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build-a-motorcycle-frame-jig-01 Sinatra had suffered from senile dementia and had build a motorcycle frame jig 01 no public appearances following a heart attack in January of He would rarely make a sketch or jot down notes The first issue sold out within a few weeks. Horn players imitate the human voice with mutes and growls. For many these features are not important and the KBAC is the simplest way to go. The popularity of guitar grows throughout Europe. The rest is history.

Newton demonstrated that the motions of objects on earth and celestial bodies are governed by the same set of natural laws. This removed remaining doubts about heliocentrism see and set the stage for advances in the scientific view of the physical universe for the next three centuries. He had been an apprentice to Nicolo Amati, and created some of the most treasured violins in history during his golden period — and As a luthier, he fashioned many different types of instruments, including a very small number of guitars between and Surviving examples are maple backed and have ebony fretboards and inlays and a scale length of 74 cm.

He is said to have built or collaborated on more than 1, instruments total. Approximately instruments survive today. He is noted for various innovations in harpsichord construction and especially for the invention of the piano. Nor is it to be denied that after the pinching way, the ghittar makes some good work. The mechanical action had hammers that tapped the heavy string courses and a shift so the hammer would play only one of the two strings for lower volume.

The idea was not immediately popular in Italy. Harpsichord players found the touch difficult to master and were not comfortable with the unfamiliar tone. While still tightly linked to the court culture and absolutism, with its formality and emphasis on order and hierarchy, the new style was cleaner, and favored a clearer division between parts, brighter contrasts and colors, and simplicity rather than complexity.

This taste for structural clarity worked its way into the world of music, moving away from the layered polyphony of the Baroque period, towards a style where a melody over a subordinate harmony — a combination called homophony — was preferred.

This meant that the playing of chords, even if they interrupted the melodic smoothness of a single part, became a much more prevalent feature of music. This, in turn, made the tonal structure of works more audible.

Changes in the economic and in social structure also moved the new style forward. As the 18th century progressed, the nobility became the primary patrons of instrumental music, and there was a rise in the public taste for comic opera. This led to changes in the way music was performed, the most crucial of which was the move to standard instrumental groups and the reduction in the importance of the continuo — the harmonic fill beneath the music, often played by several instruments.

One way to trace this decline of the continuo and its figured chords is to examine the decline of the term obbligato meaning a mandatory instrumental part in a work of chamber music.

By , the term was virtually extinct. Beethoven is also sometimes regarded either as a Romantic composer or a composer who was part of the transition to the Romantic; Franz Schubert is also something of a transitional figure. Bach tried one of his pianos but did not like the heavy touch and weak treble. Serious works for the guitar were few and far between during the rise of the new piano and the Classical Period. The guitar assumed the role of an instrument of polite society for the amorous and frivolous.

The piece is enthusiastically received. Bach dies. Many view this as the end of the Baroque Period. The popularity of guitar grows throughout Europe. He is viewed by many as the most influential figure in the transitional period between the Classical and Romantic eras in Western music. He studied under Joseph Haydn and gained a reputation as a virtuoso pianist as a young man. His hearing began to deteriorate in the late s, and yet he continued to perform, conduct and compose even after becoming completely deaf.

The Vinaccia family of luthiers is known for developing the mandolin. This guitar has been examined and does not show telltale signs of modifications from a double-course guitar. The authenticity of guitars allegedly produced before the s is often in question. The movement was led by the French and the Italians. Spain, for the most part, continued with 6-course instruments.

The absolute French monarchy with feudal privileges for the aristocracy and Catholic Clergy was violently overthrown and replaced with a government formed under the Enlightenment and based on principals of citizenship and inalienable rights. The transition was not smooth. Following the French Revolution, property confiscated from the aristocracy by the Committee for the Public Safety included dozens of guitars.

To many, this marks the beginning of the Romantic Period. On February 12th, Abraham Lincoln was also born. In the morning, as the smoke cleared, he saw the American flag still waving. The new arrangement was especially appropriate to the patriotic fervor of the time and became widely popular.

This was a period of political and intellectual upheaval. Science and art flourished. Romantic Music refers to the theory, compositional practice, and canon in European music history, from about to It is more appropriate to describe romanticism as the expansion of formal structures within a composition, making the pieces more emotionally expressive. Because of the particular use of these elements of form, key, instrumentation, etc.

For example, Beethoven favored a smooth transition from the 3rd to 4th movement in his symphonies, and therefore his pieces are easier to identify. This made public performance possible. His modest storefront housed limited guitar production in the back room and retail space selling everything from cornets to sheet music.

Samuel Colt perfected the 1st handgun with a revolving cylinder: the legendary 6-shooter. April 24th, a patent for the 1st soda fountain machine. December 3rd: Oberlin College Ohio was founded — the 1st American co-educational college and later, the 1st American college to advocate the abolition of slavery and accept black men and women on equal terms with whites.

This is the version most often sung today. The original lyrics grew from a collaboration between minister John Newton and poet William Cowper, also a born-again Christian. It was defended by Texans including James Bowie, Col. William B. Travis and Tennessean Davy Crocket. He placed emphasis on the action of the soundboard in producing volume and tone.

To improve the instrument he enlarged the body and refined a pattern of fan bracing still used today. His preferred scale length was cm. Many of his improvements are considered the standards of the classical guitar today.

His innovations resulted in the formation of the Spanish School of Guitar Making whose membership included the most important luthiers of the late 19th century, including the Ramirez family. Martin, Sr. The New York Philharmonic was founded, now the oldest orchestra in the U. Originally known as The Philharmonic Society of New York some feel that actual date of establishment is One year later, bathtubs were still prohibited in Boston except when prescribed by a physician.

Later popularized in arrangements by Aaron Copland Martin introduces the 0 model. This made tall buildings and skyscrapers possible. This also made truss rods possible. It was a seminal work in scientific literature and arguably the pivotal work in evolutionary biology. The sixth edition of shortened the title to The Origin of Species.

It introduced the theory that populations evolve over the course of generations through a process of natural selection. John Brown at Fort Warren in Boston. His songs, such as Oh! This was followed in by the 5 cent nickel — , quarter dollar, half dollar, silver dollar and gold dollars.

An law allowed the motto to be used on all coins. In , the use of the motto was permitted, but not required. While several laws came into play, the act of May 18th, is most often cited as requiring the motto even though the cent and nickel were excluded from that law, and the nickel did not have the motto added until Since , all coins have borne the motto.

The Civil War had officially ended. Booth hoped to create chaos and overthrow the Federal government. Although Booth succeeded in killing Lincoln, the larger plot failed. As the retail gateway to the west and mail-order capitol of the world, musical instrument manufacturers and distributors were seriously affected. Many never recovered. Those that survived grew stronger. He was a musical prodigy, guitar virtuoso and composer of numerous timeless pieces for guitar.

His groundbreaking playing and performance techniques propelled the popularity of the classical guitar forward and inspired equal leaps in instrument design. Sales records of the 00 guitar begin to appear on the books. Three different versions of pianos that played themselves were demonstrated at the Philadelphia Exposition. They would eventually become player pianos. It had two diaphragm-and-needle units; one for recording, and one for playback.

He could speak into a reverse horn and the sound vibrations were then impressed into delicate tin foil wrapped on a metal cylinder by a recording needle in vertical grooves. The hand cranked phonograph is demonstrated by Edison on November 29th, The phonograph will eventually allow the spread of popular music. The Academy represented the highest social circle in New York society and the board of directors resisted admitting members of new wealthy families into their inner circle.

The initial group of subscribers included the Morgan, Roosevelt, Astor and Vanderbilt families. Their creation, The Metropolitan Opera, has outlasted the Academy. Higginson would run the Orchestra for almost 40 years. Yiddish theater begins its period of greatest popularity and influence. The strings are melodically picked and stopped by a metal bar, with the guitar held across the lap. The Berne Convention, the international agreement on copyrights, is signed.

The United States does not sign the agreement until Gibson at 34 years old, settled in Kalamazoo, Michigan and took up the hobby of making musical instruments. Horse drawn carriages lined the streets for a quarter mile and inside the Music Hall was a capacity crowd. At the end of the 19th Century the classical guitar had lost popularity but was re-introduced to the world by Francisco Tarrega, who began the tradition adopted by almost all classical guitarists of today by using the finger-nails to pick the strings.

The event was conceived and promoted by James B. Upham as a campaign to instill American nationalism by selling flags to public schools and magazines to students. Bellamy was a Baptist minister and a Christian socialist. Phonographs are improving but are still a long way away from being commercial. On May 11th Orville Gibson filed for his first and only patent. The document U. Patent No. The creation of the first large Sears and Roebuck Co. This made possible nationwide distribution of all sorts of products including musical instruments by postal service.

Storyville the famed red light district of New Orleans opens. It was named after New Orleans alderman Sidney Story. The Ragtime craze is at full tilt. The first effective player piano was released to the public and heavily marketed. This would bring piano roll versions of many forms of music into American households over the next 20 years. Stark and Joplin remain friends for years.

Horn players imitate the human voice with mutes and growls. New Orleans players are playing a mix of Blues, Ragtime, brass band music, marches, Pop songs and dances.

The Jazz stew is brewing. Some musicians are beginning to improvise Pop songs. The end of the Spanish-American war has brought a surplus of used military band instruments into the port of New Orleans. Migrations from the south into Chicago, Detroit, Pittsburgh, etc. Luthier Robert Maurer decided to retire.

August Larson gathered investors Edward P. Longworthy and Joshua H. Lewis and bought the firm from Maurer. It was the beginning of the Larson Brothers instruments. Andrew Carnegie sold his industrial holdings to J. A hurricane and tidal wave hit Galveston. Texas on September 8th. The highest point of land on the island was 5 feet above sea level. There was no advance warning and the only access to the mainland was by boat.

By the time the residents and visitors knew the danger, there was no means of escape. There were so many bodies, they were taken out to sea and dumped. The bodies later washed back up onto the Galveston shores and were burned. This event became the topic of many songs over the next century. In New York City, in an August heat-wave, tensions between white Irish and black Southern immigrants flared into riots at the funeral of a white Irish plain-cloths police officer who had been cut by a black man protecting his girl-friend from harassment.

Among those beaten in the riots were Vaudevillian actor, comic, dancer and musician George Walker as he walked with a friend named Shine. The introduction to the song is needed to get the original intent of the song. He is beginning to be noticed in New Orleans as a brothel piano player. He is one of the first to play this mix forerunner of Jazz. Jelly Roll will later claim that he invented Jazz in by combining Ragtime, Quadrilles and Blues.

The phonograph has been drastically improved. Victor and Columbia emerge as leaders in the phonograph field at that time phonograph companies made records. The public started to buy phonographs and records cylinders for home use.

Adams, Samuel K. VanHorn, and Orville H. Handy has started a saxophone quartet. The saxophone was a novelty in Frank Henry Martin introduces the size guitar. This size body is made to compete with mandolins and banjos.

The company designs its first Style 45 guitar. The flight lasted 12 seconds and covered feet. Handy hears the rural blues played on a slide guitar with a knife blade as a slide by an itinerant blues guitarist in a railroad station in Tutwiler, Mississippi.

It sparks a career for him. The rest is history. A partnership is formed. New Orleans blues trumpet pioneer Buddy Bolden runs amok and is committed to the state hospital at Angola on June 5.

Buddy will spend the rest of his life there and will never be recorded. Keppard was not recorded until many years later because he was afraid of having his style stolen. Columbia produces the first two-sided disc. Blues publishing pioneer W. Handy brings saxophones into his dance band. It lasted for 48 seconds and in some areas the ground moved 20 feet.

All civil services were destroyed or heavily damaged. Wood frame, in general, held up better in earthquakes.

It also burns. Gas lines were ruptured, ignited, and fires broke out around the ruins of the city. The water lines were also ruptured, so there was little to fight the fires. The population of San Francisco at the time was approximately , Florenz Ziegfeld expanded the notion of Vaudeville stage shows to new heights by his elaborate productions known as The Ziegfeld Follies. It was the beginning of a career of more than 5, concerts around the globe and vastly increasing the body of works available for the classical guitar.

Chris J. Knutsen developed a new idea, different from his harp guitars: Hawaiian style lap steel guitars that were played with a slide.

These were swept-up in Hawaii and presented to the American public in the Panama-Pacific International Exposition in A new market and style of playing swept the nation. The first non-American Ragtime sheet music appears in London, England. English musician Vic Filmer begins playing Rags. American black music begins to gain appeal in Europe.

The Fox Trot dance craze begins. Ragtime was so popular that it eventually replaced the ballad as Tin Pan Alleys most marketable product. In January, radio pioneer Lee De Forest experimented with radio by broadcasting two live performances from the stage of the New York Metropolitan Opera with an erratic signal, that could reportedly be heard as far away as Newark, New Jersey.

Music Radio was born. March 25th: Jewish and Italian immigrant women were killed in a fire at the Triangle Shirtwaist Co. They were locked in to prevent them from leaving work early. The first traffic lines were painted on a road by hand near Trenton, Michigan. The sinking resulted in the deaths of over 1, people, making it one of the most costly in terms of lives peacetime maritime disasters in history.

Classic Blues singer Bessie Smith begins work as a dancer in a vaudeville show. Louis Armstrong forms a vocal quartet with some of his boyhood friends in New Orleans. The stride pianists are still playing Ragtime as the New Orleans players did a generation before.

So we will see an interesting evolution in their playing over the next few years that parallels the beginning of Jazz in New Orleans. British musician Vic Filmer brings Ragtime to Paris. An exhibition of avant-garde post-impressionist works was viewed at the 69th Regiment Armory in New York City.

The works included Gauguin, Picasso, Duchamp, and others. The public was generally confused. World War I begins on July 28th. There is a major impetus around this time for the Europeanization of the Blues. Up until now the Blues form varied between Eventually, a 12 bar form based on the chord progression what we know as the Blues today will become standard.

This occurred for three reasons: 1 appealed to whites, 2 solved problems understanding, playing and notating the Blues 3 established harmonies and a form for band members to work with. RCA offers to record Freddie Keppard.

He turns them down and misses the chance to be the first Jazz performer to record because he is afraid that his style will be copied. Storyville was shut down during World War I, sending the Jazz musicians up the Mississippi River in search of employment. The first traffic light in the nation was installed in Cleveland Ohio on August 5th. Epaminondas Strathopoulo takes charge of Epiphone — the House of Strathopoulo. Thomas A. Watson, come here, I want you. He was in San Francisco to inaugurate the 1st transcontinental telephone service.

He will work with Tony Jackson and then Freddie Keppard there. Martin uke production takes off as the ukulele boom begins. Martin also begins to design and build for Oliver Ditson Co. The first classical guitar performance in a Concert Hall. Andres Segovia performs at Ateneo in Madrid. Before this, no one believed that the guitar had enough volume for a concert venue. Many black bands of the time were probably producing far more authentic and better music.

Never the less, the Jazz Age begins. Trumpeter Freddie Keppard had refused the chance to make the first Jazz record because he feared that his style would be copied. It can be thought of as an impressionistic view of these forms, just as Impressionistic painting gives a novel view of what we normally see.

World War I ends on November 11th. On August 21st, at am, Orville H. Gibson died of a disease diagnosed as chronic endocarditis. In this year, 70 blacks are killed by KKK mobs. More than ten of these are soldiers still in uniform. James Reese Europe and his band known as the th U. They have words because Wright thinks that Europe is treating him unfairly. Europe bleeds to death. Innovative guitarist Charlie Christian is born in Dallas, Texas. His father is a blind guitarist.

The 18th Amendment was ratified on January 29th, , having been approved by 36 states, and went into effect as Federal law on January 29th, In many respects, prohibition had the opposite of its intended effect.

For example, before prohibition, few, if any women drank in bars. However, women were very likely to drink in speakeasies. Prohibition indirectly helped the cause and image of Jazz. This kicks off the Classic Blues craze of the s. Over forty prominent New Orleans Jazzmen have moved to Chicago. Somebody discovers that the New York brownstone basement being narrow and running from the main street to back alley is well suited to use as a speakeasy.

In time, the cellars of New York City will become riddled with speakeasies providing numerous opportunities for Jazz musicians. The cabaret business begins in New York. This will eventually be the cause of the shift of Jazz from Build A Bee Frame Jig Up Chicago to New York. This year marks the beginning of an age of great interest in black arts and music Jazz. The young future Bop players are being born.

They will be raised in an era that will allow them to rebel. Thus, Bop will begin in about twenty years. James P. At any rate, Johnson becomes the pioneer of stride piano with these recordings.

Paul Whiteman controls twenty-eight bands on the east coast. The spring-wound talking machine with pre-electrical, no-fidelity sound was established and probably the most popular of the home entertainment devices; the best selling makes were the Victrola and the Graphanola. He helps redesign and refine the Gibson carved archtop instruments to help increase lagging sales. His designs have become the standards to which all other carved instruments strive. He developed the F series mandolins and the L series guitars including the Gibson F-5 mandolin and the Gibson L-5 guitar that has become the most sought after collection instruments of the century.

Ironically, his work was ahead of its time and was not immediately understood or appreciated. Gibson sales did not immediately rise. Comedian Ed Wynn is responsible for creating the first studio audience when he refuses to perform without an audience watching. Lloyd Loar began working on experimental electrostatic pickups at Gibson as a means to amplify the guitar and make it louder and more suitable as a competitor to the banjo for rhythm and increase its potential as a solo instrument.

Ellington makes his first recording on a cylinder — acoustic recording still most used. A Theater Owners Booking Association circuit for almost a quarter-century.

Harmony became the largest producer of musical instruments in the US with over , units. This is the band that will be the model for the swing bands of the next decade. This paved the way for more modern forms of Jazz. Charlie Parker as a child growing up in K.

Lloyd Loar leaves Gibson Musical Instruments to start his own company. Rhapsody in Blue, by George Gershwin, was performed for the 1st time. Gershwin was the piano soloist accompanied by the Paul Whiteman Orchestra. The National Life and Accident Insurance Company in Nashville, Tennessee, installed a radio station on the 5th floor of their downtown Nashville office building. Blind Lemon Jefferson recorded over eighty blues tunes between and and was generally responsible for the surge of popularity in the country blues in this period.

One of their discoveries was Blind Blake, a swinging, sophisticated guitarist whose warm relaxed voice was a far cry from harsh country blues. Charlie Poole developed a three-fingered banjo playing technique after a baseball accident injured his right hand. This technique influenced many banjo players and would later be perfected by Earl Scruggs.

In July, Tennessee legislators made it unlawful to teach anything but creationism. John Scopes, a high school teacher in Dayton, decided to test the law. Henry Ford introduced the 8-hour workday and the 5-day workweek. This was in reaction to the depressed auto industry. Other industrialists were afraid of the precedent but the AFL welcomed the move as a means of controlling overproduction and reducing unemployment.

Charles A. Lindbergh flies a Ryan monoplane — named Spirit of St. Louis — on the first solo transatlantic flight and first non-stop fixed-wing aircraft flight between America and mainland Europe on May 20th — May 21st. The flight was 3, nautical miles 6, km , from Long Island to Paris, in The flight was timed by the Longines watch company.

Americans will buy more than ,, phonograph records during this year. He is now setting whole phrases ahead of or behind the beat, not just pulling single notes. This will set the stage for Swing. Armstrong is now Build A Motorcycle Frame Jig Essay a star and because of him, New Orleans style ensemble playing is disappearing and is being replaced by Chicago and New York-style solos. In short, Jazz is becoming a soloist art primarily because of Armstrong.

Bing Crosby joins the Paul Whiteman band. They took the names of everybody that was caught with alcohol. They had already closed a number of the South Side black-and-tans. Chicago would soon fall as the Jazz capital. John Dopyera invented the resonator guitar in an effort to increase the volume of the 6 stringed instruments to better compete with banjos for the rhythm sections of bands. The partnership only lasted until The first signature series guitar was instigated by the Gibson Company for Nick Lucas — a popular singer and musician of the day.

He lives in a caravan near a cemetery. His wife sells silk flowers to support them. One night, Django is trying to remove a rat and he catches the flowers on fire with a candle. He burns his legs and his left hand badly saving his wife. His left hand never completely healed with two fingers partially paralyzed. He nevertheless became a great guitarist in months.

Walt Disney released the 1st Mickey Mouse silent film Plane Crazy , and later the same year, Steamboat Willy , the first animated cartoon with sound. His fiery and romantic performance touched the hearts and imaginations of the public and led to five more sold-out New York City performances and then an equally successful tour of 25 American cities.

Hundreds of young musicians were inspired to take up the versatile and expressive instrument. Martin introduces the OM sized and scaled flat-top guitar. Martin also introduced the first 14 fret neck-body intersection.

On March 5th, in the early morning, Eddie Condon suggests to Tommy Rockwell producer of the Hot Fives and Sevens that he take the opportunity to record Armstrong with some of the superb musicians who have gathered to honor Armstrong.

Rockwell is concerned about a mixed group but goes ahead anyway. Duke Ellington appears in a short called Black and Tan. Ellington is portrayed as a handsome, elegant, hard-working composer even though the subject matter is degrading. Memphis Minnie signed with Columbia records. Harmony musical instruments sold over , units. Although the song has four stanzas, only the first is commonly used today.

Adolph Rickenbacher later spelled Rickenbacker produces a working prototype of the electric guitar. The vibration of the strings over a coil of wire wrapped around a magnet created a current that could be electrically amplified. Martin starts selling Dreadnaught sized flat-top guitars under its own name. They had been making them for Ditson since The broadcast series came about in the early years of the Great Depression to help the financially endangered Metropolitan Opera by attempting to enlarge its audience and support through national exposure on network radio.

These allowed the production of economical built-in power supplies that could be plugged into wall sockets. The design was developed by Western Electric and made available to the public. The earlier vacuum tube amplification designs required heavy multiple battery packs. Electronic amplification of guitar was first widely popularized by the s and s craze for Hawaiian music, to amplify the popular lap steel Hawaiian guitar.

In France, classical guitarist Mario Maccaferri developed a new guitar design to increase volume. With the help of the Selmer Company, the instruments went public. They had an internal resonator, steel reinforced neck and cut-a-way. The design worked and the acoustic guitar was capable of becoming a lead instrument. Is it possible that your lock downs are not dead center on the tool arm when you tighten them?

If the arm tilts to the right clockwise when tightening, add a shim to the top left of the tool arm. I would think some 20 thou alum and JB weld would do the trick. Just make sure the surfaces are very clean. Let me know how it goes. I'd love to see a photo. I can post it over on the Gallery of Builds.

Hi, Just email them it to me at this address. Thanks for posting all this info. I built my own from the basics of your design, but the 2"x2"x. I went back and bought two 12"x10". I drilled holes in the plates and plug welded the bars in place. Worked really well, no real clean up required. I did three potential tool holder slots I wanted to option for a low tool rest and the grinder works well. Thanks again for the blog, it was of great help. Hi Trent, Yes it's important to use the 0.

I am glad you came up with a solution. Hi, I am a amateur knife maker with a low budget. I already have a motor, stepped pulleys, and wheels with a drive wheel.

Do you mind telling me how much the grinder cost without those Items? I will need a tool rest, flat platen and a small wheel. Thanks so much, this is the most informative website yet. Skateboard wheels will work fine as ilder wheels.

I'd recommend getting good bearings, and remember the smaller the wheel, the faster it goes and the faster its bearings will go. Hi Sachi, The costs will entirely depend on how handy you are and how you source your materials.

I bought the wheel set which included the two 2" flat wheels for the platen. Oregon Blade Maker sells the platen and wheels as as set if you wanted to go that way. Happy Holidays, Dan. I bought the same pulleys from oregon blade like a bunch of others the all aluminum ones including the 4 inch Aluminum drive wheeel but the belt just sits on the spinning drive gear pulley any Suggestions?

Also do you use washers between your bolt pulleys and the nuts that tighten to them? Thanks in Advance. Hi, The drive wheel needs to be set to the drive shaft or motor shaft with a section of key stock and the setscrew. This locks the drive wheel to the shaft.

For the idler wheels, I used flat washers that are similar outside diameter to the inner race, but not too large as to contact the outer race of the bearings. Hope this helps, Dan. Hey Dan, one more stupid question. I have a motor in which the drive shaft is stepped down in size and not slotted. Is there a way to make this work for the drive wheel? Drive wheels are bored to fit these common shaft sizes.

I have made a wheel from MDF to fit a pump motor with a weird shaft. It can be done. If I could see a photo of it I could better say. I do have a pic of it, and if it's ok, I'll email it to you. I haven't found one as of yet, however. I wonder if you could shim the 0. You'd still need to lock it down. Do you know what the motor was originally from? Hi Dan, Just finished building my grinder following your excellent article.

All works but having problems getting rid of the slop in the vertical sliding pillar even though packed out. I guess I need to pack more until it still slides but has no lateral movement.

Thank you for sharing your ideas. Paul UK. Hi Paul, I used some strips from an oil jug. They are about 0. I put them on the right and rear faces of the pillar. This provides some sliding action but limits the slop.

As long as it doesn't move when the belt is under tension you should be good. Hi i was wondering how did u put the spring inside the tube. The spring I used was close to the inside dimensions of the tubing. I just dropped the spring in and put the tracking pillar down to press on it. Note the bottom of the tracking pillar has a welded flat. Otherwise the spring might go inside of it. I have downloaded the CAD file for the wheels. Saddly the only parts in 3D are the bearings.

The whole rest is only available in 2D. Could you send me a propper CAD file of the wheels? Hi Dan, Thank you for sharing this tutorial. It is a great help, building my own grinder. This way the wheels and belt can be away from the plate a safe distance. I have enjoyed watching the build and plan to do my own soon. I'm a little unsure why you built the frame with the two square tube horizontal members on the frame. Since you seem to be using the top tube only to hold the support for the platen arm, is there a reason for the lower horizontal tube?

Dan, I'm in the middle of the build and am about to mount the motor and have a question. Also is there a way to make absolutely sure you have all the wheels aligned to make the tracking work?

I know the tracking assembly is there but it has to be somewhat close. Any hints or am I worrying to much? The motor has up and back adjustments but no side to side. Dan Thanks for the info and great instructions. I am about to mount the motor to the plate and I am not sure I understand how to do it. If I drill holes and put bolts all the way through, the heads will be on the bottom and keep the plate from sitting flat on the table.

If I weld them on the heads will make the motor sit above the plate. Thanks in advance for the help. You could also tack weld the heads down to the base and slide the washer over them at that point.

Hi Ed, See answer below. Sorry we got two questions as I screen them to prevent spammers from posting garbage. To check the wheels before running, I used a piece of construction string with a weight tied to it. I laid a straight edge on the right side of the wheels and let the string fall.

The string should point in a line down to the straight edge. I did the same from the top wheel to the bottom wheel on the platen. If need be you can add a washer or two.

It doesn't have to be super accurate to run fairly true. On washer here or there can compensate for construction issues, slight out of square etc. For me having a crowned drive wheel and a crowned tracking wheel meant having to tweak the motor until the belt was running nice and straight.

Having slightly undersized mounting bolts means you can rotate the motor a little bit. If the other axis needs a tweak, adding one or two washers to the left side of the motor mount can tilt the shaft up and down. Hope this helps. Hi Julian, I use the lower receiver for an adjustable work rest. Others put an adjustable work light in there. In another build I have seen a sliding clamp for surface grinding against the contact wheel.

Short answer, future proofing. Hi, Dan- First, a huge Thank you! You're not only a source of information, you're also a source of inspiration and confidence. Your grinder design is adamant to say "use 2 in.

OD square tube with 0. Since the nesting tube is 1. OD the 0. I recommend the seam weld be removed and made as smooth as possible. This should be done ideally before welding takes place. That is: 2" - 0. When using a 1. Distributed, you will have. I hope this helps. Dan Got the grinder built and it works!

Couldn't have done it without the help and instructions from your page. Keep turning out great stuff! I do have a question I was hoping you might be able to help with. I have a spring in the tension arm and does what it is supposed to. Where I have the grinder mounted it is kind of a pain to push down on the ball on top for belt changes. It is not because the spring is too stiff although it is a little stiff it is that I have a shelf right above the ball.

I am trying to figure out a way to make it easier to push the tension arm down. I have room to the motor side and forward. I like the way some grinders use a lever arm but that won't work for ours. Any suggestions? I didn't follow the instructions like I should have and I need to make some "springs" to push the inner tubes to the sides of the outer tubes.

I should have read closer! Hi Ed, I have access to the belt side of the grinder so it's not a big effort to press down to release the belt. I know a guy who added a small cam like lever that pulls down on with little effort. I'll see if I can get him to provide some details and I'll post it here. Thanks for your input. Excellent build instructions. I'm curious, now that you've been using this for quite a while, how have the wheels you chose held up?

One can run a groove down the center of the sq tubing, rather than removing the weld from inside the receiver. Thank you for the time and effort invested in this site! Kenuto O. Hi Dan I have made a smaller version of your grinder thank you so much for the plans My machine is running ok with a few issues one is chatter when touching material against the platten particularly with fine grit belts is this normal?

The other is the belt moving a out 1mm left and right whilst running I think this is maybe tension or misalignment do I have any advice thank you in advance. I have the exact setting vfd do I have any advice for some of the advance settings Cheers Craig. Hi Craig, The belt seams will "clack", especially with J weight belts. The flat platen is very hard compared to a contact wheel. Generally I use J flex belts in the slack belt mode for finishing handles and what-not.

With a rubber faced contact wheel this is less of an issue as it has some "give. That is, not wobbling side to side when it rolls around. This can occur when people create a crown by wrapping tape around a flat wheel. If the belt is a little loose, it doesn't always want to stay on the ridge of of the tracking wheel. Recommended 30 to 40 lbs 15 to 20 kg spring. The belt should make a "toooong" sound like a bass guitar string when plucked. If trying a different belt solves the problem, then you've nailed it.

In my experience after checking 1 and 2, the belt was actually not perfectly manufactured. This allows for tracking adjustment as the belt gets up to speed. A 4 pole motor, I would set the max frequency to Hz. If your supply is 50 Hz, then you can up the max a little more to gain some extra speed. This always occurs at the expense of torque, but the finish that can be achieved with a fast moving belt is impressive. Hope this helps! Dan, Thanks very much for sharing your design and all the support materials.

I have a question about the importance of the variable speed drive. It looks like the variable speed drive is going to add quite a bit to my cost. Do you feel like this is a really important feature? What about using a step pulley arrangement to give me two speeds. I don't have much experience using a small belt grinder so I don't know which are the most important design features. Hi Tom, A stepped pulley setup will work fine.

However it does come with a few trade-offs. The countershaft and pulleys can be a source of unwanted vibration and the belt and bearings will take some power away from the belt. If you have 1.

If you have 0. V belts are notoriously inefficient. One of the main reasons for having variable speed is to slow the belt down when using small wheels. A fixed speed grinder will do many things well, especially if the belt is moving at surface feet per minute or more. So if you don't have a small wheel set, then go for a direct drive fixed speed setup that generates adequate belt speed.

Hi Dan Thanks for all the info on your page! I have built a belt grinder following your plans. I used a 3 hp single phase motor. My spring was a little longer than yours so I shortened the tracking pillar just a bit.

My problem is that it throws the belt as soon as I start the motor no matter where I have the tracking wheel set. I have tried many different configurations of spacers to even moving the motor mounts to different angles to the main frame. Still nothing works. Looking for any help u might be able to offer! Thanks J from Montana.

Hi J, Can you take a photo of the line looking at the belt from the front of the grinder? Email it to me at knives dcknives. More often it's the motor orientation or the spring tension is lower than ideal.

Hey Dan, I'm getting ready to build my first grinder, and my question is: how critical is the thickness of the 1. I am having a problem getting. I've started building this because I like the simplicity of your design. There is a lot of play in between the 1. I'm guessing it's suppose to be like that and the lock-down screws keep everything pretty rigid.

You mention that in that main column you ended up putting some shims to increase rigidity. So is there any need to remove the weld seam? Also, wouldn't it have been better to use something slightly thicker than 0. Hi Danny, Correct. There will be approximately 0. Many make the mistake of getting 0. Also Yes. You can avoid removing the weld seam on the tool arm receivers if you have your lock downs on the same side as the seam. However, I would recommend removing the weld seam from the vertical receiver, or add two bolts same idea as the tool lockdowns and snug them against the pillar then back them off until the pillar slides up and down easily.

Have enough threads on the bolt to add a nut for locking the bolt in place once you have adjusted the play the way you want it. I'd still use some graphite powder in the vertical. Thanks for stopping by! All the DIY Belt Grinders I have seen so far have a trapezoid wheel location like here, with the lower back wheel being the powered one. I'm in the planning phase of building my own Belt Grinder and the later version would be much more convenient in my situation Dan, Thanks for providing such detail on how to construct a 2X72 grinder.

I am new to this and have several question: 1. What is the screw welded to part C used for? Is this for attaching ground? Or is this welded to part D in your diagram? Part J - how was the angle cut and measured on the 3x12 0. Once again, I am a newbie trying to figure things out. Thanks in advance. Hi, The bolt attached at to the belt side of the vertical receiver is for attachment of an optional anti-static discharge brush.

This brush can greatly reduce static buildup on the belt and shocks to the operator. It acts like a pivot point. It's better to have this on before paint then having to retrofit later. I cut the tracking hinge with a bandsaw. The angle is not critical and some people leave theirs as rectangles. As long as the back is cut out and it clears the pillar and can move.

If you have any more questions, just let us know. Hi dan, I live in Australia and am having issues finding steel in the sizes you mention. I don't know if I'm converting the inches to mm wrong or if Australia just makes steel to different sizes. Hi, Yes, you'll have metric steel sizes. Thanks mate, Got the steel today, in the updated drawings you did in march you have some schedule 40 pipe welded on the end and I couldn't see where you mentioned what that piece is for. Dan, I really appreciate you getting back to me, thanks.

Question - Is the anti-static discharge belt something I can purchase or is it easily made? Once again, thanks for all that you do.

It's for attached an optional lever to assist in pushing the pillar down when releasing the belt. Luckily the outside diameter of the bushing is a press fit into the inside of the wheel. So into the hydraulic press and it slid right in nice and tight. However the there is no keyway in the bushing, so I used a file to cut one in. Ta da! I don't think it matters if the drive wheel is up or down on the back. The motor is heavy and add stability, so lower is better.

But, in saying that, I can't see any reason why it has to be on the bottom. This year's Dezeen Awards features media categories for the first time, with awards for architecture photography, video and visualisations plus websites for studios and brands. Introducing new Dezeen Awards prizes for sustainable architecture, interiors and design!

Our three categories celebrating projects that make positive environmental and social contributions are now open for entries. Dezeen Awards is now accepting entries!

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