Circular Knitting Machine Pulling-up Device and Presser Foot
Jan 26, 2024
Circular knitting machines are equipped with a crucial component known as the knitting machine pulling-up device, commonly referred to as the rolling machine. This device plays a pivotal role in ensuring the smooth and efficient operation of the knitting process. Its primary actions include maintaining even pulling tension to extend the life of needles, ensuring reasonable force for knitting, and controlling the maximum winding length. Here are the key aspects and classifications of this essential device:
Actions:
Even Tension Distribution: The device ensures even pulling tension, optimizing the force applied to the needles and promoting needle longevity, thereby ensuring normal knitting.
Speed Synchronization: It matches the knitting and pulling-up speed, fostering a harmonious and efficient knitting process.
Winding Length Control: The device allows for the control of the maximum winding length, providing flexibility and adaptability to different knitting requirements.
Classification:
The knitting machine pulling-up device can be broadly categorized into two types:
Constant Torque Electric Traction Cloth:
Utilizes continuous roll cloth with stepless electronic control constant torque motors.
Advantages include a constant torque output power, excellent linearity, minimal torque fluctuation, and load balance maintenance.
Drives the initiative curl with constant torque motors, resulting in a simple structure, stable winding, good continuity, and fast, convenient adjustment.
Mechanical Stretch Cloth:
Involves pulling the cloth through gear shift mechanisms, adjusting the amount of curl to determine different stalls.
Lower manufacturing costs, but with speed adjustments achieved through intermittent gear changes, leading to a more complex structure.
In the context of circular knitting machines, another crucial component is the presser foot, which plays a vital role in controlling material movement during knitting. The presser foot is attached to the presser foot bar and can be classified as either single or double. Fabric guides or folders may also be used for specialized purposes in conjunction with the presser foot.
Presser Foot Introduction:
The presser foot is attached to the presser foot bar within the circular knitting machine.
It is classified into single and double presser feet, providing versatility in knitting operations.
Fabric guides or folders may be employed for specific knitting requirements in tandem with the presser foot.
Functions of Presser Foot:
Adjustable Pressure: The presser foot features an adjustable, spring-loaded pressure mechanism to securely hold materials during the knitting process.
Material Control: It plays a crucial role in keeping the materials in check during the knitting operation.
Facilitates Operator Tasks: The presser foot assists operators in achieving regular seaming, piping edges, tape binding, and other knitting processes.
In the event of a broken presser foot, replacements are readily available in the market, ensuring the continuous operation of circular knitting machines. Attention should be given to the proper adjustment of the presser foot for optimal performance.
Next: How to Choose Scale Adjustment Buttons for Circular Knitting Machines?
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