Features of the Janome 634D Sewing Machine
Up to 4 thread overlock
This is arguably where the strength of this machine lies. It can be used to create overlocks with either 2, 3, or 4 threads, and this ensures that you have more options to wrap around the edge of the fabric tightly.
This is made possible by the machine’s twin needles and twin loopers, each requiring its thread. However, you can use two threads by threading only one needle and one looper, three threads by threading 1 needle, and both loopers or 4 threads by threading all needles and all loopers.
Of course, threading all 4 is better because it will produce the best overlocks, but you can thread as you please.
Easy to use and maintain
This unit is very easy to use. Other sergers normally require their plates to be changed when switching from conventional overlocks to creating rolled hems and vice versa. However, this model simply requires you to flip a switch when shifting between the two modes, and that’s it.
This is coupled with snap-on presser feet that make it easier to shift completely to the new mode and back.
In terms of maintenance, the machine has two covers that open up the internal mechanisms underneath, enabling you to clean and oil it for optimal performance.
Fast, quiet and compact
This machine has a top speed of 1300 stitches per minute, which makes it very fast and good for completing your projects in a short time.
This is made possible by its powerful motor that operates quietly and smoothly to deliver these fast speeds.
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