Re: AUTOMATIC TOOL CHANGER

I found found the 2 degree motors. it was not problem at all.
BY the way what did that commercial made ijection moulding machine cost?
Dan
-----Original Message-----
From: Brian Fairey <bfairey@...>
To: CAD_CAM_EDM_DRO@onelist.com <CAD_CAM_EDM_DRO@onelist.com>
Date: Monday, June 07, 1999 7:13 AM
Subject: Re: [CAD_CAM_EDM_DRO] AUTOMATIC TOOL CHANGER

>From: Brian Fairey <bfairey@...>
>
>Dan, did you find a 2deg stepper? if not I have some.
>Now you have solved the tool changer for your lathe design one for the

verticle mill????????

>Brian, Ont, Can.
>ps what plastic parts do you want to make? I have a Plasticor from

Simplomatic in Chicago.

>
>Dan Mauch wrote:
>
>> From: "Dan Mauch" <dmauch@...>
>>
>> I am currently working on two new projects.
>> 1. An automatic tool changer for my CNC lathe.
>> 2. An injection molding machine to make plastic parts.
>> On the tool changer I bought a heavy duty tail stock turret attachment

for

>> my JET 13X25 lathe. It has 6 posistions. I plan to drive it directly with

a

>> nema 34 stepper motor rated at 150 oz inches.
>> The tool changer will be for those pesty jobs where you have to center
>> drill, step drill, step drill, ream and chamfer. The key was to find a 2
>> degree per step stepper motor . This makes dividing the 360/6 easy and it
>> comes out to be an even number.
>> I am figuring that with everything on center that there should be little
>> forces trying to make the turret rotate axiallly for the lined up

posistion.

>> The radial forces are dealt with within the turret attachment.
>>
>> Projects finished.
>>
>> Adding a servo system to my mill drill
>> Solving the mill/drill quill backlash problem.
>> DRO
>>
>> BTW the DRO boards are on order and the scheduled date is 6-24.
>> Dan
>>
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