Setting Up a Skiving Machine - Part 2 Leather upholstery

  Рет қаралды 101,030

Cechaflo

Cechaflo

8 жыл бұрын

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This second video will show how to set up a 'Fortuna Leather Skiver'...As you will see, the whole procedure is comprised in adjusting three important 'pieces' of the machine: presser foot, feed roller and bell knife.
I have adjusted the machine to skive/slice thin/fine furniture/automotive leathers, etc...I mean 0.5 mm gap between 'presser foot side' and 'bell knife edge' and the gap between 'feed roller and bell knife inside edge' less than 0.5 mm . For thicker leathers the edge of bell knife should go a little further away 2.5 mm at most from the presser foot side.
You will see that is not so difficult as it seems or some masters want us to believe.
I hope you find it useful!
Cesar

Пікірлер: 94
@Cechaflo
@Cechaflo 2 жыл бұрын
Video 1:kzfaq.info/get/bejne/kKmPdKSonaeph2Q.html Video3: kzfaq.info/get/bejne/nN6Pi9h6rcmzZWQ.html Video4: kzfaq.info/get/bejne/h7ypjKZkksDGpZs.html
@Cechaflo
@Cechaflo 8 жыл бұрын
There are some people only dedicated to disqualify the work of someone without providing a minimum. I think that the right thing would be to give an opinion about what seems wrong or demonstrate with facts instead of 'clicking' in a nonsense way. I want to note all of these videos are free and aimed to people who only is really interested in learning something.
@pedroimiranda902
@pedroimiranda902 7 жыл бұрын
Thank you for you helping all
@DuaneBallard
@DuaneBallard 7 жыл бұрын
I've had a skiver for years but never use it because of not being able to ever get it consistent. After this video it's perfect. Thanks!!
@Cechaflo
@Cechaflo 7 жыл бұрын
You are welcome! ...I'm so happy the video is useful!
@krishajessee3611
@krishajessee3611 5 ай бұрын
I operate a Fortuna SAS skiving machine at work. I work in a book bindery and I skive leather for book covers so the corners lay flat and nice. I am finding myself having issues with the presser foot moving slightly as I am skiving. Maintenance isn’t much help in that area and the person that trained me tends to mess with other things that shouldn’t be messed with, so I do my best to keep this person away from the machine a lot. It doesn’t move when I have the machine off and I try to wiggle the foot. It’s fine there. Any idea what could cause that issue? Also, the way you use the paper to determine the distance between the bell knife & foot, feed roller & bell knife is very smart. This person that trained me has a habit of getting the feed roller too close to the edge of the knife & I have had to sharpen & hone a curved lip like burr off of my knife. The feed roller I use is a gritty one instead of a metal or rubber one as the company orders those specifically. Any tips on the moving presser foot would be greatly appreciated.
@Cechaflo
@Cechaflo 5 ай бұрын
IMHO, there would be the next reasons 1. The small cone was made out of hard steel. The recess is conical too where this cone is housed. The recess could be worn out due to much work. The solution would be to replace it for a new presser foot. kzfaq.info/get/bejne/h7ypjKZkksDGpZs.htmlsi=eWX56bFjYs2tR8Wm&t=174 2. If the small bolt is not well tightened could cause the wiggle of the presser foot. kzfaq.info/get/bejne/h7ypjKZkksDGpZs.htmlsi=e5HEC8c3YxmKwBTI&t=186 3. The presser foot is fastened to a base. Perhaps it needs to make an adjustment. kzfaq.info/get/bejne/i-BdrLRmsNOwYpc.htmlsi=GP_0CwIyRYjpYR_2&t=97 I hope it helps.
@krishajessee3611
@krishajessee3611 5 ай бұрын
@@Cechaflo Thank you! This does help a lot. I suspected the cone shaped tapered pin to possibly be the culprit. In my 2 years of skiving on this machine, it has not been replaced. Only the presser foot has been replaced when it comes to that specifically. I do change out between 20mm and a 30mm presser foot depending, usually using a 20mm since I do not usually need a whole lot of depth. A 20mm works best for a runoff bevel, which is typically what produces the best results for skiving corners to make the corners of a book cover lay flat and make well. I am going to adjust those square plates as well, as I’m confident that maintenance at my work is unaware that they may need adjusted just like I was really unaware as well. Your demonstration of such was extremely helpful.
@evolutionbags
@evolutionbags 6 жыл бұрын
Hola amigo César he seguido su tutorial y mi maquina ha quedado impresionante, gracias por compartir tu experiencia
@Cechaflo
@Cechaflo 6 жыл бұрын
Hola Carlos, ¡Me siento muy contento que estos videos sean útiles!
@bdahmw994
@bdahmw994 2 жыл бұрын
Excellent video thank you
@staymad5685
@staymad5685 8 жыл бұрын
Amazing videos, thank you for taking the time to make them!!
@Cechaflo
@Cechaflo 8 жыл бұрын
+Tiago Montemor Thanks for appreciating these videos! ....you are welcome!
@Cechaflo
@Cechaflo 8 жыл бұрын
+Tiago Montemor You are welcome!
@devriescustomleather1109
@devriescustomleather1109 3 жыл бұрын
Very good!!!
@eliaspuqui4182
@eliaspuqui4182 4 жыл бұрын
buenísimo me sirvió de mucho felicidades
@loneentity
@loneentity 5 ай бұрын
Fantastic video thank you 👍
@nelsonalfredobolivarmoreno6496
@nelsonalfredobolivarmoreno6496 5 ай бұрын
Excelente gracias
@maili1882
@maili1882 4 жыл бұрын
Interessante. Grazie
@Cechaflo
@Cechaflo 8 жыл бұрын
INTERESTING QUESTIONS: Dear Cesar, When you sett up the skiving machine, you put the stationary cardboard to ensure the distance between bell knife and process foot 0.5-1mm for thin leather, Question : 1. what the thickness for thin leather ? 2. the gap you set will impact to the thickness leather sliced ? 3. What if the gap set to larger than 1mm or less than 0.5mm ? 4. The writing paper you put into the distance between feed roll and bell knife, is it a fixed distance or it need to be adjusted depends on different skiving conditions ? Thanks Hi Jessie, 1. I am referring to 'thin leathers', such as, 'standard upholstery/automotive leather' (1:1 to 1:3 mm +/-) 2. The closer we set the edge of bell knife to presser foot side the faster would start the slicing of leather material. 3. If the gap is set to more than 1 mm. It means that skiving procedure would start a little farther away from the edge/side of presser foot...so, the end or beginning of leather material would be loose at the time of reaching the edge of bell knife, and instead of cutting the material it would be twisted and sent backwards and got stuck in/between.That is why the correct setting should be done very close to the side of presser foot, just enough the leather material to immediately reach the edge of bell knife. (0.5 mm/half milimiter +/- is a wise gap distance)...if too close, less than 0.5, we only could take the risk of getting a dull edge of bell knife in case the presser foot were not well tightened...that is why, it is very importat to have a presser foot affixed with no lateral movements. 4. The 'gap' the 'writing paper' leaves is the appropriate/fixed distance Fortuna technicians recommend in the manual. We have realized that 'writing paper' is thinner than 'stationery cardboard'...the 'gap' should have same distance along the curve going parallel with the curved edge of bell knife and curved shape of presser foot. Hope it helps, Cesar
@pachocarrillo4656
@pachocarrillo4656 7 жыл бұрын
Hola Cechaflo, buenas tardes. Please tell me which is the widest piece one can skive, 5 centimeters perhaps?. The best from Colombia.Thank you.
@ceciliacarrillo4575
@ceciliacarrillo4575 7 жыл бұрын
GranGENIOOOO!!!!!TE entendi perfecto GRACIASSS!!!!!!!!!!!!!
@Cechaflo
@Cechaflo 7 жыл бұрын
Bienvenida al canal y muchas gracias por ver los videos!
@galopiriz1862
@galopiriz1862 4 жыл бұрын
Alguien sabe dónde puedo conseguir la cuchilla para desvatadora gracias
@miguelcari5824
@miguelcari5824 8 жыл бұрын
muy buen aporte amigo cechaflo no se ingles pero espero q entiendas un abrazo desde Peru
@Cechaflo
@Cechaflo 8 жыл бұрын
+Miguel Cari Gracias Miguel, por tu amable comentario...hay muchas cosas que se aprenden con solo mirar y no es necesario ningún idioma...me hubiera gustado hacer estos videos solo en castellano/español, pero como bien sabemos el idioma inglés es el que está 'de moda' en la actualidad en todo el mundo, tanto en la tecnología como en los negocios y la idea fue llegar a mucha gente.
@gerisyandrayusman241
@gerisyandrayusman241 6 жыл бұрын
holaa... Thanks for this helpful video!! Thanks from Indonesia!
@Cechaflo
@Cechaflo 6 жыл бұрын
You are welcome anytime!
@maili1882
@maili1882 4 жыл бұрын
Volevo ringraziarti per i suoi video mi sono state molto d’aiuto grazie a lei sono riuscita ad aggiustare la macchina mia . Volevo chiederti se poteva fare un video dove spiega come si mette l’olio,grasso. Grazie
@rutht8570
@rutht8570 5 жыл бұрын
Omg omg omg!!! I can't believe I fixed my skiver. Thank you so much! This was great! It was just passing the leather through without skiving and i tried every thing I knew possible. But this worked! But still every time I change from one piece of leather to another, even from the same cut it's different. Is there anything I can do? I dont want to ruin my patterns. Thanks!
@Cechaflo
@Cechaflo 5 жыл бұрын
I am glad the video is useful!
@LUMYROD
@LUMYROD 4 жыл бұрын
I love your videos because you just write little explanations at the time you show exactly what we need to know to understand. Thanks. A doubt: The original angle of the edge of the bell does not match the angle in which it is resharpened, which is larger. I usually move the arm of the sharpening stone until I get the original angle of the bell. Perhaps it is better to give it more angle as seen in the video. Is that so?
@Cechaflo
@Cechaflo 4 жыл бұрын
Angles of sharpening stone and bell knife came already regulated from factory. Despite of having more than 100 years it is still in working condition.kzfaq.info/get/bejne/nN6Pi9h6rcmzZWQ.html Thanks for the suggestion. Perhaps, some detail is out of my attention as I bought it that way.
@alanmarklew6850
@alanmarklew6850 4 жыл бұрын
Hi I have a skiving machine the same as yours, but mine has a 35mm roller foot, do you know if i can just fit a larger roller ( 50mm ) to give me more width ?
@pequodexpress
@pequodexpress 2 жыл бұрын
Yes, you can use a 50mm presser foot.
@choihuahua6419
@choihuahua6419 Жыл бұрын
Thanks for the great videos. Can you advise on lubricating a skiver? What oil to use, how often to oil what part etc.
@Cechaflo
@Cechaflo Жыл бұрын
Yes, it is advisable to oil all the metal parts every now and then. I use a sewing machine oil. Grease for the joints and mechanisms that move the pieces. If you turn the machine upside down you would realize on the reverse what to do.
@choihuahua6419
@choihuahua6419 Жыл бұрын
@@Cechaflo Super helpful, thanks a bunch!
@mathiasmasolwa5313
@mathiasmasolwa5313 Жыл бұрын
We need this how much per single,and how can we receive it.
@CarmenRodriguez-nz8sp
@CarmenRodriguez-nz8sp 4 жыл бұрын
tengo esa desbastadora de cuero y me esta volviendo locaaaaa! con la cuarentena no consigo tecnico pregunto.... alguien sabe si esta en español? veo las imagenes pero no puedo traducir el escrito, gracias!! desde argentina
@arleylopez1251
@arleylopez1251 3 жыл бұрын
Desde el barrio San Benito, Bogotá Colombia muchas gracias muy claro todo
@rubiconironstattoomachine312
@rubiconironstattoomachine312 2 жыл бұрын
Hi, excuse me, but how can you change the belt that connect motor with all sistem of the machine? I really apreciate your help. And thanks a lot for your video.
@Cechaflo
@Cechaflo 2 жыл бұрын
I suppose you are referring to this rubber belt that is connected to the motor pulley. kzfaq.info/get/bejne/kKmPdKSonaeph2Q.html
@sarahlee7739
@sarahlee7739 8 жыл бұрын
thanks for posting this video, I can't seem to get my skiving machine to skive without ripping the leather. can you advise ? increasing the lever and it doesn't skive, reducing it and it rips the leather.
@Cechaflo
@Cechaflo 8 жыл бұрын
Perhaps, the 'bell knife' is not close enough to 'presser foot' side. Leather piece is also ripped when the 'bell knife' is not properly sharpened...the 'deburring stick' helps a lot to get a very sharpened edge. Hope it helps.
@sarahlee7739
@sarahlee7739 8 жыл бұрын
+Cechaflo thank you so much for your reply. mine is a super old fortuna and the roller underneath is not very even so it can't get very close without some parts touching the blade. will try sharpening the blade. thanks!
@Cechaflo
@Cechaflo 8 жыл бұрын
I understand, but no worries...my machine is 100 years old...it's just matter of changing some pieces to keep it in good condition...check: www.ebay.com.au/itm/801-and-Fortuna-Skiver-Feed-Roller-/221914216366 check this info about feed rollers:www.fratellialberti.com/lang2/feed-rollers-50mm..html
@Cechaflo
@Cechaflo 6 жыл бұрын
Video 1: kzfaq.info/get/bejne/kKmPdKSonaeph2Q.html Video 3 : kzfaq.info/get/bejne/nN6Pi9h6rcmzZWQ.html
@vadimnikonov1970
@vadimnikonov1970 6 жыл бұрын
Video 3 does not open
@Cechaflo
@Cechaflo 6 жыл бұрын
Hello Vadim, Sorry for the inconvenience. I had put down an editing link. Now it is ok.
@vadimnikonov1970
@vadimnikonov1970 6 жыл бұрын
Thank you!
@MaksFort_
@MaksFort_ Жыл бұрын
Hello. Thank you so much for your videos. Tell me the waves remain on the skin. What could be wrong?
@Cechaflo
@Cechaflo Жыл бұрын
The issue is the bell knife is not well sharpened. It is important to check out the sanding wheel front edge is vertical. Use the dresser to align it
@MaksFort_
@MaksFort_ Жыл бұрын
@@Cechaflo Thank you very much. I wish you success, health and prosperity!!!
@ferram2974
@ferram2974 7 жыл бұрын
hola cechaflo gracias por tus videos son muy explicitos, necesito ayuda con maquina pfaff 463 cambie correa interna y se invirtio el transporte y palanca retroceso quedo golpeando. si me puedes explicar como reparar la maquina te lo agradeceria ya que soy tecnico pero sin experiencia y la pfaff es diferente y gracias por tu enseñanza desinteresada soy de bogota colombia.
@Cechaflo
@Cechaflo 7 жыл бұрын
Estimado Fer, no tengo idea sobre este modelo, una disculpa.
@ferram2974
@ferram2974 7 жыл бұрын
hola cechaflo gracias por contestar y por tu honestidad, soy fanatico de sus videos he aprendido mucho ojala los explicaras español good bye
@pequodexpress
@pequodexpress 3 жыл бұрын
Do you know if there is a big difference between the Nippy 301/301A knives made in Taiwan and the ones made in Japan?
@Cechaflo
@Cechaflo 3 жыл бұрын
I do not know. Nowadays, good technology is everywhere though.
@pequodexpress
@pequodexpress 3 жыл бұрын
@@Cechaflo That is true. I'm sure they're both fine. There is only a USD7 difference between the two.
@pequodexpress
@pequodexpress 2 жыл бұрын
@@Cechaflo I just finished replacing a Taiwanese Taking knife with a Nippy 301A. The difference is quite stark from the very beginning. Sharpening sounds much smoother and quieter and goes much more quickly. A bevel is quickly ground from the edge of the knife to the hub. It seemed with the Taking that sharpening was happening in the opposite direction: from the hub to the edge.
@Cechaflo
@Cechaflo 2 жыл бұрын
@@pequodexpress That is great!
@pequodexpress
@pequodexpress 3 жыл бұрын
In a one hour's session of skiving, how frequently do you need to sharpen the knife?
@Cechaflo
@Cechaflo 3 жыл бұрын
I have not reckoned the frecuency of sharpening in one hour session, but as far as I remember it lasts a longer time, I could say a continuous day time and more. It is not necessary to be continuously sharpening the bell knife.
@pequodexpress
@pequodexpress 2 жыл бұрын
My Nippy 301A finally arrived, but the four knife screws are too tight to be removed. Might you have any suggestions for how to remove those screws?
@Cechaflo
@Cechaflo 2 жыл бұрын
Sooner or later the bolts should be removed to take off the bell knife of your machine. The unbolting process is counterclockwise. kzfaq.info/get/bejne/kKmPdKSonaeph2Q.html Gently hit the head of the bolts with a hammer to loosen its threads. To avoid a sliding of the tool (screwdriver) while unbolting/unscrewing process somebody else could help you to hold tight the machine's pulley wheel. If too tight a pair of long pressure pliers would be useful too. Becareful with the knife edge!
@pequodexpress
@pequodexpress 2 жыл бұрын
@@Cechaflo I was looking for that video to place my comment but couldn't find it earlier. I finally got the stock Taking knife off. I used a heat gun to heat up the bolt heads and let them cool down. I should have done three cycles of that instead of just one. I also sprayed the screw heads with WD-40 and brake cleaner. In addition to all that, I also stuffed some leather between the knife hub and base plate to reduce spinning as much as possible. What really helped was having someone hold the flywheel to further reduce spinning. I'm very curious to see if I notice an obvious improvement with the Nippy 301A.
@pequodexpress
@pequodexpress 2 жыл бұрын
@@Cechaflo I was beginning to wonder if maybe screw removal us clockwise, as it is with the grinding stone.
@Cechaflo
@Cechaflo 2 жыл бұрын
@@pequodexpress It could be. In my case the screws removal is counterclockwise.
@pequodexpress
@pequodexpress 2 жыл бұрын
@@Cechaflo It is counterclockwise. Before I had success I was wondering if it might be clockwise because I couldn't believe the screws were so damn stuck. It's a Chinese machine so I thought anything is possible, but it turned out to be counterclockwise.
@aryandaradianputra317
@aryandaradianputra317 6 жыл бұрын
Do you know how to changing the roller? Or the blade?
@Cechaflo
@Cechaflo 6 жыл бұрын
This video would give you some idea:kzfaq.info/get/bejne/kKmPdKSonaeph2Q.html
@aryandaradianputra317
@aryandaradianputra317 6 жыл бұрын
Thank You!! you really helping me!
@Cechaflo
@Cechaflo 6 жыл бұрын
You are welcome anytime!
@nelsonalfredobolivarmoreno6496
@nelsonalfredobolivarmoreno6496 5 ай бұрын
Me gustaría en español ya que estoy en Colombia
@tarasseredenko3131
@tarasseredenko3131 Жыл бұрын
🎉
@AZSemperFi
@AZSemperFi Жыл бұрын
Why is your bell knife turning towards you instead of away from you?
@Cechaflo
@Cechaflo Жыл бұрын
If the bell knife would move backwards the leather would be constantly 'pushed ' to the back and could get stuck. kzfaq.info/get/bejne/i-BdrLRmsNOwYpc.html The movement forwards helps to avoid this issue despite the leather piece tends to also be 'pushed' backwards but not so hard.
@daytonpyro
@daytonpyro 6 ай бұрын
can you help me find a machine like yours? how is that head unit made? most of these now seem to be sand cast.
@Cechaflo
@Cechaflo 6 ай бұрын
This is an old Fortuna leather skiving machine (more than 100 years old) . I had to restore it brand new. I bought it from a shoemaker here in Mexico. BTW, all of them are sand cast (the heads). Luckily you could find one new or refurbished on the internet. Otherwise there are new one but different trademarks. For instance: www.alibaba.com/product-detail/Used-Reconditioned-Renew-Refurbished-Nippy-NP303_60348722514.html?spm=a2700.7724857.0.0.65974fa4T9lP5l www.n-ccarpet.com/index.php?route=product/search&search=leather%20skiving%20machine&description=true www.machinio.com/cat/skiving-machine-fortuna
@daytonpyro
@daytonpyro 6 ай бұрын
that one you have also sand cast? it looks so smooth.@@Cechaflo do you think an ARTISTAN or CONSEW or TECVIEW would work. so so so many out there/ thanks for the reply. you do amazing work
@daytonpyro
@daytonpyro 6 ай бұрын
one more thing. most are set up with one motor. yours has two. is it super hard to convert these knock offs to a set up like yours?@@Cechaflo
@Cechaflo
@Cechaflo 6 ай бұрын
​@@daytonpyro Yes, the head is sand cast (cast iron) I have heard those Techsew, Consew, or Artisan do good jobs.
@Cechaflo
@Cechaflo 6 ай бұрын
@@daytonpyro My machine only has one motor placed underneath the table.
@pequodexpress
@pequodexpress 2 жыл бұрын
If you are using a Fortuna knife, do you use Type "S" or Type "K"?
@Cechaflo
@Cechaflo 2 жыл бұрын
The bell knife of my fortuna shows in the box a 'K' in red. TBH I do not know what S or K mean, sorry.
@pequodexpress
@pequodexpress 2 жыл бұрын
@@Cechaflo I think Type K means it's for harder leather and other materials. I'm curious to know if the difference is noticeable. I think most people probably use Type S. I just purchased a Fortuna S knife today. I want to see if there are noticeable differences between the hardened German steel of the Fortuna and the softer SKS51 Japanese steel of the Nippy 301A I have been using.
@Cechaflo
@Cechaflo 2 жыл бұрын
@@pequodexpress Thanks so much for sharing information with us!
@ozgurmetin1976
@ozgurmetin1976 3 жыл бұрын
👍👏👏👏🙏🙏🙏
@michelgiachino5887
@michelgiachino5887 7 ай бұрын
Hi... This S Kiving machine is wonderful. I used a same model all my life for Shoe uppers. Please let me know where to find parts and acce Ss Oories... My mail michelgiachino4@gmail.com
@Cechaflo
@Cechaflo 7 ай бұрын
I am located in Mexico and I get spare parts from local suppliers. This site might be useful: www.aliexpress.com/item/1000004704251.html
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