The Use of Modulated Frequency Converters to Power Westwind Spindles

High speed spindles can be subjected to an electrical heating effect causing an increase of the shaft rotor temperature when...

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Diaphragms and Spindle Service

On PCB drilling and routing spindles, it is imperative that the recommended maintenance procedure is followed for correct operation.

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Bonded Collet Spindle Maintenance

Mandatory bonded collet maintenance steps to minimize collet failure.

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Instructions for Collet Maintenance

It is imperative that the recommended maintenance procedure is followed for correct operation for collets.

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Air Supply and Spindle Cooling

What air supply and spindle cooling specifications should be used with an air bearing spindle?

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Achieving Optimal Motion System Performance with Low Inductance Motors

Advancements in the design of rotary and linear motors continue to reduce motor winding inductance.

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Servo Terminology

This tech notes describes many of the commonly used servo terms, giving the reader some useful insight when designing a...

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Performance Optimization Using Slotless Motors and PWM Drives

Smooth motion, meaning very low position and current loop error while at speed, is critical to system performance in many...

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Frameless Resolvers versus Ring Encoders

This article discusses frameless resolvers and ring encoders; compares their merits and suggests an alternate approach. It’s particularly relevant for...

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BiSS – a CAD Jockey’s Guide

If you’re trying to understand what BiSS is, but are being confused by a load of technical jargon, this short...

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The CAD Jockey’s Guide to Ring Encoders

The Chief Engineer says “we’ll need a ring encoder for this project” and you respond with “absolutely boss – great...

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‘Shapeability’ for Custom Position Sensor Requirements

What happens when you are making a piece of kit, or even worse have designed, built and launched the machine,...

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A Comparison of Inductive and Capacitive Position Sensors

Some inductive and capacitive position sensors can look quite similar and so it is no surprise that design engineers can...

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Inductively Resonant Position Sensing

Inductively resonant position sensors use the same basic physics as traditional inductive position sensors and so they offer similar advantages...

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SSI – A Masterclass For Engineers Choosing a Position Sensor

This paper describes the Synchronous Serial Interface (SSI) used by many position sensors and controllers. It is aimed at electrical...

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Position Sensors for Safety Applications

This paper describes a general design approach for position sensors in safety related applications, covering self diagnostics, built-in-test and duplex...

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Position & Speed Sensors for High Vibration Environments

Machines that are subject to harsh or prolonged vibration present challenges for many components - none more so than position...

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Angle Conversion Tables

We have compiled a series of look-up tables to help engineers convert between the most common angular units. This is...

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Why do engineers dislike potentiometers?

Potentiometers have been around for a long time and are still, by far, the most commonly used position sensor. So...

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Traditional Versus New Generation Inductive Position Sensors

Inductive position transducers such as resolvers and linear transformers have been the preferred choice for harsh environments and safety-critical applications...

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