Re: Two-speed sewing machines
- From: jaxashby@xxxxxxx
- Date: Wed, 25 Mar 2009 11:39:27 -0700 (PDT)
On Mar 25, 9:19�am, Bill Boyce <w_bo...@xxxxxxxxxxx> wrote:
what? �Thanks, JPBill
Use something called a "motor speed controller", available from
Grainger and others (about $40, for a sewing machine size
controller). It will slow down a "DC type" (essentially meaning it
has brushes) motor to near nothing, yet keep full power available to
the motor. I use one to tame my serger, which I still need a lot of
practice controlling.
I think all home sewing machines use DC type electric motors. I
believe industrial machines, with the big motors under the table, use
phase induction (right term?) type motors which can't be effectively
controlled for speed (except with a friction clutch). Maybe Ron can
comment.
I bought a motor speed controller on ebay for about $8, plus shipping,
as I recall. I recall a number were available on ebay.
.
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