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Overlock Sewing Machine is First Sewing Machine
Overlock Sewing Machine

Overlock Sewing Machine. Brother Industrial Sewing Machine

Overlock Sewing Machine:

Overlock Sewing Machine is very first sewing machine made by brother and other manufacturers.  The sewing machine which is used for sewing edge or to join two or more fabric pieces by five or more threads is called over lock sewing machine. Usually this machine will cut the edges of the cloth as they are fed though some are made without machine cutters.

Function of Overlock Sewing Machine:

The functions of brother over lock sewing machine are given below.

Overlock sewing machine
Overlock Sewing Machine
  • Over locks sewing machine makes an edge finish and sew seams of fabric.
  • It cuts off the fabric for smooth edge for sewing with nancy sewing
  • This sewing machine is suitable for sewing such as T-shirt, skirt, suit,  trousers etc
  • This sewing machine suitable for diverse stitch as selectable options

Specifications of Brother Industrial Sewing Machine:

[label type=”label” title=”Specifications Name”] [label type=”label” title=”Specifications Value”]
Category Sewing
Machine Category Sewing machine
Product Name 5 thread sewing machine
Product Model According to Manufacturer
Product Class New
Origin China/India/Others
Brand/Manufacturer Brother industrial sewing machine
Agent in Bangladesh No/Yes
Power 220v/380v, 250W
Temperature Normal
Certification SGS/Others
Production Capacity NA
Mechanical Configuration Flat-Bed
Stitch Length 0-3mm
Feed Mechanism Needle Feed
Weight 20KGS
Speed 6500rpm
Stitch Formation Over  lock Stitch
Max. Sewing Thickness 5mm
Dimensions 60mm*20mm*40mm
Super high speed 5 thread
Description Unique design,excellent performance,steady running,non-noise,longer usetime,aesthetic stitch,easier operation

Features of Brother Sewing Machines:

The features of brother sewing machines are given below.

  • Brother sewing machines are suitable for over edging operation of thin, moderate and thick fabrics
  • Brother sewing machines was equipped with automatic lubricating system
  • Safety over lock machine is a combination of 3 threads over lock machine and 2 thread chain stitch
  • This sewing machine has 1 thread and 2 loopers and works with 3 spools or cones of thread.
  • Highest speed of over lock machine is up to 8500 rpm.
  • Used for needles, 3 loopers and 5 cones of thread.
  • It provides straight chain stitch plus an edge finish.
  • Sewing machine repair facility
  • It is similar of baby lock

Installation Procedure of Overlock Machine:

The machine should be connected correctly according to illustrations shown herewith. Fix the Secondary Board to the under face of machine table by Bolt and Nut. Rubber Cushion should be put into each hollow of Supporting Board.

Installation Procedure of Overlock Machine
Installation Procedure of Overlock Machine

Sewing Speed and Turning Direction of Pulley :

The highest sewing speed of this machine is shown in the table below. However, from the point of view durability it is preferred to function in the initial use of new machine at a speed of 20-25 that is lower than the highest speed for 200 hours approximately about one month.

Brother Sewing Machine Parts :

Brother sewing machine parts are listed below-

Brother Sewing Machine Parts
Sewing Machine Parts
  • Presser foot release
  • Adjusting screw
  • Tape Guide
  • Eye guard
  • Oil cap
  • Thread guide
  • Thread tension spring
  • Belt cover
  • Oil sight gauge
  • Push button
  • Front cover
  • Model plate
  • Indicate lamp
  • Metering devices
  • Roller
  • Cylinder cover
  • Presser footer
  • Presser arm
  • Differential lever

 Elastic Tap Feeder and Control Box – 

Brother sewing machine parts including elastic tap feeder and control box

Elastic tap feeder and Control box
Elastic Tap Feeder and Control Box

Elastic Tap Feeder- 

  • Tap spool bar
  • Guide bar
  • Switch lever
  • Pole
  • Clamp
  • Main roller
  • Sub roller

Control Box – 

  • Display
  • Function Switch
  • Setting Switch
  • Power Plug
  • Power Switch
  • Fuse Holder

Motor Pulley-

Use the Clutch Motor of 3 phase and bi-polar, 400 Watt  and V-Belt of Type M. The motor should be located making both center lines of Motor Pulley and Machine Pulley be aligned when the Motor Pulley shifts to the left by pedaling.

Lubrication for Overlock Machine:

Quality machine oil is recommendable as the lubricant.

oil of brother sewing machines
Lubrication

Feeding OiI:

Because oil in machine have been drained completely at the shipment when it must be replenished with new oil without fail before the operation. The feeding should be made up to the upper one of 2 lines of Oil Sight Gauge(A) removing Oil Cap (D) marked OIL.  At the beginning use of brand new machine and the reuse of machine after long suspension of operation feed 2 or 3 drops of oil to Needle Bar(B) and Upper Looper Bar(C) without any fail.

Oil Gauge and Confirmation of Oil Flow:

Before the operation every day check the Oil Gauge regularly and replenish oil if the oil surface is below 2 lines. Oil Cap (D) should be tightened after the replenishment. At the beginning of operation confirm also that oil is flowing out of Oil Nozzle looking through Oil Cap (0).

Exchange of 0iI for Overlock Sewing Machine:

To have a long life of overlock sewing machine, after operation of about 250 hours the oil should be changed completely.

Exchange of 0iI for brother industrial sewing machine
Exchange of 0iI

After that, the oil should be changed 2 or 3 times a year. Oil change should be made as follows.

  1. Bring the machine head on the Table and
  2. Drain oil and removing Drain Screw(E)
  3. After draining, tighten the Drain Screw(E) again without fail
  4. To replenish the new oil, refer to “Feeding Oil” (Item 5-2)

Check of Oil Filter and Exchange:

If the Oil Filter clogged with dust normal feeding of oil is impossible. Ordinarily, it is recommended to check the Filter every six months. In case of no oil comes out of Nozzle despite the oil reservoir is sufficient and in case of reservoir of oil is extremely little, check the machine.

Exchange oil for brother sewing machines
Exchange

To repair ad check the Filter of Overlock Sewing Machine remove Oil Filter Cap(G). If the Filter is clogged with dust, it must be renewed. You can read more about this machine from brother sewing machine manual of their official site

[1] Obaidur Rahman, B.Sc.in Textile Engineering, BTEC

 

About Engr. Kh. Mashiur Rahman

He is Garment Automation Technologist and Editor in Chief of Autogarment. He is certified Echotech Garment CAD Professional-China, Aptech-India, NCC-UK and B.Sc. in CIS- London Metropolitan University, M.Sc. in ICT-UITS. He is working as a Successful Digital Marketer and Search Engine Specialist in RMG sector during 2005 to till now. Contact him- apparelsoftware@gmail.com

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