Bodine Electric Upgrades High Torque CG Gearmotor

CHICAGO, IL — Bodine Electric Company has upgraded and expanded its Type-CG variable speed AC inverter-duty and permanent magnet DC gearmotors. The CG gearmotors are designed for applications such as heavy-duty conveyor systems, medical equipment, food processing and factory automation, where long life and high load capacity are critical.

The CG gearhead is paired with Bodine’s most powerful variable speed electric motors, the 48R6, AC inverter-duty, and 42A7 permanent magnet DC motors. This integral gearmotor design allows the CG to deliver up to 1,000 lb-in. of torque, which is nearly twice the torque of any previous Bodine product.

The CG gearmotor features a solid, aluminum cast gearhousing. It can be face-mounted in virtually any position, or mounted with a rigid base. Extra heavy-duty bearings and seals provide reliable operation and long life. Inside the gearhead three-stage, selectively hardened gearing and high performance lubricant insure quiet operation and high output torque. New DC accessory-ready models can be fitted with encoders, other feedback devices, or brakes.

The AC and DC models are the first of Bodine’s product line to be available through their new Quick Delivery program. This program is designed to ship customer orders in small order quantities within two to three working days. Products will be maintained in stock or assembled to order via a quick-turn production cell. Larger order quantities will require lead-time. Expedited delivery options are also available.

Bodine Electric Company
www.Bodine-Electric.com

Bison Gear Adds 650 Series to Verdant Duty(TM) AC Gearmotors

St. Charles, IL – Following the successful introduction of its 100 in-lb (11.3 N-m) inverter-duty AC gearmotor line, Bison Gear & Engineering Corp. has increased by seven times the output torque capability of its Verdant Duty™ 3-phase AC offering with the introduction of the new 650 Series variable speed gearmotors. Driven by 1/4 or 1/2 hp (186 or 373 W) three phase 230 volt TEFC AC electric motors, these specially constructed inverter-duty gearmotors are designed for long life variable frequency drive operation with continuous duty torque outputs from 148 to 717 in-lbs (16.7 to 81 N-m).

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The 650 Series Verdant Duty™ standard product offering is made up of five models with gear ratios from 27.6 to 214.5:1. Like all of Bison’s standard and Verdant Duty™ products, they are supported by Bison’s In-Stock, Instant-Ship (ISIS) program and available from Bison distributors and direct from the Bison website. Complete specifications and CAD drawings for these units are also available at Bison Gear’s new website.

Bison Gear & Engineering Corp.

www.BisonGear.com

Robust Specialty Motors Handle Critical Nuclear Research Applications

June 12, 2009 by Miles Budimir  
Filed under Gearhead - Gearmotors

Rohnert Park, CA – Vacuum and radiation hardened gear motors and resolvers from Empire Magnetics are being used by the Australian Nuclear Science and Technology Organization (ANSTO) on research instruments at the organization’s Bragg Institute research facility.

An anti-backlash radiation hard resolver with gearing provides precision encoding in a radiation environment. By employing a precision spring the backlash in the encoding system is taken out, which allows accurate values of the process to be sent to the motion control system.

An anti-backlash radiation hard resolver with gearing provides precision encoding in a radiation environment. By employing a precision spring the backlash in the encoding system is taken out, which allows accurate values of the process to be sent to the motion control system.

“There are four main instruments at the Bragg Institute using Empire Magnetics products, which pose the most significant challenges and have the severest consequences on the institute’s operations if vital components fail,” says the Bragg Institute Electrical Project Engineer for ANSTO. “The instruments are associated with a nuclear research reactor, which is the source of neutrons that the instrument employs to perform fundamental research on the detailed structure of materials. The instruments cost upwards of US$5M each and are used by scientists all over the world.”

Empire specialty motors and resolvers are being used in ANSTO’s TAIPAN and SIKA 3-axis spectrometers, its PELICAN cold-neutron time-of-flight spectrometer and the QUOKKA small angle scattering instrument. These instruments perform neutron scattering, and are essentially scientific research tools for physicists, engineers, and chemists. The instruments allow the atomic, electronic, and magnetic structure of materials to be analyzed on a resolution and depth not possible with any other instruments.

The Taipan instrument is a triple axis instrument used for measuring phonons or “solid state waves” - novel materials that can give scientists insights into processes such as high temperature superconductivity. It is the instrument that is closest to the core of the nuclear reactor and has a moment of inertia of 15,000 kgm2. Hence, high torque, high inertia motors are needed which can function in a radion environment with a high degree of reliability and quality.

The Taipan instrument is a triple axis instrument used for measuring phonons or “solid state waves” - novel materials that can give scientists insights into processes such as high temperature superconductivity. It is the instrument that is closest to the core of the nuclear reactor and has a moment of inertia of 15,000 kgm2. Hence, high torque, high inertia motors are needed which can function in a radion environment with a high degree of reliability and quality.

“As a nuclear research facility our electrical control components are subjected to extreme environmental conditions, including gamma and neutron radiation. The components are embedded inside tons of radiation shielding that are keyed together in large monolithic slabs. If a motor fails it means we have to shut down an instrument and wait up to a week for the radiation to die down. Then we need to remove the radiation shielding, replace the motor and key the shielding back together. This process can take up to 2 weeks,” says the project electrical engineer.

The ramifications of component breakdowns include lower research quality and quantity, and lost confidence in the facility. The facility strives to have at least 300 days per year of reactor time, during which it runs 24 hours a day, 7 days a week. Scientists from around the world are scheduled to use the instruments up to eight weeks in advance. The average user time is three to five days and anywhere of up to five different scientists can be scheduled to use an instrument at a given time. A breakdown would result in the whole user program having to be shifted back – a task which is heavy on administration resources and difficult to organize, and long term, could ultimately result in lost clients.

“Almost every application we have involves detailed designs and requirements. Although other vacuum and radiation hardened components exist off the shelf, Empire Magnetics had the engineering expertise and experience to ensure the necessary components met our requirements at reasonable costs, and in reasonable time frames. With the consequences of failure detrimental to the research facility’s scientific credibility and reputation, we could not sacrifice quality,” says the project engineer.

Empire Magnetics premium vacuum-rated servo and stepper motors are designed to survive pressures as low as 10-7 Torr, and are temperature-rated at 180°C internal, and 155°C for the case. The bearing lubricant vapor pressure is below 10-9 Torr at 100o C. These motors are typically used when even very small amounts of contamination are of concern to the customer, and undergo a proprietary extraction process to remove contaminants.

Empire radiation-hardened motors are available with continuous output torque ranging from 15 to 400 inch lb. (1.7 – 46 Nm) or momentary peak torque from 30 to 1000 inch lb. (3.4 – 113 Nm). They are available with rotor inertia from 0.17 to 36.7 oz-in2, and continuous output power of 700 to 7800 watts. They are rated for a total accumulated dose of 2×108 rads as standard, with ratings to 1×109 rads available on a custom basis. Additional custom radiation-hardened solutions are available.

www.empiremagnetics.com

New Permanent Magnet DC Gearmotors from Bison Gear

St. Charles, IL – Bison Gear & Engineering introduces six standard models of new parallel shaft permanent magnet DC gearmotors with continuous torque ratings from 30 to 500 in-lbs. (3.4 to 56.5 N-m). The new VWDIR134 DC gearmotors are available with 1/10 or 1/11 horsepower (74.6 or 67.8 watts) 90 volt brushed DC electric motors. The compact, integral gear reducers feature hardened steel helical and spur gearing for efficiency and durability, with ratios ranging from 10:1 to 266:1 and corresponding fixed output speeds from 152 to 6 RPM. The gearmotors feature built-in face mounting, compatible with Von Weise Genesis mounts, and offer overhung load (OHL) capability of 300 lbs. (136.4 kg.). For added versatility, these gearmotors also accept the new Bison TightDrive™ speed control.

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Bison Gear’s TightDrive™ motor-mounted speed control can be easily user installed on the rear of the VWDIR134 gearmotors and offers up to a 20:1 speed range. The TightDrive™ is housed in a durable aluminum extrusion which offers NEMA 1 (IP 30) protection and superior heat dissipation. Speed is controlled with a combination on/off switch and speed potentiometer. In addition, three easily accessible adjustable potentiometers provide settings for minimum RPM, maximum RPM, and current limiting. The simple, yet innovative, SCR control architecture also provides much tighter speed regulation than alternative controls.

The TightDrive™ is designed for 115 volt 50/60 Hz operation and comes complete with three foot (0.9m) power cord and NEMA 5-15P plug. Users can mount the drive directly to the motor in 90° increments to optimize position of cord exit and motor leads.

The new VWDIR134 DC parallel shaft gearmotors are designed for high torque commercial, industrial and agricultural applications such as in foodservice, office and medical equipment as well as a wide variety of conveying equipment.

Bison Gear’s Innopreneurial™ application and design engineering capabilities to customize standard models to meet specific OEM needs are readily available. All of the VWDIR gearmotors are manufactured in Bison Gear’s suburban Chicago facility to Bison’s high quality standards in order to ensure a short supply chain and reliable, long-life operation. The VWDIR and TightDrive™ products are part of Bison’s new In-Stock, Instant-Ship (ISIS) program that offers same day order fulfillment on over 550 standard Bison products.

The VWDIR134 DC gearmotors are the thirteenth series to join Bison Gear’s comprehensive line of Von Weise Drop-In Replacement gearmotors. Bison’s VWDIR line now encompasses 90 standard models of right angle, parallel shaft, and offset parallel shaft designs utilizing AC, DC and universal electric motors from 1/30 to 1/2 horsepower (25 to 373 watts), with fixed output speeds from 1.5 to 181 RPM and continuous torque ratings up to 800 in-lbs (90.4 N-m). All of the VWDIR gearmotors are manufactured in Bison Gear’s suburban Chicago facility to Bison’s high quality standards in order to ensure a short supply chain and reliable, long-life operation.

Bison Gear & Engineering Corp.
www.BisonGear.com

Bodine Adds Gearmotors and Motors to Pacesetter™ Product Line

CHICAGO, IL — Bodine Electric Company added over twenty new 230/460 VAC, variable speed, three-phase gearmotors and motors to their Pacesetter™ product line. These new models are ideal for factories where various power supply options are present. They provide a wide range of torque, speed, and horsepower to fit a wide variety of applications such as conveyor systems, packaging machines, and factory automation. These highly efficient, variable speed AC motors can help to reduce power consumption and lower production costs.

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The 34R and 42R frame motors are now available with dual voltage windings and inverter duty ratings. When operated with an AC speed control (inverter), these motors have a speed range from 120-3,650 rpm; maximum torque of up to 281 oz-in. (2 Nm) and are rated from 1/4 to 3/8 HP. They can be matched with Bodine’s three most popular gearheads, the type E, F and 5N. The type E and F are both parallel shaft designs, with gear ratios from 5:1 to 300:1; their torque is rated from 25 to 341 lb-in. (up to 39 Nm), and power is rated up to 3/8 HP (280 W). The type 5N right-angle gearhead has gear ratios from 5:1 to 75:1. It provides a torque range between 54 and 116 lb-in. (up to 13 Nm) and up to 3/8 HP (280 W) power. Larger type 48R dual voltage motors and gearmotors are already available up to 3/4 HP (560 W).

All Bodine Pacesetter inverter duty AC motors and gearmotors feature Bodine’s Quintsulation™ 5-stage insulation system, which meets NEMA MG 1-1993, Section IV, Part 31. This insulation protects the motor from potential spikes or corona damage caused by the inverter. Pacesetter gearmotors are UL or CSA recognized for construction, cURus or CSA/UR marked, and in compliance with the Low Voltage Directive “CE”, and RoHS compliant.

Bodine Electric
www.Bodine-Electric.com

D Series Cast Iron Gear Motor

AMES, Iowa – Sauer-Danfoss’ (NYSE:SHS) new D Series cast iron gear motor provides a 276 bar [4000 psi] solution in a ductile, three piece housing, complete with an electrohydraulic proportional relief valve. Suited for heavy duty fan drives and powering work functions, from mining conveyors, road pavers and crushers to flail and side angle mowers, it perfectly complements the Sauer-Danfoss D Series cast iron gear pump.

The D Series motor is an excellent choice for variable speed fan drive systems. In addition to handling very high cooling demand, an EH proportional relief valve maximizes available machine horsepower by providing cooling only as needed. The electronic interface makes the D Series motor fully PLUS+1™ Compliant to integrate with PLUS+1™ microcontrollers and other compliant products including sensors and graphical displays.

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Increased Performance
The D Series motors exceed the capabilities of aluminum motors in applications requiring high pressure, 276 bar [4000 psi] vs. 207 bar [3000 psi], high temperatures and duty cycles. Fan speeds can be controlled to maintain optimum engine and hydraulic system temperatures. Fan reversing capability enables a radiator cleaning cycle. When used in conveyors, the D Series motors offer excellent starting torque to control the conveyor speed while optimizing feed rates and maintaining speed under varying load conditions.

Greater Efficiency/Extended Life
The use of the EH proportional relief valve makes fan drives up to 50 percent more efficient than direct or belt drives. In the remote possibility of valve failure, fan speed defaults to the highest setting to maintain cooling integrity. The D Series motors also incorporate high temperature seals and a dust resistant shaft seal which improve performance under extreme temperature and pressure conditions – and extend operating life. The bronze sleeve bushings in the front flange are lined with Teflon® PTFE, and provide increased radial load capability before requiring the use of outrigger bearings.

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Installation Flexibility
The D Series compact design is 20 percent smaller than a conventional motor. Shorter length and consequent higher power density help to ease installation in tighter places. The side or rear port options come in a variety of styles, and add to greater machine design flexibility.

www.sauer-danfoss.com

Gearmotor Withstands Aggressive Cleaning

ASEPTICplus gearmotor features an IP 69K-rated DAS motor with a smooth-bodied, hygienic design to perform reliably in high pressure, high temperature washdown conditions found in the food processing industry. The motor has a smooth surface without recesses.

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Since there is no place for bacteria or contaminants to hide, this allows thorough and efficient cleaning. Plus, the totally enclosed non-ventilated motor prevents contaminants from being spread by air flow. The gearmotor has stainless steel components such as blanking plugs, breather valves, screw plugs and output shafts. Special coatings and sealants are also used, including a three-layer epoxy paint that is heat-cured after every layer, as well as EPDM rings and double sealing with FKM on the output side.

SEW-Eurodrive
www.seweurodrive.com

12 Volt Permanent Magnet DC Products

Bodine introduces a new selection of 12 volt permanent magnet DC (PMDC) gearmotors, motors and a new 12 VDC speed control for continuous duty OEM applications. These compact and cost-efficient products provide the predictable performance required for battery powered, remote-location, medical device, or solar applications. When these gearmotors and controls are used together, they provide a complete, single-source motion control system.

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12 volt PMDC gearmotors and motors are available in both 24A- and 33A-frame motor sizes. They can be built in combination with most of Bodine’s parallel shaft, hollow shaft or right-angle gearheads, with gearmotor output speeds from 5.6 to 417 rpm. Horsepower extends from 1/29 to 1/8 hp, and they are able to generate up to 310 lb-in torque. Higher output ratings are possible for intermittent duty applications. Custom models are available with encoders installed, special output shafts, cords, and customer-specific mounting configurations.

Bodine’s new Type WPM–12 VDC speed control is ideal for battery powered, solar powered and other low-voltage applications that require basic, single-direction speed control. This pulse-width-modulation (PWM) speed control provides cool motor operation, long brush life and lower audible noise and wider speed range. DIP-switches allow the control to be easily calibrated for different size motors.

www.bodine-electric.com

How Green is Your Gearmotor?

Three phase electric motors are more efficient than single phase, but three-phase power isn’t available everywhere. Variable Frequency Drives are today’s answer. When compared to DC speed controls, they offer more features to increase equipment life.

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To maximize efficiency of your gearmotor, avoid inefficient gearing. Right angle worm gear reducers can have efficiencies of 50% or lower, while spur and helical gears used in parallel shaft reducers are more typically in the area of 98%. Therefore, it pays to see if offset parallel shaft designs are available which offer higher efficiency.

www.bisongear.com

FlexTorq(TM) 762 Hollow Shaft Offset DC Gearmotors

St. Charles, IL – Designed to fit into high torque, tight space applications, and featuring either a 1.25″ (31.75 mm) I.D. hollow shaft or a 1.25″ diameter solid shaft in the u-shaped or s-shaped configuration, Bison Gear & Engineering Corp. introduces its new FlexTorq™ 762 series hollow shaft offset DC gearmotors. Driven by 1/20, 1/4 or 1/2 HP (37, 186 or 373 Watt) permanent magnet 90 volt DC variable speed motors, the FlexTorq™ 762 series is available in 9 standard off-the shelf models from Bison Gear and its distribution partners.

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Fixed output speeds on the standard FlexTorq™ units range from 1.2 to 65 RPM and Bison can provide matched variable speed drives for the PMDC gearmotors. As part of its Robusticity™ design philosphy, Bison’s pinion gears are integral to the motor shaft. Carbide cutting tools are used to hob the pinion teeth on automated hobbers. The pinions are then heat treated in a carbonitriding process that offers a hardened, wear resistant surface. Bearing and gear life are maximized with oil bath lubrication, rather than grease.

The FlexTorq™ gearmotors are manufactured in Bison Gear’s suburban Chicago facility to Bison’s high quality standards in order to ensure a short supply chain and reliable, long-life operation. In addition, Bison’s Innopreneurial™ application and design engineering capabilities to customize standard models to meet specific OEM needs are readily available.

www.BisonGear.com

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