Knitting Technology Questions 2
• Knitting Technology Questions 2

P.63. In flat knitting machines with a single system, the slideway, that is, the machine width How is (cm) calculated?

C.63. Slideway (machine width) (cm) = Machine Working Width (cm) + ( 2 x Return path (cm) (sum of parts not worked on the machine)

P.64. How is the machine speed ((m/sec.) calculated on flat knitting machines with a single system?

C.64.Machine speed ((m/s.) = Slideway (machine width) (cm) x Number of round trips per minute (course/min.) / 100

P.65.The working width of the single-system flat knitting (knitwear) machine is 320, the return path is 40 cm, and the machine speed is 16 rpm. What is the working speed of this machine?

C.65. Machine speed ((m/s.) = Guideway (machine width) (cm) x Number of round trips made by the machine in one minute (stroke/min.)

Machine Speed ​​(m/sec.) = Slideway (machine width) (cm) xn(stroke/min. /100 x 60

Slideway (machine width) (cm) = 320 + (40x2) = 400 cm

Since the sled covers the return path once on the way and on the way back, the return path is multiplied by two when calculating the width of the machine.

Number of round trips made by the machine in one minute = 16 (rpm) x 2 = 32 strokes/min.

Machine speed (m/s) = 400 x 32 / 100 x 60

Machine speed (m/sec.) = 2.13 m/sec.

Q.66.What is the difference between the working speeds of double and more system flat knitting (knitwear) machines?

C.66. The difference of flat knitting (knitwear) machines with double or more systems from single system is that if each system knits a row, it knits as many rows as the number of systems in each movement. Here only the number of rows changes.

P.67. How to find the number of rows (course/min.) on multi-system machines?

C.67. In multi-system machines, the number of revolutions is multiplied by the number of systems, and the number of rows per minute (course/min.) is found.

P.68. In the six (6) system flat knitting (knitwear) machine, the working width is 320, the return path is 40 cm, and the machine speed is 16 rpm. What is the working speed of this machine?

C.68.

Machine speed ((m/s.) = Guideway (machine width) (cm) x Number of round trips made by the machine in one minute (stroke/min.)

Machine Speed ​​(m/sec.) = Slideway (machine width) (cm) xn(stroke/min. /100 x 60

Slideway (machine width) (cm) = 320 + (40x2) = 400 cm

Since the sled covers the return path once on the way and on the way back, the return path is multiplied by two when calculating the width of the machine. In machines with more than one system, the number of revolutions is multiplied by the number of systems.

Number of round trips made by the machine in one minute = 16 (rev/min.) x 2 = 32 courses/min (for a single system) 32x6= 192 courses/min. ( for 6 systems )

Machine speed (m/s) = 400 x 192 / 100 x 60

Machine speed (m/sec.) = 12,8 m/sec.

P.69. In what respect are the number of revolutions and the number of systems important in flat knitting machines?

C.69. It is important in terms of production efficiency.

Q.70. Explain the working speed in Circular Knitting Machines?

C.70.Circular knitting machines are many times faster than flat knitting (knitwear) machines. The number of revolutions and systems in circular knitting machines is much higher than in a flat knitting machine. The main purpose and working principle of circular machines is to produce more fabric in a short time. The systems are fixed and movable needle plates are formed so that it is designed to knit 40-120 rows at the same time.

Q.71. What information, namely data, is needed for working speed calculations in Circular Knitting Machines?

C.71. Machine Speed ​​(m/sec.) - Pi number - Machine Diameter (haze) and Machine speed (rpm)

S.72.What is the formula used in working speed calculations in Circular Knitting Machines?

C.72. Machine Speed ​​(m/s) = Number of Pi x Machine speed (rpm) x Machine Diameter (haze) x 2,54 / 100 x 60

P.73. If the machine is 28 rpm, what does this mean to you?

C.73. This means that the machine rotates 28 revolutions per minute.

P.74. What does the calculated speed mean on circular knitting machines?

C.74. The speed calculated in circular knitting machines shows the value in meters of the distance made by the knitting cylinder per second.

P.75. Machine Speed(m/s.) = Pi number x Machine revolution (rpm) x Machine Diameter (haze) x 2,54 / 100 x 60. What does 2,54 in this formula mean?

C.75. The number 2,54 in the formula is to convert this value to cm because the machine haze is given in inches.

P.76. What is the cycle in circular knitting machines?

C.76. Since these machines rotate circularly in the same direction, it is calculated as one revolution when they reach the starting point.

P.77. What is the effect of the number of systems on the circumferential speed in circular knitting machines?

C.77. Due to the working principle of circular knitting machines, the number of systems has no effect on the peripheral speed.

Q.78. What information is needed for the Calculation of the Number of Rows of Stitches Produced per Hour in flat knitting machines?

C.78. Number of revolutions (rpm) - Number of systems - Machine efficiency (%) - Number of colors (Considered in jacquard products.)

S.79.What is the formula used to calculate the Number of Rows of Stitches Produced per Hour in flat knitting machines?

C.79. Number of rows of stitches produced in an hour (row/h) = Number of revolutions (rpm) x 2 x Number of systems x Machine efficiency (%) x 60 / Number of colors (It is taken into account for Jacquard products.)

S.80. Calculation of How Many Meters of Fabric are Produced per Hour in Flat Knitting Machines What information is needed for

C.80. Number of rows of loops produced in an hour (row/h) and Row frequency (row/cm)

S.81. What is the formula used to calculate how many meters of fabric are produced per hour in flat knitting machines?

C.81. Amount of fabric produced per hour (m) = Number of rows of stitches produced per hour (row/h) / Row density (row/cm) x 100

P.82. What information is needed to calculate the amount of fabric produced in square meters per hour on flat knitting machines?

C.82. Amount of fabric produced in an hour (m) and Fabric width (m)

S.83.What is the formula used to calculate the amount of fabric produced in square meters per hour in flat knitting machines?

C.83. Production in m2 of fabric produced in an hour (m2/h) = Amount of fabric produced in an hour (m) x Fabric width (m)

P.84. What information is needed for the Calculation of the Quantity of Pieces Produced per Hour on flat knitting machines?

C.84. The amount of fabric produced in an hour (m) and the length of the piece (cm)

S.85. What is the formula used to calculate the Quantity of Pieces Produced per Hour in flat knitting machines?

C.85. Number of pieces produced per hour = Amount of fabric produced per hour (m) x 100 / Piece length (cm)

P.86. Calculation of the Amount of Fabric Produced per Hour in Flat Knitting Machines by Weight What information is needed for

C.86. Number of pieces produced per hour and Unit weight (g / piece)

S.87. Calculation of the Amount of Fabric Produced per Hour in Flat Knitting Machines by Weight What is the formula used for?

C.87. Fabric production per hour (kg) = Number of pieces produced per hour x Unit weight (g / piece) / 1000

P.88. What information is needed for the yarn length spent in a row on flat knitting machines?

C.88.Loop thread length (cm) - Number of sticks per cm and Fabric width (m)

Q.89. What is the formula used for the yarn length spent in a row in flat knitting machines?

C.89. Thread length used in one row (m/row) = Loop thread length (cm) + Number of bars per cm + Fabric width (m)

Q.90. What information is needed for the amount of yarn used in an hour in flat knitting machines?

C.90. Yarn length used in a row (m/row) and Number of rows of stitches produced per hour (row/h)

Q.91. What is the formula used for the amount of yarn used in an hour in flat knitting machines?

C.91. Length of thread used per hour (m/h) = Length of thread used in one row (m/row) x Number of rows of stitches produced per hour (row/h)

P.92. What information is needed for the Number of Working Needles Calculation in flat knitting machines?

C.92. Working width (cm) and Machine thickness

Q.93. What is the formula used for Calculating the Number of Working Needles in flat knitting machines?

C.93. Number of needles worked on the machine (cm) = Working width (cm) x Machine thickness / 2,54

Q.94. What information is needed for the number of needles required for a piece on flat knitting machines?

C.94. Edge width and number of loop bars per 10 cm.

Q.95. What is the formula used to calculate the number of needles required for a piece in flat knitting machines?

C.95.Number of loop bars per side width x 10 cm / 10

Q.96. What information is needed for the number of pieces that can be knitted in flat knitting machines?

C.96. Number of needles worked on the machine (cm) and Number of needles required for a piece.

Q.97. What is the formula used for the number of pieces that can be knitted in machine width in flat knitting machines?

C.97. Number of pieces = Number of needles worked on the machine (cm) / Number of needles required for a piece.

P.98. What information is needed for the number of rows required for the Belt on flat knitting machines?

C.98. Border width and number of rows of stitches per 10 cm

S.99. What is the formula used for the number of rows required for the Belt in flat knitting machines?

C.99. Number of rows required for the belt = Side width x row density in 10 cm / 10

Q.100. What information is needed for the number of rows in size knitting in flat knitting machines?

C.100. Body knit length and row density at 10 cm

Q.101. What is the formula used for the number of rows of body length in flat knitting machines?

C.101. Number of rows in size knit length = Body knit length x row density in 10 cm / 10 P.102. What information is needed for the whole number of rows in the size of flat knitting machines?

Q.103. What is the formula used for the whole number of rows in the size in flat knitting machines?

C.103. Number of whole rows in the size = Number of rows required for the belt + Number of rows in the length of the body knit

P.104. What information is needed for the number of needles for the Sleeve on flat knitting machines?

C.104.Sleeve width and number of loop bars per 10 cm

Q.105. What is the formula used for the number of needles for the sleeve on flat knitting machines?

C.105. Number of sleeve needles = sleeve width x number of loop bars per 10 cm / 10

P.106. What information is needed for the number of armhole rows on flat knitting machines?

C.106. Side length and row density at 10 cm

S.107. What is the formula used for the number of armhole rows in flat knitting machines?

C.107. Number of armhole rows = Side length x row density in 10 cm / 10

P.108. What information is needed for the number of arm length rows on flat knitting machines?

C.108. Number of armhole rows and Arm length rows

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