Magnetostrictive Displacement Sensors in the Field

21 clips recorded on site, covering real installations and applications on injection molding machines, presses, storage tanks and test benches.

All footage in this section was recorded on site; no animation is used as a substitute. For sensors on injection molding machines, presses, storage tanks and test benches, the mounting position, the cable routing and the way the position value finally appears on the controller or HMI can be checked directly on screen. Platen stroke on a two-platen machine, ram position on a press and liquid level in a tank share three characteristics: long stroke, high machine vibration and costly downtime. At selection stage the actual mounting arrangement is of more use than a datasheet.

Injection Molding8 clips

Clamp, moving platen, ejector and injection positions on an injection molding machine all depend on stroke feedback. The footage comes from two-platen machines, blow molding machines and mold automation cells, showing where the gauge is mounted, how the cabling is routed and how the position value is presented on the controller and HMI.

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Large Two-Platen Machine — Gauge Mounted Along the Guide Rail

A continuous shot of the clamp area on a large two-platen injection molding machine. The gauge runs along one side of the guide rail, with body, slider and terminal wiring in frame, so the space it occupies, its fixing method and the cable route are all identifiable. Two-platen machines have long strokes and heavy loads, which puts the highest demand on mounting parallelism and vibration resistance.

Two-Platen Machine — Tie-Bar Position and Control Cabinet

The focus here is the control cabinet: the interface unit that brings gauge signals onto EtherCAT, Ethernet and USB, with corresponding channels labelled on the module. The accompanying HMI shows all four tie-bar positions (around 29.80 mm) alongside mold data — the gauges are part of the machine control system, not standalone instruments.

Multiple Digital Gauges — Mounting and Seal Fitting

Mounting of digital gauges on a two-platen machine: how the gauge sits at the clamp cylinder flange, how the seal ring is fitted and tightened, with an on-screen note on seal selection. Whether the seal is done properly decides the long-term stability of a long-stroke measuring point in an oily environment.

Large-Tonnage Clamp Unit — Tie Bars and Moving Platen

Multi-angle footage of the clamp section on a large injection molding machine: tie bars, the moving platen and the clamp mechanism through an open-close cycle. Long-stroke clamp position is a critical measurement point here, with the gauge sitting between the platens under continuous vibration and off-center load.

Mold Close Motion — Profile Gauge Mounting

Fixed-camera footage of the mold closing motion, with a clear view of how the profile gauge is mounted: the aluminum profile body fixed to the frame, the read head traveling with the moving platen, piping taken off through brass fittings. Useful as a mounting reference when sizing a gauge.

Ejector Mechanism — Position Feedback Installation

Footage of the ejector drive area, with the gauge routed alongside the hydraulic lines to measure ejector stroke. Ejector motion is frequent and fast, which puts both response speed and vibration resistance to the test.

Blow Molding Machine — Mold Carriage Movement

Interior motion of a blow molding machine filmed through the viewing window, with the mold carriage visibly moving back and forth. Blow molding demands repeatable mold positions; once position feedback drifts, it shows directly in part consistency.

Mold Automation Unit — Position Measurement Points

A continuous walkthrough of a mold automation unit, covering measurement points on the mold frame, cable carriers and auxiliary equipment. Source footage is early low-resolution material shot on site.

Presses & Heavy Equipment4 clips

Press main cylinders need absolute feedback so that every pressing stroke lands the same. The footage covers the full slider stroke of a vertical press, the sensor mounting position on the cylinder, and the multi-cylinder coordination of a six-axis motion platform.

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Six-Axis Platform Simulator — Multi-Cylinder Feedback

A six-degree-of-freedom motion platform at a trade show, its deck carried by multiple electro-hydraulic servo cylinders. Coordinated motion on a platform like this is impossible without absolute position feedback on every cylinder — a textbook multi-cylinder synchronization application.

Vertical Press Slider Stroke — Shot in Portrait

The full up-and-down slider stroke on a vertical press, shot in portrait. The vertical framing captures the complete travel range, making the main cylinder stroke and the position feedback point easy to read.

Vertical Press — Frame and Main Cylinder

An overview of a vertical press showing the upper beam, main cylinder and frame columns. This class of machine usually needs absolute position feedback on the main cylinder to keep pressing strokes consistent.

Press Hydraulic Cylinder — Sensor Mounting Point

Close-up footage of a press hydraulic cylinder area. The sensor sits in the mounting position on the cylinder body, with sheathed cable routed along the frame. Choosing an in-cylinder or external mounting position directly affects how convenient later maintenance will be.

Level Sensing3 clips

On large storage tanks the difficulty in level measurement is rarely the sensor itself; it lies in uncoiling the flexible gauge, moving it to the tank roof and fixing it at the flange. Three clips record the installation in full.

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Flexible Level Gauge — Uncoiling and Straightening

A flexible level gauge uncoiled from its shipping reel. Flex gauges serve large storage tanks: coiled for transport and uncoiled on site, where the straightening and fixing method determines the measurement zero point.

Flexible Level Gauge — Carrying It to the Tank

Installers carry the coiled flexible level gauge through the tank farm and up the tank side ladder to the roof. On large tanks the difficulty of level measurement concentrates on getting the gauge up and securing it, and the footage records the whole process.

Tank Roof — Level Gauge Flange Installation

Installation detail at the tank roof flange: the gauge probe goes down through the center port and the junction box is fixed on top, with the camera on the sealing face and the tightening technique. Flange sealing and verticality set the foundation for level measurement accuracy.

Principle & Testing5 clips

Two questions recur at selection: what a magnetostrictive gauge actually measures, and how stable the analog output is. The clips demonstrate both, using a transparent cylinder, host software and a test bench.

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Magnetostrictive Principle — Transparent Cylinder Demo

A principle demonstration built around a transparent acrylic cylinder. The yellow magnet is visible moving along the probe while the digital display tracks it, with six readings corresponding to different magnet positions. It shows what a magnetostrictive gauge measures and why the method is non-contact.

CANbus Digital Output — Reading Position Directly

A profile gauge wired to a touch panel that reads out magnet position in mm, updating in real time as the magnet is pushed by hand. This is a digital (bus) gauge: position travels as a digital value on the bus, so the controller needs no further A/D conversion or on-site calibration.

Setup Software — Live Position and Speed Readout

Software bring-up on a bench setup. The host software shows current position, previous position and travel speed together, with values following the magnet in real time — used to check that the gauge and the acquisition side agree.

Analog Output Verification — mV Stability on a 6.5-Digit Meter

Analog output verification on a bench: the gauge is powered from a DC supply with its output wired to a 6.5-digit multimeter, reading mV-level changes as the magnet is pushed by hand. This answers the question engineers ask most — how stable is an analog gauge, and how many digits can you trust? Same verification method as our Lijin 3500-ton troubleshooting record.

Vibration Bench — Resistance Testing

A gauge under test on a vibration bench, elastic elements and fixtures working under continuous vibration. Machine vibration is one of the most common causes of displacement sensor failure on site, and bench testing like this verifies output stability under sustained vibration.

Operation & Maintenance1 clips

Installation, calibration and servicing are filmed as they happen, on the shop floor and on the bench, with no animation used as a substitute; the footage serves as a working reference for maintenance staff.

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19 Series Head Cap Replacement — Full Procedure

A complete service tutorial for the 19 series (IP67) gauge: removing the cap screws, lifting the cap to expose the internal board and terminal block, unplugging and reseating the connectors, then refitting the screws. Filmed continuously without cutting steps, it serves as a working reference for maintenance staff; the internal wiring is visible, which is the direct basis for judging serviceability.

All 21 clips are recorded on site, taken from projects we have delivered. Need the mounting arrangement for a specific machine or measurement point? contact us and we can pull the matching footage for your application.

Where these scenes are explained in writing

Each clip shows how a sensor is mounted and what the reading does. The articles below explain why it is done that way: the measuring principle, the wiring, the fault order to follow.