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Rainbow Technology Launches CH Series Multi-Station Automatic Cold Heading Machine for High-Efficiency Fastener Production

Recently, Harbin Rainbow Technology Co., Ltd. officially launched its new CH series multi-station automatic cold heading machine, targeting the growing demand for high-precision, high-yield fastener manufacturing equipment at home and abroad. As a core equipment for bolt and screw blank forming, this new product integrates optimized transmission structure, intelligent control system and heavy-duty machine body design, which can effectively help customers improve production efficiency, reduce material loss and enhance product consistency.

Optimized Forming Process for Higher Precision and Efficiency

The CH series cold heading machine adopts a multi-station integrated cold forging process, which can complete blanking, heading, piercing and finishing processes at one time within 3 to 6 stations. Compared with traditional single-station heading equipment, it avoids repeated positioning errors and ensures stable dimensional tolerance of workpieces, fully meeting ISO, DIN and ANSI international fastener standards.

Equipped with a high-precision crankshaft transmission system and high-hardness alloy steel forming dies, the equipment has a production speed of up to 100-220 pieces per minute, which can be adjusted according to different workpiece specifications. It is suitable for mass production of hex bolts, carriage bolts, socket head cap screws, self-tapping screws, rivets, studs and other standard and non-standard fastener blanks, significantly reducing unit labor cost and shortening production cycle.

Heavy-Duty Structure for Stable Long-Term Operation

In terms of equipment durability, the CH series cold heading machine adopts an integral cast iron machine body, which has excellent shock absorption and deformation resistance, and maintains stable precision under long-term heavy-load working conditions. Core components such as motors, bearings and transmission parts are all made of high-quality branded products, which effectively reduces equipment failure rate and extends service life.

In terms of operation and safety, the equipment is equipped with automatic fault detection, overload protection and full safety enclosure, which meets CE mechanical safety requirements. The quick die replacement structure and simple parameter adjustment design allow operators to switch product specifications efficiently, reducing downtime caused by die change. Meanwhile, the equipment supports customized configurations including automatic wire feeding mechanism, special forming dies, PLC touch screen control system and online detection device, to meet differentiated production needs of different customers.

Wide Application Prospects in Global Fastener Industry

With the continuous development of industries such as construction machinery, automobile manufacturing, hardware assembly and wind power equipment, the global market demand for high-quality fasteners continues to grow, and manufacturers have put forward higher requirements for production efficiency and product precision. The launch of the CH series multi-station cold heading machine just responds to this market demand.

"Our goal is to provide cost-effective cold forging equipment for global fastener manufacturers," said the technical director of Rainbow Technology. "While ensuring equipment stability and precision, we also provide customers with full-process services including pre-sales model selection guidance, on-site installation training and lifetime after-sales support, to help customers quickly put into production and create value."

At present, the CH series cold heading machines have been put into mass production, supporting FOB, CIF, EXW and other trade terms, with delivery from Ningbo Port, Zhejiang, China. Rainbow Technology welcomes fastener manufacturers and industry partners at home and abroad to consult and negotiate, and will continue to focus on technology research and development and product upgrading to provide more reliable industrial forming equipment solutions for the market.