---
title: Portescap in Motion blog | Instrumentation
description: Instrumentation | Portescap offers best-in-class solutions to meet the motion needs of medical and industrial applications. Find tips and updates on our blog here.
---

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# Portescap in Motion

## [Miniature Motors for Valve Actuation](https://blog.portescap.com/miniature-motors-for-valve-actuation)

 Posted by [Anant Bhalerao](https://blog.portescap.com/author/anant-bhalerao)   Jan 27, 2016

An expansion valve is a flow-restricting device present in a refrigeration system that causes a pressure drop of the working fluid. The valve needle remains open during steady-state of operation. The size of the opening or the position of the needle is related to pressure and temperature of the evaporator. When set and controlled properly, an expansion valve will keep the evaporator active throughout its operation. There are two types of electric expansion valve technologies popular in the market place - pulse width modulated valves, and stepper motor driven valves.

[Read More](https://blog.portescap.com/miniature-motors-for-valve-actuation)

 Topics: [Aerospace & Defense](https://blog.portescap.com/topic/aerospace-defense), [Instrumentation](https://blog.portescap.com/topic/instrumentation), [Stepper Motors](https://blog.portescap.com/topic/stepper-motors)

## [Miniature Motors for Medical Devices and Dispensing Systems](https://blog.portescap.com/miniature-motors-for-medical-devices-and-dispensing-systems)

 Posted by [Portescap](https://blog.portescap.com/author/portescap)   Jan 11, 2016

 

Health care safety is now a top priority and concern among health care practitioners and consumers. In today’s medical devices marketplace, the demand for reliable and safe medical devices and equipment comes not only from the clinical end user, but also from informed patient consumers.

For those involved in the development and manufacture of medical devices and equipment, the demand for safety and quality brings with it new and exciting challenges. How does one build equipment and devices that meet the hundreds of stringent needs of the clinical end user and health care consumer? How does one decide with whom to partner in this far-reaching world of device and equipment manufacturing?

Care givers constantly need products that assist them in achieving the best possible clinical outcomes for their patients. Where do we get motion control solutions, i.e. [motors for medical OEMs](http://www.portescap.com/industries-supported/micromotors-for-medical-applications) capable of navigating the demands of the health care industry?

[Read More](https://blog.portescap.com/miniature-motors-for-medical-devices-and-dispensing-systems)

 Topics: [Medical & Diagnostics](https://blog.portescap.com/topic/medical-diagnostics), [Instrumentation](https://blog.portescap.com/topic/instrumentation), [Automation](https://blog.portescap.com/topic/automation)

## [Portescap Introduces New P532 Motor Series for Best-in-class Power Rate and Acceleration](https://blog.portescap.com/portescap-introduces-new-p532-motor-series-for-best-in-class-power-rate-and-acceleration)

 Posted by [Dave Beckstoffer](https://blog.portescap.com/author/dave-beckstoffer)   Dec 21, 2015

Portescap has recently introduced the ***[P532 Series Disc Magnet Step Motor](http://www.portescap.com/products/disc-magnet-motors/p532-en-disc-magnet-high-speed-step-motor)*** with encoder to deliver best-in-class motor acceleration and power rate and thus outperform the standard [Brushless DC motor](http://www.portescap.com/products/brushless-dc-motor) in a wide range of applications.

Stepper motors typically run at 2,000 RPM or less in an open loop, while brushless motors that can run at much higher speeds are typically used in closed loop applications. In the last few years, trend is to use a stepper motor in closed loop with a torque higher than a brushless motor system, because of its higher pole count. What we are typically looking at is the middle range of ***revolutions per minute*** \[RPM\] as a sweet spot for disc magnet motors. The sweet spot opens up in applications in the few thousand RPM range, where a closed loop disc magnet motor system can be more cost-effective than a brushless solution.

[Read More](https://blog.portescap.com/portescap-introduces-new-p532-motor-series-for-best-in-class-power-rate-and-acceleration)

 Topics: [Medical & Diagnostics](https://blog.portescap.com/topic/medical-diagnostics), [Instrumentation](https://blog.portescap.com/topic/instrumentation), [Automation](https://blog.portescap.com/topic/automation), [Stepper Motors](https://blog.portescap.com/topic/stepper-motors)

## [Stepper Linear Actuators Simplified](https://blog.portescap.com/stepper-linear-actuators-simplified)

 Posted by [Portescap](https://blog.portescap.com/author/portescap)   Oct 27, 2015

What is a “linear actuator”? It is actually a simple stepper motor with a built-in leadscrew to directly convert rotary motion in form of discrete steps, into linear motion. Achieving linear motion internal to the motor eliminates the cost of designing a separate transmission mechanism in the system.

[Read More](https://blog.portescap.com/stepper-linear-actuators-simplified)

 Topics: [Security & Surveillance](https://blog.portescap.com/topic/security-surveillance), [Medical & Diagnostics](https://blog.portescap.com/topic/medical-diagnostics), [Instrumentation](https://blog.portescap.com/topic/instrumentation), [Automation](https://blog.portescap.com/topic/automation), [Stepper Motors](https://blog.portescap.com/topic/stepper-motors)

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- [motor lifetime (1)](https://blog.portescap.com/topic/motor-lifetime)
- [motor position (1)](https://blog.portescap.com/topic/motor-position)
- [motor reliability analysis (1)](https://blog.portescap.com/topic/motor-reliability-analysis)
- [motor speed (1)](https://blog.portescap.com/topic/motor-speed)
- [motor technology (1)](https://blog.portescap.com/topic/motor-technology)
- [motor torque (1)](https://blog.portescap.com/topic/motor-torque)
- [motors (1)](https://blog.portescap.com/topic/motors)
- [natural frequency (1)](https://blog.portescap.com/topic/natural-frequency)
- [pipettes (1)](https://blog.portescap.com/topic/pipettes)
- [planetary gearbox (1)](https://blog.portescap.com/topic/planetary-gearbox)
- [planetary technology (1)](https://blog.portescap.com/topic/planetary-technology)
- [position system (1)](https://blog.portescap.com/topic/position-system)
- [positioning applications (1)](https://blog.portescap.com/topic/positioning-applications)
- [power balance (1)](https://blog.portescap.com/topic/power-balance)
- [power conversion (1)](https://blog.portescap.com/topic/power-conversion)
- [power losses (1)](https://blog.portescap.com/topic/power-losses)
- [precision manufacturing (1)](https://blog.portescap.com/topic/precision-manufacturing)
- [prevent resonance (1)](https://blog.portescap.com/topic/prevent-resonance)
- [product development (1)](https://blog.portescap.com/topic/product-development)
- [proof of concept motors (1)](https://blog.portescap.com/topic/proof-of-concept-motors)
- [quick linear acceleration (1)](https://blog.portescap.com/topic/quick-linear-acceleration)
- [radiated noise (1)](https://blog.portescap.com/topic/radiated-noise)
- [rapid prototyping (1)](https://blog.portescap.com/topic/rapid-prototyping)
- [resonance (1)](https://blog.portescap.com/topic/resonance)
- [ripple (1)](https://blog.portescap.com/topic/ripple)
- [rotary actuators (1)](https://blog.portescap.com/topic/rotary-actuators)
- [rotary assemblies (1)](https://blog.portescap.com/topic/rotary-assemblies)
- [rotary motion (1)](https://blog.portescap.com/topic/rotary-motion)
- [side band noise (1)](https://blog.portescap.com/topic/side-band-noise)
- [smartphones and motion solutions (1)](https://blog.portescap.com/topic/smartphones-and-motion-solutions)
- [speed (1)](https://blog.portescap.com/topic/speed)
- [spotless brushless motors (1)](https://blog.portescap.com/topic/spotless-brushless-motors)
- [spur (1)](https://blog.portescap.com/topic/spur)
- [spur compound (1)](https://blog.portescap.com/topic/spur-compound)
- [stall torque (1)](https://blog.portescap.com/topic/stall-torque)
- [steady state operation (1)](https://blog.portescap.com/topic/steady-state-operation)
- [surgical hand tool design (1)](https://blog.portescap.com/topic/surgical-hand-tool-design)
- [surgical hand tools (1)](https://blog.portescap.com/topic/surgical-hand-tools)
- [surgical instruments (1)](https://blog.portescap.com/topic/surgical-instruments)
- [synchronization (1)](https://blog.portescap.com/topic/synchronization)
- [temperature rise (1)](https://blog.portescap.com/topic/temperature-rise)
- [thermal conductivity (1)](https://blog.portescap.com/topic/thermal-conductivity)
- [thermal management (1)](https://blog.portescap.com/topic/thermal-management)
- [thermal resistance (1)](https://blog.portescap.com/topic/thermal-resistance)
- [time-to-failure (1)](https://blog.portescap.com/topic/time-to-failure)
- [torque control (1)](https://blog.portescap.com/topic/torque-control)
- [torque speed curve (1)](https://blog.portescap.com/topic/torque-speed-curve)
- [transient operation (1)](https://blog.portescap.com/topic/transient-operation)
- [velocity control (1)](https://blog.portescap.com/topic/velocity-control)
- [viscous friction (1)](https://blog.portescap.com/topic/viscous-friction)
- [wheeled robots (1)](https://blog.portescap.com/topic/wheeled-robots)

see all

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