This paper analyses theoretically the take-down function of weight and presser foot, and the cause of the floating up of the fabric edge.
本文从理论上分析了横机上重锤和压脚的牵拉作用和可能产生织物上浮的原因,利用专门设计的压脚装置、口齿-针槽传感器测定了这两种牵位方式的牵拉效果,并分析了实验所得数据和结果,得出了加装压脚装置将有助于牵拉作用的完善的结论。
UHV transformer\'s structure is different from 500 kV transformer\',which adopts neutral point voltage regulating method,and adds the independent voltage regulating transformer.
阐述了特高压变压器的结构不同于500 kV变压器结构,采用中性点调压方式,增加了独立的调压变压器部分。
The power machine is run by a foot treadle and uses a knee lift to raise and lower the presser foot.
工业缝纫机是通过压脚启动的,用膝盖运动抬起压脚或降落压脚。
The overlock machine uses a foot pedal to raise and lower the presser foot.
包缝机是由一个脚踏板来升降压脚。
Tighten the pressure regulator.
请拧紧压脚调节螺丝。
Light pressure is needed for lightweight fabrics and increased pressure is necessary for heavier weights.
轻压力的压脚适用于薄型面料；重压力的压脚适用于厚型面料。
A half-foot (sometimes called a zip foot) is used; this allows the needle to stitch alongside the cording fairly closely.
使用单趾压脚,有时也叫拉压脚,可以使针紧靠着滚边缝纫。
The part of a sewing machine that holds down and guides the cloth.
压脚板缝纫机的一部分，压住布料并引导布料
Piping Foot: for finishing bias binding strips.
滚边压脚：用来将斜布条滚边成带。
Gathering Foot: for even, permanent shirring.
打褶压脚：用于均匀地缝制永久性的褶。
Lower the presser foot and complete the seam. The corner is now completed
放下压脚并完成缝纫。角完成了。
An instrument of torture, used to crush the foot and leg.
靴状刑具一种用来挤压脚和腿的刑具
Invisible Zipper Foot: for stitching the invisible zipper.
隐形拉链压脚：用来装隐形拉链。
Analysis of fine blanking and numerical simulation of process for spanner of hold down plate
压脚板扳手精冲工艺分析与数值模拟
The first section is placed under the presser foot at the correct angle then held in position by lowering the presser foot.
将第一片衣片放在压脚下,对准角度后放下压脚压住衣片,让衣片不动。
Add fine adjust device for the pressure of foot,without dial on the adjustable screw, more convenience for operation.
压脚压力采用微调装置，压力调节螺钉设有刻度，更加方便操作。
Bring the walking foot as close to presser foot 3 as possible to the extent that it does not come in contact with the rear face of presser foot. Securely tighten screw 2 in the center shaft bell crank.
移动外压脚，一直移动到不能顶到中压脚3的背面的位置，紧紧地拧紧中轴轮紧固螺丝
Inserting a corded piping introduces bulk, which the machine presser foot is unable to surmount, therefore a special presser foot is necessary.
镶嵌滚边编带所产生的厚度是缝纫机压脚不能越过的,因此需要一个特殊的压脚。
Cording Foot: left-and right-handed. Use of either permits even, close stitching for cording and zippers.
嵌线压脚：有左右两个压脚,用来均衡两边,用于缝嵌线和装拉链的暗针缝。
Turn the top feed cam until it reaches the position to allow the three components such as the throat plate surface, top end of needle eyelet and presser foot (pressing plane) to align, and fix the cam at that position.
在针板上面、针孔上端、中压脚(压脚面)的3点对齐的位置，转动上送布凸轮，然后固定。