021 **Choosing a Motor for Electronic Pipettes**                                                                                                                                   When it comes to dispensing a specific volume of liquid in a lab environment, pipettes are essential. Electronic air displacement pipettes have taken the lead due to the needfor a high level of precision and accuracy required for repeated use over a periodof time. With the improvement of a digital interface for adjusting aspiration or dispensing, electronic pipettes offer a huge advantage and relief from ergonomic methods. The motor is the key element in the design. When design engineers specify a motor    they must consider factors such as motor power, size and weight, and control electronics. Let’s look at the two most considered motor options - stepper motors and DC motors to help determine the fit for your application. [Read More](https://blog.portescap.com/motor-selection-for-electronic-pipettes) Topics: [miniature motors](https://blog.portescap.com/topic/miniature-motors), [Stepper Motors](https://blog.portescap.com/topic/stepper-motors), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors), [Portescap](https://blog.portescap.com/topic/portescap), [brushless DC motor](https://blog.portescap.com/topic/brushless-dc-motor), [pipettes](https://blog.portescap.com/topic/pipettes), [laboratories](https://blog.portescap.com/topic/laboratories), [accuracy](https://blog.portescap.com/topic/accuracy), [precision](https://blog.portescap.com/topic/precision), [automated systems](https://blog.portescap.com/topic/automated-systems) ## [Selecting the Optimum Flat Motor Technologies For Your Application](https://blog.portescap.com/selecting-the-optimum-flat-motor-technologies-for-your-application) Posted by [Sunil Kumar](https://blog.portescap.com/author/sunil-kumar)   Jul 15, 2021 # **Selecting the Optimum Flat Motor Technologies For Your Application** Many applications today have critical space constraints and require flat motor solutions. However it is not always obvious what technology would work best in this type of situation while still being able to meet performance requirements. Typically, the speed-torque criteria can help provide a guide on what technology may be optimal for the given application. Let’s explore the various technologies available for flat motors depending on design requirements. [Read More](https://blog.portescap.com/selecting-the-optimum-flat-motor-technologies-for-your-application) Topics: [miniature motors](https://blog.portescap.com/topic/miniature-motors), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors), [BLDC Motors](https://blog.portescap.com/topic/bldc-motors) ## [Motor Selection Tips: Understanding Thermal Parameters of DC Motors](https://blog.portescap.com/understanding-thermal-parameters-of-dc-coreless-motors) Posted by [Manoj Pujari](https://blog.portescap.com/author/manoj-pujari-1)   Jul 08, 2021 Motor Selection Tips: Understanding Thermal Parameters of DC Coreless Motors *With the help of simple thermal modeling* When trying to understand the phenomenon of heating of coreless dc motors, its helpful to express it as a simple thermal model and to draw an analogy with an electrical system. Looking at Fig. 1, you can see the power dissipated (heat) is the difference between electrical input power and the mechanical power (speed & torque) generated by motor shaft. With this basic understanding , let’s next examine the thermal model of a [DC coreless motor](https://www.portescap.com/en/products/brush-dc-motors/brushed-dc-motor-basics). [Read More](https://blog.portescap.com/understanding-thermal-parameters-of-dc-coreless-motors) Topics: [Motor Application Tips](https://blog.portescap.com/topic/motor-application-tips), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors) ## [Differential Compact Drives](https://blog.portescap.com/differential-compact-drives) Posted by [Vivek Salve](https://blog.portescap.com/author/vivek-salve)   Jun 10, 2021 # Motor Innovations: Differential Compact Drives **What is the need for new gearing technologies?** Miniature motion technology demands flexibility as well as compactness with higher power and efficiency. Conventional gear technologies have some limitations which restricts the development of new concepts. One such new concept is a “Differential Compact Drive” which differentiates with other concepts in such that it provides high reduction, high efficiency, lower noise, and a compact length gearbox. Before reviewing the advantages of this new concept lets first review the limitations of Conventional Planetary systems. [Read More](https://blog.portescap.com/differential-compact-drives) Topics: [miniature motors](https://blog.portescap.com/topic/miniature-motors), [Custom motors](https://blog.portescap.com/topic/custom-motors), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors) ## [Brush DC and Stepper Technologies for Security and Locking Devices](https://blog.portescap.com/brush-dc-and-stepper-technologies-for-security-and-locking-devices) Posted by [Jeet Shah](https://blog.portescap.com/author/jeet-shah)   Dec 18, 2020 # **Brush DC and Stepper Technologies for Security and Locking Devices** [Security systems](https://www.portescap.com/en/industries-supported/automation-robotics/energy-efficient-motors-for-electronic-access-system) are an important part of any commercial buildings whether it’s an office or a warehouse. Biometrics is one of the most deployed systems in a wide variety of industries, from government institutions to industrial buildings. A motor plays a vital part in the design of security locks. Portescap offers the best viable solution for these applications with its various technologies. [Read More](https://blog.portescap.com/brush-dc-and-stepper-technologies-for-security-and-locking-devices) Topics: [Security & Surveillance](https://blog.portescap.com/topic/security-surveillance), [Stepper Motors](https://blog.portescap.com/topic/stepper-motors), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors) ## [Driving DC Brushed Motors](https://blog.portescap.com/driving-dc-brushed-motors) Posted by [Chris Schaefer](https://blog.portescap.com/author/chris-schaefer)   Sep 04, 2020 # **Driving DC Brushed Motors** To control a DC motor, a variable, and controlled power supply is needed. There are three types of methods that can be used:          [Read More](https://blog.portescap.com/driving-dc-brushed-motors) Topics: [Motor Application Tips](https://blog.portescap.com/topic/motor-application-tips), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors) ## [Why An Encoder?](https://blog.portescap.com/why-an-encoder) Posted by [Chris Schaefer](https://blog.portescap.com/author/chris-schaefer)   Jun 16, 2020 Encoders provide feedback for accurate control of speed and positioning. The rotor angular position is given through two square waves 90 degrees shifted and an optional index pulse occurring once a revolution. There are multiple technologies to get these results. [Read More](https://blog.portescap.com/why-an-encoder) Topics: [Motor Application Tips](https://blog.portescap.com/topic/motor-application-tips), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors), [Encoders](https://blog.portescap.com/topic/encoders) ## [Understanding Speed-Torque Characteristics of Miniature DC Motors (Part 3 of 3)](https://blog.portescap.com/understanding-speed-torque-characteristics-of-miniature-dc-motors-part-3-of-3) Posted by [Sandeep Gandre](https://blog.portescap.com/author/sandeep-gandre)   May 30, 2016 Read: [Part I](https://blog.portescap.com/understanding-speed-torque-characteristics-of-miniature-dc-motors-part-1-of-3)  |  [Part II](https://blog.portescap.com/understanding-speed-torque-characteristics-of-miniature-dc-motors-part-2-of-3) \[continued...\] The thermal data given in our catalogue may be indicative, and it should always be confirmed whether the heat dissipation in a given application is actually better and stable. As per the speed-torque curve in Portescap’s catalogue, there is a temporary working range in which we can overload the motor for a small time span. However we should always confirm what that time span should be, and it all really depends on motor size and design. There is a definite time span for every motor size, and this limitation comes from the coil temperature and more precisely, how fast the motor coil or winding heats up. [Read More](https://blog.portescap.com/understanding-speed-torque-characteristics-of-miniature-dc-motors-part-3-of-3) Topics: [Motor Application Tips](https://blog.portescap.com/topic/motor-application-tips), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors) ## [Understanding Speed-Torque Characteristics of Miniature DC Motors (Part 1 of 3)](https://blog.portescap.com/understanding-speed-torque-characteristics-of-miniature-dc-motors-part-1-of-3) Posted by [Sandeep Gandre](https://blog.portescap.com/author/sandeep-gandre)   May 17, 2016 Read: [Part II](https://blog.portescap.com/understanding-speed-torque-characteristics-of-miniature-dc-motors-part-2-of-3)  |  [Part III](https://blog.portescap.com/understanding-speed-torque-characteristics-of-miniature-dc-motors-part-3-of-3)   Portescap offers [miniature motor](http://www.portescap.com/products) technologies to solve the motion needs of end markets. Our typical markets can range from motors for [medical devices](http://www.portescap.com/industries-supported/micromotors-for-medical-applications) to various [industrial applications](http://www.portescap.com/industries-supported/motors-for-industrial-automation-applications). We serve our customers through innovative product technologies encompassing [brushless miniature DC motors](http://www.portescap.com/products), brush DC & can stack motors, disc magnet motors and stepper linear actuators, to optimize their application performance. [Read More](https://blog.portescap.com/understanding-speed-torque-characteristics-of-miniature-dc-motors-part-1-of-3) Topics: [Medical & Diagnostics](https://blog.portescap.com/topic/medical-diagnostics), [Automation](https://blog.portescap.com/topic/automation), [Motor Application Tips](https://blog.portescap.com/topic/motor-application-tips), [Brush DC Motors](https://blog.portescap.com/topic/brush-dc-motors) [All posts](https://blog.portescap.com/all) ### Subscribe to Email Updates ### Recent Posts ### Posts by Topic - [Motor Application Tips (28)](https://blog.portescap.com/topic/motor-application-tips) - [Others (27)](https://blog.portescap.com/topic/others) - [BLDC Motors (20)](https://blog.portescap.com/topic/bldc-motors) - [Medical & Diagnostics (20)](https://blog.portescap.com/topic/medical-diagnostics) - [Stepper Motors (15)](https://blog.portescap.com/topic/stepper-motors) - [Portescap (11)](https://blog.portescap.com/topic/portescap) - [Automation (10)](https://blog.portescap.com/topic/automation) - 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