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17th June 2019, 12:28 PM #1GOLD MEMBER
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Hammer N4400 VFD/single phase conversion?
Now, I know the real answer to this is ‘we need a picture of the motor plate and inside the connection box’, and I also realise that hammer do these in 230V single phase flavour... But there’s a 2nd hand 3p Hammer N4400 bandsaw floating around, and I wondered if anyone knew off-hand if the motor is convertible to 1P?
I’ll have a chat to Felder about the cost of replacing the motor when I get a chance, but I suspect that’ll push the price up to ‘not worth while’
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17th June 2019 12:28 PM # ADSGoogle Adsense Advertisement
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17th June 2019, 01:22 PM #2GOLD MEMBER
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as an aside, i guess the Hammer hasn't come to the party on price (yet)?
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17th June 2019, 02:02 PM #3GOLD MEMBER
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17th June 2019, 10:36 PM #4GOLD MEMBER
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ah I meant the Harvey And I must have edited it mid-upgrade and lost that.. anyway Harvey, Hammer, you can see how i got it wrong
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18th June 2019, 07:27 AM #5GOLD MEMBER
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20th June 2019, 04:23 PM #6GOLD MEMBER
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For posterity, the cost of an official felder/hammer single phase motor for the N4400 bandsaw is $450 for the electronics, and $600 for the motor, both excluding VAT. Not worth going that route unless you find an absolute bargain 3P
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20th June 2019, 04:58 PM #7GOLD MEMBER
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20th June 2019, 04:59 PM #8
I haven't been following this, but can't the 3Ph motor be run with a VFD, with all the variable speed/soft start/stop that comes with it, or is my thinking VFD? I can scuttle away again, if need be.
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20th June 2019, 05:26 PM #9.
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All 415V 3_ motors can be run using a 3P 415V VFD
However, not all 415V 3P motors can be run at full power using a Sngle Phase 240V VFD. Some cannot be run at full power without a complete rewind. O☺️☺️☺️☺️thers can be converted. For some motors this involves just swapping a couple connectors in the motor/mains junction bit, for others internal surgery is required,.
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