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Gold, K-gold, and silver chains serve as core accessory products in the jewelry industry. Classic styles such as the Chopin chain, Cuban chain, O-ring chain, and snake bone chain have seen a continuous rise in market demand year after year. Traditional hand-woven and old low-speed chain-weaving equipment suffer from low production capacity, weak solder joints prone to breakage, large finished product tolerances, and high material wastage.
 
Hasung, specializing in the R&D of precious metal processing equipment, leverages its years of experience in jewelry machinery development to create three core series of chain-making machines: the HS-2004 plasma welding machine, the HS-2002 fully automated model, and the HS-2000 laser welding machine. These machines are tailored to address various chain categories, production capacity demands, and manufacturing scenarios, serving as the core equipment for the intelligent transformation and upgrading of gold and silver jewelry processing plants.
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1. Disassembly of the core advantages of the three main models
 

1.HS-2004 plasma welding high-speed chain weaving machine (Chopin collision welding chain weaving machine)
This model is specially designed for fine closed chains such as Chopin chains and snake bone chains, equipped with a plasma welding system. It is the main production model for fine and soft precious metal chains, with four core advantages:

Plasma precision impact welding process: using low-temperature plasma welding technology, there is no virtual welding or explosion welding at the welding point, and there is no blackening or oxidation at the gold and silver material welding point. It is suitable for processing 0.12mm~0.8mm ultra-fine gold wire and silver wire, perfectly solving the industry’s common problem of easy breakage at the closed end of Chopin chains.
High speed continuous weaving chain production capacity: The mechanical weaving chain structure has been optimized by a cam, and a single machine can stably produce finished Chopin chains at a speed of 120-180 meters per hour. Compared with old-fashioned manual weaving chains, the efficiency is increased by more than 20 times, which is suitable for batch production of small and medium-sized jewelry factories.
Integrated electronic control debugging: The body is equipped with an independent digital temperature control panel, and the welding current, wire feeding speed, and weaving chain step distance are digitally adjustable.
The body is wear-resistant and durable: the key transmission gears are made of alloy quenching technology, and the whole machine is equipped with shock-absorbing casters for frequent start stop production, which is not easy to deviate. It is suitable for universal production of K gold, foot gold, 925 silver and other materials.

HS-2004 主图5
 
 

2. HS-2002 Fully Automatic High Speed Chain Weaving Machine
Universal benchmark model, specializing in conventional open/semi closed chains such as Cuban chains, O-chains, and Wanzi chains. It is a standard universal weaving equipment for jewelry processing plants, with detailed advantages:

Full process fully automatic feeding and forming: from automatic straightening, bending and forming of metal wires, to integrated fixed-point pre welding, without the need for manual feeding, the entire line can produce continuously for 24 hours without interruption, suitable for large-scale standardized orders.
Wide material and wire diameter compatibility: Supports 0.3mm~1.5mm full gold, rose gold, silver copper alloy wire. One device can handle multiple conventional chain types, and small and medium-sized processing plants can reduce equipment procurement quantities, lower factory land occupation and equipment investment costs.
Fault automatic shutdown protection: Equipped with built-in wire breakage, jamming, and shortage sensing probes, the equipment automatically shuts down and alarms in the event of wire breakage, avoiding mechanical wear and tear on parts while reducing waste of precious metal raw materials and saving production costs.
Low operation and maintenance costs: The localization and matching of components are complete, the procurement of vulnerable parts is convenient, and the unit price is low. Daily maintenance only requires regular lubrication, and the maintenance investment in the later stage is much lower than that of imported similar weaving equipment.

HS-2002 主图1

 

3. HS-2000 Laser High Speed Chain Weaving Machine
High end precision chain exclusive models, focusing on high labor cost and light luxury jewelry chains, such as ultra-fine boutique Chopin chains, nano snake bone chains, and irregular art chains, with core highlights:

Non contact laser seamless welding: Fiber laser fixed-point welding, with micrometer level precision of welding points, the finished chain welding position is flat and seamless, and there are no welding point marks after polishing, meeting the strict quality inspection standards of high-end jewelry brands and offering higher premium space.
Ultra fine wire processing capability: capable of processing ultra-fine precious metal wires as low as 0.08mm, suitable for niche high value-added products such as light luxury fine chains and bracelet tail chains, helping processing factories enter the high-end jewelry OEM track.
Touch PLC intelligent control system: The whole machine is equipped with an industrial touch screen, built-in with dozens of mature chain type parameter programs, and can easily retrieve corresponding chain type data with one click. The time for product replacement and debugging has been compressed from several hours to more than ten minutes, quickly responding to small batch customized orders of multiple categories.
Energy saving, environmentally friendly, and low loss: Laser energy accurately focuses on solder joints, with no excess heat loss. The high-temperature oxidation loss rate of precious metals is controlled within 0.3%, effectively saving raw material loss costs in long-term mass production.

HS-2000 主图2

2. The overall industry empowerment value of Hasung weaving chain machine

Reducing costs and increasing efficiency, restructuring the production cost of jewelry chains. Traditional handmade weaving chains have a daily production capacity of less than 10 meters per person. Hasung’s full range of models can replace 6-10 skilled technicians in a single machine, compressing production costs from three dimensions: labor costs, raw material losses, and scrapped defective products. In the current high gold price and rising labor costs, it greatly improves the factory’s profit margin.

Expanding product categories and adapting to diversified market demands, three models with high and low matching are available, covering low-end mass-produced conventional chains, mid-range popular Xiaobang chains, and high-end light luxury special-shaped chains. Processing plants do not need to purchase multiple miscellaneous equipment, and a set of Hasung weaving chain solutions can undertake orders for all categories of chains from affordable silver jewelry to brand gold, flexibly responding to market order fluctuations.

Assist in the standardization and branding development of jewelry factories, promote mechanized mass production, unify finished product dimensions and welding quality, and control chain tolerances within ± 0.01mm. The consistency of finished products far exceeds that of handmade products, making it easy for processing factories to create their own jewelry brands. It can also connect with the supply chain of domestic and foreign large-scale jewelry chain brands.

 

3.Industry Development Summary
In the wave of mechanization and intelligent transformation in the jewelry industry, chains are essential accessories for jewelry, and the accuracy and efficiency of production equipment directly determine the competitiveness of factories in the market. Hasung relies on three differentiated weaving chain products, HS-2004 plasma welding, HS-2002 universal fully automatic, and HS-2000 laser, to accurately anchor the production needs of jewelry processing factories of different scales and positions, covering all dimensions from entry-level mass production to high-end precision. In the future, as precious metal jewelry becomes more refined and luxurious, Hasung weaving equipment will continue to iterate its processes, using precision and intelligent manufacturing to support the high-quality development of the global jewelry chain industry.

 


Post time: Jun-03-2026