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Bernette b44 User Manual

Bernette b44
24 pages
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©2019 BERNINA of America. Permission granted to copy and distribute in original form only. Content may not be altered or used in any other form or under any other branding.
For bernette Overlockers: b44, b48
WORKBOOK #1 – BASIC SERGER USE
OVERLOCKER
MASTERY
BOOK
SERIES
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Bernette b44 Specifications

General IconGeneral
TypeOverlocker
Buttonhole StylesNot applicable
Presser Foot PressureAdjustable
DisplayNo
LightLED
Number of Threads2/3/4
Sewing Speed1300 stitches per minute
Maximum Sewing Speed1300 stitches/minute
Weight7.5 kg
Stitch Length1-4 mm
Dimensions34 x 18 x 29 cm

Summary

Introduction to the Bernette Overlocker

Reference: Overlocker Needles

Need to Know About Overlocker Needles

Key information regarding needle insertion, care, and selection for proper stitch formation.

Reference: Overlocker Threads

4-Thread Overlock Stitch Guide

Adjusting Tension Settings for Balanced Stitch

Upper and Lower Loopers - Tight Tension Correction

Correcting tight looper tension causing fabric roll or seam allowance fold.

Upper Looper - Loose Tension Correction

Fixing loose upper looper tension where thread is visible on the back.

Lower Looper - Loose Tension Correction

Correcting loose lower looper tension where threads don't lock.

Left Needle - Loose Tension Correction

Addressing loose left needle tension causing loops on fabric underside.

Right Needle - Loose Tension Correction

Explaining loose right needle tension, causing loops on fabric underside.

Needles - Tight Tension Correction

Guiding on correcting tight needle tension causing fabric puckering.

Stitch Length Adjustments

General Guidelines for Stitch Length Settings

Provides recommended stitch length settings for various fabric types and effects.

Cutting Width Adjustments

Differential Feed for Stretchy Fabrics

Differential Feed for Soft Fabrics

Presser Foot Pressure Settings

3-Thread Overlock Stitch - Wide

3-Thread Flatlock Stitch - Wide

3-Thread Overlock Stitch - Narrow

3-Thread Flatlock Stitch - Narrow

3-Thread Rolled Hem Technique

2-Thread Rolled Hem with Upper Looper Converter

Using the Upper Looper Converter

Details the installation and use of the Upper Looper Converter accessory for 2-thread rolled hems.

2-Thread Flatlock Narrow with Upper Looper Converter

Attaching the Upper Looper Converter

Explains how to attach and use the Upper Looper Converter for 2-thread flatlock.

Overlocker Techniques: Securing Seams

Overlocker Techniques: Inside Corner

Overlocker Techniques: Outside Corner

Outside Corner - Option 1

Describes the first method for sewing an outside corner, using seam sealant.

Outside Corner - Option 2

Details the second method for sewing an outside corner, using fabric pivoting.

Overlocker Techniques: Differential Feed and Gathering

Supplies List

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