Production Calculations on Flat Knitting Machines
  • Production Calculations on Flat Knitting Machines

     

    Number of Stitches Produced per Hour

     

     

                     nx 2 x SS x R x 60

    UISS = --------------------------------

                               RS

     

     

    UISS = Number of rows of loops produced in an hour (row / h)

     

    n = Number of revolutions (rpm)

     

    SS = Number of Systems

     

    R = Machine efficiency ( % )

     

    RS = Number of colors (will be considered for jacquard products)

     

     

    Fabric length produced per hour

     

     

                     UIIS

    UKM = --------------------------

                   S x 100

    UKM = length of fabric produced in one hour (mt)

    UIIS = Number of rows of loops produced in an hour (row / h)

    S = Row spacing ( at 1 cm )

    Fabric produced in one hour in square meters

    Production in square meters of fabric produced in one hour = UKM x KE

     

    UKM = length of fabric produced in one hour (mt)

     

    KE = Fabric Width ( mt )

     

    Number of parts produced per hour

     

     

                       UKM x 100

    UPS = --------------------------

                           PB

     

    PPS = number of parts produced per hour

     

    UKM = amount of fabric produced per hour ( mt)

     

    PB = Piece length ( cm )

     

     

    Weight of fabric produced in satte

     

     

              

                   UPS x HP

    UKM = ----------------------

                       1000

     

     

    UKM = Production amount per hour ( kg )

     

    PPS = number of parts produced per hour

     

    BG = Unit weight (gr / piece)

     

     

    Thread length per hour

     

     

    L = I x CS x B

     

    L = Length of yarn used in a row (mt/row)

     

    I = Loop thread length ( cm )

     

    CS = number of bars per cm.

     

    B = Fabric width (mt)

     

     

    Amount of thread used per hour

     

     

    L ( m/h) = L x UISS

     

    L ( m / h ) = Length of thread used in one hour

     

    L = Length of yarn used in a row (mt/row)

     

    UISS = Number of rows of loops produced in an hour (row /h)

     

     

    Number of Needles Working in the Machine

     

     

                   MCG x E

    EW = -----------------------

                     2,54

     

     

    CW: Number of needles worked on the machine (cm)

     

    MÇG: Working width (cm)

     

    E : Machine fineness

     

     

    Required Calculations for Front and Rear Parts

     

     

    Number of needles required for one piece:

     

     

                  KG x D

    DIRTY = -------------------

                    10

     

     

    D = number of loop bars in 10 cm

     

    KG = Side Width

     

    PIS = Number of needles required for a piece

     

     

    Number of pieces that can be knitted in machine width:

     

     

                   URINE

    PS. = ------------------

                   PIS

     

     

    PS: Number of pieces

     

    CIS : Number of needles worked on the machine (cm)

     

    PIS : Number of needles required for a piece

    Number of rows required for the belt:

     

     

                Rank x KG

    CSR = ---------------

                     10

     

     

    Row: Number of rows of loops in 10 cm

     

    KSS : Number of rows required for the belt

     

    KG: Edge width

     

     

    Number of rows in body knitting length

     

     

                       Rank x AIM

    BÖSS = -----------------------

                           10

     

     

    BÖSS : Number of rows in body knitting length

     

    Row : Row frequency at 10 cm

     

    BÖB : Body knitting length

     

     

    Number of whole rows in size:

     

     

    BTSS. = CSR + BÖSS

     

    BTSS : Number of rows throughout the body

     

    KSS : Number of rows required for the belt

     

    BÖSS : Number of rows in body knitting length

     

     

    Necessary Calculations for Arms

     

     

    Number of needles for sleeve:

     

     

                    KG x D

    WMD = ------------------------

                       10

     

     

    CI: Number of arm needles

     

    KG : Arm width

     

    D= the number of loop bars in 10 cm.

     

     

    Number of armhole rows:

     

     

                   Rank x KU

    KASS. = -------------------

                         10

     

     

    CSR : Number of rows of armholes

     

    Row: row density at 10 cm

     

    KU: Side length

     

     

    Number of rows in arm length

     

     

                     Rank x KB

    KBSS = ---------------

                         10

     

     

    KBSS : Number of rows at arm length

     

    Row : Row frequency at 10 cm

     

    KB: arm length

     

     

    Number of whole rows at sleeve length:

     

     

    KTSS = CSR + KBSS

     

    KTSS : All rows in arm length

     

    CSR : Number of rows of armholes

     

    KBSS : Number of rows at arm length

     

     

    Knitting Time for Collar

     

     

                        

                         TYSS

    FACE = ------------------------

                    nx 2 x WSG

     

     

    FACE : Collar knitting time (min.)

     

    TYSS : Number of rows required for the entire collar

     

    n : Machine speed (rpm)

     

    WG : Workplace width

     

     

    Knitting Time Calculation for the Whole Sweater

     

     

                      BTSS

    OAZ. = ------------------------

                     nx 2 x WSG

     

     

    SPE : Time taken for front and rear parts (min.)

     

    BTSS : Number of rows throughout the body

     

    n : Machine speed (rpm)

     

    WG : Workplace width

     

     

                         KTSS

    EMBERS. = --------------------------

                     nx 2 x WSG

     

     

    ERM : Arm knitting time (min.)

     

    KTSS : All rows in arm length

     

    n : Machine speed (rpm)

     

    ÇYS : Workplace width

     

    BKÖZ = SPE + EMER + EYZ

     

    BKÖZ: The whole sweater knitting time (min.)

     

    SPE : Time taken for front and rear parts (min.)

     

    ERM : Arm knitting time (min.)

     

    FACE : Collar knitting time (min.)

     

     

     

     

    Posted by %AM, 10%305%2016 09%:%Apr in Knitting Read 3549 times

Production Calculations on Flat Knitting Machines