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Glass scale gratings are available in a variety of configurations. They are intended for applications where the user provides the scanning unit and the electronics to create a customized measuring or detection system. The quality glass gratings are available as linear scales up to 3400 mm length, as disco shaped scales with diameters up to 400 mm, or in special geometric configurations.
Material
Substrate material selected float glass
Thickness of substrate 1; 1,5; 2,0; 2,5; 3; 4; 5; 6 mm.
Tolerance of glass thickness ±0,1 mm
Length/ width diameter tolerance ±0,1 mm
Planarity 10 µm / 100 mm
Coefficient of thermal exponation 8x10-6/K
Coating vacuum deposited chrome
- Transmission < 1% at 400-900 nm
- Reflection ≤ 60% at 400-900 nm
Pattern:
- sputtered chrome on glass;
- max. line tolerance ±5%;
- graduation accuracy ±1; ±2; ±3 µm (L?1 m); ± 2; ±3 µm (L?3,4 m);
- parallelism graduation to glass edge <0,1 mm per 1m;
- shape of graduation line - rectangular;
- max. possible length of graduation line 15 mm;
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A high performance ACU-RITE SENC 50 is a compact, flexible and versatile precision glass scale designed for applications involving limited or confined mounting spaces. A SENC 50 also withstands elements of contamination found in even the harshest machine shop environment. Every ACU-RITE precision glass scale incorporates ACU-RITE's long-standing tradition of quality, reliability, durability and dependability at an affordable price. The SENC 50 precision glass scale is available in travel lengths from 1" - 20", in resolutions of 0.5µm, 1µm, 5µm and with an accuracy of ±3µm/meter.
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senc 50 precision glass scales
A high performance SENC 50 is a compact, flexible and versatile precision glass scale designed for applications involving limited or confined mounting spaces. A SENC 50 also withstands elements of contamination found in even the harshest machine shop environment.
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Company COMPAUT offers a broad range of rules and meters of quality.
The majority of this whole of visualization can be delivered in 24:00
Among these rules, many models are perfectly compatible, as well mechanically as electrically, with the principal standards of the market.
You can thus come to replace those which you usually use, without same having to change the connectors, the whole for a price without comparison.
In addition, company COMPAUT points out that it carries out in its workshops the repair of the meters and the rules, some is the mark, and this within very short times.
N’ thus do not hesitate to entrust to us your defective products for a free estimate.
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Our magnetostrictive linear sensors sense linear movements without contact and wear free. Linear sensors with multi magnet function can (partially) detect even up to 16 positions simultaneously.
Linear sensor in
stainless steel rod
For installation in hydraulic cylinders and hydraulic presses, tool and transfer machines, injection molding and packaging machines, storage etc.
The TR standard for magnetostrictive linear sensors is the device with pressure resistant stainless steel rod.
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electronic offset and amplitude control leads to high interpolation- accuracy and further reduced sensitivity to contamination
Signal interpolation up to 100x
Signal processing electronics in the connector
Mounting assistance by setup LED in the connector
also available as ultra high vacuum version
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High precision position feedback solutions, including high speed optical linear encoders, precision angle encoders, robust rotary magnetic encoders and a range of laser interferometers.
As well as offering unrivalled performance, Renishaw's non-contact encoder systems have an established reputation for being easy to set-up and install.
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Very compact sensor for industrial applications
Sensor head PMIS3.
Technical Advantages:
Non-contact, no wear
High velocity
Robust shielded metal enclosure
Protection class IP67
Incremental encoder output A/B/Z
Signal processing as usual with encoders
Reference pulse and end position signal
Indicator for velocity/position errors
A POSIMAG measuring system consists of the
sensor head PMIS3 and the magnetic scale PMIB3
with the same magnetic period.
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Linear encoders from NUMERIK JENA set standards with respect to accuracy, resolution and permissible measuring velocity.
DOUBLEFLEX scale tapes with thermally defined behavior ensure exact measurement within a large temperature range.
Linear encoders are categorized as exposed or sealed, depending on the application conditions.
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Renishaw offers a wide range of precision position feedback systems for a diverse range of linear and rotary motion applications.
From our range of robust magnetic encoders for incremental and absolute requirements, through to high speed optical linear encoders and precision optical angle encoders, we can meet your motion system requirements, including ultra-high vacuum (UHV) applications. All systems have an established reputation for ease of set-up and installation, plus minimal cost of ownership.
If you require the ultimate accuracy in linear position feedback then look at our range of interferometer-based laser encoders.
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POSIC introduces the world’s smallest incremental inductive encoder kit ID1101 for linear and rotary applications. It measures only 8.7 x 6.3 mm with a thickness of 0.8 mm and has an A quad B output stage that runs up to a frequency of 200 kHz. The linear/rotary target is a 0.8 mm thick strip/disc that comes in different lengths/diameters.
The linear resolution ranges from 1 um at a speed of 0.5 m/s to 150 um at 50 m/s.
The rotational resolution depends on the disc diameter and is for example 12 bits (1024 A-B pulses per revolution) with a 30 mm diameter disc.
Typical applications are in the motion-control domain with magnetic actuators like brushed and brushless motors, voice coil actuators, linear drives and more. Markets served include industrial, automotive, robotics, medical, instrumentation, laboratory automation, office equipment.
Evaluation kits with linear or rotational targets are available from stock.
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Position encoders
High precision position feedback solutions, including high speed optical linear encoders, precision angle encoders, robust rotary magnetic encoders and a range of laser interferometers.
As well as offering unrivalled performance, Renishaw's non-contact encoder systems have an established reputation for being easy to set-up and install.
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CR80/85 linear transducers, in “ENCODER-PINION-RACK” version, are made of a steel support on which high quality and precision rack bars are installed and a micro incremental "PINION-ENCODER". They are available up to 50 m with resolution from 1 µm to 1 mm.
The RV18 and RV20 linear transducers are "GLASS" versions; they are available for position reading up to 3 m with resolution of 0,5 µm.
"CABLE" linear transducers are suitable for applications that can't be fitted by CR and RV for dimensions, installation or cost grounds, but only when the max resolution required is 0,1 mm. The available lengths are from 0,5 m to 60 m. They can be provided with incremental-, potentiometer-, analogic- and absolute outputs (parallel, SSI, Field Busses).
The magnetic transducers with self-adhesive or pre-assembled “MAGNETIC BAND” are suitable for applications where the dimensions and the cost grounds are predominant factors. The available lengths arrive up to 90 m with 0,005 mm maximum resolution.
“POTENTIOMETRIC” linear transducers, with resistive element made of conductive plastic, are suitable for applications on hydraulic and pneumatic cylinders, plastic moulding-, packaging, textile machines etc. The available lengths are from 0,05 m to 1 m with infinite resolution.
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Position encoders
High precision position feedback solutions, including high speed optical linear encoders, precision angle encoders, robust rotary magnetic encoders and a range of laser interferometers.
As well as offering unrivalled performance, Renishaw's non-contact encoder systems have an established reputation for being easy to set-up and install.
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POSIC offers a highly miniaturized incremental inductive encoder kit IT3401 for linear applications. The sensor-head measures only 11 x 11 mm with a thickness of 0.9 mm and has A quad B and Index output signals. The linear scale is a 0.6 mm thick and 7.5 mm wide PCB-strip that comes in different lengths. The resolution ranges from 0.3 um at a speed of 0.2 m/s to 150 um at 50 m/s.
Typical applications are in the mechatronics and motion-control domains as position feedback device for magnetic actuators like brushed and brushless motors, voice coil actuators, solenoids, linear drives and more. Markets served include industrial, robotics, medical, instrumentation, laboratory automation, office equipment.
Evaluation kits containing 2 cabled sensors, a linear scale of 200 mm length and an interface board are available from stock.
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The LM10 features a compact sealed readhead that rides at up to 1.5 mm from the self-adhesive magnetic strip scale, with up to 100 m travel.
Simple to install, the LM10 features an integral set-up LED on the readhead, wide installation tolerances and an applicator tool for the adhesive-backed magnetic scale. A bidirectional reference is provided that can be actuated either by a preset mark integrated within the scale or by adding a reference sticker on top of the scale with the help of a self aligning installation tool.
The encoders come in digital or analogue output variants and offer a range of customer selectable resolutions 1 µm, 2 µm, 5 µm, 10 µm, 20 µm and 50 µm. At 1 µm the LM10 offers a maximum velocity of 4 m/s.
Engineered for extreme service, the solid-state LM10 linear encoders operate from -20 °C to +85 °C, have water-proof sealing to IP68, and are highly resistant to shock, vibrations and pressure. The robust magnetic scale is also resistant to a range of chemicals commonly found in industry. The non-contact, frictionless design eliminates wear while reducing hysteresis for high precision at high speeds and acceleration.
LM10 encoders bring reliable solutions to tough, hard-working applications including woodworking, stone-cutting, sawing, metalworking, textiles, packaging, plastics processing, automation and assembly systems, water-jet cutting, and electronic chip/board production.
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Features
- Extremly small dimensions of scanning head for crowded installation conditions
- High resolution and accuracy
- High interpolation accuracy due to electronic signal control
- Signal processing in the 15pin D-sub connector
- Integrated signal interpolation up to 100x in the connector
- Wide mounting tolerances
- Simple mounting of the scale tapes because of double-side adhesive tapes
- Defined thermal behaviour of the DOUBLEFLEXscale tape
- Mechanical decoupled DOUBLEFLEX-scale tape Dynamic
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High precision position feedback solutions, including high speed optical linear encoders, precision angle encoders, robust rotary magnetic encoders and a range of laser interferometers.
As well as offering unrivalled performance, Renishaw's non-contact encoder systems have an established reputation for being easy to set-up and install.
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Exposed linear encoders are designed for use on machines and installations that require especially high accuracy of the measured value.
Typical applications include:
Measuring and production equipment in the semiconductor industry
PCB assembly machines
Ultra-precision machines
High-accuracy machine tools
Measuring machines and comparators, measuring microscopes, and other precision measuring devices
Direct drives
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The POSIMAG length measuring system comprises an MR scanning head and a magnetic dimensional scale. The position is determined without contact and thus without wear or tear. This measuring setup supports resolutions in the µm range.
POSIMAG is suitable for linear, angluar and speed measurements.
Technical advantages:
Sturdy construction, contact-free and wear-free, shielded metal housing, protection category up to IP67, signal processing as standard with encoders, distance between the MR sensor head and the magentic strip up to 2 mm, measuring lengths of up to 30,000 mm.
Thanks to its special properties, POSIMAG is ideal for many industrial applications in the production of machinery, plants and precision equipment as well as research. For example: Metal and wood processing, manual tasks in handling systems, positional checks for linear units, quality-control systems for sheet metal, punches and presses.
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Linear encoders
Sealed linear encoders are protected from dust, chips and splash fluids and are ideal for operation on machine tools.
Exposed linear encoders operate with no mechanical contact between the scanning head and the scale or scale tape. Typical areas of application for these encoders include measuring machines, comparators and other precision devices in linear metrology, as well as production and measuring equipment, for example in the semiconductor industry.
With incremental linear encoders,the current position is determined by starting at a datum and counting measuring steps, or by subdividing and counting signal periods. Incremental encoders from HEIDENHAIN feature reference marks, which must be scanned after switch-on to reestablish the datum. This process is especially simple and fast with distance-coded reference marks.
Absolute linear encoders require no previous traverse to provide the current position value. The encoder transmits the absolute value through the EnDat interface or another serial interface.
Length gauges
Length gauges from HEIDENHAIN feature integral guideways for the plunger. They are used to monitor measuring equipment, in industrial metrology, and also as position encoders.
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Compact model Exposed Linear Encoder
- Small dimensions for space restricted applications
- Large mounting tolerances
- LIK 2x: Insensitive to contamination due to dual optical sensors
- High traversing speed
- Integrated subdividing electronics in the 15-pin D-sub connector
- Up to times 100 interpolation (before quadrature)
- True Reference Mark (accurate and repeatable from both traversing directions)
- Dynamic Amplitude and Offset Control
- SINGLEFLEX or DOUBLEFLEX steel scale tape option
- LIK 41: Glass scale option available
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The linear encoder is used to convert linear displacements of machine key components into electrical signals containing information about the value and direction of the displacement. Common applications include coordinate and precision machine tools, coordinate measuring machines, microscopes and other high precision equipment.
The system consists of an exposed scale and an encoder read head that works on the transmitted light principle. The scanning portion of the head self-aligns with the scale and thus maintains a constant gap between scanning unit and scale. The glass scale has a grating with two line tracks. One track is the periodic graduation with a constant line pitch of 20 µm. The second contains a reference mark, which can be located 40 mm from either end, from both ends, or in the middle of the measurement range. Unique location of reference marks can also be supplied upon request.
Model BE163C
Design: Exposed;
Measuring length, mm: from 120 to 1020
Grating pitch, µm: 20;
Resolution, µm: 0.2; 0.5; 1.0;
Output signals/Power supply: ~11 µApp /+5V;
Accuracy, µm/m: ±1; ± 2; ±3.
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MS 30
Open Linear Encoder
with single-field scanning principle
- easy mounting as a result of large mounting tolerances
- high insensitivity to contamination
- true reference mark (accurate and repeatable from both traversing directions)
- two independent switch signals (optical) for individual functions
- Integrated subdividing electronics up to times 100 interpolation /li>
- max. measuring length 3240 mm
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The sealed linear encoder is used to convert linear displacements of machine key components into electrical signals containing information about the value and direction of the displacement.
The encoder consists of a glass grating scale installed into a rigid hollow housing and a ball-bearing-guided reading head. To be able to work in harsh environments such as lubricants and chips, the encoder has sealing lips. Filtered air can be supplied into the housing of the encoder for extra protection.
Measuring length, mm: from 70 to 24440;
Grating pitch, µm: 20; 40;
Resolution, µm: 0.1; 0.2; 0.5; 1.0; 2.5; 5.0; 10;
Output signals/Power supply: ~11 µApp, ~1 Vpp, TTL/+5V;
Accuracy, µm/m: ±5; ±10; ±3 (on option).
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Absolute Linear Encoders, RF25X Series
Application domain
Absolute encoders are designed for measuring and checking of displacements, dimensions, runouts, surface profiles and deformations of technological objects.
Operating principle
Operation of the sensors is based on the principle of photoelectric scanning of special scale, connected with a measurement tip of the sensor. Radiation of a LED is collimated by a lens and is directed on a scale. The image of area of the scale is examined by CMOS array and is analyzed by signal processor which calculates position of the scale.
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• A superlative measurement accuracy over the full measurement range.
• A choice of stroke length (12, 25, 50 & 100mm/0.5, 1, 2 & 4 inch).
• Spring push, pneumatic, free motion and motor drive actuation.
• Mechanical compatibility with standard gauge probes.
• Robustness and reliability.
• Direct, immediate readout in mm or inches.
• The power of the Orbit Network: allows simple, modular network system construction so you can be up and running in minutes. You can combine Digital Probes, Linear Encoders and other digital modules to suit your individual applications. It also eliminates the bulky and complex cabling of conventional probes.
• The distance capability (probe-to-computer) of up to 1km without degradation in performance (Orbit).
• Network capability (Orbit).
• Compatibility to industrial standards (Sine wave).
• Calibration certificates in mm or inches.
• CE marked as fully compliant to EN50081 and EN50082-2.
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MSA 350
- for retrofit of machine tools
- max. measuring length 3040 mm
- rigid mounting
- distance coded Reference marks (K)
- mounting through holes on the extrusion ends
and with mounting supports
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MSA 170
- smallest Enclosed Linear Encoder worldwide
- slightest required space
- slight overall length by largest measuring length
- guided by ball bearings
- distance coded Reference marks (K)
- max. measuring length 520 mm
- simplest assembly through mounting holes on the extrusion ends
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Non contact magnetic linear encoder mod. МТ with measuring length up to 50 m. The encoder is used to convert linear displacements of machine key components into electrical signals containing information about the value and direction of the displacement.
Model MT
Type: Magnetic;
Measuring length, m: from 1 to 50;
Resolution, µm: 0,5...500;
Output signals/Power supply: TTL/ 5...28 V;
Accuracy: ±30...±70 µm/m (depending on resolution).
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