查询词典 Acme screw thread

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。

The three dimensional flow field in the triple-screw extruder with triangle configuration is the research objects of this task, including velocity field, pressure field and shear rate field etc., simulate the representative flow field in metering section of the triple-screw extruder, consisted of three-thread element with75mm pitch, has been simulated at the screw speed of 60, 120, 180, 240 and 300rpm and the flowing regulations in flow field and especially the role of the unique center zone affecting to the conveying and pressure generating ability have also been analyzed.

本课题以三角形排列的三螺杆挤出机三维流场为研究目标，研究内容包括速度场、压力场、剪切速率场等。模拟分析首先以螺距75mm的三头螺纹元件为代表，计算由其构成的三螺杆挤出机在60、120、180、240及300rpm转速下的流场，分析流动规律，并分析了特有的中心区在输送、建压方面的作用。

Stainless steel machine screw, fiberboard screw, drywall screw, wood screw, high strength gasket, stainless steel washer, stamping part, etc.

不锈钢机螺钉、纤维板钉、自攻钉、干壁钉、普通碳钢垫圈、高强度垫圈、不锈钢垫圈、齿形垫圈、以及各种冲压件等。

High strength gasket, stainless steel washer, stainless steel machine screw, fiberboard screw, drywall screw, wood screw, stamping part, etc.

普通碳钢垫圈、高强度垫圈、不锈钢垫圈、齿形垫圈、杯型垫圈、不锈钢机螺钉、纤维板钉、自攻钉、干壁钉以及各种冲压件等。

Bolt, screw, nut, machine screw, washer, wood screw, tapping screw, retaining ring, rivet, pin, key and many other hardware products.

3B50 各种类螺栓，螺钉，螺母，机螺钉，平垫圈，弹簧垫圈，木螺钉，自攻螺钉，挡圈，铆钉，销子及五金件。

BACKGROUND: The entry point and direction of screw, iliosacral screw length, S1 pedicle screw shape and iliosacral joint adjacent structure understandings are key factors for successful iliosacral screw fixation.

背景：正确地选择进针点、进针方向和骶髂螺钉长度，以及对S1椎弓根形状和骶髂关节毗邻结构解剖的了解成为骶髂关节螺钉置入成败的关键。

RESULTS: The time of misplacement of pedicle screw was 5-69 days with an average time of 18.5 days, including 7 cases of screw penetrating into lateral cortex, 4 of screw penetrating into medial cortex, 2 of screw penetrating into pedicle cortex, 2 of overplacement, 2 of intervertebral foramen placement and 2 of intervertebral space placement.

结果：患者自螺钉置入后至发现椎弓根螺钉误置时间为5~69 d，平均18.5 d。其中螺钉穿破椎弓根外侧皮质7例，穿破椎弓根内侧皮质4例，螺钉穿破椎弓根皮质2例，螺钉置入过深2例，螺钉进入椎间孔2例，进入椎间隙2例。

Main Products: ABBA linear guide, ABBA ball screw, HIWIN linear guide, HIWIN Ball Screw, THK linear guide / Ball Screw, XINHAN linear optical axis, IKO, THK, KMC linear bearings, NSB stainless steel linear bearings , APEX planetary reducer, a dedicated servo reducer, Japan Miki non-excited brake, clutch gear, special-purpose power / stepless speed regulation device Miki / Miki brakes, clutch and group body Miki dedicated servo coupling / engineering machinery dedicated joint coupling, ATLANTA worm gear reducer and a dedicated connection element, high-precision gear shaft, ATLANTA high-precision gears, ATLANTA rack and the rack and a straight body slide group, HSK screw support blocks, NOK seals, SAKACAMI seals, NAK seals, Taiwan gold cylinder, solenoid valve, gas control valve, mechanical valve, manual valves, pneumatic components, precision implementation of components and accessories, imported bearings such as NSK, SKF, INA; FAG; RHB; TIMKEN, etc..

主营产品：ABBA直线导轨、ABBA滚珠丝杆、HIWIN直线导轨、HIWIN滚珠丝杠、THK直线导轨/滚珠丝杠、XINHAN直线光轴、IKO、THK、KMC直线轴承、NSB不锈钢直线轴承、APEX行星减速机、伺服專用減速机、日本三木无励磁刹车、齿式离合器、专用电源/三木无级调速器/三木刹车、离合器及组体、三木伺服专用联轴器/工程机械专用联轴器、ATLANTA蜗轮蜗杆减速机及专用联接元、高精度齿轮轴、ATLANTA高精度齿轮、ATLANTA齿条及齿条与直线滑轨组体、HSK螺杆支撑座、NOK密封件、SAKACAMI密封件、NAK密封件、台湾金器气缸、电磁阀、气控阀、机械阀、手控阀、气动元件、精密执行元件及附件、进口轴承如NSK，SKF、INA；FAG；RHB；TIMKEN等。

For example: We have for the automotive industry supporting the drive screw, which are electrically adjustable car seat before and after the parts about the heart; used phosphating, dacromet surface secondary treatment process for the automotive tubing supporting bolts and installed in the car wiper The long and short axis, such as spherical products; In addition, refined diesel engines plus workers on the cylinder head bolts, nuts; Road fork dedicated nut bolts, nut; for the furniture industry, supporting the tensile nut, screw legs, lengthened Screw; for internationally renowned companies provide a range of standard, non-standard special-shaped screw components; for oil and electricity sectors complementary hot galvanized fasteners and other products.

我们为汽车行业配套的传动丝杆，它是轿车电动调节座椅前后、左右的心脏部件；采用磷化、达克罗等表面处理工艺为汽车二次配套的油管螺栓和安装在汽车雨刮器的长、短球面轴等系列产品；另外，精切加工的柴油发动机上的缸盖螺栓、螺母；道叉专用防松螺栓、螺母；为家具行业配套的拉伸螺母、四脚钉、加长螺杆；为国际知名公司提供的各类标准、非标异形螺纹零件；为油井及电力行业配套的热镀锌紧固件等系列产品。

Main PPR, ABS, PEX Pipe Production Line, PVC, HDPE gas pipe production line, large-caliber hollow-wall winding pipe production line, silicon core pipe production line, steel-plastic composite, medical tube, nylon tube production line, PVC foam core pipe, with spiral pipe production line, posts and telecommunications perforated pipe production line, double-wall corrugated pipe, spiral pipe production line, peroxides, cross-linked polyethylene, pipe production lines, two-pipe extrusion production line, plastic board material production line, plastic foam picture frame-type material production line, SJYF plastic profile extrusion production lines, blow molding Blow Molding Machines, Single Screw eager, cold-cut granulator unit, with the parallel twin-screw extruder, SJSZ conical twin-screw plastic extruder, SJ single screw extruder, SRL-Z series mixing unit, SHR series high speed mixer, auxiliary products sold nationwide and exported to Southeast Asia more than 10 countries and regions.

主要有PPR、ABS、PEX管材生产线、PVC、HDPE燃气管生产线、大口径中空壁缠绕管生产线、硅芯管生产线、、钢塑复合、医用管、尼龙管生产线、PVC芯层发泡管、内螺旋管生产线、邮电通讯多孔管生产线、双壁波纹管、螺旋管生产线、过氧化物、交联聚乙烯、管材生产线、双管挤出生产线、塑料板材生产线、塑料发泡镜框型材生产线、SJYF塑料挤出异型材生产线、吹塑中空成型机、单螺杆热切、冷切造粒机组、同向平行双螺杆挤出机、SJSZ锥形双螺杆塑料挤出机、SJ单螺杆挤出机、SRL-Z系列混合机组、SHR系列高速混合机、辅机系列产品畅销全国并出口东南亚等十多个国家和地区。

His female bullfighter Lydia gradually Health love, but she was in a vegetative state after the Bulls Zhuangcheng away from her, just because Lydia's ex-boyfriend showed more affectionate than he is like love.

他对女斗牛士莉迪亚渐生爱意，却在她被公牛撞成植物人后离她而去，仅仅因为莉迪亚的前男友表现出好似比他更深情的爱。

I know of none which are not easy to answer, but what I am trying to do now is only by a series of hints to throw some light on the narrow path of legal doctrine, and upon two pitfalls which, as it seems to me, lie perilously near to it.

我不认为有什么难以回答的问题，但我现在要做的仅仅是通过一系列线索，来给法律理论的狭窄路径以及在我看来离它近得危险的两个陷阱提供一些启示。