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Air
velocity tranducers
Omega Engineering Inc., Stamford, Conn. |
The company's FM-900 air velocity transducers use a velocity and
a temperature sensor to measure air velocity in standard feet per minute.
Both sensors are rugged glass-coated platinum resistance detectors. The
circuit heats the velocity sensor to a constant temperature differential
above ambient temperature and measures the cooling effect of the airflow,
providing high accuracy and good low-velocity sensitivity. FMA-900 models
feature linear analog outputs of 0 to 5 V dc or 4 to 20 mA for flows up
to 10,000 SFPM.
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Heavy-duty slide
Accuride International Inc., Santa Fe Springs, Calif.
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Model 9328 is a heavy-duty slide designed
to offer tool-less installation in a range of maintenance and vehicular
applications. This product features a pocket and bayonet mounting method
that greatly reduces the time required to install slides and drawers into
the body of a vehicle, according to the company. The slide has lock-in and
lock-out action to keep drawers safely open for access or securely closed
for transit. A latch at the front of the slide intuitively actuates the
locking feature. Designed to prevent drawer rollout under vibration or impact,
the front-release mechanism resists disengaging when subjected to side-to-side
racking.
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Integrated
motor
Lin Engineering, Santa Clara, Calif. |
The SilverPak 23DE is an integrated
Nema 23, high-torque, 1.8-degree bipolar step motor, microstepping driver,
and encoder. The unit helps reduce design time and system cost for an array
of step motor applications needing high torque. The SilverPak 23DE is 2.25
in. wide and comes in three body lengths: 2.52, 2.96, and 3.89 in. Depending
on its stack size, the integrated motor/driver is capable of producing up
to 294 oz.-in. of holding torque. The SilverPak 23DE operates from 15 V
dc to 48 V dc and the available phase current ranges from 0.3 amp to 3 amps
peak. This integrated motor/ driver combination has jumper configurable
step resolutions ranging from 2X microstepping to 256X microstepping and
four selectable damping modes.
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Condens- ing boiler
Lochinvar Corp., Lebanon, Tenn. |
An extension of the residential boiler,
the Knight boiler has a fully modulating burner with 5:1 turndown and a
cascading feature that allows multiple boilers to be controlled by one central
boiler. The 5:1 turndown feature enables a Knight boiler to generate as
much or as little heat necessary to provide a consistent indoor temperature.
Since the Knight is able to adjust heat output according to demand, fuel
use is kept to a minimum. It has a 93 percent Department of Energy AFUE
efficiency rating on the 80 to 285s model and a 91 percent DOE thermal efficiency
rating on the 399 and 500 models. Only a modulating burner with advanced
condensing technology can offer that level of efficiency, according to the
company. Since the Knight can reduce its heat output as much as 80 percent,
indoor air temperature doesn't fluctuate between cycles.
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Electric valve operators
CR-TEC Engineering Inc., Madison, Conn. |
High-performance electric operators
are designed for the automation of ball, butterfly, and other types of valves.
They come in sizes from 90 lbs.-in. to 2,700 lbs.-in., and are available
in on/off or modulating versions. Each model includes standard manual override,
visual position indicator, torque limiter, and adjustable position switches.
Standard power input voltage choices are 12 and 254 V dc, as well as 115,
230, and 440 V ac.
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Dispensing lubrication precisely
Oil-Rite Corp., Manitowoc, Wis. |
The PurgeX infrared lubrication system
combines the patented PurgeX positive displacement pump with programmable
logic and infrared sensing. The result is an exact amount of lubrication
dispensed with exceptional accuracy on a moving target, typically a chain.
More conventional methods dispense lubrication through a brush that is fed
by gravity. The rate of flow is subject to a number of variables, including
the type and condition of the applicator, operator adjustment (constant
tweaking), and inconsistent head pressure from the reservoir. To compensate
for the inherent inaccuracies of a gravity-fed system, most operators tend
to apply more lubricant than is necessary, causing avoidable problems. The
PurgeX infrared lubrication system synchronizes fluid dispensing with the
speed and number of links of a chain.
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Control option
Watlow, St. Louis, Mo. |
Watlow has added Tru-Tune, an adaptive
control option, to its PPC-2000 programmable multiloop process control system.
This new option helps fine-tune PID control loops and adaptively tunes dynamic
systems that would otherwise have to be retuned by operators. The Tru-Tune
option improves tuning by automatically optimizing control parameters whenever
necessary to keep the system at the target temperature. When a system is
well tuned, the product is kept closer to the ideal processing temperature.
This improves yield and reduces wasteful scrap and the need for reworking
misprocessed material. Also, when the process variable tracks the set point
more accurately, the process or equipment spends less time warming up and
stabilizing, and is more available and productive, according to the company.
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Airless cylinder
IMI Norgren Inc., Littleton, Colo. |
As a complement to its pneumatic range
of actuators, the multiposition airless cylinder is useful for inclusion
in applications that require high speeds combined with multiple position
operation. Such applications include high-speed insertion equipment in the
packaging and semiconductor manufacturing sector, automatic test and inspection,
printing, and the medical industry. With the capability to move loads up
to 22 lbs., the multiposition airless cylinder operates at very high speeds
and is programmable to deliver high stroke accuracies.
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Thin-finger wire duct
Automation-Direct, Cumming, Ga. |
The company now offers T1E series thin-finger
wire duct for applications requiring compact wiring. Available in white
or gray in sizes ranging from 1 x 1.5 in. to 4 x 4 in., the T1E series is
made of rigid PVC and carries a UL 94V-0 flammability rating. The narrow
thin-finger design is compatible with thinner screwless terminal blocks,
further reducing overall panel space and enclosure cost. The rounded, burr-free
edges will not slice installers' hands or wire insulation, and the
restricted slot design retains wires for fast, easy installation or removal.
The duct is scored with two break lines, one for break-off and removal of
sidewall finger segments only, and another for removal of sidewall finger
and base segments. The patented recess boss allows for rapid mounting of
associated accessories.
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RO linear actuator
Ultra Motion, Mattituck, N.Y. |
The compact RO-Bug is a remotely operated
linear actuator system that integrates a 12 or 24 V dc servo motor with
a 12 or 24 V dc amplifier for remotely operated applications. Each RO-Bug
is tuned and configured for a standard 1 to 2 milliseconds pulse radio controlled
interface. Applications include remotely operated industrial, law enforcement,
and entertainment robots; rudder, aileron, throttle, and camera controls
for unmanned aerial vehicles; throttle, steering, braking, and shift controls
for remotely operated vehicles, and radio controlled "Battlebots."
The RO-Bug integrates Ultra Motion's Bug linear actuator that comes
in three stroke lengths (2, 4, and 8 in.) with a Vantec amplifier.
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High-temp measure- ment
Omega Engineering Inc., Stamford, Conn. |
Super OmegacladXL probes are a useful
choice for high-temperature measurement. They provide very low drift at
high temperatures as compared with conventional Inconel and stainless steel
sheathed probes. They are available in both K and N thermocouple calibrations.
Omega offers probes in a variety of styles. They are available in most thermocouple
probe styles—handle, molded junction, quick disconnect, and heavy-duty.
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Pancake motor
Haydon Switch & Instrument Inc., Waterbury, Conn.
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This customized hollow pancake stepper
motor has a 2.5-in. hole in the center for a microwave tube and is designed
for applications where accurate positioning and high torque are desirable
characteristics. The motor has a 1.8-degree step angle and provides up to
400 oz.-in. of torque. The motor's outside diameter is 5.7 in. and
it is 1.25 in. thick. The standard configuration includes ball bearings.
Coils are available in bipolar or unipolar configurations and in a range
of voltages. Applications include military, heavy-duty automation, and any
other application requiring precise rotary movement.
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Nitrogen generation system
Parker Hannifin Corp., Haverhill, Mass. |
Costly, inconvenient cylinders, Dewars, and bulk nitrogen supplies can be
eliminated with a Balston nitrogen generation system, according to the company.
The Balston DEB Series monobed and dualbed nitrogen generators produce up
to 99.99 percent pure compressed air at dewpoints to -70°F (-21°C)
from nearly any compressed air supply. The generators are designed to continually
transform standard compressed air into nitrogen at safe, regulated pressures
without operator attention. Nitrogen is produced through a combination of
filtration and pressure swing absorption technologies. High-efficiency filtration
pretreats the compressed air to remove all contaminants down to 0.1 micron.
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Flow control valves
Clippard Instrument Laboratory Inc., Cincinnati,
Ohio |
Combination needle and check valve
flow controls are typically used to control airflow from air cylinders.
This controls the speed at which the piston strokes, either while extending
or retracting, depending on their location in the circuit. J-Series flow
control valves allow free flow from the inlet to the outlet past the needle
and check valve. In reverse flow, from the outlet to the inlet, the check
valve is sealed and the flow must now pass through the metered passage controlled
by the tapered adjustment needle.
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Micro- ohmmeter
AEMC Instruments, Foxborough, Mass. |
The 10A micro-ohmmeter Model 6250 is
a rugged, low-resistance tester designed for plant maintenance and field
use. Using a four-lead Kelvin method of testing, the 6250 has accuracy with
results within 0.05 percent. Resistance measurements are automatically calculated,
taking into account the measurement value, ambient temperature, metal type,
and metal temperature coefficient. Metal temperature can be manually entered
by the operator or measured directly by the 6250 with an optional RTD temperature
probe. The micro-ohmmeter is designed to conduct tests on both resistive
and inductive material, with operator selection directly from the front
panel.
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Two-sided timing belts
Stock Drive Products, New Hyde Park, N.Y. |
Designing compact serpentine drives
is now easier, according to SDP, with its selection of double-sided 0.080
pitch timing belts. These rugged, Kevlar-reinforced, endless belts, the
A6B16-D Series, offer positive, nonslip, accurate power transmission without
vibration, chatter, or backlash. Applications include machine tools, mowers,
business machines, copiers, and printers, where these timing belts do more
than just transmit power. Their double-sided tooth action and flexibility
encourages versatility in drive design because they can wind between pulleys
to synchronize shaft rotations, including counterrotating shafts.
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Timing belt actuator
Amacoil Inc., Aston, Pa. |
The company has modified one of its
five Uhing AZ timing belt drives to better resist buildup of dust, metal
filings, and other airborne particles. The load carriage in the AZ-2000
timing belt drive now features plastic slide bearings instead of the metal
rollers standard on other Uhing timing belt drives. The plastic bearings
are less prone to accumulate dust and debris than metal parts. Developed
specifically for use in the paperboard manufacturing industry, the AZ-2000
belt drive is also useful for other applications subject to airborne contaminants,
including grinding, sanding, cutting, and polishing, Less accumulation of
contaminants permits longer periods of production without having to stop
machinery to clean guides and rollers.
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Three-way ball valves
Hayward Flow Control Systems, Clemmons, N.C. |
Plastic, corrosion-resistant lateral
three-way ball valves simplify piping system layouts by replacing conventional
valve and tee connection combinations. This new valve can also be used to
replace zero dead-leg valves in piping systems. Lateral three-way valves
feature a specially designed ball that lets the flow be diverted from the
center port to the left or right ports without a shutoff position. The valve's
heavy-duty design will stand up to demanding industrial and commercial applications,
according to the company. The three-way valves have a one-piece molded body,
with no fabricated, glued connections to fail or leak.
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Equipment mover
DJ Products Inc., Plymouth, Minn. |
The TrailerCaddy is designed for moving
equipment and products that are supported by their own wheels and generally
have a tongue that needs to be raised from the ground. It eliminates the
pains and strains associated with manually pushing heavy carts and wheeled
equipment. The compact, ergonomic design allows the TrailerCaddy to maneuver
in tight areas, such as hallways and aisles, as well as in open spaces.
Its 36-volt motor can be upgraded to maneuver loads up to 50,000 lbs.
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Electronic pressure switch
Ifm efector Inc., Exton, Pa. |
The PK Series pressure switch offers
high performance and simple setup in a compact 72 mm long housing. It is
designed for use in hydraulic and pneumatic applications, and has no moving
part that can wear or break over time. The switch features a 316 stainless
steel process connection. Its welded, gas-tight measuring cell detects gas
and liquid pressure up to 5,800 psi (400 bar) and is capable of more than
50 million switching cycles without drift, according to the company. The
switch's compact design offers space-saving mounting. Two mechanical
setup dials rotate to quickly establish the setpoint and resetpoint, which
can be adjusted without system pressure and supply voltage.
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Strong air nozzle
Exair Corp., Cincinnati, Ohio |
The 1/2 NPT Super Air Nozzle delivers
3.3 lbs. of strong blowing force when mounted 12 in. away from the target.
The force is more than four times that of ordinary air nozzles, making it
useful for blowing heavy materials or for applications where the air nozzle
can't be mounted close to the surface that is to be treated. The
aerodynamic design of the nozzle directs the air to a single point of convergence,
delivering a concentrated stream of high-velocity airflow with hard-hitting
force measured in pounds, not ounces. The compressed air is ejected through
a series of holes located in recessed grooves on the nozzle surface. This
assures safe operation since the airflow that exits the nozzle can't
be blocked. The nozzle is made of a zinc aluminum alloy.
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Two-sided timing belts
Stock Drive Products, New Hyde Park, N.Y. |
Designing compact serpentine drives is now easier, according to SDP, with
its selection of double-sided 0.080 pitch timing belts. These rugged, Kevlar-reinforced,
endless belts, the A6B16-D Series, offer positive, nonslip, accurate power
transmission without vibration, chatter, or backlash. Applications include
machine tools, mowers, business machines, copiers, and printers, where these
timing belts do more than just transmit power. Their double-sided tooth
action and flexibility encourages versatility in drive design because they
can wind between pulleys to synchronize shaft rotations, including counterrotating
shafts.
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Handling flow
Meriam Process Technologies, Cleveland, Ohio |
The Complete Flow Solution is a system
used for the precise measurement of liquid, gas, and steam flows. It provides
more accuracy, convenience, and flexibility than traditional orifice plates
and vortex meters, at an overall lower cost, according to the company. The
Complete Flow Solution consists of an Accutube averaging pitot tube, a three-valve
manifold, and a multivariable transmitter. The system produces a mass flow
rate that is fully compensated for static pressure and temperature, eliminating
the need for DSC calculation. When Accutube technology is used, the number
of components and leak points are reduced and installation costs are reduced
by up to 40 percent when compared with orifice plates and vortex shedding
transmitters, according to the manufacturer.
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Vibration transmitter
Columbia Research Laboratories Inc., Woodlyn, Pa.
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The Columbia Series 8072 solid-state,
loop-powered vibration sensor is designed for industrial machinery monitoring.
The sensor is designed to continuously measure vibration and transmit the
data directly into a PLC, providing level monitoring and alarm and machinery
shutdown capabilities. The sensor provides an isolated 4 to 20 mA output
that is proportional to vibration. The vibration output is expressed in
acceleration. Measurements can be made over a frequency range of 2 to 2,000
Hz over an operating temperature of -20° to 85°C. The
sensor is case isolated and the output is accessible via a standard four-pin
connector. The Model 8072 is mounted with a removable 1/4-28 mounting stud.
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Helping operators
keep pace
BDL America, Wilmington, N.C. |
Motorized pulleys with integrated shaft
encoders allow conveyor system operators to accurately synchronize product
movements. The encoders use either SKF or SNR pulse outputs to precisely
monitor motorized pulley movement to control conveyor belt speed, position,
torque, and rotational direction. According to the company, the motorized
pulleys have been successfully used in applications requiring properly timed
conveyor movement, such as positioning, dispensing, adjusting, cutting,
tape winding, pick-and-place operations, and maintaining constant speed,
among others. The encoders are hermetically sealed within a stainless steel
housing, eliminating the possibility of external influences and providing
a reliable control system.
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Thrust collar assembly
Stafford Manufacturing Corp., North Reading, Mass.
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A new thrust collar assembly can be
used to provide bidirectional axial adjustability and move heavy components
along a shaft at a crawl. The assembly consists of a male-female connecting
hub that can be located along a shaft, allowing one side to be fixed and
the other side to be adjusted by using the knurled outside diameter or a
wrench flat. Providing 3/8 in. axial adjustability, it can be used for applications
ranging from preloaded bearings to crawling heavy components along a shaft.
The thrust collar assembly comes in eight standard sizes, from 3/8 in. to
1 1/2 in. inside diameter. It is suitable for tensioning springs, adjusting
platform heights, and freeing stuck components.
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Abrasion resistance
Wellington Alloys, Franklin, Mich. |
Wellbraze and Well-Clad are the names
of alloy steel products developed to resist abrasion and impact in tough
wear applications, such as asphalt or concrete plants, coal mines, sand/gravel/rock
crushing plants, power utilities, pulp mills, railroads, steel mills, foundries,
and refractories. Wellbraze is a solid sheet with high manganese and nickel
content. The longer it's in service, the tougher it gets. Wellbraze
can be welded with all low hydrogen production welding processes and can
be drilled with ordinary high-speed drills. Well-Clad is a chromium-carbide
overlay applied to a very ductile, easy-to-weld, easy-to-form low carbon
steel substrate. The mild steel plate absorbs impact resulting from heavy
service. The composite material can be rolled or press-brake formed without
fear of separation.
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Raised- gantry router
Techno Inc., New Hyde Park, N.Y. |
The company's new CNC router
is designed for foam packaging and foam cutting applications. This machine
is available in three sizes: 59 x 50 in., 59 x 96 in., and 59 x 120 in.
The foam router comes standard with 19 in. gantry clearance and a z axis
stroke of 24 in., assuring maximum tool reach and clearance. Minimal floor
space is required because the machine design includes a moving gantry, which
saves shop space. These new machines can be equipped with an automatic tool
changer, vacuum table for increased part hold-down, reverse engineering
probes or scanners, and a fourth-axis rotary table.
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Reverse osmosis controller
FCI Watermakers, Santa Ana, Calif. |
The company has upgraded its universal
reverse osmosis controller with several features. For various applications
and installations, the controller is included on the Neptune, MaxQ and Poseidon
watermakers. FCI has improved upon previous remote access capabilities by
adding an RS-485 connection for remotes up to 4,000 feet away, making it
suitable for land-based systems. Increasing user convenience, an updated
PC board layout for simpler installation is available as a standard feature.
The UROC, as the company calls the controller, can be programmed to schedule
unattended fresh water flushes. It automatically stage-starts the pumps
for load considerations, primes itself, and begins to filter water. Boaters
can set runtime limits and the number of gallons produced.
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Strip recorders
Omega Engineering Inc., Stamford, Conn. |
The RD-87 series consists of six strip
chart recorders for monitoring thermocouple readings, temperature, temperature/humidity,
voltage, current, or 4 to 20 mA input. All have an LCD display and record
on a 100 mm (4 in.) wide strip chart using a single pen, except for the
two-pen temperature/humidity model. The full-function alarm can be set to
sound when measurements exceed set limits. To prevent nuisance alarms caused
by brief variations, alarm activation can be delayed by a specified amount
of time.
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System combination
Transducer Techniques, Temecula, Calif. |
This economically priced system combination
is made up of the TRT (low-capacity, general purpose reaction torque sensor)
and the PHM-100 portable handheld transducer indicator. This system is suitable
for a variety of industrial and OEM torque measurement applications. The
PHM-1000 has a peak hold feature that captures at less than one millisecond
and operates on a 9 V battery for 60 hours. The TRT is offered in ranges
from 25 in.-lbs. to 500 in.-lbs. Accuracies are consistent with highly accurate
strain gauge-based load cells.
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Torque control
ASG, Cleveland, Ohio |
The Smart Torq II controller provides
economical error-proof fastener assembly by controlling and monitoring dc
brushless electric screwdrivers from ASG. The Smart Torq II is easy to set
up and use, according to the company. First, it learns the driver's
current versus time characteristics for a representative fastener by monitoring
its installation in the assembly. Once learned, the unit's processor
monitors current and time to verify that all subsequent fasteners are properly
installed. Additionally, it counts and verifies that the specified number
of fasteners are in place. The Smart Torque II device provides this capability
without the use of expensive torque transducers and angle encoders. The
device detects crossed or stripped threads, recognizes missing elements
like washers and can verify the number of fasteners used.
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Heavy-duty grippers
PHD Inc., Fort Wayne, Ind. |
The Series GRR Guardian grippers provide
high grip force and come in long jaw travels of 150, 200, 250, and 350 mm.
The rugged design and jaw construction can withstand high impact and shock
loads. These heavy-duty grippers are designed to grip large, heavy parts
and perform with precision in even the most demanding industrial automation
applications. They include small engine block manufacturing, automotive
wheel rim manufacturing, foundry application, clamping and fixturing during
assembly operations, among other uses. Units can be made synchronized, non-synchronized,
or non-synchronized with independently powered jaws to support diverse applications.
Guardian grippers can be specified with an optional jaw position sensor
that continuously monitors the grip position of the jaws.
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Motor controller
AmpFlow Inc., Belmont, Calif. |
The high-performance microcontroller-based motor controller supplies up
to 180 amps per channel at 12 to 40 V. It features multiple command input
modes for use with either radio control receivers or analog devices such
as industrial or gaming joysticks. Controllers and microcontrollers can
also interface via the serial port. Designed for easy installation where
space and weight are factors, the new controller is compact (7 x 5.5. x
1.5 in.) and lightweight (3.4 lbs.). Full forward and reverse operation
of two independent motors and wheels is made possible by the controller's
dual H-bridges. The two channels can be operated independently or mixed
together for tank-style steering.
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Custom prototyping
Innovative Lighting Inc., Roland, Iowa |
The Sintersation 2500 can create a fully
finished, fully functional prototype in five hours. The machine produces
3-D objects directly from CAD files. Using nylon materials, and shaped by
a laser, the prototypes are stronger than those made by stereolithography,
according to the company, and can be used as production parts in small runs.
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