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Few Things You Should Know While Using Gear Couplings In Gas Turbines

At first, the typical gas turbines were used in military and aerospace applications, but nowadays they are used in almost every industrial use. The gas generator that was used to run Boeing 747s and other aircrafts, were also used in power turbines for compressor, general applications and mechanical drive.

 

Gas turbines are special functional machines that require special functional couplings. Generally, the special functional or special purpose machines are divided into high-powered and high speed. The usual horsepower is more than 1000 and the speed is above 3000 rpm.

 

About the use of gear couplings in gas turbines

 

Gear couplings have been in use for a long time to couple critical equipments. They are mostly chosen for critical equipments for their high power density. It provides more horsepower per weight pound and cubic inch of space. Because they are rough and even, they can withstand any type of beating coming from starts and stops or torque spikes. If properly lubricated, these equipments can last for several years.

 

Gear couplings are used in gas turbines between the turbine and its driving item, be it a compressor, pump, gear box or generator.

 

Important things to note

 

There are certain things that you must note about gear couplings which include the following:

 

-         They can be arranged according to any specific requirements other than the typical torque and misalignment.

-         They can be built using all light weight strong materials like titanium alloys.

-         The spacer piece can be tailored to get different type of torsional stiffness, only changing the length and diameter.

-         Gear couplings can be built with external gear teeth on the outer part of the sleeve which will help to house any slow speed turning device.

-         They also come with attachments like torque measuring devices.

 

Design considerations to look for

 

-         Gear couplings with gear teeth advance the life of coupling torque transmission surfaces.

-         Wear- resistant materials are also important. The material should mean hardness and strength as hard and smooth surfaces reduce friction. The harder the surface, the longer is the life of the tooth.

-         Lubrication of the sliding parts is equally important. Low friction reduces the chances of breakdown and this can be done by lubrication.

 

Properly lubricated and well kept gear couplings will give you service for a long period of time.

About the Author

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Daking FET Compressor/Limiter $1445 The Daking FET 2 Compressor/Limiter is one of the best-sounding compressors around (because you don't hear it workingnone of the bad artifacts of compression, just the good), the Daking FET is designed to give you transparent performance along with the compression characteristics of highly sought-after vintage compressors well, stellar classics actually including the Neve 33609, Audio & Design Recording Compex*, and the venerable Fairchild 670. Note: The FET 2 is a single-channel compressor. However, for excellent stereo bus compression reminiscent of Neve, Fairchild, or ADR, two can be linked in stereo via a simple 1/4" -1/4" cable. Build quality The versatile Daking FET 2 Compressor/Limiter uses all-discrete transistor Class A circuits, the best transformers available, printed circuit board mounted switches and pots, and custom low distortion inductors. There is no audio in the mute, bypass, phase or pad switches. These functions are accomplished by relays with bifurcated gold contacts. Signal capacitors are precision polypropylene or ultra low-leakage electrolytic types. Circuit boards are assembled on a mil-spec assembly line. Only through-hole construction, not surface mount, is used to ensure long-term reliability and serviceability. The chassis are stainless steel for maximum RF and hum rejection and long-lasting finish. The faceplates are laminated with 10mil polycarbonate with the silk screening on the back so that the printing can never rub off. Every unit is hand finished, tested, burned in, and tested again. Also, Daking just couldn't stand to use plastic knobs, so they designed massive anodized, engraved aluminum knobs that give a much more precise and quality feel. * While Neve and Fairchild are more commonly known names in the recording industry, whose compressors have been used on countless classic and modern records for decades, Audio and Designs Recording is more of an insider's legend. ADR (Audio & Design Recording) is a British company that that made signal-processing gear in the '70s including compressors; one of which, the Compex F760FX, had a unique way of adding punch to drums. And of all the vintage compressors, is spoken about most highly in that regard. One version of the ADR compressor, the Vocal Stressor) was reputedly used on John Bonham's drums. Records such as the Knack's "My Sharonna," and albums by The Sweet, Pat Benatar (first album) had the Compex used in several roles. According to engineers who've used the original Compex, the Daking FET compressor does a fine job of providing the Compex punch. Channel Strips of the Stars: Ted Perlman Ted Perlman, renowned Grammy-winning producer, musician, arranger, engineer, and programmer, has a resume that reads like a who's who of popular music. His credits include Bob Dylan, Chicago, Burt Bacharach, Elton John, Dave Mason, Brian Wilson, Carole King, Albert Hammond, Jr. (The Strokes), Desmond Child, Young M.C., Dolly Parton, and the list goes on. Ted was kind

Daking Fet Compressor/Limiter $1445 The Daking FET 2 Compressor/Limiter is one of the best-sounding compressors around (because you don't hear it workingnone of the bad artifacts of compression, just the good), the Daking FET is designed to give you transparent performance along with the compression characteristics of highly sought-after vintage compressors well, stellar classics actually including the Neve 33609, Audio & Design Recording Compex*, and the venerable Fairchild 670. Note: The FET 2 is a single-channel compressor. However, for excellent stereo bus compression reminiscent of Neve, Fairchild, or ADR, two can be linked in stereo via a simple 1/4" -1/4" cable. Build quality The versatile Daking FET 2 Compressor/Limiter uses all-discrete transistor Class A circuits, the best transformers available, printed circuit board mounted switches and pots, and custom low distortion inductors. There is no audio in the mute, bypass, phase or pad switches. These functions are accomplished by relays with bifurcated gold contacts. Signal capacitors are precision polypropylene or ultra low-leakage electrolytic types. Circuit boards are assembled on a mil-spec assembly line. Only through-hole construction, not surface mount, is used to ensure long-term reliability and serviceability. The chassis are stainless steel for maximum RF and hum rejection and long-lasting finish. The faceplates are laminated with 10mil polycarbonate with the silk screening on the back so that the printing can never rub off. Every unit is hand finished, tested, burned in, and tested again. Also, Daking just couldn't stand to use plastic knobs, so they designed massive anodized, engraved aluminum knobs that give a much more precise and quality feel. * While Neve and Fairchild are more commonly known names in the recording industry, whose compressors have been used on countless classic and modern records for decades, Audio and Designs Recording is more of an insider's legend. ADR (Audio & Design Recording) is a British company that that made signal-processing gear in the '70s including compressors; one of which, the Compex F760FX, had a unique way of adding punch to drums. And of all the vintage compressors, is spoken about most highly in that regard. One version of the ADR compressor, the Vocal Stressor) was reputedly used on John Bonham's drums. Records such as the Knack's "My Sharonna," and albums by The Sweet, Pat Benatar (first album) had the Compex used in several roles. According to engineers who've used the original Compex, the Daking FET compressor does a fine job of providing the Compex punch. Channel Strips of the Stars: Ted Perlman Ted Perlman, renowned Grammy-winning producer, musician, arranger, engineer, and programmer, has a resume that reads like a who's who of popular music. His credits include Bob Dylan, Chicago, Burt Bacharach, Elton John, Dave Mason, Brian Wilson, Carole King, Albert Hammond, Jr. (The Strokes), Desmond Child, Young M.C., Dolly Parton, and the list goes on. Ted was kind

Gear A $4 Gear A

GEAR A $2 GEAR A

Gear $4 Gear

gear a $3 gear a

Chameleon Labs 7720 Stereo Compressor $499 The Chameleon Labs 7720 Stereo Compressor is based on a trusted design and is electronically balanced, utilizing "THAT Corporation" (formerly DBX) VCA circuitry. It features a low component count in order to provide the cleanest signal path possible. Chameleon Labs has incorporated unique features based on users' suggestions) to make the 7720 more versatile than your average mix bus compressor. A switch allows the meter to indicate either channel's input level, either channel's output level, or the amount of stereo audio signal compression. It has a sidechain, which modifies the control of the compressor with a mono audio signal introduced through the sidechain XLR input. A blue LED gives you a visual indication that the circuit is active and that the sidechain audio is controlled by the compressor, not the left and right audio inputs. The High Pass Filter rotary control allows the sidechain or main audio signal to be equalized to minimize lower frequency audio signals' effect on the compression character of the unit. The HPF also affects the detection circuit, not the actual audio. The selector has six settings. The first setting does not introduce any filtration into the sidechain circuit. The next five settings are 60Hz, 90 Hz, 130Hz, 200Hz and 440 Hz. The high pass filter is designed so that the frequency selected is 3dB down, with a roll-off of 12dB per octave. In addition to the ratio settings common to popular stereo compressors (2:1, 4:1, 10:1), the 7720 feature a 1.5:1 setting. This allows you to maintain control over the dynamics of the input signal without squashing the life out of the mix. What Makes Chameleon Labs Different? Chameleon Labs is a new type of company, focused on delivering performance and value at a price previously thought impossible. How do they do it? By reinventing how global manufacturing is approached. Chameleon Labs engineers are not inexperienced kids in a garage, buying products that are designed and built in China. Chameleon Labs is comprised of audio professionals with many decades of experience in high-end pro audio gear. From its inception seven years ago, they pioneered the idea of "blended technology", using top-notch parts from the US, UK, and Europe combined with low-cost metalwork and assembly from China. This combination enables a superior performance level at a low price point. Every Chameleon Labs product is first created and engineered here in the U.S. The goal is to achieve a specific sound through tedious testing in major U.S. recording studios and listening to numerous tracks and/or mixes with a very specific sonic target in mind. A new design must impress the best and brightest of our evaluation group before it ever reaches the factory floor.Meter switch: allows the meter to indicate either channels input level, either channels output level or the amount of stereo audio signal compression Sidechain: modifies the control of the compressor with a mono audio A blue LED: gives the user a visual

Used Daking Fet Compressor/Limiter $1314.95 The Daking FET 2 Compressor/Limiter is one of the best-sounding compressors around (because you don't hear it workingnone of the bad artifacts of compression, just the good), the Daking FET is designed to give you transparent performance along with the compression characteristics of highly sought-after vintage compressors well, stellar classics actually including the Neve 33609, Audio & Design Recording Compex*, and the venerable Fairchild 670. Note: The FET 2 is a single-channel compressor. However, for excellent stereo bus compression reminiscent of Neve, Fairchild, or ADR, two can be linked in stereo via a simple 1/4" -1/4" cable. Build quality The versatile Daking FET 2 Compressor/Limiter uses all-discrete transistor Class A circuits, the best transformers available, printed circuit board mounted switches and pots, and custom low distortion inductors. There is no audio in the mute, bypass, phase or pad switches. These functions are accomplished by relays with bifurcated gold contacts. Signal capacitors are precision polypropylene or ultra low-leakage electrolytic types. Circuit boards are assembled on a mil-spec assembly line. Only through-hole construction, not surface mount, is used to ensure long-term reliability and serviceability. The chassis are stainless steel for maximum RF and hum rejection and long-lasting finish. The faceplates are laminated with 10mil polycarbonate with the silk screening on the back so that the printing can never rub off. Every unit is hand finished, tested, burned in, and tested again. Also, Daking just couldn't stand to use plastic knobs, so they designed massive anodized, engraved aluminum knobs that give a much more precise and quality feel. * While Neve and Fairchild are more commonly known names in the recording industry, whose compressors have been used on countless classic and modern records for decades, Audio and Designs Recording is more of an insider's legend. ADR (Audio & Design Recording) is a British company that that made signal-processing gear in the '70s including compressors; one of which, the Compex F760FX, had a unique way of adding punch to drums. And of all the vintage compressors, is spoken about most highly in that regard. One version of the ADR compressor, the Vocal Stressor) was reputedly used on John Bonham's drums. Records such as the Knack's "My Sharonna," and albums by The Sweet, Pat Benatar (first album) had the Compex used in several roles. According to engineers who've used the original Compex, the Daking FET compressor does a fine job of providing the Compex punch. Channel Strips of the Stars: Ted Perlman Ted Perlman, renowned Grammy-winning producer, musician, arranger, engineer, and programmer, has a resume that reads like a who's who of popular music. His credits include Bob Dylan, Chicago, Burt Bacharach, Elton John, Dave Mason, Brian Wilson, Carole King, Albert Hammond, Jr. (The Strokes), Desmond Child, Young M.C., Dolly Parton, and the list goes on. Ted was kind

Golden Age Project COMP-54 Compressor $399.99 The Golden Age COMP-54 is a one-channel vintage-style compressor. The signal path uses only discrete components like resistors, capacitors and transistors. The line input and output are transformer balanced and the unit also has a third interstage transformer.The class-A circuit used in the COMP-54 is similar to the one in the classic 2254 compressor thatwas designed in 1969. It quickly became a legend due to it´s totally unique sound character that is warm, smooth, sweet and musical. These characteristics have been heard on countless recordings through the years and it is a versatile sound that works very well on most sound sources and in most genres. The essence of this sound is now available at a surprisingly low cost, making it available to nearly everyone.The COMP-54 uses a diode bridge as the gain control element, a method that is revered for its smooth way of operation. Some of the most sought after vintage compressor designs, like the 2254, 2264, 33609, Siemens and EMI used the same basic design.The controls in the COMP-54 are very flexible covering broad ranges of Ratio, Attack and Release times, including two Auto positions. All controls except the Gain make-up one are stepped for easy resetting and stereo matching.There are three selectable sidechain high pass filter frequencies available to handle special situations.The Bypass switch is a true bypass where a relay switches the complete circuitry in or out. The IN/OUT switch makes it possible to switch the compression on and off while retaining the coloring from the transformers and the electronic circuitry.The meter can show output level or gain reduction. It is also possible to link two units for stereo operation.About Golden Age ProjectAffordable vintage-style recording equipmentGolden Age Music is a Swedish company with almost 20 years of experience in the high-end audio field. Golden Age Project started as a small complementary business to Golden Age Music's huge catalogue of high-end audio gear. Golden Age wanted to reach out to everyone interested in vintage style audio recording, not just the pro clique. GA thought that with the knowledge of their technical crew and long-time experience in the field, they could create a brand of affordable mics and outboard for everyone!Vintage-style electronicsBased on classic diode-bridge designsTransformer-balanced I/OTransformer upgrade (Carnhill) availableFlexible control of Ratio, Attack and ReleaseStepped controls (except Gain make-up) for repeatabilityThree selectable Sidechain filter frequenciesSeparate Bypass and Compression In/Out switchesMeter selectable for Output and Gain ReductionLink two units for stereo operationSeparate input/output XLR and TRS jacks for flexible connectionBack-panel switch for 600 ohm termination.External power power supply to avoid interaction with the audio circuitry and transformers.Great sound that suits most sound sources and genresSolid build quality that will last through years of use

Golden Age Project Comp-54 Compressor $399.99 The Golden Age COMP-54 is a one-channel vintage-style compressor. The signal path uses only discrete components like resistors, capacitors and transistors. The line input and output are transformer balanced and the unit also has a third interstage transformer.The class-A circuit used in the COMP-54 is similar to the one in the classic 2254 compressor thatwas designed in 1969. It quickly became a legend due to its totally unique sound character that is warm, smooth, sweet and musical. These characteristics have been heard on countless recordings through the years and it is a versatile sound that works very well on most sound sources and in most genres. The essence of this sound is now available at a surprisingly low cost, making it available to nearly everyone.The COMP-54 uses a diode bridge as the gain control element, a method that is revered for its smooth way of operation. Some of the most sought after vintage compressor designs, like the 2254, 2264, 33609, Siemens and EMI used the same basic design.The controls in the COMP-54 are very flexible covering broad ranges of Ratio, Attack and Release times, including two Auto positions. All controls except the Gain make-up one are stepped for easy resetting and stereo matching.There are three selectable sidechain high pass filter frequencies available to handle special situations.The Bypass switch is a true bypass where a relay switches the complete circuitry in or out. The IN/OUT switch makes it possible to switch the compression on and off while retaining the coloring from the transformers and the electronic circuitry.The meter can show output level or gain reduction. It is also possible to link two units for stereo operation.About Golden Age ProjectAffordable vintage-style recording equipmentGolden Age Music is a Swedish company with almost 20 years of experience in the high-end audio field. Golden Age Project started as a small complementary business to Golden Age Music's huge catalogue of high-end audio gear. Golden Age wanted to reach out to everyone interested in vintage style audio recording, not just the pro clique. GA thought that with the knowledge of their technical crew and long-time experience in the field, they could create a brand of affordable mics and outboard for everyone!Vintage-style electronicsBased on classic diode-bridge designsTransformer-balanced I/OTransformer upgrade (Carnhill) availableFlexible control of Ratio, Attack and ReleaseStepped controls (except Gain make-up) for repeatabilityThree selectable Sidechain filter frequenciesSeparate Bypass and Compression In/Out switchesMeter selectable for Output and Gain ReductionLink two units for stereo operationSeparate input/output XLR and TRS jacks for flexible connectionBack-panel switch for 600 ohm termination.External power power supply to avoid interaction with the audio circuitry and transformers.Great sound that suits most sound sources and genresSolid build quality that will last through years of use

Aphex Punch Factory Optical Compressor Effects Pedal $199 The Punch Factory takes Aphex's legendary optical technology - normally only found in expensive rack-mounted studio gear - and puts it at your feet and into your live performance. It's one of the most transparent, uncolored compressions you can find at any price.Punch Factory levels out volume peaks and dips, maintaining a consistent level within your mix. Quiet passages no longer get lost, and louder passages don't overpower. All without the pumping, "breathing" artifacts commonly found in most compressor pedals. The new Punch Factory has something that most other optical compressors don't havea Ratio Control. This allows changing the amount of compression without overtly affecting the level.If you're familiar with the sound of a high-quality studio compressor, you'll know what to expect from the Punch Factory.Aphex Optical ElementThe optical element used in the Punch Factory is engineered by Aphex to provide unique characteristics that are ideal for musical instrument compression - few other optical compressors sound this good because Aphex doesn't settle for off-the-shelf, conventional optical elements.Benefits for Your ToneWhen used well, a proper compressor will extend the sensitivity of an instrument, bringing up the tonal nuances that contain the sensuality of your music. That goes just as well for basses as guitars. Your music will be more consistent, filling the volume envelope more fatly, making the track stand out better in a mix. Similarly, in live music, you will fill better and your playing will be more apparent among the band.SustainTypically, compression gathers more sustain. When you play, you hear the notes last longer because the compressor keeps raising the level automatically until it runs out of gain. Every time you hit a chord or note, the compressor "attacks" on the sound envelope and reduces its volume, then the volume "releases" back up as the sound dies out.PunchConventional compressors attack at different rates. Too fast an attack will suck the life out of your music while too slow loses effectiveness. The Aphex Punch Factory has a complex attack characteristic that adapts to the sound, letting it emerge enhanced, or subtly exaggerated. This creates "Punch", aiding the articulation of the sound and creating a lush and full sound.Ideal for musical instrument compressionExtends sensitivity, bringing up tonal nuancesIncreases sustainAdds punch and articulationCreates a more lush and full sound

Tube-Tech LCA 2B 2-Channel Compressor and Limiter $4176.9 The two-channel Tube-Tech LCA-2B offers all-tube compression with the added flexibility an independent compressor and limiter per channel. It's perfect for drum overheads, stereo room mics, stereo guitar, bus compression, and just about any other stereo source you have in mind. You also have the option of inputting two mono sources, compressing on one while limiting on the other. Tube-Tech LCA 2B Compressor/Limiter, First Take:All tube, 2-channel with independent compressor and limiter per channel6 attack/release presets and manual controlMulti-unit link modeIndependent Compressor/LimiterThe rackmount Tube-Tech LCA 2B is a two-channel unit with an independent compressor and limiter per channel. The unit is all-tube based (except for the power supply and sidechain circuit). Output gain control is placed between the VCA and output stage. The VCA (1 dual triode) is placed between the input transformer and the output stage (2 dual triodes). The audio signal is picked up after the VCA and fed to the sidechain circuit.Six Presets and Manual Control The stereo compressor has six attack/release presets as well as manual control. The limiter attack/release is fixed and equipped with an on/off switch. The LED display is fed from the control amp. The limiter LED is fed from the limiter buffer. The audio path is fully symmetrical from input to output. Input and output have fully floating transformers. All DC voltages are stabilized, except the anode voltage for the output stage, which is only filtered.Link ModeThe control signal from the compressor and limiter is combined and sent to the link switch and to the control amp, which feeds the VCA. The bi-directional link busses are accessible at two 1/4" stereo jack sockets on the rear panel. The channels can be linked together for stereo applications and also linked to other LCA 2B's via the two link busses and a standard stereo jack/jack cord. A switch (Link 1, Link 2) on the front panel selects which compressors are interconnected, and on which bus they are connected. If you select Link 1 on both channels, they will perform the same gain reduction. With several LCA 2B compressors in a rack, you can select which ones will work together. For example, by selecting LCA 2B #1, Ch. 1 on link 1; LCA 2B #2, Ch. 2 on link 1, and LCA 2B #3, Ch. 1 on link 1, they are now interconnected and will all act with the same compression. By interconnecting them in this fashion the unit that performs the most compression controls the others. It is also possible to have all the interconnected compressors control each other simultaneously.About Tube-TechFor over twenty years, Tube Tech has been one of the most prominent names in all-tube signal processing equipment. You'll find their gear in the best recording and mastering studios around the world. The company's founder, John Petersen is an electrical engineer who was factory trained at Solid State Logic, EMT, Studer, Sony, Neumann, and NTP Electonik (digital audio routers). He a