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VM20 is a modular, multipurpose measuring and test system for grinding machines easily programmable by the user. Available as independent unit or for rack-mounting, equipped with local hardware or remote operator panel as well as with Windows Software panel, digital I/O logic interfaces, Profibus and RS232. The wide range of grinding wheels balancing devices, with or without embedded acoustic sensors, applicable on single or multiple grinding wheels or long grinding wheels, allow to automatically and rapidly reduce vibrations which generally cause errors and imperfections on worked surfaces. The wide range of AE transducers configuration available, with assembly both on rotating and stationary machine components, can be used to monitor the machine conditions, through FFT analysis, and to determine the grinding wheel position when it contacts the piece to be worked or the tool-dresser. During working, diameter and roundness gauges, as well as the pieces positioning gauges, allow to achieve a constant production quality together with a cycle time improvement, thanks to correct feeding speeds for roughing-out and finishing.
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- Handheld Readouts.
- Made from a Lightweight Aerospace Alloy.
- Available Hermetically sealed for use in wet conditions.
- Tare, Peak and Reset facility.
- Units have a 5 metre cable close coupled to a 4 digit 15mm LCD display.
- All units are calibrated to comply with ISO 7500-1: 2004.
- The accuracy of the cells are better than 1% of applied load.
- The power source is a 9V PP3 battery, can be supplied for
mains power if required (240v).
- 12 Month Guarantee, subject to conditions.
- Complete with carry case.
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- The cell is manufactured in aluminium alloy with HT steel bushes.
- The cell incorporates an eight gauge bridge together with
associated electronics and a 9 volt PP3 non-rechargeable battery.
- Built into the load cell is a large [20mm] 3.5 digit liquid crystal
display mounted on the front of the cell for easy reading from
the operator's position.
- The load cell is self contained and has no external cabling.
- A battery switch is provided on the rear of the cell to prolong
battery life when the cell is out of use.
- All set up and calibration data is retained when switched off.
- The cell is automatically switched off after 15 minutes to
prolong battery life.
- Battery life - typically 50 hours.
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A low cost quartz crystal microbalance system designed for real-time mass and viscosity measurements in processes occurring at or near surfaces, or within thin films. It comes with controller, oscillator electronics, crystal holder, and three quartz crystals. An external frequency counter and precision voltmeter (not included) are needed to complete the QCM measurement setup.
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Features:
» Handling of two LVDT transducers, for continuous and interrupted surfaces gauging.
» Compact size.
» Bench and built-in versions.
» Application customisation by the user through the set-up of:
- Gauging formulas;
- Arms ratio for self-learning;
- Metric or British measurement units.
» Analogue indicator for the continuous measurement
display, with x1 and x10 automatic scale change.
» Digital I/O, SINK or SOURCE type, for the connection to CNC/PLC.
» The operator's panel provided with sensitive waterproof sandwich keyboard allows:
- Setting the three gauging thresholds for the output contact;
- Setting the delay of cycle start input contact and zero quota output contact;
- Setting the zero correction value (offset);
- Selection of the reading of individual transducers for the mechanical manual zeroing;
- Measure electronic, manual and automatic zeroing.
» Memory and LEDs test performed at start-up.
Advantages:
» Accurate.
» Simply to configure and to programme.
» Can be integrated in any architecture both in a new machine or in an already operating machine.
» Comfortable to use.
» Tough and reliable.
» Affordable.
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Features:
Overall dimension: 20x40x76 mm.
Measuring range: up to 12,5 mm
Repeatability: < 0,05 µm.
Connection to the electronics through cables long up to 30 m
Memory chip for process optimization.
Pneumatic recoil.
Quick manual retooling of the fingers.
Wide range of fixed or manually adjustable supports.
Fingers available with breakaway pin.
Advantages:
COMPATIBILITY
Fits all measurement applications related to:
- diameter
- position
on new or operating machines
No limits of installation due to the loss of the signal.
ACCURACY
Within the measuring range:
- sub micron, through automatic calibration on the master for every measure.
- micron, through automatic calibration on one master only for all measures.
PRODUCTIVITY
No manual retooling within the measuring range.
Quick manual retooling for adjustment to a new family of pieces.
Prevention from machine breakdown due to accidental impacts.
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Features:
Resolution: 0.1 µm
Linearity: +/- 1 µm (Diameter)
Linearity: +/- 0.5 µm (Position)
Standard gauge fingers for measure of diameters from 5 mm to 90 mm.
Watertight.
Measure of smooth or interrupted surfaces.
Gauge slides driven by air or oil.
Fine adjustment on slide.
Wearproof fulcrums.
Advantages:
Accurate.
Sturdy, suitable for installation on grinders.
Fits pre-, in-, and post-process applications.
Quick set-up and retooling.
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