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Our special advertising section takes a look at leading suppliers in the gear drives space.
See our special advertising section focused on gears and gear drives from the September 2019 issue of Power Transmission Engineering.
The complete Industry News section from the August 2012 issue of Power Transmission Engineering.
The complete Product News section from the August 2019 issue of Power Transmission Engineering.
The following special product news section examines the latest products and technologies in motion control.
The complete product news section from the October 2008 issue of Power Transmission Engineering (PTE).
Latest information about upcoming products.
The complete Product News section from the June 2012 issue of Power Transmission Engineering.
The complete Product News section from the September 2018 issue of Power Transmission Engineering.
Gear drives focus on longevity, quality and customization.
Machinists Inc. is integrating the machinery, equipment and know-how of The Gear Works-Seattle Inc.
The complete Product News section from the March 2019 issue of Power Transmission Engineering.
You may have noticed a lot of merger and acquisition activity lately in the power transmission industry. What does it mean?
If you can find that magic bullet that will reduce the machining process, you can achieve meaningful efficiency gains. It is imperative that check-weighers or in-motion weighing systems remain both accurate and efficient while attaining a consistently smooth operation because they dynamically weigh products as they move across the belt.
The complete Industry News section from the June 2018 issue of Power Transmission Engineering.
Approximately one quarter of all servo motors around the world require some type of gear reduction in their applications. From large satellite dishes to precision medical devices, gearboxes boost torque and reduce speed for servos in order for them to be sized more efficiently. While gearbox fundamentals haven't changed much over the past 20 years, their effectiveness has improved significantly, driven mostly by the need to accommodate advancements in servo technology.
Health monitoring or condition monitoring has been used for many years on machines and in plants where the cost of an outage is high. It allows failures to be anticipated and maintenance or repairs to be scheduled for the least loss of production, as well as avoiding unnecessary periodic maintenance.
IMTS 2018 had its fair share of machine tools, 3D printers and advanced robotics. Meanwhile, the East Hall â” home to Hannover Messe USA â” took a more systematic approach, highlighting the smart components and techniques that will be integral in developing the digital factory of the future.
A Practical Comparison of Planetary and Orbitless Gear-Heads.
The technology continues to evolve in chain- and belt-driven systems
The complete Product News section from the February 2019 issue of Power Transmission Engineering.
The complete Industry News section from the September 2018 issue of Power Transmission Engineering.
A Look at Gear & Gear Drive Lubrication Performance Improvements
Schaeffler Touts System Solutions and Electrification Advancements at Detroit Symposium
A worm drive is a geared power transmission device in which a worm meshes with a worm gear to transmit power between two non-intersecting shafts that are oriented at a right angle. The worm drive has been an active and challenging topic of technological study since Leonardo da Vinci (1452-1519).
The latest tools and techologies in power transmission, motion control and related components.
Most of you who read this magazine have a close relationship with gears and gear drives. According to our surveys, 75% of you recommend, specify or buy them. It's a shame, then, that the majority of you will miss Gear Expo (Oct. 24-26 in Columbus, OH) this year.
Highlights from some of the gear, gear drive, power transmission component, software, materials and related exhibitors at Gear Expo 2017.
The complete Industry News section from the June 2017 issue of Power Transmission Engineering.
Standardized calculation methods such as ISO 6336 and DIN 3990 already exist to determine the load distributions on gears inside a planetary gearbox, but by their very universal nature, these methods offer varying results depending on the gearbox design. Double helical gears, in particular, can benefit from more specific, complex algorithms to reach a maximum level of efficiency. Double helical gears interact with the rest of the gearbox differently than helical or spur gears, and thus benefit from different analytical models outside the standardized methods. The present research project describes the algorithm to determine the load distribution of planetary gearboxes with double helical gears.
In today's highly competitive world, the better someone understands the advantages and benefits of direct drive technology, then the more they will have an advantage in machine building, giving them an edge over their competition.
In the process of applying industrial drive products, we occasionally are misled into believing that we are applying horsepower. The real driving force is not horsepower - it is torque. This paper is developed to impart a deeper understanding of torque, its relationship to horsepower, and the types of loads we most frequently encounter.
As the old adage goes, "There is more than one way to skin a cat." In the early stages of any project, system designers are faced with choices; whether they are designing a new application or retrofitting an old one, they need to determine what is the most efficient, economical and practical way of completing the task at hand. Though there are usually at least two viable means to accomplish the task, the first step is always to review and weigh the merits of each option.
Process Expo and Pack Expo Highlight the Latest Technology for Food & Beverage Applications.
Energy efficiency is for more than just motors. Here are some mechatronics companies making sure you get more bang for your buck when it comes to your power bill.
Framo Morat and Dunkermotoren Produce Drive Systems for Automatic Guided Vehicles.
Explosion-Proof Motors in Division 2 Areas and DC Drive Fundamentals
The latest mechanical power transmission products from Nord Drivesystems, Gearing Solutions, Ogura Industrial, Stafford Manufacturing, Rexnord, Portescap, Steinmeyer, Intellidrives, J.W. Winco and Zero-Max.
Gearmotor manufacturers find new ways to push the envelope. (With Sidebar on new alternative to planetary gearboxes)
The complete Industry News section from the September 2017 issue of Power Transmission Engineering.
New HMI from Siemens, ITAMCO ramps up additive manufacturing, LM76 introduces new linear bearings, plus other new products from around the industry.
In this work a physically based method for the tribological investigation of worm gears is presented.
The complete Industry News section from the June 2019 issue of Power Transmission Engineering.
The complete Product News section from the March 2021 issue of Power Transmission Engineering
The complete Industry News section from the March 2021 issue of Power Transmission Engineering.
The complete Product News section from the April 2021 issue of Power Transmission Engineering.
SLM Corporation and Nord Drive Systems collaborate on drive technology advancements.
The complete Product News section from the February 2021 issue of Power Transmission Engineering.
The complete Industry News section from the September 2020 issue of Power Transmission Engineering.
The complete Product News section from the October 2020 issue of Power Transmission Engineering.
The complete Product News section from the December 2020 issue of Power Transmission Engineering.
he complete Product News section from the June 2021 issue of Power Transmission Engineering.
The complete Product News section from the August 2010 issue of Power Transmission Engineering.
The complete Industry News section from the December 2019 issue of Power Transmission Engineering.
The complete Product News Section from the February 2020 issue of Power Transmission Engineering.
The complete Product News section from the March 2020 issue of Power Transmission Engineering.
The complete Product News section from the October 2019 issue of Power Transmission Engineering, featuring new technologies from Timken, Applied Motion Products, LM76, Ogura, Portescap, Ruland Manufacturing, and Heidenhain
The complete Product News section from the March 2017 issue of Power Transmission Engineering.
News about latest products
In the world of PT components, the clutch gets absolutely no recognition whatsoever. There are entire magazines dedicated to gears, bearings and motors, but clutches get very little press outside of the automotive industry.
Condition-based maintenance requires detailed state knowledge, often acquired by means of sensors.
Options available for those looking for safe, online/in-person gear knowledge.
Worm, bevel, and parallel shaft gear units were installed at two breweries to provide the necessary process control.
How one gearbox manufacturer took an existing design and transformed it to meet the needs of this demanding environment.
Standing in a factory or a warehouse, you're bound to notice machinery, whether it's a conveyor system that winds across the floor or large fans that hang from the ceiling. You may even notice automated guided vehicles or autonomous mobile robots carrying parts, driving themselves from one section of the building to another. These machines are good candidates for using high-efficiency gearmotors, especially if they're expected to run for long stretches at a time. If they aren't using high-efficiency gearmotors, then they may be costing more money than they should.
Efficiency, power-loss reduction and enhanced performance are just a few examples of what the PT community wants from their gears and gear drives in 2019. Some companies are doubling down on service and assembly capabilities while other others are integrating components in an effort to increase flexibility and control.
The complete Industry News section from the August 2019 issue of Power Transmission Engineering.
Chain and sprocket drives of one form or another have been driving machines and conveying materials for over a thousand years. The chain manufacturing industry has developed numerous types and sizes of drive chains. Although it is a mature form of power transmission, there are still many industrial applications for which drive chain is suited. It is economical, resistant to shock loads, easy to install, has the ability to transmit high torque, operates in hostile environments, and is efficient. Chain and sprocket drives are highly engineered and manufactured within close tolerances.
Enhancing Safety, Quality, Delivery and Cost.
This paper presents a joint project conducted by Ashwoods Electric Motors and Oerlikon Fairfield that uses planetary drives with an integrated electric motor. Current solutions used in production of off-highway vehicles rely upon large, heavy and inefficient brushed DC or induction motors, coupled to a planetary gearbox. This presents a number of challenges to the vehicle designers such as: limited vehicle range, limited space around the motor/drivetrain, and motor durability. The proposed integrated system utilizes an Oerlikon Fairfield Torque Hub, widely used in off-highway vehicles, and the Ashwoods first-to-market, interior permanent magnet motor. How these products are integrated, i.e. incorporating a brake solution, represents a market-changing product. Using interior permanent magnet (IPM) technology in the motor design means the motor can be up to 70% lighter, 70% smaller and 20% more efficient than traditional motors used in off-highway traction applications.
Key technical drivers which can be addressed by advanced PM manufacturing technologies are, for example, the need for system downsizing in transmissions and differentials, the need for developing systems with higher power density and the strong NVH (Noise Vibration Harshness) requirements - especially for electrified transmissions or e-axle solutions.
The following article is a round-up of the latest linear motion product and industry news items featured at www.powertransmission.com and on social media.
Condition Monitoring Technology Evolves for Gear Drives, Gearmotors and Gearboxes. Here's a look at what some leading manufacturers are offering.
In planetary gear systems of high power density and high gear ratio, helical gears create undesirable tilting moments on the planet gears; therefore, spur gears are still preferred for planetary gears -- a special challenge with respect to noise. Specifically, the different behavior of planetary gears with sequential and symmetric gear mesh is explained in this paper.
Are you looking for one simple formula to help you choose between centralized and decentralized motor control? Unfortunately, such a formula does not exist. However, evaluating the overall size of the system, comparing labor and material costs, and maintaining flexibility can help guide engineers in the right direction.
Durability requirements must be balanced with the need for lightweight and low-cost solutions which meet noise and vibration targets whilst also exhibiting excellent efficiency.
PTE Examines Gearmotor and Gear Drive Technology
Welcome to the Age of Information, where flexible, intelligent drive systems separate the haves from the have nots
Intelligent drive technology in the cowshed
The complete Industry News section from the April 2019 issue of Power Transmission Engineering.
For the lubrication of open gear drives used in different industrial applications such as cement and coal mills, rotary furnaces, or where the sealing conditions are difficult, semi-fluid greases are often used in preference to fluid oils. For girth gear applications the greases are used with a splash or spray lubrication system. The selection of such greases influences pitting lifetime and the load-carrying capacity of the gears, as well as wear behavior
This article is designed to help describe the selection process of a reducer to be used in the parcel handling industry. It will go over the different applications for which gearboxes are used throughout parcel handling facilities such as UPS, FedEx and DHL.
The complete Product News section from the December 2011 issue of Power Transmission Engineering.
SPS-IPC Drives 2011, which took place in Nuremburg, Germany in November, covered all components down to complete systems and integrated solutions in the electric automation industry.
Synchronous motors controlled by variable speed drives are bringing higher efficiencies to industrial applications.
Given that many different hydraulic systems recommend the use of either frequency converters or cyclic control (soft starter technologies), the question must be asked - Which one of these solutions is the most cost-effective in reducing energy consumption and providing the most satisfactory payback time?
The primary driver of an airport baggage handling queue conveyor must be able to operate under increasingly demanding operating conditions, including frequent starting and stopping. The selection of the primary driver of the queue conveyor is dependent on multiple criteria, including dimensional requirements and durability characteristics.
While safety functions have been integrated into drives packages for some years now, the current trends are very exciting, from many angles. Today, a full complement of safety functions can be implemented at the front-end of a system design on all types of production machines, including printing, packaging, converting, materials handling and other equipment used throughout American industry.
The Baldor Reliance RPM AC Cooling Tower Direct Drive Motor is designed exclusively for the cooling tower industry. This motor combines the technologies of the power-dense, laminated frame RPM AC motor with high performance, permanent magnet salient pole rotor designs.
The complete Product News section from the February 2012 issue of Power Transmission Engineering.
Compact loaders are employed where large machines have no access or are over dimensioned. New hydrostatic drives from ZF meet the demanding needs of this market.
Beverage industry conveyor pours on advantages in distribution center. Case study describes the new conveying systems at Motion Industries Canada.
Even when the critical components of industrial power transmission gear drive systems are properly designed, specified and manufactured consistent with application requirements, performance problems can develop over time and failure may follow.
This article presents the first kW-Class, 3-phase GaN-based inverter. Hard-switched at 100-kHz PWM, its heart is a 6-in-1 power module with 600-V GaN power HEMTs, achieving a new efficiency of 98.5%, a more than 2% improvement.
All major manufacturers of 3-phase AC induction motors offer "inverter-duty" or "inverter-readyâ models, but while these motors have inverter-rated insulation to protect the windings, the bearings--their most vulnerable parts--are too often ignored.
Fairchild International, a U.S.-based manufacturer of underground mining equipment, has produced battery-powered DC scoops since the early 1980s. With 17 different models available, Fairchild offers a size to fit any coal mining operation, making it the leader in the industry.
In looking for potential opportunities to reduce energy consumption via the drive system, a number of areas should be considered.
A new preventive maintenance program at a leading New England Ivy League university demonstrates how the push for more sustainable "green" building management has led to a growing awareness of a chronic, widespread problem with HVAC motors—electrical bearing damage and failure.
In this special news section, the editors of Power Transmission Engineering have gathered the latest product news and information from the gears and gear drives sector.
One of the driving forces behind the industrial revolution was the inventionâ”more than a century agoâ”of the electric motor. Its widespread use for all kinds of mechanical motion has made life simpler and has ultimately aided the advancement of humankind. And the advent of the inverter that facilitated speed and torque control of AC motors has propelled the use of electric motors to new realms that were inconceivable just a mere 30 years ago. Advances in power semiconductorsâ”along with digital controlsâ”have enabled realization of motor drives that are robust and can control position and speed to a high degree of precision. The use of AC motor drives has also resulted in energy savings and improved system efficiency. This paper reviews the development and application of inverter technology to AC motor drives and presents a vision for motor drive technology.
Presented is a high-phase, order-induction motor drive for use in a series hybrid architecture. This solution overcomes numerous compromises in current hybrid powertrain designs. Notably, it allows for a vehicle that is competitive in terms of performance and cost.
The Royal Danish Theatre has occupied the heart of Copenhagen for centuries and recently upgraded to a new control system featuring Sprint Electric DC drives to extend the lives of the existing motors, keeping replacement costs down. The Swedish stage design and technology company Visual Act retained most of the original motors and mechanics while providing a much-needed facelift to the stage.
The complete product news section from the June 2009 issue of Power Transmission Engineering.
Can direct drive technology improve your bottom line? Manufacturers relying upon drive systems in their production process have long sought ways to improve gearbox efficiency. While a gearbox-driven system has been the mainstay for manufacturers, it has also been, among other things, the source of frequent breakdowns, expensive line stoppages and increasingly costly maintenance.
Entrust enlists Advanced Machine & Engineering for 7-axis, 2-spindle performance.
The federal government estimates that manufacturing uses about one third of the energy consumed in the U.S., so manufacturing companies can play an important role in building a sustainable future.
The complete Industry News section from the February 2008 issue of Power Transmission Engineering
Brevini Power Transmission helps spectators enjoy stadium sights and sounds.
Bosch Rexroth assists Bell-Everman with linear actuator development.
Typically, zoo safari rides consist of cramped trams that take guests five miles-per-hour past various exhibits. You might catch a bear sleeping, hear scripted, narrated fun facts or be somewhat entertained by eccentric tour guides, but thereâ™s never much to look at except concession stands or souvenir shops.
Much of the industrial energy being consumed by systems is wasted through inefficiency. For this article, a system will be defined as the following components working together: electrical input power, variable frequency drives, induction motors, gearboxes and transmission elements (chains, belts, etc.).
Our politicians in Washington continue dithering over the Obama administration energy bill aimed at developing alternative, green sources of energy production. As a result, when this country will have a viable energy program in place is anyoneâ™s guess, given the usual D.C. gridlock. And yet, Americans can take more than cold comfort in the fact that at least some government agenciesâ”U.S. Department of Energy (DOE)â”and the private sectorâ”some major manufacturersâ”are doing more than their share of work in trying to harness our existing, fossil-based energy sources in such a way that they are used to their best efficiencies.
In order to make better purchasing decisions about centrifuge applications, one must understand the concept of centrifuges and the drives that operate this equipment.
An exploration of direct drive motor trends and examples of design uses for direct drives as replacements for gear drives or belt drives.
Servo system from Bosch-Rexroth helps create more efficient beverage palletizer.
If youâ™re replacing your belts more than once per year, itâ™s time to analyze your drive. From belt crimping damage to high belt installation tension to sprocket misalignment and adverse environmental conditions, this guide walks you through how to identify the reasons behind premature failure and makes recommendations on corrective and preventive measures.
Sunnen grows product portfolio with motion control solution from Siemens.
Gear drives deliver power to industrial equipment such as bulk material conveyors, mixers, pumps and paper mills. The reliability that translates into greater uptime and profitability begins by specifying and selecting the proper drives for these critical applications.
This paper will look at the solutions that current drive and motor technology can offer in not only improving tension control but also solving several other issues that are inherent to systems with high ratio gearing.
Tooth contact analysis (TCA) is an important tool directed to the determination of contact patterns, contact paths, and transmission errors in gear drives. In this work, a new general approach that is applicable to any kind of gear geometry is proposed.
With advances in modern technology reducing demand for envelopes, manufacturers are finding it increasingly hard to justify investment.
A thermo-mechanical model of a splash lubricated one-stage gear unit is presented. This system corresponds to a first step towards the design of a hybrid vehicle gearbox that can operate up to 40,000 rpm on its primary shaft. The numerical model is based on the thermal network method and takes into account power losses due to teeth friction, rolling-elements bearings and oil churning. Some calculations underline that oil churning causes a high amount of power loss. A simple method to reduce this source of power losses is presented, and its influence on the gear unit efficiency and its thermal capacity is computed.
One of the key challenges in the mining industry today is maintaining throughput in the face of ore grade quality that has declined by 40 percent in the last decade.
The improvement of the energy efficiency of industrial gear motors and gearboxes is a common problem for many gear unit manufacturers and end-users. As is typical of other mechanical components, the radial lip seals used in such units generate friction and heat, thus contributing to energy losses of mechanical systems. There exist today simulation tools that are already helping improve the efficiency of mechanical systems â” but accurate models for seal frictional losses need to be developed. In this paper SKF presents an engineering model for radial lip seal friction based on a physical approach.
News about latest Products in the Industry
Experts gathered at the 9th CTI Symposium to discuss the challenges of reducing noise, improving energy efficiency and meeting the changing demands of the marketplace
This paper presents a physically grounded calculation method to determine the efficiency of worm gear drives. This computation is based on the Institute of Machine Elements, Gears, and Transmissions (MEGT) tribological simulation, which can determine the local tooth friction coefficients (Ref. 1). With this knowledge other power losses such as the bearings, oil churnings and seals power losses can also be calculated.
As with just about everything else in the manufacturing world â” and all which that universe entails â” it depends. After all, thatâ™s why the art of manufacturing is a process â” not a one-system-fits-all discipline. Yes, once that process has been properly designed and correctly implemented for a given manufacturing production need, it may well run like the astest, smoothest cookie-cutter-type operation ever devised.
As gear efficiency is improved in small steps, it is important to be able to distinguish actual improvements from scatter that can occur while testing. An FZG back-to-back gear test rig was used to investigate how the assembly and re-assembly of the same test setup affects the measurements. A spread in torque loss between one assembly and another of the same test setup were observed. Rig conditions also affected the spread in input torque. With knowledge of how the spread in torque loss varies due to assembly, test results could be distinguished between changes due to assembly and actual differences between tests.
Referencing a June 2014 Article, âœHigh Gear Ratio Epicyclic Drives Analysis,â by Dr. Alex Kapelevich: I have designed a small compound epicyclic gearbox with common planets. Sun = 10 teeth Planet = 14 teeth Ring Gear stationary = 38 teeth Ring gear output = 41 teeth profile shifted onto a 38 tooth pitch diameter. Carriers are simply cages for the planet alignment and location. According to your article, and according to my calculations and the prototype I have built, my inputto- output ratio is a reduction of 65.6:1. I am using a ~ VG1 viscosity grease and Nylatron materials for the gears and carriers.
Synchronous drives are especially well-suited for low-speed, high-torque applications. Their positive driving nature prevents potential slippage associated with V-belt drives, and even allows significantly greater torque carrying capability. Small pitch synchronous drives operating at speeds of 50 ft/min (0.25 m/s) or less are considered to be low-speed. Care should be taken in the drive selection process as stall and peak torques can sometimes be very high. While intermittent peak torques can often be carried by synchronous drives without special considerations, high cyclic peak torque loading should be carefully reviewed.
Implementing a power-on-demand concept based on variable speed drives allows for energy saving in any application that involves pumps or hydraulic systems. And when used in combination with an intelligent wiring and communication system, relevant machine data can also be easily recorded - the basis for comprehensive power management.
Latest news on products.
The performance of high-speed helical geartrains is of particular importance for tiltrotor aircraft drive systems. These drive systems are used to provide speed reduction/torque multiplication from the gas turbine output shaft and provide the necessary offset between these parallel shafts in the aircraft. Four different design configurations have been tested in the NASA Glenn Research Center, High-Speed Helical Geartrain Test Facility. The design configurations included the current aircraft design, current design with isotropic superfinished gear surfaces, double-helical design (inward and outward pumping), increased pitch (finer teeth), and an increased helix angle. All designs were tested at multiple input shaft speeds (up to 15,000 rpm) and applied power (up to 5,000 hp). Also two lubrication, system-related, variables were tested: oil inlet temperature (160â“250° F) and lubricating jet pressure (60â“80 psig). Experimental data recorded from these tests included power loss of the helical system under study, the temperature increase of the lubricant from inlet to outlet of the drive system and fling-off temperatures (radially and axially). Also, all gear systems were tested with and without shrouds around the gears.
Gearing is an essential component in conveyors. The material handling industry appears divided between those who favor high-end three-stage helical bevel gearboxes and those who rely on less expensive worm gearing. But thereâ™s an often over-looked alternative, the two-stage helical bevel gearbox.
Todayâ™s newspaper advertisers demand vibrant, attractive color printing, and newspaper printers are constantly looking for methods to improve printing processes to meet these demands. When it comes to improving the printing process, the key component is to choose the right printing press.
In recent years the estimation of gearbox power loss is attracting more interest â” especially in the wind turbine and automotive gearbox industry â” but also in industrial gearboxes where heat dissipation is a consideration as well. As new transmissions concepts are being researched to meet both ecological and commercial demands, a quick and reliable estimation of overall efficiency becomes inevitable in designing the optimal gearbox.
New products within the Industry
The complete Industry News section from the August 2013 issue of Power Transmission Engineering.
Dave Soma, the mechanical supervisor at Leland Olds Station, a coal-fired power plant near Stanton, North Dakota, says he and his maintenance team care deeply about keeping the plant running and providing people electricity, especially in the dead of winter.
A discussion of the basics in DC drives, DC motors, AC drives, AC motors and synchronous motors.
Power transmission and motion control companies will be on-hand during Hannover Messe 2013 to display the latest technology offerings in key product categories including roller bearings, gears, pumps, motors, transmissions, drive system components, clutches and braking systems.
The mechanical components of your drive system play a major role in overall system efficiency. Don't cut corners.
Our product focus includes the latest technology in gears and gear drives from the leading manufacturers.
Hydrostatic drive concept gives LinsiTrak flexibility and versatility.
The complete Product News section from the December 2013 issue of Power Transmission Engineering.
A brief overview of the induction motor, including the basics of construction, performance and variable speed drives.
What is the recommended method of gripping a spinning shaft (with up to 130 hp of rotational energy) to install pre-tension thrust bearings and conventional thrust bearings (load = hundreds of pounds) when the shaft cannot have any high points because it must pass through an area of tight clearances to assemble? Will snap rings still withstand the harsh vibration of this environment?
EDITORSâ™ NOTE: âœThe Applications of Bevel Gearsâ is the excerpted third chapter of Dr. Hermann Stadtfeldâ™s latest book â” Gleason Bevel Gear Technology (The Gleason Works, Rochester, New York, USA; All rights reserved. 2014; ISBN 978-0-615-96492-8.), which appears here unabridged through the kind graces of Dr. Stadtfeld and Gleason Corp. Future installments will appear exclusively in Power Transmission Engineering and Gear Technology magazine over the next 12 to 18 months.
The changing landscape of hydraulic drives is leading many fluid power specialists to quickly adapt to using variable speed pump drives. Optimum utilization of these drives requires, in many cases, additional system design considerations.
News about new Products in the industry.
ContiTech and Wöhr Team up for Unique Residential Solution.
This paper outlines the design considerations that go into construction of a drive system in order to explain the importance of specific data, why it is required, and where design freedom is necessary. Apart from loads and speeds, interface dimensions and site specific conditions are also needed. Deciding up front which gear rating practice to select can affect the torque capacity of the drive train by ~15%.
EECV in Rotterdam, the Netherlands, keeps on expanding and improving. In 2013 their transhipment of coal increased and they installed a new bucket wheel reclaimer with a capacity of 3,500 tons per hour. They chose a direct-drive system from Bosch Rexroth for this big bucket wheel. The drive system consists of a HÃ¤gglunds MB 1600 motor and a DUe drive unit.
I'm not able to get a good connection between the pulley and shaft in my drive assembly. Could you explain the various ways of connecting a pulley to a shaft to prevent the pulley from slipping?
News Items About Stock Drive Products
1 New Timing Belt Clamps from Stock Drive Products (May 29, 2007)
A new series of 16 timing belt clamps from Stock Drive Products (an ISO 9001 manufacturer) for long span reciprocating synchronous drives...
2 Stock Drive Products/Sterling Instrument Unveils Self-Guiding Belts (January 2, 2008)
A series of self-guiding Conidrive timing belt drives from Stock Drive Products features the N10 belt and pulley system. These 10 mm pitc...
3 Stock Drive Products Releases New Metric Catalog (August 24, 2010)
Stock Drive Products/Sterling Instrument recently introduced the new D805 Metric Catalog, a completely easy-to-use book that includes new...
4 Stock Drive Products/Sterling Instrument Introduces New Series of Brushless Motors and Motion Control Solutions (April 15, 2021)
Stock Drive Products/Sterling Instrument (SDP/SI) is launching a series of brushless DC servomotors, AGV motors, controllers, and integra...
5 Fairloc Catalog D242 Available from Stock Drive Products (May 29, 2007)
Fastening rotating components to shafts has become easier with the publication of a new 96-page catalog "Handbook of FairlocÂ® Components,...
6 Flexible Shafts, Power Drive Cable, Flexible Shaft from Stock Drive Products (May 30, 2007)
A new series of flexible shafts with casings from SDP are designed for power drive assemblies. A new series of flexible steel cable sh...
7 New Synchromesh Cable Drives from Stock Drive Products (May 29, 2007)
This patented miniature cable, identified as the A 6J 9- and A 6J 9M Series, consists of a straight center section, encased in nylon and ...
8 Roller Chains-Ladder Chains-Plastic Chains from Stock Drive Products (June 15, 2007)
SDP/SI is an ISO 9001 manufacturer of over 68 roller Chains, ladders chains, plastic chains, roller chain links, and all types of chains....
9 New Magnetic Clutches and Couplings from Stock Drive Products/Sterling Instrument Feature Frictionless Parts (July 25, 2007)
A new series of magnetic clutches and couplings from Sterling Instrument feature no friction or wearing parts, uses no electricity and no...
10 Magnetic Clutches and Couplings With No Friction from Stock Drive Products/Sterling Instruments (July 24, 2007)
An exiting new series of Magnetic Clutches & Magnetic Couplings rounds out the growing products from Sterling Instrument (an ISO 9001...
11 Industrial Machine Vibration Mounts from Stock Drive Products (June 15, 2007)
SDP/SI, an ISO 9001 manufacturer of vibration mounts, suspension mounts, vibration isolators, conical bumpers, damped spring mountings, m...