MAINTENANCE

A+B. General concept on machine, it’s  component’s/ part’s & uses: There are several kind’s of machine using in production line. Some details are given bellow:

** Single needle machine:

1.500 machine (ndl feet machine) in 500 machine specially is ndl bar & feed dock move in at a time.

 2. 600 machine: in 600 machine move only feed dock, ndl bar is constant ( not move with ndl bar).

**2 needle machine:

1. Lock stc 2ndl machine – plain 2ndl, left &right 2ndl.

2. Chine stc 2ndl machine.

 ** Over lock machine:

1.     3 Thread over lock – in 3 thread over lock  have 1 ndl.

2.     4 Thread over lock – in 4 thread over lock have 2 ndl & 2 knives (upper & lower) there are no bobbin, have only lopper.

** Inter lock machine: 5 Thread used. Have the chain stc. 2 knives (upper & lower) , no bobbin only lopper used.

** Flat lock machine: 5 Thread, 2 or 3 ndl  are used, both sides chain stc & middle stc is lock stc. No usrd bobbin only lopper as over lock & inter lock machine.

** Button hole machine: For flat hole only.

** Button attach machine: For eye hole making for button insert.

** Cycle machine: Used for Velcro, label easy attaching by edge stc.

** Pattern forma machine: Used for placket making.

** Zig- zug machine: To make zig-zug stc.

** Q Q hole machine: For QQ hole key making.

** Feed of the arm: For 2/3 ndl used to make easy side seam or in seam.

** Kansai machine: Lower stc is  chain to use for waist band.

##  Some important part’s & uses:  ** Tension post: To adjust the machine tension.

** Tack up spring: To control the  thread coming smoothly at ndl point.

** Pressure feet: To press the fabric when sewing is running.

** Feed dock: To advance the fabric at front when  sewing is running.

** Pressure adjuster : To adjust  the pressure of pressure feet.

** Regulator: To set up & control the stc repetition.

** Bobbin winder: To rewind the bobbin by thread.

** Back stc leaver: To create the back stc.

** Needle bar: To hold the needle.

C. Type of stitching: Single ndl, 2ndl, over lock, inter lock, flat lock, chain stc, etc.

D. Sewing problem’s: Thread cutting , bad tension, puckering, etc.

E. Safety tools: Tack up leaver, finger safety guide, machine fully cover,  motor fully cover, eye safety glass.