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Posted by Austin Shackles on August 17, 2008, 5:27 pm
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I bet this appears twice now. it seems to be in limbo, so reposting...
got cheap on ebay a box with forward reverse stop buttons, but that's all it
is, the box and contactors under the buttons. The start buttons have
push-to-make switches and the stop one has push-to-break.
So... can I make it drive the single-phase motor on the lathe, forward and
reverse, and if so what else does it need. I already have
stop-start-overload switch thing, but that only goes one way. It's also not
no-volt release, which is not ideal.
currently, reversing is done with a pair of SPDT switches, which is far from
ideal, especially as they're only just big enough current rating.
--
Austin Shackles. www.ddol-las.net my opinions are just that
Travel The Galaxy! Meet Fascinating Life Forms...
------------------------------------------------
>> http://www.schlockmercenary.com/ << ...and Kill them.
a webcartoon by Howard Tayler; I like it, maybe you will too!
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Posted by Bob Minchin on August 18, 2008, 1:04 pm
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Austin Shackles wrote:
> I bet this appears twice now. it seems to be in limbo, so reposting...
>
>
>
>
> got cheap on ebay a box with forward reverse stop buttons, but that's all it
> is, the box and contactors under the buttons. The start buttons have
> push-to-make switches and the stop one has push-to-break.
>
> So... can I make it drive the single-phase motor on the lathe, forward and
> reverse, and if so what else does it need. I already have
> stop-start-overload switch thing, but that only goes one way. It's also not
> no-volt release, which is not ideal.
>
> currently, reversing is done with a pair of SPDT switches, which is far from
> ideal, especially as they're only just big enough current rating.
Dis you see my reply Austin?
Bob
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Posted by Austin Shackles on August 18, 2008, 4:19 pm
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On or around Mon, 18 Aug 2008 18:04:46 +0100, Bob Minchin
>Austin Shackles wrote:
>> I bet this appears twice now. it seems to be in limbo, so reposting...
>>
>>
>>
>>
>> got cheap on ebay a box with forward reverse stop buttons, but that's all it
>> is, the box and contactors under the buttons. The start buttons have
>> push-to-make switches and the stop one has push-to-break.
>>
>> So... can I make it drive the single-phase motor on the lathe, forward and
>> reverse, and if so what else does it need. I already have
>> stop-start-overload switch thing, but that only goes one way. It's also not
>> no-volt release, which is not ideal.
>>
>> currently, reversing is done with a pair of SPDT switches, which is far from
>> ideal, especially as they're only just big enough current rating.
>Dis you see my reply Austin?
>
>Bob
nope. whole thread seems to be AWOL. unless it was by email, in which
case, you need to fix the address, or it goes into a rarely-checked spambin.
--
Austin Shackles. www.ddol-las.net my opinions are just that
Travel The Galaxy! Meet Fascinating Life Forms...
------------------------------------------------
>> http://www.schlockmercenary.com/ << ...and Kill them.
a webcartoon by Howard Tayler; I like it, maybe you will too!
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Posted by Bob Minchin on August 18, 2008, 4:46 pm
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Austin Shackles wrote:
> On or around Mon, 18 Aug 2008 18:04:46 +0100, Bob Minchin
>
>> Austin Shackles wrote:
>>> I bet this appears twice now. it seems to be in limbo, so reposting...
>>>
>>>
>>>
>>>
>>> got cheap on ebay a box with forward reverse stop buttons, but that's all it
>>> is, the box and contactors under the buttons. The start buttons have
>>> push-to-make switches and the stop one has push-to-break.
>>>
>>> So... can I make it drive the single-phase motor on the lathe, forward and
>>> reverse, and if so what else does it need. I already have
>>> stop-start-overload switch thing, but that only goes one way. It's also not
>>> no-volt release, which is not ideal.
>>>
>>> currently, reversing is done with a pair of SPDT switches, which is far from
>>> ideal, especially as they're only just big enough current rating.
>> Dis you see my reply Austin?
>>
>> Bob
>
> nope. whole thread seems to be AWOL. unless it was by email, in which
> case, you need to fix the address, or it goes into a rarely-checked spambin.
I replied usenet thus:
"Use your existing stop start overload as the NVR and starter and wire
the new box as a latching forward/reverse switch.
Bob "
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Posted by Austin Shackles on August 19, 2008, 3:22 am
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On or around Mon, 18 Aug 2008 21:46:10 +0100, Bob Minchin
>Austin Shackles wrote:
>> On or around Mon, 18 Aug 2008 18:04:46 +0100, Bob Minchin
>>
>>> Austin Shackles wrote:
>>>> I bet this appears twice now. it seems to be in limbo, so reposting...
>>>>
>>>>
>>>>
>>>>
>>>> got cheap on ebay a box with forward reverse stop buttons, but that's all it
>>>> is, the box and contactors under the buttons. The start buttons have
>>>> push-to-make switches and the stop one has push-to-break.
>>>>
>>>> So... can I make it drive the single-phase motor on the lathe, forward and
>>>> reverse, and if so what else does it need. I already have
>>>> stop-start-overload switch thing, but that only goes one way. It's also not
>>>> no-volt release, which is not ideal.
>>>>
>>>> currently, reversing is done with a pair of SPDT switches, which is far from
>>>> ideal, especially as they're only just big enough current rating.
>>> Dis you see my reply Austin?
>>>
>>> Bob
>>
>> nope. whole thread seems to be AWOL. unless it was by email, in which
>> case, you need to fix the address, or it goes into a rarely-checked spambin.
>I replied usenet thus:
>
>"Use your existing stop start overload as the NVR and starter and wire
>the new box as a latching forward/reverse switch.
>Bob "
ah, right. Hmmm.
the swtiches in the new box are not latching though. They're just
push-to-make. I get the impression it's intended to control something else.
Also, the current switch is not NVR (although that too was cheap), and I'd
prefer it if it was.
I may have to hunt a proper one...
--
Austin Shackles. www.ddol-las.net my opinions are just that
Travel The Galaxy! Meet Fascinating Life Forms...
------------------------------------------------
>> http://www.schlockmercenary.com/ << ...and Kill them.
a webcartoon by Howard Tayler; I like it, maybe you will too!
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>
>
>
>
> got cheap on ebay a box with forward reverse stop buttons, but that's all it
> is, the box and contactors under the buttons. The start buttons have
> push-to-make switches and the stop one has push-to-break.
>
> So... can I make it drive the single-phase motor on the lathe, forward and
> reverse, and if so what else does it need. I already have
> stop-start-overload switch thing, but that only goes one way. It's also not
> no-volt release, which is not ideal.
>
> currently, reversing is done with a pair of SPDT switches, which is far from
> ideal, especially as they're only just big enough current rating.