Forum: 10. Base Table
Sat 29 January 2011, 05:46
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Replies: 75
Views: 108,236
Hi John and Irfan,
Thanks. Right now I am...
Hi John and Irfan,
Thanks. Right now I am working on another new design which is intended for cutting mainly Aluminum. Also I am doing some research and experiments to introduce a 4th and 5th axis...
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Forum: 10. Base Table
Fri 28 January 2011, 05:30
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Replies: 75
Views: 108,236
Brad,
Maybe you would give a second thought to...
Brad,
Maybe you would give a second thought to that. A harmonic drive is virtually a zero backlash gearbox. Interfacing it with another set of gears might introduce some backlash.
You can add as...
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Forum: 10. Base Table
Thu 27 January 2011, 02:12
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Replies: 75
Views: 108,236
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Forum: 10. Base Table
Fri 29 January 2010, 14:11
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Replies: 75
Views: 108,236
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Forum: 10. Base Table
Fri 29 January 2010, 14:10
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Replies: 75
Views: 108,236
Completing the rotary axis homing system
A piece of copper was cut and filed to make a bump for the rotary axis homing system. A strip of sand paper was fixed on the rim of the plate and the copper piece manually rubbed against its...
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Forum: 10. Base Table
Tue 22 December 2009, 00:12
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Replies: 75
Views: 108,236
Thanks for the reminder. Heath is right, some...
Thanks for the reminder. Heath is right, some pictures are omitted.
Visiting the following link:
http://www.turningaround.org/joecnc_hybrid.htm
The second and third picture from the top shows...
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Forum: 10. Base Table
Sun 20 December 2009, 14:20
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Replies: 75
Views: 108,236
Gerald,
Please take a look at the last two...
Gerald,
Please take a look at the last two pictures of:
http://www.turningaround.org/4_axis_mill.htm
Suppose you want to carve a relief on each side of the cube part.The rotating axis will be...
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Forum: 10. Base Table
Sun 20 December 2009, 11:50
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Replies: 75
Views: 108,236
Greg,
Thanks for the valuable notice. I did not...
Greg,
Thanks for the valuable notice. I did not know that. I have another question though. In Mach we normally use the A axis, slaved for the X axis. Should I define the B axis to be slave to the X...
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Forum: 10. Base Table
Sat 19 December 2009, 13:14
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Replies: 75
Views: 108,236
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Forum: 10. Base Table
Mon 23 November 2009, 13:05
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Replies: 75
Views: 108,236
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Forum: 10. Base Table
Sat 21 November 2009, 13:59
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Replies: 75
Views: 108,236
2- continued…
This, I had not done before but...
2- continued…
This, I had not done before but it was an exciting experience.
The flange and shaft part was put in the freezer and the plug is heated and hammered down into the hole. This should be...
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Forum: 10. Base Table
Sat 21 November 2009, 13:48
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Replies: 75
Views: 108,236
Sharma,
I have left the drawings in the...
Sharma,
I have left the drawings in the workshop but for a visual approximation consider these:
The Chuck and the hand wheel are 100mm diameter.
The screw in the tailstock is 24mm.
The bearing...
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Forum: 10. Base Table
Tue 17 November 2009, 16:29
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Replies: 75
Views: 108,236
Greeting to all and sorry for the delay.
...
Greeting to all and sorry for the delay.
Following the previous post agenda, here are the new progress.
1- I was thinking on this scenario for the case of the PK296A1A-sg36 motor:
How about...
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Forum: 10. Base Table
Tue 17 November 2009, 16:15
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Replies: 75
Views: 108,236
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Forum: 10. Base Table
Mon 02 November 2009, 10:35
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Replies: 75
Views: 108,236
Tailstock finished
Here are final pictures of the tailstock:
6900
6901
6902
6903
Continuous traveling distance along the Y axis.
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Forum: 10. Base Table
Mon 02 November 2009, 10:30
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Replies: 75
Views: 108,236
Thanks Heath,
I was going to dismantle it to...
Thanks Heath,
I was going to dismantle it to see what could be done inside it. for the new gearbox I bought a new stepper motor.
I am still amazed what good is this motor for? With so much...
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Forum: 10. Base Table
Wed 28 October 2009, 14:49
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Replies: 75
Views: 108,236
I bought this gearbox to replace the Oriental...
I bought this gearbox to replace the Oriental Motor's.
Later I will use the oriental motor to make a unidirectional indexer to make big timing pulleys which are extremely expensive over here.
...
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Forum: 10. Base Table
Tue 27 October 2009, 15:41
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Replies: 75
Views: 108,236
Today I went after some gearboxes to fit to a...
Today I went after some gearboxes to fit to a stepper motor.
So far I found out that worm gears are not suitable at all. I recall that some 20 years ago they made these gearboxes with vertical...
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Forum: 10. Base Table
Mon 26 October 2009, 15:33
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Replies: 75
Views: 108,236
Tailstock assembly
The below picture shows the sliding mechanism simulation which was devised. It will have a clutch locking mechanism. The longer piece will act as the table beams, underneath which is the sliding...
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Forum: 10. Base Table
Mon 26 October 2009, 15:27
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Replies: 75
Views: 108,236
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Forum: 10. Base Table
Mon 26 October 2009, 12:43
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Replies: 75
Views: 108,236
Greg,
You are right. My original intention...
Greg,
You are right. My original intention was to make a two stage 1:9 timing belt reducer (I only have 24
and 72 teeth timing pulleys available). the problem is that a 1:9 reduction will only...
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Forum: 10. Base Table
Sun 25 October 2009, 14:12
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Replies: 75
Views: 108,236
An unfortunate incident
After installing the chuck assembly on the motor, I noticed a considerable amount of play on the shaft of the Oriental Motor PK296A2A-sg36. I think it is about 2-3 degrees. I tied together all the...
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Forum: 10. Base Table
Sun 25 October 2009, 14:10
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Replies: 75
Views: 108,236
Some more progress
A colleague’s lathe was down due to its faulty chuck jaws. I fixed his problem and he let me use his lathmachine the required parts for the 4th axis. Here are the pictures:
Parts required for the...
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Forum: 10. Base Table
Fri 09 October 2009, 16:19
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Replies: 75
Views: 108,236
John,
Thanks. I am preparing the machine...
John,
Thanks. I am preparing the machine thread which I suspect will be ready in a couple of days.
I came up with some ideas regarding your comment on adjusting screws which I will work on them...
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Forum: 10. Base Table
Thu 08 October 2009, 13:15
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Replies: 75
Views: 108,236
John,
That is so true. I will work on...
John,
That is so true. I will work on possible ways.
My original thought was that you have to:
1- With no workpiece loaded lower the tip of the tool to the center of the chuck.
2- Determine...
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