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Search: Posts Made By: Mongkol
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 22 February 2010, 07:20
Replies: 36
Views: 51,323
Posted By Mongkol
How to join two racks together?

Dear All,
Assume, I have rack-A at length = 1500 mm and rack-B at length = 1500 mm. M=1, If I need to use the total length of rack = 3000 mm,
I would like to know how to join rack-A and rack-B at...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Thu 10 September 2009, 22:17
Replies: 36
Views: 51,323
Posted By Mongkol
Vladimir, Big Thanks. It's easy to imagine. ...

Vladimir,
Big Thanks. It's easy to imagine.

Mongkol
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 29 December 2008, 06:35
Replies: 36
Views: 51,323
Posted By Mongkol
Gerald, Big Thank for the detail

Gerald,
Big Thank for the detail
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 29 December 2008, 05:06
Replies: 36
Views: 51,323
Posted By Mongkol
Gerald, I clear for item1 and item2 for your...

Gerald, I clear for item1 and item2 for your help.
I have some questions in drawing M5 10 312 and picture as below.:p
1)I saw the drawing M5 10 312 and found no.8 description show M10 fender...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 28 December 2008, 09:30
Replies: 36
Views: 51,323
Posted By Mongkol
Hi Gerald, 1)I am puzzled why do you use...

Hi Gerald,
1)I am puzzled why do you use plastic washer. Is it possible to use metal washer? Pls advise.
2)Two holes from picture,Do you mean that they are extra holes for Oriental Motor's gearbox....
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 28 December 2008, 08:06
Replies: 36
Views: 51,323
Posted By Mongkol
Puzzled with plate-supportmotor.

Hi Gerald and All,
I am designing table by using mechmate method and I can not find the plate-supportmotor drawing on the downloaded file.I am little puzzled with Mechmate design and have some...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 22 December 2008, 20:17
Replies: 36
Views: 51,323
Posted By Mongkol
Gerald, I will choose at third choice. ...

Gerald,
I will choose at third choice.

Big Thanks
Mongkol
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 22 December 2008, 08:09
Replies: 36
Views: 51,323
Posted By Mongkol
Hi Gerald, Thanks for your reply. I feel...

Hi Gerald,
Thanks for your reply. I feel clear. I agree with you the router machine have to touch on material but the plasma machine don't need to touch. Then,It's necessary to have the two motors...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 21 December 2008, 20:19
Replies: 36
Views: 51,323
Posted By Mongkol
Hi Alan, Thanks for your comment. I found...

Hi Alan,
Thanks for your comment. I found Samson machine from this website http://www.samsoncnc.com/. It only use the one motor to drive of each axis.He use the rack-pinion method as same as Gerald...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Sun 21 December 2008, 08:25
Replies: 36
Views: 51,323
Posted By Mongkol
Is it necessary to have the two stepper motors on X-axis?

Gerald and The Experter,
From your design,I am little puzzled with X-axis. Is it necessary to have the two stepper motors? It's possible or not if I only use the one stepper motor with double high...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Tue 04 November 2008, 16:41
Replies: 36
Views: 51,323
Posted By Mongkol
Concept rack and pinion design

:)Big Thanks for detail
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Tue 04 November 2008, 07:24
Replies: 36
Views: 51,323
Posted By Mongkol
Rack and pinion concept

Gerald and All,
Big Thanks for information!!. It sound like the Y-axis use 2 stepping motors ( left and right)to control. Is this correct?

Ton
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 03 November 2008, 10:28
Replies: 36
Views: 51,323
Posted By Mongkol
concept rack and pinion design

Heath,
Thanks for your help. I downloaded Mechmate plan to find the concept of rack and pinion design. I am still puzzled with the connection and holding of motor with rack.( of each axis). It's...
Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Mon 03 November 2008, 07:00
Replies: 36
Views: 51,323
Posted By Mongkol
Concept Rack and Pinion design

Ton started the thread before the posts above were copied into it . . . .

Dear All,:)
I am finding the concept of Rack and Pinion design. I am building plasma table at 4' x 8' ft. Who can advise...
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