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Additional to the manual iris diaphragms motorized versions are available. These have the advantage to drive the iris diaphragms remote controlled, for example in inaccessible places or in closed devices. The motorised iris diaphragms are compatible to the System Kit SYS 65, this means that they have an optical height of 32.5 mm. The motorisation is available in two different types, either with 2-phase step motor with preloaded gear or with DC servomotor with encoder and preloaded gear. The iris diaphragms have two reference/limit switches to indicate the end positions (iris diaphragm open or closed).
Totally closing iris diaphragms consit of two lamella sets with 2.8 mm distance.
- for use with SYS 65
- aperture 0 up to 35 mm
- black anodized aluminium alloy
- mountable onto slide
- contact-free and high-precision limit switches (Hall sensors)
- with 2-phase step motors with gear or DC servomotors with encoder and gear |
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Diaphragm Cylinders
This 1-1/4" bore diaphragm cylinder is designed for a clamping application with minimal friction losses. Its short overall height allows the cylinder to fit into a tight space with minimal friction.
Stroke length: .12".
Output force will be approximately 15% less than theoretical when units are not extended full stroke.
Cylinders should not be operated without a part being clamped (extension should be limited by customer to maximize life). |
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STANDARD ROLLING DIAPHRAGM AIR CYLINDERS
These cylinders provide virtually frictionless conversion of pneumatic pressure to linear force.
SMALL BORE DIAPHRAGM AIR CYLINDERS
Same friction free performance as our larger sized air cylinders.
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APEM professional membrane switch panels
- Custom designed front panels
- Sealed, easy to clean
- Tactile feedback by snap dome or embossing
- Many options available: texture varnish, integrated components, prominent shapes, changeable legends, reinforced sealing…
Applications: instrumentation, medical, time management, weighing systems, vending machines, access control…
APEM, the broadest offering in the switch market: miniature switches, industrial switches, LED indicators, professional switch panels and professional joysticks. |
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Bergquist's proprietary HeatSeal® membrane switches are custom engineered for use in environments where reliability is critical. The HeatSeal process thermally bonds switch layers together, providing a seal that is impervious to moisture, temperature extremes and cleaning chemicals. Options include screened silver ink or PC board circuitry, tactile graphics, rim or pillow embossing, deadfront or translucent windows and more.
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We disign and manufacture membrane keypads and front membranes to meet your individual requirements - if necessary, integrated in supporting plates or pre-fitted on our enclosure.
Optimal quality can be achived for every use on the basis of copperlaminated supporting membranes or strip conductors applied using the silk-screen process.
Depending on your needs we can supply you with your own individual membrane keypad with fitted touch screens, displays and other electromechanical components.
Printing is by means of silk-screen or digital methods, according to the number of colours and the requirements in repect of visual design. Our membership of the specialist keypad association ansures that we are always ur-to-date with the latest technology, so we can always meet our customers' needs in the best possible way. The membrane keypad products which we market are components and are not subject to the ElektroG (the law relating to electrical and electronic equipment and applicances) or to the national laws or the WEEE/RoHS. Consequently we are under no obligation to register. |
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Customised membrane keyboards
Extremely low profile (> 1mm)
With or without tactile feedback/snap-action disc
Integral LEDs/displays
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The standard line of polyester keyboards features all the experience and know-how of GRAFOS. The efficiency of this kind of products, meeting the needs of having a complete and ready to use product, is guaranteed under hard demand. They are available in several models - 33 to 104 keys version- and are used above all for applications of Industrial Automation. There are different models for different applications: from frame to panel version, from desktop to drawer version and finally rack version. Membrane keyboards promise a pleasant palpation feeling with tactile feedback, security and precision during the data input, also by the use with gloves; the polyester front plate is resistant against numerous chemical active substances. In the side photo an example of 87 keys frame version of reduced dimensions and, as pointing option, a plastic trackball.
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Customised membrane keyboards
- Extremly flat profile (> 1mm)
- With or without tactile feedback/snap-action disc
- Integral LEDs/displays
Customised low profile keyboards with RAFI short-travel keyswitches RACON 8/12 on RF15/19 in front panel under an overlay
- Good tactile feedback (click)
- Fully illuminated/spot illuminated
- Integration of displays and electronic compoments
- Integration of RAFI KN 19 main switches (250V / 4A) under an overlay
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GGI International offers a complete set of solutions for the backlighting of User Interfaces Assemblies. GGI International has acquired extensive knowledge and experience in this field of activity combining top level backlighting specialists as well as the latest in software and tools available on today's market. Our experience includes complete modeling and simulation light gradient intensity and chromaticity including the dispersion within all assembly layers. This is only one of many reasons why GGI International's customers count on us to develop solutions for their front panel applications. No single light solution is perfect therefore it is critical to involve GGI as early on in the process as possible to ensure we come up with the best possible solution, on schedule and within budget. No option is off limit in our search for the perfect backlighting solution for a specific application.
GGI designs and manufactures backlighting solutions for:
- Membrane switch keypads
- LCD displays
- Displays bezels
- Military NVIS control panels
- Aircraft cockpit and cabin control panels
- Industrial and automotive control panels
Typical lighting options offered by GGI:
- Phosphorescent inks (mainly used for membrane switch keypads)
- Electroluminescent Lamps (GGI designs and manufactures its own long life EL Lamps)
- LEDs (GGI buys direct from the manufacturers)
- Optical Fibre
GGI also explores old and new solutions such as fluorescents, incandescent lamps and OLEDs in order to be able to better support our customers through the life cycle of the applications. |
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The Trio membrane keypad is a single unit which brings together all the elements required for an effective man machine interface in one package. This minimises the time taken to mount and connect to other Trio Motion technology control system products.
The unit consists of an IP65 keypad featuring 37 tactile keys, eight of which can be defined by the user and identified by inserting key legends from the rear of the keypad. Incorporated into the units is a four line by twenty character, vacuum fluorescent display. Connection to the control system is via a fibre-optic cable to the Master Controller. The interfacing is handled by dedicated built-in network interface software. The only other connection necessary is for the power supply. |
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User-friendly, flexible membrane switch keyboards that are long-lasting (>6 million actuations), reliable and cost-effective.
The Clicktouch process produces a thermoformed polyester foil with “elastic” spring zones enabling extended key travel. Circuit layers are printed on polyester substrates with special silver, carbon and insulation links, with additional protection against oxidation provided by over-printing with carbon.
Advantages over conventional membrane and metal dome based keyboards:
•Significantly reduced contact bounce (<2 ms)
•Long key travel (up to 2 mm) providing improved tactile feedback (even when operated by someone wearing gloves, a clear click can be sensed)
•No metal parts, resulting in a longer switch life and greater reliability.
Clicktouch retains essentially the same ergonomic performance as standard mechanical push buttons, but is also:
•Dust-tight
•Water-tight
•Chemically resistant |
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Keyboard No Dome
- no tactile feedback
- lifetime > 5 million switches (DIN 42 115)
- very thin (min thickness 0,6 mm)
- application : systems not very often used
- low budget
Keyboard with Plastic Dome
- a " click-effect" is created by transforming the frontfoil thermally
- lifetime > 5 million switches (DIN 42 115)
- very thin (min thickness 0,7 mm)
- environmental factors (cold - heat - sun - moisture) can influence the feeling of switching
- limited options
Keyboard with Metal Dome
- by installing a metal dome, a real " click-effect" is created
- lifetime > 5 million switches (DIN 42 115)
- very thin (min thickness 0,7 mm)
- the feeling of switching is not affected by environmental factors
- can be used directly on your PCB
- unlimited options possible
- can be used in combination with rubber keypads |
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| GGI International™ is a global leader in the design, engineering, and manufacture of custom user interface assemblies. Some features include: tactile with metal, magnetic, tact or polyester domes, shielding options including ESD/EMI and RFI protection. We also offer a wide range of backlighting options, including NVIS, EL, fiber optic and LED. |
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Keyboards
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ITW Workholding offers a wide range of diaphragm chucks used in finish turning / hard turning and grinding applications. If you need a standard diaphragm chuck or a special designed diaphragm chuck, ITW Workholding can meet your needs. Product offered include:
Woodworth Pitch Line Diaphragm (shown) - This chuck offers quick change jaws for less than 5 minute part changeover. Used where a limited amount of gears are manufactured.
Woodworth Universal Gear Diaphragm - The best chuck for turning or grinding gear inside diameters, over a wide range of parts. Can be designed to meet your needs.
Woodworth shell style diaphragms - Used in grinding and some finish turning applications, the Woodworth shell diaphragm offers long life and high accuracies. Offered in standard and special designs. (See Pride Engineering Video for an example of the Woodworth Dovetail Diaphragm)
Sheffer style flat diaphragm - The sheffer style diaphragm is used in secondary turning applications and is designed and built to suit your process. |
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| For ranges of ultra tightening short, possibility of car tightening. They tighten concentrically with precision on all their periphery of the fragile ranges of centering. Very adapted to the parts low thickness. |
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| ... products without technical information |
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