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Currently Watching: Watching: Home made gear cutting hobs part4
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Hob vid Correction Posted by: Hobbynut
Video duration: 166 seconds Related: N/A Display Video Comments | Hide Video Comments | Add Comment |
Latest comments made on this video:
By: Hobbynut. on 16 Jan 11, 00:08:33
@Jeff260z Yes? that is correct the included angle on the tool bit is 40 deg for a 20 deg pressure angle gear.
By: Hobbynut. on 16 Jan 11, 00:07:36
@PLUSHAIRPLANECARPET I tried this to? sharpen the regular involute cutters but had no luck. It is a good idea. I just didn't fully persue it.
By: PLUSHAIRPLANECARPET. on 11 Jan 11, 22:53:19
maybe you can make? a program on your mill to sharpen tools
By: ElQuesoGuapo. on 21 Aug 10, 03:08:08
@kuei1248 I run the lathe forward, but I stand facing the spindle and hold? the file out in front of me. My right hand is loosely holding the tip of the file, and the left hand is holding the handle end. If there's no handle, I hold it with my fingertips so that the spike sticks past my hand instead of being aimed at my palm. I'm holding loosely, so if the file gets grabbed by the lathe, it will be easily pulled out of my hands and thrown away from me. It's a different method but works so far
By: Jeff260z. on 03 Aug 10, 10:56:35
What is? the included angle you have to grind the tool bit to 40 degrees?
By: Hobbynut. on 01 Feb 10, 07:49:27
@kuei1248 Very? good suggestion, thanks. I think that I should also have a handle on the file that would be safer as well.
By: kuei1248. on 22 Jan 10, 13:18:37
Nice video. 1 safety suggestion. When? using a file on a lathe spin the chuck in the reverse direction (M4) and hole the file with the handle away from you. Alot of time files grab and the pointed handle can get launched at you, or into the palm of your hand. Should the file be grabbed it will be pulled away from you.
By: Valtomotive. on 03 Nov 09, 06:08:09
thanks for posting i learned? a lot with it..
By: grindhouse84. on 06 Oct 09, 17:16:21
believe you need to find the circular pitch. CP=Pi(3.1415)/Diametrical Pitch. to find D.P~25.4/module(.75)=33.8666 Pi/33.8666=.0927?
By: qwerty9321. on 20 Sep 09, 03:43:18
Please keep posting the results, I donīt have a CNC but if? you succeed itīs one more reason for an upgrade. I believe I can make a nice square teeth worm/worm gear pair with your method as well, I already made the hob and worm for it and itīs looking nice. Thanks!
By: biffalos. on 16 Sep 09, 09:06:16
Hi Very informative video,where do I find the information to calculate the spacings for the cutter teeth. I am trying to make a hob to cut a pinion gear for a clock? which has 8 teeth and is 0.75 module.
By: Hobbynut. on 12 Sep 09, 11:53:16
You know I never have? thought of this. I am not sure why since it is a common practice in cutting threads. Hmm. I will have to try it. Thanks for the idea. I will have to change the gearcodit program to change the depth of cut via the compound.
By: qwerty9321. on 04 Sep 09, 22:25:16
Great videos, I learned a lot with it. I think it would cut softer if you make the advances using the top slide instead of the cross slide. Youīll need to rotate the top slide to the mark 20 degrees on the back? of the cross slide and only the left part of the bit will really cut, the lathe will work smoother.
By: guaniquilla. on 09 May 09, 20:28:43
They are three type of people in this world; Leaders,follower and the ones they don't do anything? but criticied,Sir you are a leader looking foward to see your next video #5
By: tvicena. on 07 Apr 09, 02:35:30
you can trig the tool angle to find the? prper angle you need
By: Hobbynut. on 10 Mar 09, 00:21:07
Your welcome,? send me some pictures of what you do. Shorty
By: rockbod. on 09 Mar 09, 06:29:58
Thanks for the cool videos, I think they will be? great for me in cutting watch gears, and especially for tooling to do so.
By: Hobbynut. on 22 Feb 09, 00:21:56
I have a headset that I will try in the future to see if that helps I was not aware there was any problem but? I know my camera has a jack for a mic and I will see if this works better.
By: Hobbynut. on 22 Feb 09, 00:20:37
Hello Mike, wow I was not aware that HF sold these units. I went on line in order to see if I could see the specs? on these and was not able to. I would not be able to suggest which one would be best for your situation but I will tell you I plan a trip to HF to check these out for myself.
By: mikefromspace. on 21 Feb 09, 01:16:45
I'm torn between a kx1 mach and a kx3 mach from harbor? freight. I'm looking at machining 304 stainless and 312 hollow hemispheres. Would I be best off with the kx3?... or is there a kx5 or something even better? My parts no larger than 6" wide, maybe 8 but atleast 6.
By: mikefromspace. on 21 Feb 09, 01:14:17
Wish you could use a better/ closer mic.! I can't hear? you with volume all the way up! Your editor software should allow you to normalize volume usually.
By: pablopeu. on 12 Dec 08, 20:30:26
Hi Shorty! Im for sure want to see how this tutorial ends. Thanks for taking the time and effort for doing these videos. And in response to your videotaped message from last year, have a Happy 2008 Christmas!! or? like we say around here in Buenos Aires: Que tengas una feliz Navidad! Pablo
By: caliusoptimus. on 11 Sep 08, 20:53:27
you could use a gear tooth caliper? to measure the tip of your tool. i havent seen them for sale anywhere, but if you look hard enough im sure you could find one. i know starrett makes a them.
By: fuskiny. on 27 Aug 08, 05:30:15
hey!! really nice job!! I'm designing a machine for a? school proyect, and I really like your videos, nice explanation, nice videos, nice everything!!! I really spect the new video of making the cuttings and sharpening! really good stuff men!!!
By: toddkrein. on 30 Jul 08, 17:31:25
Awesome. A great video set. I'm really looking forward to the rest? of them!