Long Series Cold Heading Machine
Overview
The Long Series Cold Heading Machine represents specialized cold forming equipment engineered for producing extra-length fasteners and precision metal components. Unlike standard cold headers limited by conventional die space, these machines feature extended tooling configurations to accommodate workpieces with length-to-diameter ratios exceeding 10:1. Primarily serving the fastener manufacturing sector, these machines enable single-pass production of components that would otherwise require multiple processing steps or welding. The technology significantly reduces material waste compared to machining methods while improving mechanical properties through work hardening during cold forming.
Structure and Working Principle
The machine's architecture comprises a reinforced bed frame, extended slideway system, and specially designed transfer mechanisms to handle long workpieces. Power transmission typically involves a heavy-duty crankshaft or eccentric mechanism generating forming forces ranging from 100 to 1,500 tons, depending on application requirements. Operation begins with wire feeding from coil stock through straightening units, followed by precise cutting to length. The blank then undergoes sequential forming through 4-6 die stations, with some configurations incorporating rotating transfer systems for maintaining alignment of long components. Advanced models integrate in-process diameter measurement and vision systems for quality assurance during high-speed production.
Key Features
Extended tooling space distinguishes these machines, with some models accommodating workpieces up to 1,200mm long. Robust frame designs with preloaded anti-deflection mechanisms ensure precision during high-force forming operations. Modern versions feature servo-electric transfer systems for delicate handling of long components between stations. Energy efficiency innovations include regenerative braking systems and optimized drive mechanisms that reduce power consumption by up to 30% compared to conventional designs. Temperature-controlled hydraulic systems maintain consistent performance during continuous operation, critical for maintaining tolerances in long-series component production.
Application Areas
Primary applications focus on automotive suspension components, wind turbine fasteners, and construction anchor systems where long, high-strength threaded elements are required. The aerospace industry utilizes these machines for manufacturing specialty bolts and pins used in airframe assemblies. Emerging applications include production of medical implant components and nuclear reactor fittings, where the cold forming process ensures superior material integrity compared to machining. Customized versions serve niche markets such as oilfield tool manufacturing and railway infrastructure components.
Maintenance and Precautions
Preventive maintenance focuses on slideway lubrication and transfer mechanism alignment checks, typically performed every 500 operating hours. Die maintenance requires specialized attention due to extended wear patterns, with recommended regrinding intervals based on material hardness (commonly every 1-2 million strokes for carbon steel forming). Critical precautions include monitoring for workpiece bending during transfer, which can cause misalignment and tooling damage. Environmental controls should maintain workshop temperature stability within ±2°C to prevent dimensional variations in long components. Safety interlocks must be regularly tested due to the increased kinetic energy in extended-stroke operations.
B2B Procurement Guide
When sourcing Long Series Cold Heading Machines, evaluate the manufacturer's experience with similar L/D ratio applications. Request test runs with your specific material grade, as formability varies significantly between alloy types. Key specifications to verify include maximum forming force at full stroke length and available die stations for secondary operations. Total cost of ownership analysis should account for tooling life expectancy and energy consumption metrics. Leading manufacturers typically offer 24-36 month warranties on mechanical components. Consider modular designs that allow future upgrades to accommodate evolving product requirements. For reference, lead times range from 12-30 weeks depending on customization level.
Related Manufacturers
- 主营：打头机、搓丝机、搓牙机、冷镦机、多工位、开合模、合模机、铆钉机、铝拉钉机器
- 主营：铝合金铆钉、六角螺栓、六角螺母、冷镦机、四方螺栓、方螺母、圆柱头螺丝、内六角螺丝、十字自攻、沉头螺丝、圆头螺钉、平垫、弹垫、梅花螺钉、非标螺丝、紧定、自攻螺丝、活节螺栓、T型螺丝、圆柱销、铆螺母、钻尾螺丝、挡圈、牙条、牙棒
- 主营：传感器、电磁阀、保护器、液压冷镦机、地磅、电动脚手架、装载机电子秤、机械抓手、砌筑升降平台、光伏板升降机、内撑吊具、混凝土振动棒、打标机、研磨机、裁切机、平移门电机、超市防盗门、磨片磨头、滑移机、消防机器人、农业打药机、履带底盘、消防器材
- 主营：挖藕机、划线机、劈石机、冷镦机、修剪机、除雪机、铁水包、铜水包、凿岩机、呼吸器、地钻、水带、灭火器、播种机、U型钢支架、高倍数泡沫机、钢筋机械、园林机械、轨道机械、搅拌机、开槽机、矿车、调度绞车、耙斗装岩机
- 主营：照明车、冲击夯、挖藕机、双缸32型冷镦机、抹平机、气动泵、捣固机、划线机、剪草机、插秧机、拉毛机、清扫机、铲除机、风煤钻、道夹板、电机车、修剪机、打夯机、铁水包、矿用设备、工程机械
- 主营：给料机、止回阀、控制柜、冷镦机、驱动滚筒、信息矿灯、储水设备、注式钻机、电动球阀、帆布水桶、角铝压条、输送机配件、位移传感器、电液控配件、折叠式水箱、液压摇臂钻床、正压式采样器、升降式逆止阀、万向摇臂钻床、硬质合金钎头、单体液压支柱、压力测定装置、瓦斯测定装置、甲烷气体检测器、防溢裙板夹持器、液压油缸拆装机
- 主营：挤出模具、制罐模具、拉丝模具、冷镦机模具、推管模具、钨钢模具、冷镦模具、冲压模具、钻石模具、拉拔模具、钨钢配件、钨钢零件、电缆模具、剥皮模具、硬质合金、合金切刀片、标准件模具、拉伸机模具、壳拉伸模具、热挤压模具、鼻梁条机器、模具机床配件、铝合金热挤压、硅酸盐切刀片、连续拉伸模具
- 主营：电抗器、变频器、调压器、冷镦机、稳压器、矿用干式变压器、矿用油浸式变压器、矿用一般型高压开关柜、矿用一般型低压开关柜、10kv线路调压器、矿用防爆变压器、干式电力变压器、油浸式电力变压器、大电流变压器、水冷变压器、隔离变压器、大电流发生器、进出线电抗器、加热变压器、三相调压器
- 主营：钢筋套筒、直螺纹套筒、冷挤压套筒、双油缸冷镦机、变径套筒、镦粗套筒、四级钢套筒、钢筋滚丝机、钢筋冷挤压机
- 主营：消防机器人、运输车、漏电探测仪、全自动双缸冷镦机、巡检机器人、消防箱、防护服、破拆工具、消防灭火装置、交通器材、传感器、电磁阀、测试仪、电动脚手架、装载机电子秤、地磅、纸管切割机、攻丝机、混凝土振动棒、打包机、电动液压冲孔机、研磨机、激光雕刻机、滑移机、洗消剂、防爆风机
- 主营：无极绳绞车配件、阻燃编织袋、矿用门、冷镦机、矿山机械设备
- 主营：钢筋套筒、钢筋滚丝机、钢筋冷挤压机、冷镦机、钢筋弯曲机、钢筋切断机、滚丝轮、钢筋接头、钢筋连接、接驳器、钢筋剥肋、紧固件、钢筋调直机、铁标套筒、液压机械、钢筋弯圆机、弯弧机、冷挤压套筒、直螺纹套筒、变径套筒、镦粗套筒、钢筋套筒锁母
- 主营：精密弹簧、碳钢弹簧、扭力弹簧、冷镦机、圆柱弹簧、减震弹簧、拉伸弹簧、扭转弹簧、压缩弹簧、拉力弹簧、弹簧卡子、机械弹簧、锁扣弹簧、耐高温弹簧、不锈钢压簧、不锈钢扭簧、五金压扭簧、双螺旋扭簧、吊床挂钩弹簧、机械电镀弹簧、矩形螺旋弹簧、帐篷挂钩弹簧、塌陷蛇形弹簧、定制工业弹簧、玩具家电弹簧、非标不规则压簧
- 主营：五机头数控弯箍机、全自动数控弯箍机、钢筋笼绕笼机、双缸液压冷镦机、钢筋锯床、数控调直机、数控弯曲中心、绕筋机、自动五头机弯箍机、数控变频调直机、钢筋切断机、钢筋弯曲机、数控弯箍机、钢筋弯弧机、变频调直机、数控弯曲机、锯切套丝打磨生产线、钢筋套丝机、液压弯箍机
- 主营：钢筋套筒、冷挤压套筒、钢筋冷挤压机、冷镦机、钢筋滚丝机、钢筋滚丝轮、钢筋弯曲机、直螺纹套筒、变径套筒、镦粗套筒、焊接套筒、分体套筒、钢筋套丝机、钢筋锁母、钢筋连接套筒、钢筋切断机、钢筋锯床、钢筋弯箍机、钢筋弯弧机、正反丝套筒
- 主营：液压泵、破桩机、千斤顶、加粗冷镦机、液压电动泵、扒拉机油缸、换热器液压扳手、中继间