52 Inch Three System Shoe Upper Knitting Machine

52 Inch Three System Shoe Upper Knitting Machine Description

Three system 3D Shoe Upper Knitting Machine specialized in making shoe uppers with high production efficiency. This series is a fully automatic computer knitting machine without a bottom plate device. lt uses digital technology to realize the functions of transfer, tuck, intarsia without dotted lines, iacquard, embroidery, open narrowing, and other regular pattern knitting functions. lt can weave basic knitting weaves, multi-color random jacquard, intarsia, twisted flowers, pick holes, and other weft weaves. It is also suitable for knitting shoe uppers and other accessories with raw materials such as silk, spun silk, synthetic fiber, wool, rayon and blended varn. They are the mainstream machines for the professional production of 3D shoe uppers.Changhua shoe upper knitting machine.pdf

Changhua 52-inch Three-System Fully Automatic Shoe Upper Machine Product Introduction

I. Expert in Precision Shoe Upper Manufacturing

The Changhua 52-inch Three-System Fully Automatic Shoe Upper Machine is designed specifically for producing high-quality shoe uppers. It utilizes a 52-inch (132 cm) precision format and three-system collaborative technology. Equipped with a ninth-generation intelligent control system, it achieves ultra-high knitting precision of ±0.005mm and a daily production capacity of 3,000 pairs, making it perfectly suited for producing uppers for a wide range of shoes, including athletic and casual shoes.

II. Five Core Advantages

Three-System Intelligent Collaboration: 60% higher knitting efficiency than a dual-system system

Precision Knitting Control: 0.005mm accuracy ensures upper consistency

Multi-Function Process Support: Supports complex processes such as 3D knitting

Intelligent Inspection System: Integrated AI visual quality inspection, achieving a defect rate of <0.5%

Energy-Saving and Environmentally Friendly Design: 35% lower energy consumption, noise level <58 decibels

III. Professional Application Services

This machine is suitable for:

• High-end sports shoe upper production

• Custom shoe upper development

• Special functional shoe upper R&D

Changhua Technology provides: √ 4-year machine warranty √ Process technology training √ 24-hour remote support √ Lifetime software upgrades

This machine has obtained CE and ISO certifications, becoming a technological benchmark in the shoe upper manufacturing industry.

Changhua's 52-inch Three-System Fully Automatic Upper Machine Application Scenarios

I. High-End Sports Shoe Manufacturing

Professional Sports Shoe Upper Production:

A single machine has a daily production capacity of 3,000 pairs, meeting the precision knitting requirements of high-end sports shoes like the Nike Air series. ±0.005mm accuracy ensures consistent upper quality for each pair.

Customized Limited Edition Development:

Supports small-batch, multi-variety production, meeting the 72-hour rapid prototyping needs for limited edition uppers like the Air Jordan.

Multi-Function Upper Switching:

A single machine can handle production conversions for running, basketball, and other functional uppers.

II. Innovative Upper R&D

Smart Wearable Upper:

Integrates flexible circuits to develop smart uppers with gait analysis and pressure sensing capabilities.

Environmentally Friendly Material Application:

Perfectly adapts to sustainable raw materials such as recycled polyester and bio-based materials.

Military Specialty Upper:

Meets special protective requirements such as puncture resistance and temperature regulation.

III. Industrial Upgrading Practices

Precision Manufacturing Demonstration:

Connected equipment enables cloud-based optimization of process parameters, increasing production efficiency by 55%.

Green Production Benchmark:

The energy management system saves 120,000 kWh of electricity annually, earning provincial green factory certification.

Traditional Production Line Transformation:

A single machine replaces four traditional production lines, saving 60% in labor costs.

52 Inch Three System Shoe Upper Knitting Machine Specification

Gauge	14G16G18G
Knitting width	36, 52, 72, 80 Inch
Knitting system	Three system
Knitting speed	Controlled by servo-motor with 128 sections   optional, max speed reach 1.6m/s
Knitting function	Knit, miss, tuck, transfer, pointel, intarsia,   jacquard, apparent or hide shaping and other regular or irregular patterns.
Racking	Controlled by servo-motor racking within 2 inches   and with fine adjusting function.
Stitch density	Controlled by stepping motor, 128 section stitch   select-able adjustable scope supported by subdivision technology: 0-650, the   stitch of the knitwear can be accurately controlled.
Dynamic stitch	Using high speed stepping motor, multi-stitch   function can be achieved in one line.
Needle selection	Advanced encoder reading pin.8-stage selecting   needle setup composed of special electromagnet is regarded as efficient full   width jacquard needle selector, which can be installed or removed simply from   the carriage and maintained easily.
Sinker system	Using the control principle of cross sinker, more   lines of local braiding can be carried out, which plays a positive role in the   braiding of complex tissues. Independent signal, subsystem control.
Transfer system	Combined design, single or double cam system all can   transfer together or separately. Also one can do transfer, another cam system   for knitting, which will achieve high production.
Quickly turning	Intelligent switching braiding system improves   machine weaving efficiency.
Take-down system	Infrared alarm, computer programs instruction,   stepper motor control, 128-stagetension selection with an adjustable range   between 0-100.
Color-changing system	2x8 yarn feeders on each side of 4 guide rails,   shift able on any needle position.
Yarn feeder device	The roller feeding device can precisely control the   tension of the yarn and ensure the consistency of the whole fabric quality.
Protection system	The machine will automatically alarm if   yarn-breaking, knots, floating yarn, rewind, end of knitting, fail of racking,   needle breakage, error programming occur, also set up the safety auto-lock   protect device.
Refueling device	Automatic refueling: Control the refueling time and   frequency by setting the time. The oil pump lubricate the jack and long jack   needle on the needle bed automatically to reduce the wear of the machine and   increase its service life.
Control system	1. LCD industrial display, can display various   parameters, which can be adjustable during operation. 2.USB memory interface, System memory 2G. 3.Free design system is visual and easy to   understand and software upgrade free of charge. 4.Support multi-language operation as Chinese and   English, Spanish, Russian etc.
Network function	Has network interface, enable remote-monitoring via   network, and connecting with ERP system.
Power supply	Single-phase 220V/three-phase 380V, adopt advanced   CMOS technology, having memorizing function at power shock stop.
Sub roller	Sub roller (Optional)
Presser device	Positioned on front and rear presser (Optional)
Volume and weight	3000*1000*1800mm1150kgs(52inch)
Reducing device	Automatic refueling: Control the refueling time and   frequency by setting the time. The oil pump lubricate the jack and long jack   needle on the needle bed automatically to reduce the wear of the machine and   increase its service life.

Shoe Upper Knitting Machine Good Reviews from Customers

Three System Shoe Upper Knitting Machine Manufacturer & Supplier

Changshu Changhua Smart Manufacturing Technology Co., Ltd. is located in Changshu, Jiangsu, the birthplace of the clothing industry. It is a professional large-scale knitting garment machinery manufacturer, which has been developing for more than 20 years, with independent research and creation.

1. Company Profile and Development History

Changhua was established in 2005 and is a national high-tech enterprise focusing on the research and development and manufacturing of computer flat knitting machines. After nearly 20 years of innovation and development, the company has grown into a leading brand in the domestic computer flat knitting machine industry, and its products are exported to more than 30 countries and regions around the world. The company is headquartered in Shaoxing, Zhejiang, a major textile industry town in China. It has a modern production base covering an area of 50,000 square meters and an annual production capacity of more than 3,000 computer flat knitting machines of various types.

2. Core Technology Advantages and Product System

Independent R&D Capability

The company has a provincial enterprise technology center and has more than 80 patented technologies, including 15 invention patents. The core team consists of more than 20 senior engineers with deep accumulation in mechanical design, electronic control systems and other fields.

Full range of product matrix

Covering single-system, dual-system and multi-system computer flat knitting machines, the weaving width ranges from 36 inches to 72 inches, which can meet the diverse needs of the entry-level to high-end markets.

Intelligent Solutions

The latest i-Knit intelligent production system has realized advanced functions such as equipment networking, remote monitoring, and intelligent scheduling, helping customers build digital factories.

3. Market layout and service network

Changhua Technology has built a complete global marketing service system:

• Domestic market: 10 offices have been set up in textile industry clusters such as Guangdong, Jiangsu, and Shandong

• Overseas market: localized service teams have been established in Vietnam, Bangladesh, Turkey and other countries

• After-sales guarantee: 7×24-hour technical support is provided, and on-site service is promised to arrive at major domestic industrial areas within 48 hours

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