During the restoration of Ellis Island I had the opportunity to watch the Plaster's make ceiling cove molding , and they would place a pile of plaster (did not harden fast ) on a table and used a...
Type: Posts; User: bob_dodd
During the restoration of Ellis Island I had the opportunity to watch the Plaster's make ceiling cove molding , and they would place a pile of plaster (did not harden fast ) on a table and used a...
This might help http://www.talkshopbot.com/forum/showthread.php?16505-VFD-Connection-Question also search spindles
search forum Desktop vacuum or this http://www.shopbotblog.com/2006/11/a-removable-vacuum-plenum-that-maximizes-hold-down-potential/ for some ideas
Don V Carve Pro under model in drop down list slice model also Part Works 3D , do a forum search slice model , some info there
I use a Viper / Destiny Tool 1/4shank , 3 flt bit .005 to .008 a pass , 1.5" and adjust speed of spindle to get chips(10,000 - 12,000 ) no air , Dry , I have gotten them on Ebay from Drillman , This...
PRIVATE message sent
http://catalog.orientalmotor.com/Asset/pk296b1a-sg_stc.jpg
on the bottom left chart the motor is rated @ 48VDC , if you look at the dashed line for SG7.2 motor spec , the torque drops off at around...
Mayo
In you first couple of post you say when you loosen turn buckle it may be better , also you cut a lot of EPS foam , I had a problem like this once and it was EPS foam packed in the rack gear ,...
do a google search , Masonic Images http://www.talkshopbot.com/forum/attachment.php?attachmentid=29115&stc=1
Tom
I do not see the picture of the board now , but I remember seeing one in a early post , As you say there are only 4 heat sinks which are for the drivers , There were one heat sink by X1 , X2 , Y...
Tom
( control box off ) if you have a ohm meter unhook X1 wire from control box and motor ring out this wire green to green and so on , if wire checks out ok ,,Remount the 3.6 motor on X1 side ,...
Tom
In the Shopbot command console under "VALUES" goto "UNIT VALUES" change the X, Y, Z to 1833.465 this is for 3.6 with 25 Tooth pinion gear , or change to 2291.831 if using 3.6 with 20 tooth gear...
That is a Shopbot model "PR 4896" follow the grey wires from the stepper motors , there should be a Shopbot control box (looks like a computer tower) if you have that , then you just need a...
Tom
My PRT control box was set up this way , but back then things changed a lot , would also talk to Frank at Shopbot , with that said;;
The X channel that you are having trouble with ,, on the...
Tom
Looked at your pictures you posted of your machine , you might be able to adapt , by drilling new holes , or by making them out of aluminum plate , or a botter may have some extras , willing to...
Tom If you shut off the control box ( important ) and change (swap ) the X1 and X2 Plugs on the back of the control box and see if it runs rough or smooth , this will let you know if the driver is...
Tom
$75.00 for everything , the X axis has 2 motors , the Y axis has 1 , You would still need 1 motor for the Z axis , I think sometimes they used a 7.2 motor on the Z
if interested send a private...
I have 3 Oriental PK296A1A-SG3.6 motors , I used them on a Shopbot PRT , The SG stands for STRAIGHT GEAR Shopbot uses a Tapered Hub Gear I Believe , What this means is a couple of thousands of inch...
SOLD on its way to a new home Good luck Tom
Sold thanks
OK The Dual Vee wheels and bushings have sold , that leaves
Shopbot control board PRT X1 channel not working , have 3 ic chips for board, 2 cards (1 installed on board and 1 loose ) , 1 serial to...
Shopbot control board V3.54 , PRT 032104-02256 4 Channels working with 2 cards , this has just been used in a stand alone indexer , Channel X1 is not working , that leaves 4 Channels
Included also...
http://www.talkshopbot.com/forum/attachment.php?attachmentid=28278&stc=1
These 4 bits original cost $540.00 (picture right side up this time)...
Randall The spindle is 2.2 KW 220V , 6000-24000 RPM , water cooled in a closed anti freeze filled system , the inside of the spindle stay clean as separate from shop environment , coolant flows thru...
SHOPBOT DESKTOP 5 1/2" Z with limit switches on 3 axis , purchased 3-25-2014 been used as my hobby machine since retirement, machine has been well maintained , Has a new HDO 3/4" plywood with a 1/4"...