Re: [CAD_CAM_EDM_DRO] Re: Looking for belt drive ISO 10 spindle

usually at that flow rate, you're talking screw compressors, they go
cheap used,
but cost $ to run, they effectively bleed off air you don't need.

erie

flyasuperseven wrote:

>Thanks for the info.
>
>As another option I googled and found an air spindle that seems in
>this range. What are the pros and cons of an air spindle vs an
>electric spindle?
>
>One thing I noticed is that they sure use the air. What type of
>compressor is able to deliver around 60cfm at 90psi? Even the big
>standup shop ones only put out about 1/4 this. Is there another
>style that is typically used on the air spindles?
>
>Joa
>
>--- In CAD_CAM_EDM_DRO@yahoogroups.com, erie <erie@s...> wrote:
>
>
>>find a used Precise SC-77, with chiller and inverter (or the air
>>
>>
>cooled
>
>
>>SC-60), should be doable for about $1-1.5K
>>Max collet size is 3/8", collets are pricey (~80 each) but they
>>
>>
>work
>
>
>>like a charm. (note that
>>the precise spindles are a 2 phase motor and a generic 3 phase
>>
>>
>inverter
>
>
>>won't work)
>>
>>erie
>>
>>flyasuperseven wrote:
>>
>>
>>
>>>What options are out there for about a 1 hp spindle capable of
>>>40,000RPM or so? Preferably something relatively affordable for
>>>
>>>
>a
>
>
>>>home type machine.
>>>
>>>Joa
>>>
>>>
>
>
>
>
>
>
>
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