螺纹

The influences of traction angle , coefficients of friction and helix angle on the flow rate of solids were discussed.

理论上证明了这两种情况下的固体输送机理与外螺杆的情况相同，均建立在固体摩擦输送机理基础之上；讨论了牵引角、摩擦因数和螺纹升角对上述三种情况固体输送流率的影响。

It has the standard 1/4 pipe thread for the inflator chuck.

它有标准的1 / 4 管螺纹为充气夹头。

Floor surface Mistaken survey for the survey in general, from interior side leave 8-10 mm rifle, a piece of wood laying article, floors protrude Kok field, using thread nails in the wood keel will be fixed on the floor, after a case-by-piece platoon tight Dinglao.

地板面层的铺装一般为错位铺装，从墙面一侧留出8到10毫米的缝隙后，铺设第一块木板，地板凸角向外，用螺纹钉将地板固定在木龙骨上，以后逐块排紧钉牢。

And with advanced physical and chemical testing equipment, so that production of ordinary carbon steel materials castings, iron castings; alloy steel castings; non-ferrous metal castings; ordinary ductile cast iron parts, wear-resistant, high temperature for Ductile Iron Castings; various centrifugal unlimited cold Hard Cast Iron Roll, Chilled Ductile Iron unlimited roller; all kinds of wire rod, rebar, steel roller with groove, such as product quality is fully guaranteed.

并具有先进的理化检验设备，使生产的各种材质的普通碳钢铸件、铁铸件；合金钢铸件；有色金属铸件；普通球墨铸铁件，耐磨、耐高温球墨铸铁件；各种离心无限冷硬铸铁轧辊、无限冷硬球墨铸铁轧辊；各种线材、螺纹钢、型钢用孔型轧辊等产品质量得到充分保证。

Combines with a concrete subject, this paper, composed of seven chapers, makes a deep analysis on theory and experiment of key bolt fastening of engine.

而且随着发动机的结构越来越紧凑，强化度越来越高，如何使螺纹联接更加可靠、更精确成为保证发动机性能的关键。

The key position bolt of the engine include Connecting rod, Crankshaft, Main bearing , Cylinder head , Flywheel and shock absorber bolt, all of which belong to bolt fastening.

发动机关键工位螺栓包括连杆螺栓、曲轴螺栓、主轴承盖螺栓、气缸盖螺栓、飞轮螺栓和减振器螺栓等均属螺纹联接。

Wallet with retractable ID sleeve, ID slot with monofilament window, internal key holder slot, three horizontal and three vertical card slots, extra storage slot, bill compartment with divider, quilted accent with heavy-gauge thread on exterior leather, embroidered icon, and metal bar logo accent.

钱包与可撤回的身份证袖子，身份证槽孔与单丝窗口，内部关键囤户槽孔，三个水平和三个垂直的卡片槽，额外存贮槽孔，票据隔间以分切器，缝制了口音与重丈量螺纹在外部皮革、被绣的像，和金属棒商标口音。

The main to modify the lathe is to modify the portrait, horizontal enter to the system in the Whole modification process and choose the automatic knife rest and be processed the thread need by pulser.

整个改造过程主要对车床纵、横向进给系统进行改造，选用自动转位刀架，由脉冲发生器来加工所需要的螺纹。

Screw on the choice of friction loss, high efficiency, high precision, long life of the ball screw, the electrical selected stepper motor, motor and the ball screw with gear deceleration.The main to modify the lathe is to modify the portrait, horizontal enter to the system in the Whole modification process and choose the automatic knife rest and be processed the thread need by pulser. The whole control system with the CPU of JKW-15T is to control the machine for center, through a plait distance drive tool machine an equipments to carry on control to attain need of process degree.

整个改造过程主要对车床纵、横向进给系统进行改造，丝杠选用摩擦损失小，效率高，精度高，寿命长的滚珠丝杠，电机选用步进电机，电动机与滚珠丝杠用齿轮减速；刀架改造成能自动换刀的回转刀架，由脉冲发生器来加工所需要的螺纹；整个控制系统以JKW-15T型号的单片机为中心，通过编程对机床的驱动设备进行控制以达到所需要的加工程度。

Annual output of various specifications of more than 500 tons of metal wire; metal knitting net 500,000 m2, of which net square hole size 3 ~ 500 head / inch, mesh size of 8.00 ~ 0.025mm; dense network pattern specifications for 7 40 /~ 400 3200 Head / inch, mesh size of 315 ~ 3m; various filter components, filter 1.5 million, the smallest filtration precision of up to 1m; screener seized a (75mm, 200mm sieve sets of high precision electric molding and 200mm Screen test sets) is the national standard grinding found the Commission designated by a manufacturer; steel screw sets (with a high strength, corrosion resistance, impact resistance, high temperature, can be embedded in aluminum, magnesium and plastics such as low-intensity within the screw shell a new type of screw fasteners, specifications have an ordinary type, locking type and silver-plated type) and vibration screening equipment.

年产各种规格金属丝材500多吨；金属编织网50万m2，其中方孔网规格为3～500目/英寸，网孔尺寸8.00～0.025mm；密纹网规格为7×40/～400×3200目/英寸，网孔尺寸315～3μm；各种滤网组件、滤芯150万件，最小过滤精度可达1μm ；筛分检具（φ75mm、φ200mm高精度电成型套筛和Φ200mm试验套筛），是国家磨委会指定的标准检具生产厂家；钢丝螺套(具有高强度、抗腐蚀、耐冲击、耐高温，能嵌入铝、镁及塑料等低强度壳体螺孔内的新型螺纹紧固件，规格有普通型、锁紧型和镀银型)及振动筛分设备。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失