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Electronic indexer
Danaher Motion, Wood Dale, Ill.
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Danaher's electronic indexer solution set can double throughput compared
with mechanical indexers, according to the company. It is said to let OEMs
build a better machine, faster, and enables end users to precisely assemble
small parts with reduced scrap and improved yield. There is no maintenance
over the entire life of the system. In addition, the precisely matched components
assure interoperability and optimized performance and ease of system selection
and ordering. According to the company, mechanical indexers are inflexible
when it comes to motion sequences, as they are limited by a fixed number
of sequence points at a fixed angle. This rotary indexer product set can
be quickly programmed to go in any direction, at any speed, and at any angle.
This aids system integrators that deal with multiple product designs, including
custom machines, as they can use a single indexer solution to satisfy various
requirements. This indexer can rotate clockwise and counterclockwise for
the shortest cycle time.
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Dry lubricant
Kerk Motion Products Inc., Hollis, N.H. |
The company is offering lead screw,
linear rail, spline shaft, and ScrewRail actuator assemblies with its Kerkote
TFE coating. Kerkote reduces friction and extends the life of Kerk's
cost-effective, maintenance-free assemblies, which the company sells for
motion control applications in a variety of industries. The Kerkote TFE
coating is very evenly distributed, decreasing erratic drag torques and
unpredictable wear. It provides a high level of self-lubrication, requiring
no additional external lubrication or maintenance. Because it is a dry lubricant,
Kerkote will not become paste-like, and does not attract dirt or debris.
Kerkote differs from conventional plating and coating, according to the
company, because it is soft, making it suitable for extending the life of
Kerk's polymer nuts and bushings.
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Pressure
trans- ducers
Omega Engineering Inc., Stamford, Conn. |
The company says aerospace silicon technology
in its PX309 Series pressure transducers delivers accuracy at competitive
prices. With a choice of absolute pressures from 5 to 300 psi, gauge pressures
from 1 to 10,000 psi, and three output ranges—0 to 100 mV, 0 to 5
V dc, and 4 to 20 mA—these transducers are compatible with most process-control
equipment, according to the manufacturer. The oil-filled, all-stainless
steel construction provides the durability needed for industrial applications.
Three connection styles are available: 1.5 m (5 ft.) cable, mini DIN (mating
connector included), and military-style twist-lock. Prices start at $225.
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Adjustable levers
J.W. Winco Inc., New Berlin, Wis. |
The company's stainless steel
adjustable levers have stainless steel handles with a sand-blasted satin
finish. Inserts, screws, and springs are also stainless steel. The all-stainless
steel construction makes these levers appropriate for applications in the
food processing and chemical industries. Levers are available in a variety
of customary and metric sizes, in tapped, blind bore and threaded stud types.
Special bores, threads, and stud lengths are available upon request.
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Thermo- couple sensor
Parker Hannifin, Tucson, Ariz. |
A thermocouple assembly design from
the company's Partek division provides a reliable temperature monitoring
sensor for high-purity fluid systems. The sensor assembly is said to overcome
weaknesses with current thermocouple sensors that can potentially reduce
long-term stability, and is said to deliver cost savings to users over its
lifetime. Designated the TS Series, the assembly has been designed as an
alternative to sensors for high-purity flow systems that are fabricated
by bonding the thermocouple wires between fluoropolymer tubing elements,
a form of installation often carried out by end users. From analysis of
failed parts used in this type of installation, Partek found that the bonding
temperature can damage the wires' insulation. Such damage creates
a wicking path for the flow media that leads to eventual failure of the
wiring.
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Clinch studs
PennEngineering, Danboro, Pa. |
PEM Type HFHB Busbar self-clinching
studs can be used in applications that need electrical or mechanical attachment
points in copper. These phosphor bronze externally threaded fasteners offer
twice the conductivity of conventional carbon steel studs, according to
the company. The RoHS-compliant studs can install permanently in copper
sheets as thin as 0.05 in. (1.3 mm) and have been engineered for high-strength
attachment applications. Improved pull-through resistance is enabled by
their large-head design, which allows the stud's head to project
above the sheet material and distribute the axial tightening force over
a wide area. Installation is done by placing the studs in punched or drilled
holes in the copper sheet and squeezing them using any standard press. Thread
sizes for these clinch studs range from 10-32 through 3/8-16 and M5 through
M10.
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Mini hole plugs
Heyco Products Inc., Toms River, N.J. |
Heyco's D-subminiature connector
mounting hole plugs can be used in electrical cabinets, electronic equipment,
appliances, distributed control systems, or anywhere that D-sub connectors
are used. They are nylon pry-out plugs for electronic component and cabinet
or housing protection of DB-style connector-mounting holes (DB-9, DB-15,
DB-25, and DB-37). Typical applications include rack-mount computer equipment,
uninterruptible power supply emergency backup systems, commercial-grade
video and audio equipment, data-communications devices, distributed control,
and remote monitoring devices.
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Transfer switches
Russelectric Inc., Hingham, Mass. |
For 600-volt class applications, Russelectric
single-operator and dual-operator automatic transfer switches are available
in 2-, 3-, or 4-pole configurations for emergency and standby power systems.
With high 3-cycle closing and withstand ratings, these switches are labeled
for use with any circuit breaker with instantaneous trip. UL listed through
4,000 amperes and SCADA-capable, they offer front-accessible wiring and
rapid arc quenching. The Model RMT single-operator switch and the Model
RMTD dual-operator switch are both for open-transition switching. Model
RMTD is for applications that require the switching of large inductive loads,
such as three-phase motors or transformers used in pumping stations, sewage
treatment facilities, elevator systems, or hospital X-ray equipment.
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Linear motion solutions
THK America Inc., Schaumburg, Ill. |
In response to growing application
demands, THK has designed a line of ceramic linear motion solutions. The
use of ceramic rails, blocks, and in most cases, ceramic balls, contributes
to nonmagnetic characteristics and increases the range of applications,
according to the manufacturer. Ceramic components, as well as the use of
titanium stoppers and resin circulation parts, result in a lightweight overall
product and eliminate the possibility of corrosion. Ceramic products are
strong enough for chemical environments and suitable for high-temperature
applications. THK ceramic LM guides and ball splines are suitable for use
in medical equipment and semiconductor manufacturing equipment.
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Nano-alignment system
Physik Instrumente LP, Auburn, Mass. |
The improved F-206.S, 6-axis nano-alignment system provides high-resolution
6D motion, a user programmable pivot point, and powerful alignment software.
Typical applications are nanomanipulation (life sciences), nanotechnology,
MEMS alignment, micromachining, photonics alignment and packaging, optical
device testing, semiconductor handling systems, and microsurgery, among
others. The F-206 has only one common moving platform, with low inertia
and fast response and settling. It has a programmable pivot point with fully
virtualized center of rotation. The six-axis digital controller with alignment
routines and LabView drivers reduces the user's programming efforts.
There are no moving cables, leading to reduced friction.
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Filtration system
Ebbco Inc., New Baltimore, Mich. |
The company's closed loop filtration
system is for use in the waterjet cutting industries. Designed to completely
close the drain, the system reduces water consumption by 90 to 98 percent
of normal use by filtering and reusing the overflow water from the waterjet
machine. The closed loop filtration system is built of stainless steel to
increase its service life. An optional chiller for cutting water temperature
and hydraulic pump cooling built of stainless steel is available in sizes
from 1 ton (12,000 Btu) to 15 tons (180,000 Btu). Use of this filtration
system eliminates the cost of makeup treatments, including water softeners,
reverse osmosis, and DI water systems. This system also maximizes orifice
life, reduces maintenance, and maximizes machine performance, according
to the company.
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More protection
Emerson Network Power, Columbus, Ohio |
A new higher-capacity version of the
Liebert GXT uninterruptible power supply is configurable as a tower or rack-mount
model. The 10 kVA power supply unit delivers online double-conversion protection
for up to 8,000 watts of equipment in a small amount of rack space. The
capacity and flexibility of the new Liebert GXT increase the ability of
IT and network managers to adapt to the requirements of new applications,
according to the company. The GXT automatically detects the input phase
angle and adapts the output voltage to 208/120 or 240/120 V ac without the
need to select any voltage taps. A wider input voltage window minimizes
battery use, allowing the UPS to support the critical load without having
to transfer to battery.
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Magnetic conveyors
Puritan Magnetics, Oxford, Mich. |
Belt-free magnetic conveyors are designed
to convey stamping scrap, knockouts, or chips, and turnings from lathes,
mills, presses, or other metal working machinery. The virtually maintenance-free
design eliminates the associated jamming, tearing, and premature wear with
belt-type conveyors, according to the manufacturer. Internal magnetic assemblies
attached to heavy-duty roller chain travel around the inside of the conveyor
body. The magnetic field projects through the stainless-steel conveying
surface, attracting parts or scrap to its surface. As the magnet assemblies
travel inside, the ferrous objects are conveyed externally along the stainless-steel
slider bed until they are discharged.
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Acceler-ometer
PCB Piezotronics Inc., Depew, N.Y. |
The Series 3713 high-sensitivity, MEMS
dc (steady state) response accelerometer can measure accelerations in a
variety of automotive and off-highway testing applications. The unit is
gas damped, and provides micro g resolution and ±5,000 g pk (49,033
m/s2 pk) shock survivability. Several full-scale acceleration ranges are
available, from 3 to 200 g, with a frequency response from dc to 1,500 Hz
(±10 percent). The sensor has built-in conditioning electronics that
amplify the sensing elements and temperature compensated output. The footprint
for Series 3713 is a 1-inch (28 mm) cube in a welded titanium case design.
The accelerometer is for applications such as brake deceleration compliance
certification; durability testing of vehicle radiators and air coolers;
roll stiffness and static rollover threshold tests, among others.
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Vibration meter
Omega Engineering Inc., Stamford, Conn. |
The HHVB82 vibration meter monitors
machinery to determine maintenance needs. All industrial machinery vibrates,
so monitoring the level of vibration is a useful guide to a machine's
condition. Poor balance, worn bearings, misalignments, and loose fittings
in the structure will increase levels of vibration. The HHVB82 measures
acceleration of up to 200 m/s2 and velocity up to 200 mm/sec. This vibration
meter features auto shutoff function, built-in tilt stand, and reading hold
standard. It stores minimum and maximum readings with pushbutton recall.
A magnetic mount is included. Price is $699.
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Compact modules
Rockwell Automation, Mayfield Hts., Ohio |
Compact I/O modules are designed to
conserve panel space and extend the versatility of integrated architecture
to smaller applications. Rockwell Automation has added three new modules
to its AllenBradley Compact I/O product line. Compatible with the AllenBradley
CompactLogix programmable automation controller, the Compact I/O line features
a patented, rackless design. Integrated architecture helps to improve user
productivity and can reduce the total cost of ownership by providing functionality,
flexibility, and scalability, according to the manufacturer. As part of
the Logix Control Platform, CompactLogix also addresses control and information
needs using sophisticated control, networking, visualization, and information
technologies.
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Boosting joint strength
SPS Technologies, Jenkintown, Pa. |
Preload indicating washers provide
an accurate method of measuring the preload, or clamp force, in a bolted
joint. Using preload indicating washers to achieve maximum preload lets
designers maximize joint strength. Frequently, smaller-diameter fasteners
or fewer fasteners can be used, reducing weight without reducing joint reliability.
These washers are also useful with joints that are inaccessible to torque
wrenches. No special tooling is required in the application of these washers.
Three types of washers are available: standard, under-the-head, and oversize.
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Concen-trated power
MicroMo Electronics Inc., Clearwater, Fla. |
The Series 1224SR dc micromotor has
an external motor diameter of 12 mm and a length of 24 mm, so its power-to-volume
ratio is notable. This is achieved through a combination of the Faulhaber
ironless rotor and neodymium rare earth magnets to achieve a stall torque
of 5.43 mNm and speeds of up to 13,800 rpm. The precious metal commutation
allows operation at low starting voltages due to inherent low contact resistance.
The 1.5 mm diameter motor shaft ensures high rotational stability, and the
housing of the motor is black to facilitate optimum heat dissipation. The
Series 1224SR dc micromotor can be combined with a gearhead and encoder
for a complete miniature dc drive system.
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Shaft collar accessories
Stafford Manufacturing Corp., Wilmington, Mass. |
New accessories are designed to improve
the characteristics of shaft collars by providing a low-friction surface
or cushioned end stop. The accessories include thrust bearings with nylon
ball retainers, offered in steel and stainless steel for corrosive environments,
and Teflon thrust washers, which have a low coefficient of friction and
are non-compressing. Both designs improve the characteristics of shaft collars
in rotary applications, according to the company. To reduce the noise and
excessive wear that can result from metal-on-metal contact in stroke limiting
or lever actuation applications, the end stops are cushioned with neoprene.
All thrust bearings, washers, and stops come in 18 bore sizes, from 1/2
in. to 2 in. I.D., to complement the shaft collars.
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One-piece gear design
Intech Corp., Closter, N.J. |
Cast-in metal core gears use proprietary
gear-life calculations in a one-piece gear design, eliminating traditional
flanged attachments and providing lubrication-free, high-torque transmission
for use in demanding applications. Those applications may include shock,
vibration, heavy loads, corrosive chemicals, extreme temperature or moisture,
and frequent high-speed, start and stop cycles. The non-hygroscopic, self-lubricating
Power-Core gear material is permanently cast onto a knurled metal core for
secure shaft attachment. This assures that the gear exhibits dimensional
stability, accuracy, little or no backlash, quiet performance, and durability.
The one-piece Power-Core gear has a secure metal-hub to metal-shaft connection,
such as a keyway or QD bushing, for high torque transmission.
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Signal conditioner
Macro Sensors, Pennsauken, N.J. |
The company's new single-channel,
low-voltage signal conditioner supports any standard LVDT, RVDT, and VRT
half-bridge sensor. Operating from 12 V or 24 V dc power, the Model LVC-2500
DC-LVDT signal conditioner is designed for use in 24 V systems with programmable
logic controllers and mini-PLCs or in 12 V mobile and vehicular testing
systems. Units offer three analog outputs: bipolar 0 to 10 V dc, unipolar
24 V dc, or 4 to 20 mA (sourcing) in a three-wire common ground system in
which the power ground is connected to the output signal's ground.
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Single-pole connection devices
Leviton Manufacturing Co., Little Neck, N.Y. |
A new line of Rhino-Hide 49 Series
single-pole connection products is engineered to meet exacting requirements
in high-amperage power applications subject to punishing environments and
severe temperatures. This line of connection devices is useful for land-based
and offshore oil drilling rigs. It consists of male and female plugs, connectors,
receptacles, insulators and contacts, and accessory products, such as clevis
pins, receptacle castings, dust cover caps, gaskets, and couplers. Rhino-Hide
products deliver up to 1,000 V ac or dc power and up to 1,135 amps of continuous
power. The products are useful for applications requiring continuous, reliable
high-amperage power.
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Steam pressure regulator
Spence Engineering Co., Walden, N.Y. |
The Type ED pilot-operated steam pressure
regulator is useful for steam distribution systems, district heating systems,
pressure control for steam plants, and single, two-stage, or parallel reduction.
The regulator comes in cast iron or cast steel, in sizes of 3/8 in. to 12
in., for pressures to 600 psig and temperatures to 750°F. It controls
operations accurately within ±1 psig of set pressure. This regulator
requires no external power signal, responds quickly to changes in load,
and has special construction features such as balancing to accommodate high
turndown, liquid, and low differential service.
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Inspection crawler
Envirosight LLC, Randolph, N.J. |
The SuperVision 140 video inspection crawler travels as far as 1,640 ft.
through pipelines 6 in. and larger, rapidly evaluating condition and identifying
maintenance needs. Like other Envirosight crawlers, the new SuperVision
140 provides maneuverability with such features as short wheelbase, steerable
six-wheel drive and an array of traction options. It also has new features
designed to boost operator productivity: a remote-operated camera lift that
adjusts view height to center the camera in a variety of line sizes, a monochrome
rear-viewing camera with infrared illumination to help prevent flips and
cable snags during reverse travel, and PipeBus network control architecture,
which allows concurrent control of multiple functions.
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Vacuum extruders
Corelco, Chicago, Ill. |
Vacuum fuel-line extruders, or corrugators,
are modifiable for increased efficiency and quality. These machines are
specific enough to meet the demands of different fluid-transfer applications
and flexible enough to allow variations in production to satisfy changing
demands of automobile manufacturers, according to the company. The corrugators
can produce pipes with diameters from 0.2 to 2 in. (5 to 50 mm), covering
most fluid transport in automobiles (for air, gasoline, oil, and water)
in single or multiple sections in all kinds of thermoplastics. Corelco's
new corrugators, specially created for producing automobile fuel lines,
allow production variations in three ways: a sequential running mode for
easy speed adjustment, variable length, and vacuum-forming extrusion.
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Seat control valve
Flowserve Corp., Dallas, Texas |
The Worcester CPT series ball valve
is engineered as a control valve and provides reliable operation and precise
valve positioning in the most critical throttling conditions, according
to the company. CPT series valves can be used in systems that control steam
pressure or pH levels, operate in low-temperature cryogenic conditions or
up to 1,000°F (538°C), and meet EPA and OSHA specifications
for containing toxic chemicals. Widely used in the oil and gas industry,
the CPT has been approved by Factory Mutual for fuel gas safety shutoff
service and flow control. These valves have a patented seat technology,
made from self-lubricated, full-contact sintered stainless steel, impregnated
throughout with TFE or graphite. This seating material provides positive
shutoff and eliminates galling when paired with the hard-coated, super-round
ball.
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Linear actuator
Igus Inc., East Providence, R.I. |
The company's first linear actuator
is the DryLin ZLW. It is a lightweight, toothed-belt linear drive equipped
with a hard-anodized aluminum profile, a DryLin W compact linear guide,
and iglide plastic sliding elements. The DryLin ZLW provides the option
of a maintenance-free, self-lubricating, lightweight actuator when designing
a linear drive system. The ZLW is useful for quickly positioning small loads
and can be used in a number of industries from packaging to medical technology
to food and beverage. The linear actuator has two configurations: ZLW 01
for zero maintenance, no external lubrication, and a lightweight, cost-effective
design; and ZLW 02, designed for applications requiring high speeds.
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