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Acceler- ometer
PCB Piezotronics Inc., Depew, N.Y.
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A triaxial ICP accelerometer installs between rider and vehicle seat, for
ride comfort studies and human vibration exposure investigations. Model
356B41 contains a precision, low-profile, triaxial ICP accelerometer, which
is mounted to a metal plate and screwed into a molded rubber pad. The sensor
may be removed from the pad for calibration and verification purposes. This
mechanical configuration satisfies the requirements of ISO 10326-1. This
sensor also supports whole body vibration studies, in accordance with ISO
2631 and ISO 8041 standards. Model 356B41 has a sensitivity of 100 mV/g
and a frequency range of 0.5 to 1,000 Hz (±5%), and features a 5-ft.
integral cable and 4-pin terminating connector. The unit operates directly
with readout and analysis equipment, which provide ICP sensor excitation,
or with a separate ICP sensor signal conditioner.
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Protective vents
W.L. Gore & Associates Inc., Elkton, Md. |
Two new protective vents have been
added to the company's product line for acoustic applications. The
GAW324 and GAW325 vents contain a new material designed specifically to
minimize the amount of sound transmission lost through audio port coverings.
Like other Gore protective vents used in acoustic applications, the GAW324
and GAW325 meet dust and immersion requirements of IP67. Portable electronic
devices such as barcode scanners, two-way radios, and MP3 players are often
used in harsh environments, and they must be able to withstand exposure
to inclement weather, dust, dirt, and common household liquids.
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Lead screws
Kerk Motion Products Inc., Hollis, N.H.
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Non-ball lead screws are useful for
designers and end users in a variety of industries in motion control applications.
For vertical applications, these non-ball lead screws can be designed to
self-lock and prevent back driving, without an external brake, unlike traditional
ball screws. Using sliding friction between the nut and the screw to convert
rotary input motion to linear output motion, the non-ball lead screws offer
accuracy comparable to ground ball screws, at a significant savings, according
to the manufacturer. Because the screws don't need to be hardened,
they are more easily machined, contributing to overall low product cost.
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Solenoid valves
Clippard Instrument Laboratory Inc., Cincinnati, Ohio |
The company's new 10 mm and 15
mm direct acting solenoid valves offer design flexibility, especially in
applications with limited space. Available in two-way or three-way configurations
as normally open or normally closed, flow rates from 0.5 to 3.0 scfm are
available depending on orifice size. Other features include a highly visible
LED indicator light and manual override, quick response time, and multiple
mounting and voltage options.
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Materials testing
Dynaflow Inc., Jessup, Md. |
The company has specialized materials
testing capabilities for material erosion due to cavitation and liquid impact,
and for properties of materials undergoing rapid loading. Dynaflow conducts
standard and customized tests for cavitation and liquid impact erosion using
ultrasonic, water jet, and whirling disk devices. Cavitation erosion can
be assessed at ambient pressures up to 2,800 psi. Assessments can also be
made in different liquids and at different controlled temperatures. Using
a split Hopkinson pressure bar, materials properties at high rates of strain
(3,000/s) can be measured.
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Plastic bag filter
Eaton Filtration LLC, Elizabeth, N.J. |
All-plastic Polyline bag filters can
filter various corrosive fluids economically. In many applications, these
filters can provide a cost-effective alternative to filters fabricated from
expensive metal alloys, according to the manufacturer. Because they are
made from plastic, they can also be used in ultrapure filtration applications
where metallic and other types of contamination are a concern. These filters
are manufactured using a unique process that produces a rugged, one-piece,
seamless body with no welded or glued seams or connections to fail and leak.
The manufacturer points out that the seamless body also makes the filter
easy to clean. This filter has been designed so that the two bottom pipe
connections are interchangeable as an outlet or drain, allowing easy installation
into either a loop or in-line piping system without having to modify the
filter. Filter bag change-out is quick and easy, as no tools are needed
to remove the filter cover.
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Micro- pump
Bio-Chem Valve Inc. & Omnifit Ltd., Boonton,
N.J. |
A new generation of the high-accuracy,
low-volume dispensing Model 130 SP micropump offers sturdier components
within a new body design. The pump has an all-Teflon fluid path that is
sandwiched within a Delrin base to offer a firmer, more stable connection
to fittings or to a manifold base. The self-priming micropump is constructed
with perfluorelastomer check valves and a diaphragm to safely contain and
control acidic media, abrasive chemical solutions, and cleaning agents within
the inert flow channel. Flow rates reach up to 6.0 ml/minute. The low-volume
pump offers a high cycle life of up to 20 million dispense cycles and is
suitable for laboratory operations in which a range of aggressive fluids
are used.
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Cryogenic ball valves
Flow-Tek Inc., Houston, Texas |
This company, a subsidiary of Bray
International Inc., has cryogenic ball valves to be used in the production,
transportation, and storage of liquefied gases. These valves have extended
stems and bonnets installed to position the stem packing above the cryogenic
fluid and provide a column of warmer vapor that insulates the stem seal
from the effects of low temperatures. Valves come in sizes of 1/2 in. to
4 in.
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Laser cutting system
Cincinnati Inc., Cincinnati, Ohio |
Designed for greatest laser cutting
productivity and earning life, the CL-850 laser cutting system combines
5,000 watts of power, 10,000 ipm linear motor drive, and a strong platform
with an easy-to learn control, according to the company. The Windows XP
Professional PC-based control allows virtually anyone who is familiar with
a PC to run the CL-850 by following intuitive screen menus, the company
says. The control enables operators with minimal training or experience
to achieve good results. Microsoft's operating system, Windows XP,
complements the reliability and productivity of Cincinnati lasers. The CL-850's
GE Fanuc laser resonator zips through 18 ga. steel at 1,000 ipm and cuts
through up to 11Ú8-in. mild steel plate for great application range.
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Bus cables Northwire Inc., Osceola, Wis.
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Data Cell Field rugged bus cables are
for Profibus PA process automation networks. This cable is appropriate for
environments using networked process automation and control. An arctic-rated
marine shipboard version suitable for use down to -55°C
is also offered. The cables are ISA/ SP50 Type A and are available in 18AWG,
with foil shielding. They are also rated for instrument tray cable/power
limited tray cable exposed-run applications. This lets users eliminate the
conduit when the cable is installed in accordance with recent National Electrical
Code amendments.
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Filtration felt
Superior Felt & Filtration LLC,
Ingleside, Ill. |
Sunburst 1000, a 100 percent polyester
nonwoven product that's useful for many industrial applications,
is now available in thicknesses from 0.5 mm to 4 mm. It comes in three colors:
black, light grey, and smoke, and is solution-dyed and colorfast. It resists
abrasion, fading from sun, mold and mildew, soiling, and stains. The material
resists salt, gas, and oil damage, and is unaffected by high heat and pressure.
It conforms to FMVSS302 and most other automotive specifications. Sunburst
1000 is a useful material for many automotive applications, including molded
parts and anti-squeak pads. It comes in various lengths and widths.
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Adapter fittings
Beswick Engineering Co. Inc., Greenland, N.H. |
To better serve a global marketplace, Beswick has introduced a series of
11 new miniature adapter fittings for connecting metric to imperial threads.
These new adapter fittings include the M3 external universal nipple fitting
(part No. M3UN-303). The new adapter fittings are relatively simple components,
but are critical to OEM design engineers for adapting imperial threaded
components to metric threaded components. Applications include: fuel cells,
medical and dental equipment, instruments, laboratory equipment, semiconductor
manufacturing equipment, aerospace equipment, packaging machinery, and industrial
robots.
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Dosing pump
Larox Flowsys Inc., Linthicum, Md. |
The LPP-D dosing pump line consists
of 1/2-, 3/4-, and 1-in. pumps. The 1/2-in. pump moves up to 2.6 gallons
per minute, the 3/4-in. up to 4.4 gpm, and the 1-in. up to 8.8 gpm. The
pump comes with a hose leak detector and a revolution detector. EPDM hose
material is the standard offering in this pump because of its chemical capabilities.
It is useful for chemical dosing applications in industries such as pulp
and paper, mining, wastewater treatment, and chemicals. The Larox LPP and
LPP-D incorporate a completely different rolling design from any other peristaltic
pump on the market, according to the company. It claims to have the highest
flow per compression of any peristaltic pump, thus enabling smaller pump
selection.
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Alignment kit
Pinpoint Laser Systems, Newburyport, Mass. |
The Microgage 2D factory alignment
kit is for precision measuring and alignment of roll and web lines, CNC
cutting and milling equipment, stamping presses, injection molding machines,
extrusion systems, and other production equipment. Manufacturing equipment
is easily checked and aligned for improved operating efficiency and reduced
downtime with this dual-axis Microgage system. The 90-Line Right Angle takes
the reference laser beam from the Microgage 2D and turns it precisely 90
degrees for squaring machinery and equipment. Common applications include
setting parallel tracks and adjusting machine rails, aligning web rollers,
idlers, and reels, checking gantry travel and position, monitoring and adjusting
machine tools, and many other geometric alignment tasks. The 90-Line Right
Angle is built with a durable housing for holding precision optical elements
that redirect the laser beam. The exiting laser reference beam is square
to the incoming beam within 0.0006 degree, or equivalent to 0.008 in. over
a distance of 80 feet.
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Temper- ature trans- mitter
Moore Industries-International Inc., North Hills,
Calif. |
The LRX low-power temperature transmitter
is designed for oil and gas well-heads and similar installations where line
power is not available. With a low power consumption of only 3 mA, the LRX
mounts in remote or infrequently accessed field locations where solar or
battery power systems are used. The LRX accepts a three-wire 100 ohm platinum
RTD, K-type thermocouple, or direct millivolt input. It converts the input
to a 1-5 V dc signal for direct interface with readout instruments, recorders,
DCSs, PLCs, and computer-based SCADA systems. It will operate accurately
in a range of ambient temperature conditions from -45°C to 82°C
(-50°F to 180°F), and in humidity of up to 95 percent, non-condensing.
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Optical encoder
Renco Encoders Inc., Goleta, Calif. |
The RCML15 is a compact optical encoder
that provides signals for brushless motor commutation as well as incremental
position feedback in a low-profile (0.35-in. high) optical encoder. A custom
LED and CMOS sensor arrangement reduces cost while improving performance
and reliability of the encoder package. Encoder frequency response reaches
500 KHz. The supply voltage is 3.3 V dc. The encoder uses the company's
patented slide/gap mechanism for ease of installation and maximum performance,
and ±20-degree rotation of the encoder to align the commutation signals
with the motor poles. The RCML15 comes in a variety of resolutions up to
4096 and provides commutation for 4-, 6-, 8-, and 10-pole brushless motors.
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Compact controller
MicroMo Electronics Inc., Clearwater, Fla. |
The Series MCBL/ MCDC 3006 C/S compact
motion controller is for use with dc micromotors. The MCBL 3006 is for use
with brushless dc motors. A printed circuit board version of the controller
is available for superordinate systems for OEM applications. This version
is the MCBL 3003 or the MCDC 3003. The compact motion controller can be
operated with an RS-232 or CAN interface. The CAN interface allows for networked
control of up to 127 drives. The configuration of the electronics is based
on a digital signal processor that provides high performance as well as
precise positioning and very low speeds. The motion controller is very efficient,
which permits a continuous output current up to 6 amperes. This controller
can provide precise positioning with a resolution up to 1/3,000 revolution.
The inputs and outputs can be used for different purposes depending on the
application, and can also be configured via the interface.
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Timing belt clamps
Stock Drive Products, New Hyde Park, N.Y. |
The company has a new series of 16 timing belt clamps for long span reciprocating
synchronous drives. These compact, lightweight clamps made from polycarbonate
resin offer a low-cost, off-the-shelf solution when space and inertia are
concerns, according to the manufacturer. The clamps fit a variety of single-
and double-sided timing belts, and come with stainless steel assembly hardware.
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Braking resistors
Milwaukee Resistor Corp., Milwaukee, Wis. |
Dynamic braking resistors are used with
both ac variable frequency drives and dc drive applications. These resistors
are rated between 300 and 6,000 watts. They come mounted in NEMA type 1
enclosures and are prewired for easy installation, both at the OEM's
factory and at an industrial job site. The enclosure is made of aluminum
and includes two end plates and a screened cover.
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