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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Cheap and dirty traverse for winding wire on a spool
I get flat wire on 20" x 6", 12" core wooden spools. Sometimes they are
wound poorly or I need lighter spools for a repair machine. I remember reading a post years ago about a traverse for winding. I remember it had a DC motor with a pot to adjust speed but that's about all. I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. I found that a basket weave works great for tangle problems and eliminates having to precision wind. Any ideas will be highly appreciated! |
#2
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Cheap and dirty traverse for winding wire on a spool
On 07/02/2013 10:18, Tom Gardner wrote:
I get flat wire on 20" x 6", 12" core wooden spools. Sometimes they are wound poorly or I need lighter spools for a repair machine. I remember reading a post years ago about a traverse for winding. I remember it had a DC motor with a pot to adjust speed but that's about all. I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. I found that a basket weave works great for tangle problems and eliminates having to precision wind. Any ideas will be highly appreciated! Can you get hold of a scrapped out electric golf bag buggy. 12V + geared down motor & speed control included. Just need to fit a crank & you would have what you need.Run it off any old 12V supply, battery charger etc. |
#3
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Cheap and dirty traverse for winding wire on a spool
Dennis wrote in
: On 07/02/2013 10:18, Tom Gardner wrote: I get flat wire on 20" x 6", 12" core wooden spools. Sometimes they are wound poorly or I need lighter spools for a repair machine. I remember reading a post years ago about a traverse for winding. I remember it had a DC motor with a pot to adjust speed but that's about all. I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. I found that a basket weave works great for tangle problems and eliminates having to precision wind. Any ideas will be highly appreciated! Can you get hold of a scrapped out electric golf bag buggy. 12V + geared down motor & speed control included. Just need to fit a crank & you would have what you need.Run it off any old 12V supply, battery charger etc. Car windscreen wiper mechanism? -- Ian Malcolm. London, ENGLAND. (NEWSGROUP REPLY PREFERRED) ianm[at]the[dash]malcolms[dot]freeserve[dot]co[dot]uk [at]=@, [dash]=- & [dot]=. *Warning* HTML & 32K emails -- NUL |
#4
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Cheap and dirty traverse for winding wire on a spool
Dennis fired this volley in
: Just need to fit a crank & you would have what you need.Run it off any old 12V supply, battery charger etc. For that sort of application, a crank isn't usually the best. If the reduction between spool and crank rpms is relatively large, a crank will create a reciprocating motion with substantial dwell at both ends, with a velocity that's sinusoidal in amplitude. That'll result in the wire piling up at the ends of the spool, and being shy in the middle. You need a mechanism that will reverse more or less instantly (within the limits of inertia, etc.), and for which the velocity is constant across the width of the spool, so that the winding is more uniform. It should move at an irrational ratio to the spool, and reverse in less than half a turn of the spool. If you're not up to making a dual-lead screw and toggling follower - like on a casting reel - then a cam driving the traverse arm might be the way to go. Lloyd |
#5
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Cheap and dirty traverse for winding wire on a spool
On 2/7/2013 7:03 AM, Lloyd E. Sponenburgh wrote:
Dennis fired this volley in : Just need to fit a crank & you would have what you need.Run it off any old 12V supply, battery charger etc. For that sort of application, a crank isn't usually the best. If the reduction between spool and crank rpms is relatively large, a crank will create a reciprocating motion with substantial dwell at both ends, with a velocity that's sinusoidal in amplitude. That'll result in the wire piling up at the ends of the spool, and being shy in the middle. You need a mechanism that will reverse more or less instantly (within the limits of inertia, etc.), and for which the velocity is constant across the width of the spool, so that the winding is more uniform. It should move at an irrational ratio to the spool, and reverse in less than half a turn of the spool. If you're not up to making a dual-lead screw and toggling follower - like on a casting reel - then a cam driving the traverse arm might be the way to go. Lloyd I can visualize that, good one! |
#6
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Cheap and dirty traverse for winding wire on a spool
On Thu, 07 Feb 2013 06:03:38 -0600, "Lloyd E. Sponenburgh"
lloydspinsidemindspring.com wrote: Dennis fired this volley in : Just need to fit a crank & you would have what you need.Run it off any old 12V supply, battery charger etc. For that sort of application, a crank isn't usually the best. If the reduction between spool and crank rpms is relatively large, a crank will create a reciprocating motion with substantial dwell at both ends, with a velocity that's sinusoidal in amplitude. That'll result in the wire piling up at the ends of the spool, and being shy in the middle. You need a mechanism that will reverse more or less instantly (within the limits of inertia, etc.), and for which the velocity is constant across the width of the spool, so that the winding is more uniform. It should move at an irrational ratio to the spool, and reverse in less than half a turn of the spool. If you're not up to making a dual-lead screw and toggling follower - like on a casting reel - then a cam driving the traverse arm might be the way to go. Lloyd You would need the heart shapd cam like on the old shuttle type sewing machines - the one with the bottom thread wound on a small diameter spool about an inch long (wide between end flanges). |
#7
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Cheap and dirty traverse for winding wire on a spool
Gerry Miller fired this volley in
: You would need the heart shapd cam like on the old shuttle type sewing machines - the one with the bottom thread wound on a small diameter spool about an inch long (wide between end flanges). Correct. And, FWIW, that book cover depicting the "universal coil winder" does not have a cam shaped to control the reversing velocity. It's (appears to be), just a circular cam with variable offset to limit the throw, depending upon the length of the coil. That's simple, but a bad choice in terms of preventing the piling we discussed earlier. Lloyd |
#8
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Cheap and dirty traverse for winding wire on a spool
On Feb 6, 7:18*pm, Tom Gardner Mars@Tacks wrote:
I get flat wire on 20" x 6", 12" core wooden spools. *Sometimes they are wound poorly or I need lighter spools for a repair machine. *I remember reading a post years ago about a traverse for winding. *I remember it had a DC motor with a pot to adjust speed but that's about all. *I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. *I found that a basket weave works great for tangle problems and eliminates having to precision wind. *Any ideas will be highly appreciated! Have a small pamphlet somewhere about how to build a coil winder for making radio coils. Was a derivative of one that used to be sold by all the big electronics suppliers prior to the '70s. Anyway, it used a crank off the coil form shaft to drive a bell crank that drove an arm that moved the wire back and forth, could be adjusted for any size wire and could do the honeycomb style windings like you describe. Just needs to be made bigger. Think I got it from Lindsay back a number years, don't know if it's still in print. Only winder I've seen that combined a tensioner, a form drive and a wire traverse all off one crank handle. Was done with common hardware store parts, a guy with a bunch of stuff in the racks could probably make one up easily. Hah! Amazon has it: http://www.amazon.com/Build-Universa.../dp/187808710X Stan |
#9
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Cheap and dirty traverse for winding wire on a spool
On 2/7/2013 5:59 AM, Stanley Schaefer wrote:
On Feb 6, 7:18 pm, Tom Gardner Mars@Tacks wrote: I get flat wire on 20" x 6", 12" core wooden spools. Sometimes they are wound poorly or I need lighter spools for a repair machine. I remember reading a post years ago about a traverse for winding. I remember it had a DC motor with a pot to adjust speed but that's about all. I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. I found that a basket weave works great for tangle problems and eliminates having to precision wind. Any ideas will be highly appreciated! Have a small pamphlet somewhere about how to build a coil winder for making radio coils. Was a derivative of one that used to be sold by all the big electronics suppliers prior to the '70s. Anyway, it used a crank off the coil form shaft to drive a bell crank that drove an arm that moved the wire back and forth, could be adjusted for any size wire and could do the honeycomb style windings like you describe. Just needs to be made bigger. Think I got it from Lindsay back a number years, don't know if it's still in print. Only winder I've seen that combined a tensioner, a form drive and a wire traverse all off one crank handle. Was done with common hardware store parts, a guy with a bunch of stuff in the racks could probably make one up easily. Hah! Amazon has it: http://www.amazon.com/Build-Universa.../dp/187808710X Stan Just enlarging the picture on the book cover is a big help, thanks! |
#10
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Cheap and dirty traverse for winding wire on a spool
Tom Gardner wrote: On 2/7/2013 5:59 AM, Stanley Schaefer wrote: On Feb 6, 7:18 pm, Tom Gardner Mars@Tacks wrote: I get flat wire on 20" x 6", 12" core wooden spools. Sometimes they are wound poorly or I need lighter spools for a repair machine. I remember reading a post years ago about a traverse for winding. I remember it had a DC motor with a pot to adjust speed but that's about all. I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. I found that a basket weave works great for tangle problems and eliminates having to precision wind. Any ideas will be highly appreciated! Have a small pamphlet somewhere about how to build a coil winder for making radio coils. Was a derivative of one that used to be sold by all the big electronics suppliers prior to the '70s. Anyway, it used a crank off the coil form shaft to drive a bell crank that drove an arm that moved the wire back and forth, could be adjusted for any size wire and could do the honeycomb style windings like you describe. Just needs to be made bigger. Think I got it from Lindsay back a number years, don't know if it's still in print. Only winder I've seen that combined a tensioner, a form drive and a wire traverse all off one crank handle. Was done with common hardware store parts, a guy with a bunch of stuff in the racks could probably make one up easily. Hah! Amazon has it: http://www.amazon.com/Build-Universa.../dp/187808710X Stan Just enlarging the picture on the book cover is a big help, thanks! That book was from Lindsay Publishing, who recently closed their doors when the owner retired. |
#11
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Cheap and dirty traverse for winding wire on a spool
On Thu, 07 Feb 2013 10:00:27 -0500, "Michael A. Terrell"
wrote: BIG SNIP Hah! Amazon has it: http://www.amazon.com/Build-Universa.../dp/187808710X Stan Just enlarging the picture on the book cover is a big help, thanks! That book was from Lindsay Publishing, who recently closed their doors when the owner retired. Hey Michael, Yeah, but somebody else is selling them now. Looks like a neighbour, cuz they are in the same city. Brian Lawson. |
#12
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Cheap and dirty traverse for winding wire on a spool
Brian Lawson wrote: On Thu, 07 Feb 2013 10:00:27 -0500, "Michael A. Terrell" wrote: BIG SNIP Hah! Amazon has it: http://www.amazon.com/Build-Universa.../dp/187808710X Stan Just enlarging the picture on the book cover is a big help, thanks! That book was from Lindsay Publishing, who recently closed their doors when the owner retired. Hey Michael, Yeah, but somebody else is selling them now. Looks like a neighbour, cuz they are in the same city. Some were on Ebay at higher prices, and some on Amazon. Over the last few years the list of availible books got shorter. Maybe they will be vailible again? Do you have the URL for the new source? |
#13
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Cheap and dirty traverse for winding wire on a spool
On Wed, 06 Feb 2013 21:18:56 -0500, Tom Gardner Mars@Tacks wrote:
I get flat wire on 20" x 6", 12" core wooden spools. Sometimes they are wound poorly or I need lighter spools for a repair machine. I remember reading a post years ago about a traverse for winding. I remember it had a DC motor with a pot to adjust speed but that's about all. I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. I found that a basket weave works great for tangle problems and eliminates having to precision wind. Any ideas will be highly appreciated! You could use a linear clutch on a shaft, limit switches to reverse direction. Here's the kind I used on a project once. http://www.wmberg.com/catalog/catpag...df/B05E020.pdf Don't know about cheap or dirty, but it worked. Pete Keillor |
#14
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Cheap and dirty traverse for winding wire on a spool
On 2/7/2013 7:17 AM, Pete Keillor wrote:
On Wed, 06 Feb 2013 21:18:56 -0500, Tom Gardner Mars@Tacks wrote: I get flat wire on 20" x 6", 12" core wooden spools. Sometimes they are wound poorly or I need lighter spools for a repair machine. I remember reading a post years ago about a traverse for winding. I remember it had a DC motor with a pot to adjust speed but that's about all. I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. I found that a basket weave works great for tangle problems and eliminates having to precision wind. Any ideas will be highly appreciated! You could use a linear clutch on a shaft, limit switches to reverse direction. Here's the kind I used on a project once. http://www.wmberg.com/catalog/catpag...df/B05E020.pdf Don't know about cheap or dirty, but it worked. Pete Keillor I don't instantly understand how it works, I will have to look into it. Interesting! |
#15
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Cheap and dirty traverse for winding wire on a spool
In a wire mill I worked in, air cylinders and reversing valves were used for
welding wire spooling. This method resulted in fairly neat, flat layers.. although not as precise as the close-wound method commonly used for rolls of solder (for example). Larger spools (2 ft to 5 ft dia) were traversed by other methods. An AC motor which is capable of nearly instant reversing is the PSC permanent split capacitor type, which are often used with gear reduction boxes, and are capable of variable, regulated speed control when used with the proper controllers. Without a method of introducing a slight arc/bend in the steel wire (to ensure that it clings to the spool) before it wraps on the spool, when the wire tension is released, the wire will tend to jump off the spool unwinding itself rapidly until all that's left is a continuous backlashed mess. Spooling steel wire properly is a balance of sustained arc/bend and tension. Tension (or lack of it) is commonly maintained by a dancer, which you're probably familiar with. -- WB .......... "Tom Gardner" Mars@Tacks wrote in message news I get flat wire on 20" x 6", 12" core wooden spools. Sometimes they are wound poorly or I need lighter spools for a repair machine. I remember reading a post years ago about a traverse for winding. I remember it had a DC motor with a pot to adjust speed but that's about all. I don't need a PLC to adjust for height on the core or perfect alignment of the wrap. I found that a basket weave works great for tangle problems and eliminates having to precision wind. Any ideas will be highly appreciated! |
#16
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Cheap and dirty traverse for winding wire on a spool
On 2/7/2013 1:18 PM, Wild_Bill wrote:
In a wire mill I worked in, air cylinders and reversing valves were used for welding wire spooling. This method resulted in fairly neat, flat layers.. although not as precise as the close-wound method commonly used for rolls of solder (for example). Larger spools (2 ft to 5 ft dia) were traversed by other methods. An AC motor which is capable of nearly instant reversing is the PSC permanent split capacitor type, which are often used with gear reduction boxes, and are capable of variable, regulated speed control when used with the proper controllers. Without a method of introducing a slight arc/bend in the steel wire (to ensure that it clings to the spool) before it wraps on the spool, when the wire tension is released, the wire will tend to jump off the spool unwinding itself rapidly until all that's left is a continuous backlashed mess. Spooling steel wire properly is a balance of sustained arc/bend and tension. Tension (or lack of it) is commonly maintained by a dancer, which you're probably familiar with. This is spring wire, off the spool it wants to straighten out. |
#17
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Cheap and dirty traverse for winding wire on a spool
Tom Gardner wrote: On 2/7/2013 1:18 PM, Wild_Bill wrote: In a wire mill I worked in, air cylinders and reversing valves were used for welding wire spooling. This method resulted in fairly neat, flat layers.. although not as precise as the close-wound method commonly used for rolls of solder (for example). Larger spools (2 ft to 5 ft dia) were traversed by other methods. An AC motor which is capable of nearly instant reversing is the PSC permanent split capacitor type, which are often used with gear reduction boxes, and are capable of variable, regulated speed control when used with the proper controllers. Without a method of introducing a slight arc/bend in the steel wire (to ensure that it clings to the spool) before it wraps on the spool, when the wire tension is released, the wire will tend to jump off the spool unwinding itself rapidly until all that's left is a continuous backlashed mess. Spooling steel wire properly is a balance of sustained arc/bend and tension. Tension (or lack of it) is commonly maintained by a dancer, which you're probably familiar with. This is spring wire, off the spool it wants to straighten out. Then you better hurry and rewind it all, while it's still winter! ;-) |
#18
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Cheap and dirty traverse for winding wire on a spool
On 2/7/2013 11:02 PM, Michael A. Terrell wrote:
Tom Gardner wrote: On 2/7/2013 1:18 PM, Wild_Bill wrote: In a wire mill I worked in, air cylinders and reversing valves were used for welding wire spooling. This method resulted in fairly neat, flat layers.. although not as precise as the close-wound method commonly used for rolls of solder (for example). Larger spools (2 ft to 5 ft dia) were traversed by other methods. An AC motor which is capable of nearly instant reversing is the PSC permanent split capacitor type, which are often used with gear reduction boxes, and are capable of variable, regulated speed control when used with the proper controllers. Without a method of introducing a slight arc/bend in the steel wire (to ensure that it clings to the spool) before it wraps on the spool, when the wire tension is released, the wire will tend to jump off the spool unwinding itself rapidly until all that's left is a continuous backlashed mess. Spooling steel wire properly is a balance of sustained arc/bend and tension. Tension (or lack of it) is commonly maintained by a dancer, which you're probably familiar with. This is spring wire, off the spool it wants to straighten out. Then you better hurry and rewind it all, while it's still winter! ;-) You owe me one for that! |
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