Overview
The lockstitch sewing machine with overlock is a versatile industrial and domestic sewing device that combines two essential functions in one unit. It performs the standard lockstitch for joining fabric pieces while simultaneously offering overlock capabilities to finish raw edges. This dual-functionality makes it particularly valuable in garment production where both stitching and edge finishing are required. Modern versions of this machine often feature electronic controls, multiple stitch options, and automatic thread tension systems. They are commonly used in small-scale clothing manufacturing, tailoring shops, and by serious home sewers who require professional-quality results. The integration of these two functions in a single machine saves space and increases efficiency compared to using separate machines.
Structure and Working Principle
The machine consists of a sturdy metal frame housing a complex mechanism of gears, shafts, and linkages. The lockstitch function works through a rotating hook that catches the upper thread from the needle and interlaces it with the bobbin thread underneath the fabric. The overlock mechanism operates simultaneously with multiple loopers that form stitches around the fabric edge while cutting excess material. Key components include the needle bar, presser foot, feed dogs, loopers, and cutting blades. The machine typically has separate tension controls for each thread path, allowing precise adjustment for different fabric types. Advanced models may include differential feed systems to prevent stretching or puckering of delicate fabrics during the overlock process.
Key Features
Modern lockstitch-overlock combination machines offer several important features that enhance their usability. Variable stitch length adjustment allows customization for different fabric weights and sewing applications. Many models include built-in thread cutters, automatic needle threaders, and easy-access bobbin systems to improve workflow efficiency. Durability is another critical feature, with high-quality machines featuring all-metal construction for the main components. Some industrial-grade models can operate at speeds up to 5,000 stitches per minute. Additional features might include LED lighting, touch-screen controls, and programmable stitch patterns for specialized applications.
Application Areas
These machines are extensively used in the garment manufacturing industry for producing finished apparel items. They're particularly valuable for knitwear production where the stretchy nature of fabrics requires secure seams with finished edges. Small clothing businesses and alteration shops benefit from the space-saving combination of functions. Beyond apparel, these machines are used in home furnishings production for items like curtains and upholstery. Creative sewers appreciate them for craft projects requiring professional finishes. Some industrial models are adapted for specialized applications like sewing technical textiles or automotive interiors where both strength and edge finishing are required.
Maintenance and Precautions
Regular maintenance is crucial for optimal performance and longevity. Daily cleaning to remove lint and fabric particles is essential, along with periodic oiling of moving parts according to manufacturer specifications. Needles should be replaced frequently, especially when sewing through heavy or abrasive materials. Safety precautions include keeping fingers away from moving parts and cutting blades, especially during high-speed operation. The machine should be turned off and unplugged when performing maintenance or changing accessories. Proper grounding is important to prevent electrical hazards, particularly in industrial settings where machines may operate for extended periods.
B2B Procurement Guide
When purchasing these machines for business use, consider the expected production volume and fabric types you'll be working with. Industrial models with higher speed ratings and durability features are worth the investment for heavy use. Evaluate the availability of replacement parts and local service support for the brand you're considering. For smaller operations, semi-industrial or heavy-duty domestic models may offer sufficient capability at lower cost. Consider machines with easy-to-use features if multiple operators will be using them. Request demonstrations to assess noise levels, vibration, and ease of operation before making a purchase decision.
Related Manufacturers
- 主营：[]
- 主营：[]
- 主营：3D包边机、绱鞋机、围袋专用设备、缝纫机、集装袋缝纫机、箱包缝纫机、吨包缝纫机、沙发缝纫机、吊带缝纫机、汽车脚垫缝纫机、厚料缝纫机、工业缝纫机、吨袋缝纫机、兜吨袋缝纫机、双针链式缝纫机、自动供油缝纫机、篷布缝纫机、三针缝纫机、上下同步送料机、制鞋机、鞋底外线机、外线机、布料压边机、立体包缝机
- 主营：无扣腰带、无磁皮带、自动扣腰带、不带头腰带、男牛皮腰带、真皮针扣腰带、青年无头皮带、皮带牛仔裤带、真皮皮带腰带、学生皮带裤带
- 主营：防火罩、热熔胶、减速机、手持电动缝纫机、电动泵、锂电池、摘果器、油桶车、潜水灯、干磨机、收纳架、喷漆枪、电脑板、烤奶罐、道路灯、小吊机、脱漆剂、起重机、加热灯、卷闸门、电池板、排气扇、香水瓶、存放盒、吸水石、打草机
- 主营：机械设备、仪器设备、五金工具、缝纫机、工业品、升降叉车、拍立得、刺绣机、燃气炒货机、雕刻机、太阳能逆控体机、全电动叉车、数控床、鼓风机、水平仪、干洗机、塑料粉碎机、逆变器、天平电子秤、移动照明灯、电子天平、单反相机、小型压路机、腊肠烘干机、净水器
- 主营：冲击夯、摄影灯、识别秤、缝纫机、模温机、混色机、液压钳、冰淇凌、椭圆仪、写真机、烤鸡炉、配电箱、感应门、分散机、测量仪、除雪机、锂电池、感应机、去色剂、车丝机、小挖机、漂移车、鲜肉柜、喷漆枪、白胶机
- 主营：自吸泵、烙面机、饸络机、缝纫机、压面条、破碎机、链条锯、饹面机、浇水机、园林锯、抽水机、切割机、拉面机、压面机、抽水泵、加压泵、电链锯、潜水泵、切割泵、管道泵、面条机、测温仪、汽油锯、粉碎机、饸饹机、磨粉机
- 主营：陶氏膜、污水泵、打码机、缝纫机、隔膜泵、擦地机、升降机、减速机、配电箱、上料机、养鱼泵、封边机、抽水泵、烘干机、晾衣杆、暖风机、吹地机、合缝机、灌装机、增压泵、卷闸门、喷雾机、控制器、潜水泵、气压罐、吸料机
- 主营：辅食机、花茶器、置物架、缝纫机、保鲜冷、机械臂、美容仪、太极球、凉皮机、牛皮包、锂电池、摇表器、注氧仪、开水壶、吐司机、理疗仪、鹤摆件、ktv音响、嫩肤仪、加湿器、558冰箱、电子称、煮蛋器、和面机、555冰箱、蒸茶器
- 主营：冲孔机、分析仪、污水泵、缝纫机、涵道机、烤肉锅、爆炒炉、体测仪、茶边柜、床围栏、摄像头、雾化机、抽气罩、修剪机、冲牙器、除草机、除尘除、洗牙器、清洁仪、钥匙扣、电子秤、电磁钻、三轮车、电热杯、茶桌边、展示柜
- 主营：家具、象棋、铂金项链、家用缝纫机、榻榻米
- 主营：机械设备、仪器设备、五金工具、重机电子家用缝纫机HZL、工业品、无线呼叫器、防爆配电箱、静音新风机、防火防爆柜、pp酸碱柜、人行通道闸机、毒麻储存柜、商用洗碗机、燃气热水器、绿翡翠手镯、台球桌、磁力搅拌器、空气能热水器、全自动封边机、消毒柜、工业用吸尘器、商用烘鞋机、立式电热燃气炸炉、超声波洗碗机、超声波清洗机
- 主营：捆线机、焊金机、寻北仪、缝纫机、量角器、测量机、焊锡机、锂电池、焊钢机、气保机、切割机、电焊机、修复机、校正仪、点焊机、慢煮机、角度尺、覆膜机、绞肉机、流量计、百分表、研磨机、制冷机、高频焊台、检测仪器、rtk测量仪
- 主营：仪器设备、指纹锁、小冰箱、缝纫机、双开门冰箱、折叠电动餐桌机麻、全自动家用机麻、液晶电视机、电动叉车、打碟机、液压叉车、电热培养箱、电钢琴、电子防潮箱、伸缩楼梯、小提琴、全站仪、天平秤、电动爬楼轮椅、高清显微镜、拓普康全站仪器、智能拖地机器人
- 主营：机械设备、仪器设备、氢气发生器、台式胶装机、碎纸机、打药专用机、环链电动葫芦、航拍无人机、古筝、抛光机、飞行器、混凝土强度检测仪、电动碎纸机、折叠手卷电子钢琴、条码扫描枪、储电式打包机、分装机、无线会议话筒、智能平板网络电视、隔音房、反渗透设备纯水机、多媒体教学体机
- 主营：机械设备、仪器设备、五金工具、brother兄弟缝纫机、工业品、手推车、气钉枪、电动剪刀、电动螺丝刀、划船机、车前后减震器、手持油锯、抛光机、激光焊接机、雕刻机、柴油发电机、电缆剪、刺绣机、哑铃、旋转小火锅设备、排油烟风机、电动轮椅、抖抖机、有氧踏步机