胜家圆头锁眼机送料机构调整及常见故障排除

The Feeding Mechanism Adjustment and Common Troubleshooting of SINGER Eyelet Buttonhole Sewing Machine

胜家299U型锁眼机是现代针织服装企业生产不可缺少的关键设备之一,却又是机械维修较复杂的一个机种。文中介绍该锁眼机送料机构的调整,如启动杆与离合器的脱开及接触、滑杆叉形连接器与滑杆锁定块的间隙、快速送料启动机构、快速送料启动杆及离合器运动机构的调整,并得出一套较为完整的有关该设备快速送料机构维修调整的要领及方法。结合相关资料及维修实践中的经验,阐述该送料机构常见故障产生的原因及排除方法,故障包括驱动离合器不工作,切开纽扣孔后按快速送料反复进行缝锁、缝纫系统不工作,在完成一个纽扣孔后快速送料重复运动,完成一个纽扣孔后机器停车不工作,快速送料离合器打滑不工作,工作压板关闭杆工作不正常,快速送料启动后启动架多次摆动,开纽扣孔后出现机器空转等。

The SINGER 299U eyelet buttonhole sewing machine is one of the indispensable key equipment of modern knitted garment enterprise production, and also one of the most complex machine type to repair. The adjustment of rapid feeding mechanism of SINGER 299U is introduced in this paper, including the disengage and contact between starting lever and clutch, a description of clearance between slider fork connector and slider locking piece, the rapid feeding mechanism, the adjustment of rapid feeding starting lever and the clutch mechanism. Finally obtaining an series of complete essentials and methods about repairing and adjusting the rapid feeding mechanism of this machine. Combining with the related data and repair experience, this paper expounds the reason for common machine fault and machinery troubleshooting method of the rapid feeding mechanism. Machine faults include that the drive cluch does not work, rapid feeding part repeats work after making one button hole, rapid sewing system does not work after making one button hole, the machine stops working after finishing one button hole, rapid feeding clutch slips, the work sheet closing lever does not work properly, the start frame repeats swinging after starting rapid feeding mechanism, and the whole machine idles because of no feeding.